Key takeaways
- Actual HDMI input: require HDMI or mini-HDMI on the exact SKU. A USB-C-only display has no direct Xbox video route; buying a passive USB-C lead will not turn HDMI output into USB-C DisplayPort Alt Mode.
- Power budget: keep Xbox on its normal AC mains. Use an approved monitor USB-C power source; verify supplied adapter wattage, plug type and whether screen brightness drops on insufficient power.
- Desired video mode: treat 1080p/60 as the safe baseline, and 120Hz as a model/HDMI-cable/EDID/game-dependent feature. Panel max refresh is not a console compatibility certificate.
- Screen shape and audio: 16:9 native 1080p/1440p/4K is straightforward. Some 16:10 screens may scale or letterbox 16:9 console output. Tiny monitor speakers are not a substitute for a headset in a shared room.
- Physical and commercial details: check screen stand stability, carrying protection, cable exit direction, local shipping ZIP, returns, and whether final checkout matches the public USD price. A seller “In stock” label can change immediately.
The best Xbox portable monitor setups start with one rule: Xbox Series X and Series S send their picture over HDMI, while a slim portable display commonly needs a second cable and separate USB-C power source. For the easiest US travel purchase, a 15–17-inch 1080p screen with a real HDMI or mini-HDMI input is more useful than a USB-C-only 240Hz display. We checked seven precisely identified monitor models and US storefront stock/price signals on October 29, 2026. This guide shows three complete wiring plans, which monitors deserve consideration, why a 144Hz/180Hz label is not proof of Xbox 120Hz, and what must be checked before checkout.
Quick verdict: choose a complete setup, not just a screen
Best straightforward budget setup: ARZOPA A1 15.6-inch 1080p/60Hz at a public US maker price of $79.99, with In Stock and Add to cart displayed. Use Xbox HDMI output to the monitor mini-HDMI input, and power the display from its recommended USB-C power adapter. It is an inexpensive, predictable 1080p/60Hz travel choice, not a 120-fps monitor.

Best value high-refresh candidate: ARZOPA Z1FC 16.1-inch 1080p/144Hz. The product page opened for research showed $129.99 and In Stock, but a US collection view displayed $109.99. Treat that as a live seller-price conflict, not a guaranteed discount. The manufacturer specifies a mini-HDMI input, yet its HDMI port specification differs from an independently reviewed Z1FC variant; 120Hz via Xbox HDMI is not verified for every production variant. Test the actual console/monitor handshake during the return period.
Best sharper 16:9 gaming candidate: ARZOPA Z3FC 16.1-inch 2560×1440/180Hz, shown at $169.99 on the opened product page and In Stock, versus $139.99 on a different US collection view. Native 1440p is an appealing console pixel grid, but the screen’s 180Hz figure is a panel maximum, not an Xbox output promise. Verify a working 1440p or 1080p signal and the 120Hz option over mini-HDMI before keeping it.
Best larger-screen 60Hz travel desk: ARZOPA Z1C PLUS 17.3-inch 1080p/60Hz at $119.99 with an In Stock label on the opened maker page. The larger screen helps when the console sits on a hotel desk and you play at arm’s length. Best 4K/60 premium visual option: ViewSonic VX1655-4K-OLED at $499.99 and In Stock on the ViewSonic US store; its OLED pixels make sense for dark-room, cinematic play, not competitive 120Hz chasing.
Who should skip: buyers who only have a USB-C-only monitor with no direct HDMI input, anyone expecting an Xbox console to be powered from a monitor’s USB-C port, and gamers who need a guaranteed 4K/120Hz portable configuration without a documented HDMI 2.1 120Hz pathway. An Xbox Series X remains a mains-powered console; a thin battery pack designed for a monitor does not run the console.
