Tuesday, July 22nd 2025

AMD Ryzen AI MAX "Strix Halo" APUs Arrive on Mini-ITX Boards with 128 GB LPDDR5X

Chinese ODM Sixunited has introduced its STHT1 Thin Mini-ITX board, bringing AMD's Strix Halo "Ryzen AI MAX" APUs to the PC enthusiast market for the first time. Previously available only in high-end laptops and compact PCs, these Zen 5-based SoCs feature up to 16 CPU cores, an enhanced RDNA 3.5 Radeon 8060S GPU with up to 40 CU, and an integrated AI engine. Sixunited's non-socketed design allows builders to select any Ryzen AI MAX model: from the six-core, 16-thread 380 to the top-tier 16-core, 32-thread 395+ SKU, each supporting a configurable TDP range between 45 and 120 watts. To fully leverage this performance, the STHT1 ships with 128 GB of LPDDR5X-8000 memory soldered directly onto the board. This unified memory pool feeds the CPU, GPU, and AI engine, ensuring sufficient bandwidth for tasks such as LLM inference and real-time rendering in a compact footprint.

The STHT1 MoDT (Mobile on Desktop) platform offers plenty of connectivity and storage options. Dual M.2 2280 PCIe 4.0 x4 slots accommodate high-speed NVMe drives, while an M.2 2230 socket supports Wi-Fi modules. The rear panel features HDMI 2.1, a user-selectable DisplayPort, VGA, or COM output, two USB 3.2 Gen 2 Type-A ports, additional USB 3.2 Gen 1 and USB 2.0 ports, Gigabit Ethernet, and audio jacks. Internally, a robust 16-phase voltage regulator module powers the SoC, alongside a 4+1-phase arrangement for auxiliary components. Supporting the board are two fan headers, a standard four-pin ATX power connector, and a 19-volt DC-in plug, all housed on a 170×170 mm PCB.
Sources: ITHome, Sixunited
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18 Comments on AMD Ryzen AI MAX "Strix Halo" APUs Arrive on Mini-ITX Boards with 128 GB LPDDR5X

#1
Timbaloo
So sick of hearing all the announcements of Strix Halo but the actual availability? Halo product indeed…
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#2
HisDivineOrder
Just looks like this part is a prototype that's being sold in small numbers as if it's retail and its real use is as an advertisement for way better products in the future like perhaps an Xbox branded PC instead of a new console.
Posted on Reply
#3
Raiju
This could have been really nice for gaming but with those 128 GB of LPDDR5 it will be overpriced with marketing towards AI and such.
I think 48GB of shared memory on system like these would be the perfect sweetspot to have good performance without taking a loan.
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#4
Apocalypsee
TimbalooSo sick of hearing all the announcements of Strix Halo but the actual availability? Halo product indeed…
Most likely OEM like ASUS got a large batch of them for their own laptops and mini PC.
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#5
zeljans
Paper launch.

For example Thermalright Strix Halo, announced 3 months ago, does anyone have it.

Where to actually buy any of Strix Halo, not in 6 months, now, this week.
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#6
Xajel
TimbalooSo sick of hearing all the announcements of Strix Halo but the actual availability? Halo product indeed…
Strix Halo is a premium product at this time, AMD thought about that and also made an exclusive deal with ASUS and HP to be the sole Halo laptop makers for X months (we don't know, there's some leaks about a Chinese laptop but no official thing).

I think this was the main reason Halo became Halo (the exclusive deal), PS AMD didn't want a Halo based mini-PC at first, but the design leaks and announced mini-PC products are over 10 now and counting compared to two laptops only.

One of the things that makes Halo more expensive and OEM's trying to avoid for mainstream products is that it requires a completely new laptop platform, motherboard and cooling design, and maybe even a chassis. So some OEMs are seeing the market demand now to justify working on one or not, and working on a new design takes time.

Being the first generation is always a gamble for both AMD and OEMs, so you'll see more with time, and hopefully the next generation (Zen6 based Halo) will probably be more popular and maybe cheaper as well on average.
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#7
Bruno Vieira
TimbalooSo sick of hearing all the announcements of Strix Halo but the actual availability? Halo product indeed…
Gmktec has been shipping systems since May, while Asus and HP have been shipping since April. I received mine in May. Framework has not shipped yet, but there are multiple others incoming. It seems like AMD underestimated the demand for these chips. They should flood the market in Q4 with ramped-up production and hopefully cheaper chips.
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#8
Tek-Check
TimbalooSo sick of hearing all the announcements of Strix Halo but the actual availability? Halo product indeed…
Framework ships in August. GmkTek is shipping now. You can literally order it now online.
RaijuThis could have been really nice for gaming but with those 128 GB of LPDDR5 it will be overpriced with marketing towards AI and such.
I think 48GB of shared memory on system like these would be the perfect sweetspot to have good performance without taking a loan.
There are options with 32GB and 64GB.
zeljansWhere to actually buy any of Strix Halo, not in 6 months, now, this week
From Framework and GmkTek.
Posted on Reply
#9
watzupken
Given limited allocation to produce chips on TSMC, it’s no surprise that the supply is very limited. I would think AMD is also prioritising their Instinct AI GPUs and data center CPUs as these are high margin products. Rest of the product stack will be “second class”, including the Strix Halo.
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#10
user556
The premium pricing would suggest low volume expectations for the MAXs. If they are selling that well then it's fair to say AMD will be on the hop right now then.
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#11
R0H1T
watzupkenRest of the product stack will be “second class”, including the Strix Halo.
Among desktops/notebooks this should be at least a top 3 (high) margin product IMO, the only reason why I see volumes still relatively low is probably because they never anticipated it'd do so well & hence didn't allocate too much capacity for it.
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#12
igormp
Bummer how those never come with a price tag.

So far it seems like the Framework option is the cheapest model announced.
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#13
GodisanAtheist
Strix Halo always felt like the perfect use case for HBM in consumer workloads. Tons of bandwidth, small footprint, all on one packaging. Performance would have been right up there were a 6700XT.

AMD could have sold a whole package: CPU/GPU/VRAM. Make it BGA or hell even socketed (couldn't use AM5 though) and it would be a nice modular package that could draw in all the usual motherboard AIBs.

Instead we have all these one off hard to find low volume designs that make for nice press releases and not much else.
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#14
kondamin
watzupkenGiven limited allocation to produce chips on TSMC, it’s no surprise that the supply is very limited. I would think AMD is also prioritising their Instinct AI GPUs and data center CPUs as these are high margin products. Rest of the product stack will be “second class”, including the Strix Halo.
Strix is 4nm the current gen of AI cards is at 3nm, So they shouldn't be competing with one and other for capacity at TSMC.
AMD probably seriously misjudged demand for the product
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#15
Cheeseball
Not a Potato
TimbalooSo sick of hearing all the announcements of Strix Halo but the actual availability? Halo product indeed…
Not sure where you live, but it is available in a bunch of mini PCs now here in the US.



I've also owned a 2025 Flow Z13 with 64GB of RAM for about 3 months now, albeit I did have to wait a bit for it to launch on Best Buy US.

On-topic:

This STHT1 MoDT board is a disappointment as it lacks two USB4 connectors which is natively supported by the APU itself. It should not take up any extra PCI-E lanes because of this.
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#18
MiguelJMPereira
I Find the Ryzen Strix Halo 385 with 8 CPU cores and 32 GPU cores (3050S) could more interesting if its considerable cheaper then the 395+ thats avaiable. Wonder why you cant yet see it anywhere.
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