JSAUX HB0603 6-in-1 Steam Deck Dock Review — A budget third-party alternative outshines the official flagship in build and price, but comes with a few rough edges

⚡ TL;DR
The JSAUX dock offers a premium aluminum build and all the essential ports for nearly half the price of Valve's official dock. It accommodates skins and slim cases much better thanks to a wider cradle. However, buyers should avoid the expensive M.2 version due to Linux setup hass
✓ Verdict: Buy
What people are saying
Sources disclosed below
Pros
- +Significantly cheaper than the official Valve dock
- +Sturdy aluminum alloy construction feels premium
- +Wider cradle accommodates Steam Decks with skins or slim cases
- +Excellent port selection including Gigabit Ethernet, HDMI, and 3x USB 3.0
- +Tailor-made 90-degree USB-C connector fits the Deck perfectly
Cons
- −Chunkier and bulkier footprint than the official Valve dock
- −Power regulator issues make it unsafe for non-Steam Deck devices like the Ayaneo
- −Side-mounted Ethernet port on certain models is visually unappealing and impractical
- −The upgraded M.2 storage version is a tremendous hassle to configure via Linux
Marcus Chen
Published April 30, 2026
$39–$49
Price may vary. Updated regularly.
This $50 metal Steam Deck dock beats Valve's official plastic one, but it might fry your other handhelds. It’s a classic case of third-party ingenuity outperforming the first-party standard, provided you don't mind a few sharp edges in the user experience.
What you're actually getting
When you pull the JSAUX HB0603 out of the box, the first thing you’ll notice is the weight. Unlike the lightweight, somewhat hollow-feeling plastic official dock from Valve, this thing is built like a tank. It’s constructed from aluminum alloy, giving it a premium, grounded feel on your desk that doesn't slide around when you’re plugging in a controller. As Retro Game Corps noted, "This thing feels a lot chunkier and more sturdy than the plastic one," and they aren't kidding.
The port selection is the real star here. You get three USB 3.0 ports, a Gigabit Ethernet port, and HDMI output, all for a price that usually hovers around $40 to $50. It’s a no-brainer for anyone who feels like they’re being gouged by the official accessory pricing. The 90-degree USB-C connector is also a highlight; it’s perfectly angled to sit flush against the top of the Steam Deck, preventing that awkward cable strain you get with generic hubs.
However, don't let the "universal" look fool you. This dock is a Steam Deck specialist, not a generalist. While it handles the Deck with grace, it has some questionable power regulation quirks. If you’re thinking about plugging in an Ayaneo or another Windows-based handheld, think twice. There have been reports of power delivery issues that make it a risky proposition for anything other than the device it was explicitly designed for. It’s a dedicated tool, not a Swiss Army knife.
Performance — what reviewers actually measured
| Metric | Value | Context |
|---|---|---|
| Price | $40-$60 | Standard version |
| Video Output | 4K at 60Hz | Solid for TV play |
| Ethernet | 1 Gigabit | Wired stability |
| Power Delivery | 100W | Overkill for Deck |
Where it actually wins
The biggest win here is the cradle design. Valve’s official dock is notoriously tight, making it a nightmare if you have even a thin skin or a slim protective case on your Deck. JSAUX clearly listened to the community; the cradle is wider and more forgiving. It’s the kind of quality-of-life improvement that makes you wonder why the official manufacturer didn't think of it first.
Beyond the fit, the build quality is genuinely impressive for the price. It feels like a piece of hardware that belongs on a serious gaming setup rather than a cheap plastic dongle. The stability is excellent, and the port placement is generally logical, keeping your cables managed and your desk looking clean. If you want a dock that feels like it’s worth the money the moment you touch it, this is it.
Where it falls short
The "chunkiness" that makes it feel sturdy also makes it a bit of a footprint hog. It takes up more real estate on your desk than the official dock, which might be a dealbreaker if you’re working with a cramped workspace. Then there’s the aesthetic choice on some models, where the Ethernet port is mounted on the side. As Retro Game Corps put it, "It looks like a 90s tattoo, like something you'd find on Pamela Anderson." It’s an eyesore that makes cable management a headache.
The most egregious failure, however, is the M.2 storage version. JSAUX tried to innovate by adding an SSD slot, but the execution is a disaster. Setting it up requires diving into the Linux backend of the Steam Deck, and it’s a nightmare for the average user. CNET was blunt in their assessment: "It is frankly a tremendous hassle, I would not recommend it." If you need more storage, just buy a bigger microSD card and save yourself the headache.
Should you buy it?
Buy if you
- Want a premium, heavy-duty aluminum dock that won't slide around your desk.
- Use a skin or a slim protective case on your Steam Deck and need a dock that actually fits it.
- Are looking for a budget-friendly alternative that doesn't sacrifice port functionality.
Skip if you
- Own other handhelds like the Ayaneo and want a dock that works safely across your entire collection.
- Are considering the M.2 version for "easy" storage expansion—it is anything but easy.
- Have a tiny desk and need the smallest footprint possible.
An excellent, sturdy, and budget-friendly alternative to the official dock, provided you stick to the standard version.
Sources consulted
- Retro Game Corps — Which Is The Best Steam Deck Dock? Valve vs JSAUX vs iVoler Review
- Retro Game Corps — Review: JSAUX Steam Deck Dock
- Baldly Rudy — I tried all these Steam Deck Docks...
- CNET — Steam Deck Docks: Valve vs. Jsaux
Synthesis combines independent reviews above. Verdicts and quotes attributed to original creators. Affiliate disclosure: we may earn a commission from qualifying purchases via Amazon links.
Products covered in this review
Frequently Asked Questions
Is the JSAUX HB0603 6-in-1 Steam Deck Dock worth buying?
The JSAUX dock offers a premium aluminum build and all the essential ports for nearly half the price of Valve's official dock. It accommodates skins and slim cases much better thanks to a wider cradle. However, buyers should avoid the expensive M.2 version due to Linux setup hassles, and strictly use it only with the Steam Deck to avoid dangerous power regulation issues with ot
Who is the JSAUX HB0603 6-in-1 Steam Deck Dock best for?
Budget-conscious Steam Deck owners who want a sturdy metal dock and use protective skins or slim cases.
Who should skip it?
Owners of other handhelds like the Ayaneo, or those looking for easy plug-and-play expandable storage.