Seven exact portable monitor models compared: US snapshot
| Exact monitor model | Manufacturer panel rating | Xbox video / power path | US seller | Observed USD price (Oct 29) | Stock status (Oct 29) | Important limitation |
|---|---|---|---|---|---|---|
| ARZOPA A1 (15.6-inch) | 1080p / 60Hz | Mini-HDMI + USB-C power | ARZOPA US | $79.99 | In stock / Add to cart | Budget 1080p/60; no 120Hz claim |
| ARZOPA Z1FC (16.1-inch) | 1080p / 144Hz panel | Mini-HDMI + 2 USB-C | ARZOPA US | $129.99 page; $109.99 collection | In stock / Add to cart | Xbox 120Hz through HDMI unverified; HDMI spec conflict |
| ARZOPA Z3FC (16.1-inch) | 1440p / 180Hz panel | Mini-HDMI + 2 USB-C | ARZOPA US | $169.99 page; $139.99 collection | In stock / Add to cart | 180Hz is not Xbox output; test HDMI mode |
| ARZOPA Z1C PLUS (17.3-inch) | 1080p / 60Hz | Mini-HDMI + USB-C power | ARZOPA US | $119.99 | In stock / Add to cart | Large for bag; 60Hz only |
| ViewSonic VX1655-4K (15.6-inch) | 4K UHD / 60Hz LED | Mini-HDMI + USB-C | ViewSonic US | $439.99 | In stock / Add to cart | 4K/60 only; not 120Hz |
| ViewSonic VX1655-4K-OLED (15.6-inch) | 4K UHD / 60Hz OLED | Mini-HDMI + USB-C | ViewSonic US | $499.99 | In stock / Add to cart | Premium price and OLED care; no 120Hz |
| ASUS ZenScreen MB16AHG (15.6-inch) | 1080p / 144Hz panel | Mini-HDMI + USB-C | Walmart US | $224.99 | Out of stock (Walmart) | Not a buy-now pick; also unavailable at Best Buy |
Snapshot: US public seller pages checked October 29, 2026; stock/checkout totals depend on destination and changes.
Prices are observed public product-page values, not checked-out totals or verified event discounts. The two ARZOPA price conflicts are intentionally shown as separate page-versus-collection displays: do not calculate a discount from either price or assert which amount will be charged. Stock means a publicly visible “In Stock” or “Add to cart” label, not a completed order to a specific US ZIP code. Shipping, tax, selected color, inventory and return conditions can change. ASUS is retained only as a technical comparison; its Walmart page said Out of stock and Best Buy said unavailable in new condition.
A monitor advertised as “144Hz,” “180Hz,” FreeSync, or HDR10 can still present only a lower refresh or unsupported HDR mode to an Xbox. Maximum panel capabilities, bandwidth of the actual HDMI connector, EDID handshaking and the game’s fps mode are different facts. We have not independently measured Xbox output or input lag on any of these seven samples. Manufacturer specifications are not equivalent to Geek Gaming Tricks bench tests.
Three wiring plans that actually suit a traveling Xbox
Setup A: 1080p/60Hz hotel or dorm desk — lowest-risk starting point
Place an Xbox Series S or Series X on a ventilated, stable desk with its normal AC cable. Run the console’s HDMI OUT → HDMI-to-mini-HDMI cable → monitor mini-HDMI. Connect the monitor’s USB-C power input to a USB power adapter that meets its manual’s power requirement. The ARZOPA A1 and larger Z1C PLUS use this straightforward arrangement. Use a controller headset for private sound if the tiny monitor speakers are inadequate. Start at 1080p and 60Hz; no HDMI-to-USB-C converter is needed when the screen already provides mini-HDMI.
Pack: console power cable, a correctly pinned HDMI-to-mini-HDMI cable of suitable length, monitor USB-C power cable/adapter, controller, monitor stand or cover, and a padded sleeve. Do not confuse the monitor’s USB-C power socket with the Xbox video output. Some monitors share USB-C power/video roles; check the exact marked port in the manual rather than trial-and-error with a high-draw power source. Leave the console’s exhaust unobstructed.
Setup B: potential 1080p or 1440p 120Hz — test before you commit
Choose a high-refresh candidate with a real HDMI input: Z1FC is the lower-resolution screen, Z3FC is the 1440p panel. Connect HDMI directly, supply separate monitor power and open Xbox button → Profile & system → Settings → General → TV & display options. Set a conservative resolution first, then examine Refresh rate. If 120Hz is offered, select it and confirm the picture stays stable. Also inspect the display’s reported signal mode and test a game that offers 120fps. If the option is absent, try 1080p rather than claiming the monitor is defective. No 120Hz mode means the configuration remains a perfectly usable 60Hz setup, not a promised 120Hz purchase.
