JSAUX Steam Deck Dock (4-in-1) – 4K@60Hz, 100W PD, HDMI 2.0, USB 2.0 for Steam Deck OLED, ROG Ally/X, Legion Go and more
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Product description
What it is
The JSAUX Steam Deck Dock is a compact 4-in-1 docking station designed to expand a handheld gaming PC into a desktop-like setup. It provides HDMI 2.0 output up to 4K@60Hz or 2K@120Hz, two USB 2.0 ports, and up to 100W Power Delivery for charging compatible devices. The widened and raised base accommodates devices with protruding grips, enabling a stable connection for a range of handhelds, including Steam Deck (LCD/OLED), ROG Ally/Ally X, Legion Go family, MSI Claw and similar handheld PCs.
Who it’s for

If you want to play on a bigger screen without investing in a full desktop rig, this dock aims at players who value convenience and compatibility across modern Windows and SteamOS handhelds. It’s particularly suited for those who occasionally game on a TV or monitor but still prefer a clean, portable device when they’re on the move.
How it performs on paper
HDMI 2.0 delivers up to 4K@60Hz or 2K@120Hz output, which covers most casual to mid-range living-room gaming scenarios. The two USB 2.0 ports allow a wired controller, keyboard or mouse to plug in, creating a practical handheld-to-station setup without a lot of extra cables. The 100W Power Delivery should be enough to maintain charging for several supported devices, though the maker notes that a 100W charger is recommended to unlock maximum performance across all models listed.



What stands out
On the positive side, the dock’s universal stance across multiple handhelds is convenient if you own more than one compatible device. The inclusion of a raised base helps with stability when devices have grips that protrude, which is common among modern handhelds. The 4K@60Hz option keeps visuals sharp when you’re streaming or playing at home, and the 2K@120Hz mode aims to deliver smoother motion for fast-paced titles.
Possible drawbacks

If you prioritise ultra-high refresh rates or maximum future-proofing, 4K@60Hz and 2K@120Hz may feel modest for some high-end setups. The dock relies on external power delivery for peak performance, so you’ll want to supply a capable charger to realise the full potential. As with many shared-dock solutions, the footprint is larger than a bare cable solution, so consider your space and cable management.
What matters most in use
- Compatibility: broad, covering Steam Deck LCD/OLED, ROG Ally/Ally X, Legion Go/Go 2/Go S, MSI Claw and OneXplayer. If you own multiple handhelds, this could simplify your setup.
- Display flexibility: HDMI 2.0 output supports 4K@60Hz for big-screen play, or 2K@120Hz for smoother motion on compatible displays.
- Power delivery: up to 100W input helps keep the device charged during longer sessions, provided you use a suitable charger.
- Peripherals: two USB 2.0 ports give you basic accessory options without adding mass to the setup.



Who it isn’t ideal for
If your priority is the absolute highest possible frame rates or an ultra-compact dock with minimal footprint, this model may feel like a middle-ground option. It’s also not compatible with Nintendo Switch 2, so if that’s your main device, look elsewhere.
What to check before buying

- Ensure you have a 100W charger to unlock full charging potential across supported devices.
- Confirm your display supports HDMI input and can benefit from 4K@60Hz or 2K@120Hz depending on the game and device.
- Consider space for the dock and how you’ll route cables to a TV or monitor.
Practical use scenarios
Imagine finishing a handheld session on the sofa, then simply docking the unit to a nearby TV via HDMI 2.0, plugging in a wired controller, and continuing your game at a comfortable distance. If you’re between rooms or want a quick desktop-like experience without a dedicated PC, this dock offers a pragmatic middle ground.



Alternatives and how this compares
If you don’t need 4K output or want a quieter, smaller footprint, you might opt for a simpler or cheaper dock. For users chasing the cleanest minimal setup with fewer ports, a basic HDMI-only solution could suffice. For those who already own multiple supported handhelds and want a single charging and display hub, this 4-in-1 dock presents a sensible value proposition.
Decision: Is it worth it?
Buying verdict
It’s worth considering if you prioritise a single, versatile dock that supports a range of current handheld gaming PCs, offers a big-screen output, and provides solid charging capability, all without breaking the bank. If you mainly play on a single device and don’t need 4K at 60Hz or 120Hz, you may find a lighter setup adequate. Keep in mind you’ll get the best value when using a proper 100W charger to realise full performance across supported devices.
Quick FAQ
- Will it work with my Steam Deck OLED? Yes, the dock states compatibility with Steam Deck OLED, among other models.
- Do I need a separate charger? A 100W charger is recommended to maximise performance across all supported devices.
- Can I use it with a Switch or other consoles? The note specifies incompatibility with Nintendo Switch 2.
- Is 4K@60Hz good for gaming? It provides crisp visuals on compatible displays, if you prioritise ultra-smooth motion, 2K@120Hz is available for supported titles.
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