MINISFORUM UM690L Slim Mini PC, AMD Ryzen 9 6900HX Mini Computer (8C/16T, up to 4.9 GHz), 32 GB LPDDR5 and 512GB PCIe 4.0 SSD, DP/HDMI 2.1/USB 4, 4 x USB Type-A, WiFi 6E/BT 5.3
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Size: UM690L Slim-32+512GB
Features
- Powerful CPU PerformanceThe UM690L Slim Mini Computer is equipped with an AMD Ryzen 9 6900HX processor with 8 cores and 16 threads (Zen 3+ architecture, maximum core frequency 4.9 GHz, 16 MB L3 cache), offering excellent multitasking capabilities and high performance. Whether complex computing tasks or intensive gaming, it handles them with ease.
- High-performance graphics cardEquipped with an integrated AMD Radeon 680M graphics card, which supports high-resolution image output and a high refresh rate. With HDMI 2.1, DP 1.4, and USB 4 interfaces, it supports the simultaneous connection of three 4K monitors to meet business and entertainment needs.
- LPDDR5 & PCIe 4.0 SSDEquipped with 32 GB LPDDR5 (6400 MHz) and two M.2 2280 PCIe 4.0 SSD slots, supporting up to 4 TB of storage capacity, it offers fast read and ultra-fast write speeds to ensure smooth operation. and fast system response
- Multiple Interfaces and Fast NetworkingUM690L slim mini computer has multiple interfaces, including 2xUSB 3.2 Gen2 Type-A, 2xUSB 2.0, 1xUSB4 port (supports Alt PD), 1xHDMI, 1xDisplayPort, 1xAudio. Clear CMOS interface and button. 2.5G WLAN wired network port, equipped with Wi-Fi 6E/BT5.3 wireless network card, providing stable network connection and fast transmission speed.nection and fast transmission speed.
- Efficient Heat Dissipation SystemAn active heat dissipation system using phase change materials and equipped with a CPU heat sink + active memory and hard drive heat sinks, ensuring stable and efficient operation even under high load. The system operates at less than 35 decibels, keeping your equipment cool and quiet, whether you're working or playing.
Brand: MINISFORUM
Operating System: OS
CPU Model: Ryzen 9
CPU Speed: 4.9 GHz
Graphics Card Description: Integrated
Memory Storage Capacity: 32 GB
Specific Uses For Product: Business
Ram Memory Installed Size: 32 GB
Model Name: UM690L Slim
CPU Manufacturer: AMD
Operating System: OS
Specific Uses For Product: Business
Hard Disk Description: SSD
Hard Disk Interface: Serial ATA-600
Memory Storage Capacity: 32 GB
RAM Memory Installed: 32 GB
RAM Memory Technology: LPDDR5
Ram Memory Maximum Size: 96 GB
Graphics Description: Integrated
Graphics Ram Type: GDDR5
Graphics Card Interface: PCI Express
Human-Interface Input: Buttons
Brand: MINISFORUM
Model Number: UM690L Slim
Model Name: UM690L Slim
Processor Brand: AMD
CPU Model Number: AMD Ryzen 9 6900HX
Warranty Description: 2
Manufacturer: Micro Computer (HK) Tech Limited
Processor Series: Ryzen 9
Processor Speed: 4.9 GHz
Processor Socket: Socket F
Frequently asked questions
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: UM690L Slim-32GB/1TB
Fast and responsive for its size—handles multitasking and demanding apps with ease. Compact, quiet, and packed with modern ports, making it a great desktop replacement.
Reviewed in the United States on January 23, 2026 by sundowner
Size: UM760 Slim-16GB/1TB
What can I say??? I have two cheaper n100 and nuc gmk mini pcs. I researched this heavily and saw great ratings. Aside from some aggravating sound issues with retro Linux which I had to go into windows reset sound back factory odd yes... The pc kicks butt! It's very fast and graphics have no equal in my eyes. Price is cheap and compares to many older pcs costing 600 or so. I like my retro stuff and this pc plays them all!!!! It has excited me for first time in last 10 years for even powerfull unit so very pleased with this so far!
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Reviewed in the United States on April 17, 2025 by robert b.