Here, Xbox can output up to 120Hz in appropriate conditions, but neither a 144Hz nor 180Hz panel rating guarantees 120Hz over that screen’s HDMI path. The Arzopa Z1FC US page lists mini-HDMI 2.0, whereas an independently reviewed Z1FC variant was listed with mini-HDMI 1.4. We cannot resolve that SKU/variant-specific inconsistency remotely, and therefore do not use an HDMI version claim as proof of a 120Hz Xbox result. For Z3FC, the maker calls mini-HDMI 2.0 and FreeSync; actual HDMI VRR and Xbox 120Hz were not independently demonstrated in this research.
Setup C: Xbox Series X 4K/60Hz for detail and contrast
Choose the ViewSonic VX1655-4K for straightforward 4K/60Hz LED or VX1655-4K-OLED for stronger pixel-level contrast. The manufacturer lists both at 3840×2160, 60Hz and mini-HDMI plus USB-C. Run HDMI from Series X to mini-HDMI, with the monitor receiving its own approved power. In Xbox TV & display options, confirm the display actually reports 4K as supported. This setup values fine detail and cinematic imagery; neither model is a 120Hz screen. Xbox Series S can output content to a 4K display, but the visual benefit from a 15.6-inch premium panel depends on source content, seating distance and the game’s internal resolution.
Do not buy a 4K/60 portable OLED solely because a listing mentions HDR. Real HDR impact depends on supported input signaling and display capabilities, and not every HDMI device exposes the same HDR options to Xbox. If the console’s 4K details or the display input does not verify the desired feature, use SDR and a supported mode rather than repeatedly forcing unsupported formats. When traveling with OLED, avoid prolonged static high-brightness HUDs and follow the manufacturer’s panel-care guidance.
How we selected: connection first, measured performance last
Each selected product has a named monitor SKU or model, its maker’s published native resolution and refresh rate, and an actual HDMI or mini-HDMI path. We checked direct US manufacturer store availability/price where possible, separately recording conflicting page and collection prices. The ASUS listing illustrates why a good technical match is not automatically a buy-now option. We excluded USB-C-only screens and non-US-import-only listings that did not solve a straightforward Xbox-HDMI purchase. The lineup deliberately spans 1080p/60, high-refresh candidates, larger 17.3-inch screens and two 4K/60 alternatives.
This is an evidence-based buying guide, not an original lab comparison. No signal-generator checks, pixel-response sweeps, measured lag figures, or long-term burn-in tests were conducted by Geek Gaming Tricks. We did not assume an advertised 1ms or 3ms response rate reflects true end-to-end console latency. More refresh headroom is not always useful: Xbox peaks at 120Hz output in supported games, and much software runs at 30 or 60fps. An expensive 4K panel can be excellent for sharpness but poor value for a traveler whose priority is a compact 120Hz esports display.
ARZOPA A1 — best inexpensive 1080p/60Hz kit
The ARZOPA A1 is a 15.6-inch IPS monitor at 1920×1080 and 60Hz, with a built-in adjustable stand and maker-listed mini-HDMI plus USB-C. The US store showed $79.99, In Stock and Add to cart. A 16:9 1080p signal is familiar territory for Xbox Series S, and Series X can scale output down if you are prioritizing convenient packing over UHD. This is the pick to recommend to someone who wants a small playable Xbox display, not a demonstration of 120Hz.
Buy if: budget and cable simplicity matter more than high refresh. Skip if: a 120fps game is your purchase goal, you need a brighter premium display, or you frequently share one screen with friends at a long viewing distance. The maker states 250 nits, which signals a modest indoor-use brightness category; this is not an independently measured outdoor-visibility rating. Use a supported USB power adapter and make sure the included cable package matches your console.
ARZOPA Z1FC — value high-refresh panel, conditional Xbox 120Hz
The ARZOPA Z1FC pairs a 16.1-inch 1920×1080 IPS panel with a maker-rated 144Hz refresh rate, built-in stand, two USB-C connections and mini-HDMI. The opened US maker product page showed $129.99, In Stock and Add to cart; a separate US product collection showed $109.99. The conflict is recorded and neither amount is a verified checkout total. For an Xbox buyer, the potential advantage is a portable display that may negotiate 120Hz, subject to its exact HDMI/EDID behavior.
