MINISFORUM MS-S1 MAX Mini AI Workstation PC, AMD Ryzen AI Max+ 395 (16C/32T),RDNA3.5 GPU,128GB LPDDR5x UMA RAM,Dual M.2 PCIe 4.0, PCIe x16 Slot, USB4 V2(80Gbps)& Dual 10GbE, 320W PSU,Wi-Fi 7
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Features
- High-Performance APUThe MS-S1 MAX features an AMD Ryzen AI Max+ 395 APU, integrating a Zen 5 architecture CPU (up to 5.1GHz, 16C/32T, 64M L3 Cache), an RDNA 3.5 GPU, and an NPU (50 TOPS). The total system output is 126 TOPS. It provides powerful parallel computing capabilities for demanding AI workflows. It is ideal for running local LLMs, multimodal models, and computationally intensive tasks
- 128GB UMA MemoryEquipped with up to 128GB of LPDDR5x-8000MT/s unified memory, it enables the CPU and GPU to access a shared, high-bandwidth memory pool with extremely low latency. Ideal for large-scale AI inference, 3D workloads, and complex timelines in video editing. It eliminates traditional VRAM bottlenecks, ensuring smoother data transfer during high-intensity computations. The UMA design maximizes performance stability under high loads
- Flexible ExpansionThe MS-S1 MAX features USB4 V2 (up to 80Gbps), dual 10GbE LAN, HDMI 2.1 (up to 8K60), a full-length PCIe x16 expansion slot, and dual M.2 slots supporting up to 16TB RAID 0/1. Wi-Fi 7 provides stronger signal coverage and a more stable wireless experience. The slide-out design facilitates upgrades and maintenance. It easily adapts to personal, studio, or rack-mount enterprise environments
- High-Efficiency Cooling SystemUtilizing an aerospace-grade aluminum alloy chassis, copper base plate, six heat pipes, dual turbine fans, and advanced PCM thermal conductive material, it maintains stable cooling performance even under continuous load. This system supports 130W continuous power and 160W peak power operation, with a built-in 320W power supply. It boasts multiple global certifications including CCC, FCC, UL, CE, and UKCA, ensuring stable and reliable operation in various environments
- Cluster DesignTwo MS-S1 MAX units can be configured as a dual-unit cluster to run a large 235B Q4 model locally, achieving an output speed of 10.87 tok/s. Supporting 2U rack deployment, multiple MS-S1 MAX units can be cascaded into a distributed cluster to create a high-efficiency AI computing center. A cluster of four MS-S1 MAX units successfully ran a DeepSeek-R1 671B Q4 large model. A reserved cluster power-on interface allows for unified start-up and shutdown
- Multi-Scenario Workflow DesignBuilt-in dual DMIC AI noise-canceling microphones support mainstream AI models and can clearly capture voice commands. Four switchable modesperformance mode, balanced mode, silent mode, and rack modeflexibly adapt to various application scenarios from personal desktops to enterprise clusters
Brand: MINISFORUM
Operating System: OS
CPU Model: AMD R Series
CPU Speed: 5.1 GHz
Graphics Card Description: Dedicated
Graphics Coprocessor: AMD Radeon (RDNA 3.5)
Memory Storage Capacity: 128 GB
Specific Uses For Product: Business
Personal computer design type: Mini PC
Ram Memory Installed Size: 128 GB
Operating System: OS
Specific Uses For Product: Business
Personal Computer Design Type: Mini PC
Hard Disk Description: SSD
Hardware Interface: Ethernet, HDMI
Item Dimensions: 0.79 x 0.79 x 0.79 inches
Video Output: HDMI
Video Output Interface: HDMI
Hard Disk Interface: PCIE x 4
Memory Storage Capacity: 128 GB
RAM Memory Installed: 128 GB
Ram Memory Maximum Size: 128 GB
Memory Speed: 8000 MT/s
RAM Type: DDR5 RAM
Memory Clock Speed: 8000 MHz
Processor Series: AMD R Series
Processor Speed: 5.1 GHz
Processor Socket: FP11
Processor Count: 16
Total Usb Ports: 1
Total Number of HDMI Ports: 1
Number of Component Outputs: 5
Brand: MINISFORUM
Model Number: AMD Ryzen AI Max+ 395
Model Name: MS-S1 Max
Built-In Media: Keybord , Mouse
Processor Brand: AMD
CPU Model Number: AMD Ryzen Al Max+ 395
Manufacturer: Micro Computer (HK) Tech Limited
Unit Count: 1.0 Count
Graphics Description: Dedicated
Graphics Coprocessor: AMD Radeon (RDNA 3.5)
Graphics Ram Type: GDDR6
Graphics Card Interface: PCI Express
Display Resolution Maximum: 7680 Pixels
Aspect Ratio: 169
Resolution: 7680 x 4320
Native Resolution: 7680 x 4320
Connectivity Technology: Ethernet, HDMI, USB, Wi-Fi
Human-Interface Input: Keyboard, Microphone, Mouse
Keyboard Description: Standard Keyboard
Keyboard Layout: QWERTY
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Top Amazon Reviews
Size: MS-S1 Max-128/2TB
This is an impressive product that came out a little too early for people to fully appreciate. If you're trying to run AI workloads and you bought this a months ago that means that you benefited from massive savings at the cost of needing to wait for ROCM and AMD support to catch up. It's caught up - and now price is skyrocketing. Yes, it runs AI workloads very well 120B nemotron will work on Ubuntu+latest ROCM+lemonade server or llamacpp forked for AMD. The performance is very good for the price. Inference is also "slow" on dgx, but dgx does have better support for AI (obviously). I should have bought more for a cluster. Personally I'm very happy, but I understand why someone would be upset if they got it before AMD and ROCM support caught up.