Size: UM870 Slim-Barebone
I have both 870 Slim and 890 Pro versions, they are both very fast and quiet with some minor issues. The main differences that makes the Pro version slightly better are (1) It is slightly faster, maybe 3% or so (2) has an NPU, but it is practically useless (3) Pro version has two ethernet ports instead of one (4) It has an oculink port, which uses the PCI port so, you can only install one NVme HD if you use the oculink port. These differences do not matter for most users. Overall I am very happy with both of them. They are both small, efficient, they don't get hot or make any fan noise. They can be directly powered from USB4 port, with some decrease in max clock speed. But there are some annoying issues, mostly minor things: (1) The wifi cards are not supported properly. The slim version had a wifi card which was not recognized by linux. The pro version had a slightly better wifi card, but was still an obscure brand. The issue is not the speed here, making them recognized by the OS. I replaced them both with more common models, it is about $20-30 to replace each. (2) The windows key was invalid in the Pro version. The Slim version was barebones it did not come with any OS. (3) The Slim version has screws at a very inconvenient location. You have to remove bottom pads glued to the box. Without the pads the vent will touch the surface and will not work well. It is not a good design. The Pro version is much better, but it has two cables attached to the lid on opposite sides, and it is not east to detach and attach them. If they were on the same side, the lid could be opened without detaching of them. (4) I tried installing 96GB RAM but it caused some glitch with the GPU driver. I tested the RAM and it was not faulty. 64GB or 32 GB RAM both work fine. (5) I don't like the bios, it is too rudimentary with very few options. Despite these issues, I like them a lot. This generation of AMD mobile chips (8945, 8745, etc) are really great. I also have a Mac mini pro (M2) and their performances are similar. Mac has a better GPU but the AMD is faster for most of other tasks.
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Reviewed in the United States on February 3, 2025 by EA
Size: UM760 Slim-16GB/1TB
This is crazy! At this price, this little mini PC supports RAID 0 (and RAID 1) NVMe Gen4 with two M.2 slots that already have thermal tape and heatsink attached to the rear panel! The UM760 Slim comes stock with a mid-range Gen4 NVMe M.2 (the second M.2 is empty). It runs at a little over 4500MBPs (see photo). After opening it (must remove the rubber feet first to expose the screws at the bottom. Be careful removing the bottom panel as a cable attaches a cooling fan and can be easily broken off during removal! Once opened we installed two Fanxiang 2TB NVMe Gen4 NVME SSDs, Enabled RAID in the BIOS, rebooted back into the BIOS to the RAID options and created our RAID 0 array. Then we installed Win11 24H2 from scratch (it defaults to installing PRO since the product key for Windows is embedded in the BIOS)! You must download the drivers from Minisforum, however, the RAID drivers for Windows installation are missing, but you can download them direct from AMDs website for this chipset. Once the install of Win11 Pro was done, we got over 14,000MBPs on sequential reads and over 12,000MBPs on sequential writes! This is insane and overkill for a Ryzen 5, but I can't believe how well this worked on such a budget-friendly mid-range mini PC. This mini PC is super quiet and has a 2.5GBe LAN port. You will need to provide the LAN drivers, either downloading from MinisForum driver page, or use a USB to ethernet adapter (sold here on Amazon) to get you online if you don't have a spare PC to download the drivers and you did not download the drivers to a USB flash drive before your re-install. Overall, this may not be the best mini PC money can buy, but it's definitely the best mini PC you can buy for the money in late 2024! Highly recommended!!! Great value! Dual channel RAM, WiFi 6E and Bluetooth v5.3... What else could you want without spending a lot more?
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Reviewed in the United States on October 16, 2024 by Carey Holzman Carey Holzman
Size: UM750L Slim-16/1TB
I use this little beast as a home server (24/7) with 4 VMs, media storage and files in general. Its pretty fast, even with the 4 VMs and random media access within the private network. A think it is very effective, cosidering other much more expensive NAS devices available.
Reviewed in the United States on December 23, 2025 by Rod Dur
Size: UM760 Slim-32GB/1TB
Great small computer Great price and works well too. Got it quickly. Replacing my old windows 10 desktop. Would definitely recommend it
Reviewed in the United States on December 31, 2025 by Don1956
Size: UM760 Slim-16GB/1TB
It worked great for 6 weeks then no No blue light, nothing. This was after the Amazon return policy period so I sent an email to Minis Support. They contacted me via email and ask me to follow some simple trouble shooting steps. I did and replied via email. Support would reply every night to my responses. They then gave me a local address to mail my unit to. I did, and after they received it they send me a new one with package tracking. It is working and new. I am very pleased with the profession and timely responses I received. Customers should not worry about support during the warranty period. A+ to Lydia in Support.
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Reviewed in the United States on May 18, 2025 by MyReviewJohn
Size: UM750L Slim-32GB/1TB
Item came clearly used, with outside stickers cut and cords attempted to be re-wrapped, but obviously not from factory. PC was completely bricked and DOA. Wouldn't power on, no BIOS error messages / tones that I could get produced. Had to return :(
Reviewed in the United States on January 31, 2026 by Jeremy H