An independent PCWorld Z1FC review found no Adaptive Sync support and described the reviewed unit’s mini-HDMI as 1.4, while the opened US maker product-spec table lists mini-HDMI 2.0 and “FreeSync: No.” We follow the maker for current SKU-labeled specifications but do not declare 120Hz via HDMI verified when versions disagree. This is not a best-overall unconditional recommendation: choose it only if the seller’s return policy allows you to test your exact console refresh mode. If 120Hz is absent, enjoy 1080p/60Hz or return it within the permitted terms.
ARZOPA Z3FC — sharper 1440p candidate with extra PC headroom
The ARZOPA Z3FC uses a 16.1-inch, 16:9, 2560×1440 IPS panel with a published 180Hz maximum, USB-C inputs and mini-HDMI. The maker also lists FreeSync and 400-nit rated brightness. The opened US product page showed $169.99 and In Stock; the company collection simultaneously displayed $139.99 for Z3FC. We do not choose a fictitious single “live price” from these competing storefront surfaces. Xbox reaches at most 120Hz, and 180Hz is useful primarily with a capable PC, not as an Xbox promise.
The 16:9 1440p panel is a less awkward match than a 16:10 2560×1600 travel screen if the Xbox recognizes 1440p. The real purchase check is whether 1440p/60Hz, 1080p/120Hz or 1440p/120Hz is actually exposed over HDMI with your console; the latter two were not validated end-to-end here. If you split time between laptop gaming and Xbox and want a sharper portable panel, Z3FC is a sensible short-list candidate. If Xbox-only 120Hz is essential, get confirmation specific to the HDMI port or buy with a clear return option.
ARZOPA Z1C PLUS — larger 17.3-inch shared viewing
The ARZOPA Z1C PLUS offers a 17.3-inch 1920×1080 IPS screen at 60Hz with mini-HDMI and separate USB-C monitor power. ARZOPA US displayed $119.99, In Stock and Add to cart. The larger diagonal allows a slightly less cramped hotel desk or shared portable-game session without requiring an external TV. It is still one single display signal: split-screen players do not get two individual video feeds or independent resolutions.
This panel takes more bag space than the 15.6-inch A1 and does not give you 120Hz. Consider it when you normally sit farther back, play accessible menu-heavy games or want a second screen for laptop work. Skip it when packing space is more important than diagonal size. It does not remove the need for AC mains to run the Xbox or a separate monitor power source.
ViewSonic VX1655-4K — 4K/60 LED travel picture
The ViewSonic VX1655-4K is an exact 15.6-inch 3840×2160 60Hz LED portable monitor. ViewSonic US showed $439.99 and In stock with Add to Cart. A built-in stand, tripod provision, protective cover, mini-HDMI and USB-C ports make it a carefully designed 4K travel display. The manufacturer’s 60W USB-C capability describes compatible laptop/device power arrangements; it does not mean the monitor will power an Xbox console, or that Series X needs to feed video through USB-C.
Consider this for a Series X traveler prioritizing text legibility, high-resolution content and a compact 4K panel. Skip it for 120fps competitive play: a fixed 60Hz monitor cannot display 120 distinct updates each second. Also compare the premium price with a larger conventional 4K TV or desktop monitor if portability is infrequent. Before paying, verify your actual Series X 4K TV details and the final seller return/shipping terms.
ViewSonic VX1655-4K-OLED — premium 4K cinematic screen
The ViewSonic VX1655-4K-OLED keeps the 15.6-inch 3840×2160 60Hz target but uses an OLED panel, potentially delivering deep blacks and high subjective contrast in a dim room. ViewSonic US displayed $499.99 with an In stock label and Add to Cart. The manufacturer lists mini-HDMI, USB-C, compact construction and a fold-out stand; it is physically suitable for an HDMI-fed console at an officially supported resolution and refresh mode.
Choose for: cinematic single-player travel use, compact dark-room viewing, and people willing to pay significantly more for OLED characteristics. Avoid for: those who need 120Hz, would leave bright fixed HUD elements on the panel for very long periods, or have a strict low-budget travel kit. Price and OLED-related long-term wear must be weighed against the small viewing area. “OLED 4K” is not a claim that Xbox HDR format or Dolby Vision will be automatically accepted by its particular HDMI input.