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Reviewed in the United States on March 26, 2026 by Emily
Size: MS-S1 Max-128/2TB
First you should know I am a huge fan of Minisforum. I own many Minisforum mini PCs because I find them unique, well made and a great value. With that out of the way, when I saw the MS-S1 MAX announced, my jaw about hit the floor! I've never seen a Minisforum mini PC this powerful or expensive. However, when looking at all the specifications, the cost to build my own alternative with similar specs is much more costly. To put it simply, this is the single most powerful computer I have ever owned. It basically does everything from being a powerful workstation to even AAA gaming. The fact it has USB4 v2 on it is icing on the cake. USB4 v2 can move data at 80gbps! Plus there are two addition USB4 ports (not v2). There are also 4 USB I don't yet have any external devices that can take advantage of that, so it's a nice change of pace to get ahead of the technology rather than just keeping up or catching up later. Of course it has USB 3.2 on the front (one) and two more in the back, along with 2 more USB 2 in the back as well! Talk about connectivity options! While it has a single HDMI out, each of the USB4 ports can be used as a Display Port video output, for a total of 5 monitors in use at the same time! All can independently support video resolutions of 8K@60Hz or 4K@120Hz! Imagine getting a car that is fully loaded with every feature and every bit of performance possible. That's what this is in the computer world. two 10Gbe eithernet networking, Wi-Fi 7, a 16 core, 32 thread CPU with 125+ TOPS for AI processing. It comes with 128GB of RAM already installed, along with a 2TB NVMe Gen 4 x 4 NVMe storage drive. There is a spare NVMe slot to add a second storage drive, but it does run a Gen4x1 (just fyi). Did I mention it has a built-in 320 watt power supply? No external bricks or adapters to worry about! And the cooling system is insane. This thing just stays whisper quiet and runs cool regardless of what workloads I throw at it! It has a full-length PCIe4x16 slot for a low profile add-in card option (though it runs at PCIe 4 x4). Windows 11 Pro is pre-installed and activated. Scanned for any spyware or malware and it is 100% clean and bloat-free! Talk about you get what you pay for! This thing is an absolute beast of a computer, let alone a mini PC. Am I happy with it? What do you think? In the words of Ferris Bueller, "If you have the means, I highly recommend picking one up."
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Reviewed in the United States on December 13, 2025 by Carey Holzman
Size: MS-S1 Max-128/2TB
It works. The unified memory does allow for running large models. It is slow as molasses for anything over 70b parameters and I had to install Linux to make the pc properly take advantage of the video card. On paper this looks like an amazing computer, but between the bus speed and the heavily restricted bios, I have greatly regretted buying this computer. I should have saved another $1000 and gotten an Nvidia DGX spark like I initially planned. Every time I use this with my local models it makes me sad.
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Reviewed in the United States on February 14, 2026 by Jamie
Size: MS-S1 Max-128/2TB
Excellent, high-performance mini PC. However, be aware that it requires a wired mouse for the first-time setup; Bluetooth and wireless dongles (like the Logitech MX series) didn't kick in until after I was finished with the install.
Reviewed in the United States on February 7, 2026 by cody
Size: MS-S1 Max-128/2TB
This is a unicorn with the 128gb of unified memory architecture. With this you can easily run 70 billion parameter LLMs. The ports coverage is ahead of its time with 80gb usb-c and 10gb ethernet.
Reviewed in the United States on February 25, 2026 by Patrickometry
Size: MS-S1 Max-128/2TB
I ordered the Minisforum MS-S1 Max through Amazon for $3,039. The shipping box arrived fully sealed with an intact Amazon label, but it was completely empty inside. Just packing paper. No computer. I noticed immediately that the box was far too light for a mini-PC with a 320W internal PSU. I work at the freight forwarding facility where it was delivered, so I can confirm with absolute certainty that no one opened or tampered with the package at any point after delivery. I proceeded to inmediately contact Amazon and Minisforum. Minisforum's after-sales team confirmed in writing that "all machines were shipped to Amazon's warehouse as complete units, not empty." So somewhere between Amazon's FBA warehouse in Kentucky and my delivery address, the product vanished from inside a sealed box. Amazon refused to help because my shipping address is a freight forwarder but it is actually my WORKPLACE!. Minisforum says it's Amazon's responsibility once it's at their warehouse. Neither party has resolved this. I'm out $3,039 with no product and no resolution. Amazon even mention about policies that should not apply to my case and they even sent me a warning for explaining that… incredible. If you're looking for a high-performance mini-PC, I strongly suggest exploring other brands. Corsair, HP, ASUS, Beelink, GMKtec, and GEEKOM all offer competitive options with far more reliable purchase experiences and actual customer support when things go wrong. Under no circumstances would I recommend buying from Minisforum. They are not a company you can trust with a high-value purchase. When something goes wrong, customer service is inadequate and they won't stand behind their product.
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Reviewed in the United States on March 23, 2026 by Cris