ASUS ZenScreen MB16AHG — good specification, no verified buy-now stock
The ASUS ZenScreen MB16AHG has a 15.6-inch 1920×1080 IPS panel rated to 144Hz with dual USB-C, mini-HDMI, adaptive sync and a tripod socket, according to the exact US ASUS specification sheet. This is relevant for a more adjustable tabletop or tripod-based Xbox layout. However, the Walmart US listing showed $224.99 but Out of stock, and Best Buy called it unavailable in new condition. Those are not purchase opportunities, so MB16AHG is not a top buy-now pick. Its specifications remain useful as a comparison checklist.
If stock returns, examine the actual HDMI output mode before considering its 144Hz label as proof of Xbox 120Hz, and remember that the ASUS technical sheet says no integrated speakers. Use the controller’s headset or another supported audio route. Do not buy a discontinued marketplace listing based only on a page still showing old manufacturer details. This section is for a possible future refresh, not an invitation to pay an inflated reseller amount.
Buying checklist: five checks before the cart
- Actual HDMI input: require HDMI or mini-HDMI on the exact SKU. A USB-C-only display has no direct Xbox video route; buying a passive USB-C lead will not turn HDMI output into USB-C DisplayPort Alt Mode.
- Power budget: keep Xbox on its normal AC mains. Use an approved monitor USB-C power source; verify supplied adapter wattage, plug type and whether screen brightness drops on insufficient power.
- Desired video mode: treat 1080p/60 as the safe baseline, and 120Hz as a model/HDMI-cable/EDID/game-dependent feature. Panel max refresh is not a console compatibility certificate.
- Screen shape and audio: 16:9 native 1080p/1440p/4K is straightforward. Some 16:10 screens may scale or letterbox 16:9 console output. Tiny monitor speakers are not a substitute for a headset in a shared room.
- Physical and commercial details: check screen stand stability, carrying protection, cable exit direction, local shipping ZIP, returns, and whether final checkout matches the public USD price. A seller “In stock” label can change immediately.
Connect an Xbox Series X|S and verify the real display mode
- Unplug and position safely. Set the console on a flat, ventilated surface near a compatible AC outlet. Stand the monitor securely with no stress on its tiny HDMI socket. Avoid pinching the HDMI cable behind a hotel TV unit.
- Plug in video. Connect the Xbox HDMI output to the monitor’s HDMI or mini-HDMI input using a correctly wired HDMI-to-mini-HDMI cable if needed. Do not use the Xbox USB-A socket as a video-out port.
- Power the monitor separately. Use the supplied or maker-approved USB-C power adapter and cable. Turn on the display and select HDMI input via the monitor’s own controls if it does not auto-detect the console.
- Set a reliable baseline. Press the Xbox button. Go to Profile & system → Settings → General → TV & display options. Select 1080p resolution and 60Hz first if there is no stable signal; do not force a format the monitor does not report.
- Check supported modes. From TV & display options, use 4K TV details (where shown) for the console’s detected capabilities, and inspect Refresh rate. If 120Hz appears, select it, confirm the picture, and test a game that has a specific 120fps graphics mode. If it is absent, stay at 60Hz or lower resolution; do not treat a PC-spec 144Hz logo as evidence of a defect.
- Verify picture and sound. Read small menu text, try a darker scene, check for black screens/flicker, and test audio through the monitor speakers or a headset connected through the controller. If unstable, reseat cables and return to the previously working refresh rate; avoid unverified firmware changes.
- Repack safely. Power down Xbox and screen, let devices cool, remove HDMI from the narrow connector without bending, put the monitor in a protective sleeve, and keep the console’s power supply/cable separate from the display glass.
The menu route is supported by Epic Games’ official Xbox Series X|S 120fps guidance and ViewSonic’s monitor setup instructions, checked October 29, 2026. The selected game must support 120fps and may require a performance setting. If options move in a future console software release, use the system’s Settings search and official support material rather than guessing hidden menu labels. A 120Hz menu selection is a video output setting; it does not guarantee a locked 120fps game.
Troubleshooting the five most common travel-display problems
Black screen after connecting HDMI
Confirm that the display has separate power, the correct mini-HDMI input is selected and the cable matches the connector. Start with a known-good HDMI cable and a supported 1080p/60 signal. A USB-C charging cable plugged between Xbox and monitor cannot carry the console’s HDMI video. If the monitor powers on but reports “No Signal,” reconnect directly with no splitter/capture device in the path and use the working TV to reset unsupported Xbox output settings if necessary.
The Xbox says 60Hz although the portable panel says 144Hz
Check the monitor’s HDMI input mode—not its USB-C/PC maximum—then the Xbox Refresh rate list. A 144Hz display may expose 120Hz to Windows over USB-C but not to Xbox over HDMI. Retry at 1080p instead of 1440p and use manufacturer-supported cables. If 120Hz remains absent, write it down as not verified for your console/port pairing. A different port revision or firmware may matter, but neither is proven here.
The monitor powers off or dims during gaming
Portable screens frequently require their own stable USB-C supply. A weak USB port or underspecified phone charger may cause dimming or restarts. Compare the monitor’s specified power draw and use an approved adapter that meets it. Do not borrow power from unknown hotel TV USB ports as a guarantee. Xbox requires normal mains power regardless of the display arrangement.
The picture has bars or looks softer than expected
Make sure 16:9 output is selected and the monitor is not stretching a 16:9 signal incorrectly. A 16:10 portable screen can create letterboxing or scaling. 1080p displayed on a 4K panel must be scaled; a higher-resolution panel does not turn a 1080p game into native 4K assets. Check Xbox resolution and the game’s own graphics/performance mode separately.
No sound from the display
Some portable monitors have very small speakers; others, like ASUS MB16AHG, have none. HDMI can carry audio, but monitor support and volume controls matter. Check the display’s audio capability and Xbox sound output settings. For predictable privacy and communications, connect a compatible wired headset to the controller rather than assuming every travel display has speakers.
FAQ: portable Xbox displays
Can Xbox Series X or S connect to a USB-C portable monitor with one cable?
Not directly when the monitor is USB-C video only. Xbox sends its picture through HDMI, and USB-C input on the screen may expect DisplayPort Alt Mode from a laptop or phone. Use a screen with actual HDMI/mini-HDMI and independently power it. Avoid assuming a passive HDMI-to-USB-C cable works as a video converter.
Will a 144Hz or 180Hz portable screen get 120fps on Xbox?
Maybe, but only if the display accepts 120Hz through its HDMI input at the selected resolution and the game supports that frame-rate mode. Xbox outputs no more than 120Hz in compatible scenarios. Manufacturer panel maximums and PC USB-C performance do not prove an Xbox HDMI handshake.
What is the best travel resolution for Series S?
1080p is a straightforward portable choice, and 1440p can be attractive when supported. An expensive 4K/60 panel is not required for an enjoyable compact Series S setup. Check the exact monitor’s ability to accept the console’s desired signal and avoid paying for pixels that do not change how you actually use the system.
Can I power Xbox Series X with the monitor battery?
No. The console uses its own AC mains supply. A built-in monitor battery or USB-C power bank may run a compatible display, but it does not replace the power source for an Xbox Series X or Series S. Plan for safe outlet access and ventilation.
Is 4K OLED worth it for Xbox in a hotel?
It can be for someone who values OLED contrast, 4K clarity and compact packing more than price or high-refresh play. ViewSonic VX1655-4K-OLED is a 4K/60Hz panel, so it is a cinematic/visual-quality purchase, not a 120Hz competitive option. Always check actual HDMI/HDR modes and the seller return terms.
Do I need an HDMI 2.1 portable monitor?
For true Xbox Series X 4K/120 output, a suitable high-bandwidth HDMI 2.1 display pathway is important. For 1080p/60 or many 1080p/120 and 1440p/120 scenarios, HDMI 2.0 hardware may be sufficient—but exact port timing and EDID still decide compatibility. Do not treat “mini-HDMI 2.0” alone as a complete guarantee or a universal specification across product revisions.
Final thoughts: the next practical buying decision
If you need an inexpensive, reliable travel desk, start with the ARZOPA A1 1080p/60 and a separate screen power adapter. If you truly prioritize possible Xbox 120Hz, compare Z1FC and Z3FC but insist on a return path and plan to verify the menu’s refresh options on your own console and selected HDMI input. If you care about 4K film-like detail more than competitive refresh, choose between ViewSonic’s VX1655-4K LED and VX1655-4K-OLED based on budget and OLED preferences. Your immediate next step is to confirm an HDMI video input, suitable separate power, seller availability to your US ZIP code and the exact output mode you will test within the return window. Do not pay a 120Hz premium for a specification that has only been demonstrated over a laptop USB-C connection.