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【Condition】
Please check the product description and photos for the condition.
Some items may have not been tested or may show signs of use.
【Included Items】
Accessories are limited to those shown or mentioned in the product description.
Items such as manuals, boxes, or cables are not included unless specifically stated.
【Product Specifications and Firmware】
Some Japanese domestic models may have limited functionality overseas.
Please check compatibility before purchase.
【Voltage Compatibility】
Our products are selected to support international voltage ranges (e.g. 100–240V).
However, please make sure your local voltage is compatible before use, as incorrect voltage may still cause malfunction.
【Plug Type】
Our products use Japanese plug types (A or B type).
Please use a conversion adapter if necessary.
【Important Note on Transformers and Adapters】
A transformer adjusts voltage to match your device’s requirements.
A conversion adapter only changes the plug shape and does not adjust voltage.
Using only a conversion adapter without a transformer may result in damage to the product.
【Liability】
We are not responsible for malfunctions or damages caused by improper use, such as operating the product without appropriate voltage or equipment.
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*Barebone Kit | No Memory | No SSD | No OS Caution! This UM870 Slim (0+0) Mini PC is a barebone kit. It ships without memory, SSD, or OS. Please be sure to install memory and SSD before use. The PC will not boot properly without memory and SSD installed.
[Excellent Performance] The MINISFORUM UM870 Slim Mini PC is equipped with an AMD Ryzen 7 8745H CPU based on the Zen 3 architecture, boasting 8 cores and 16 threads with a maximum core frequency of 4.9 GHz. It also features an AMD Radeon 780M GPU based on the RDNA 3 architecture and a 4nm manufacturing process. It's designed for home use, everyday office use, and light gaming.
[High Expandability] Equipped with DDR5-5600 (SO-DIMM x 2 | Max 48GB x 2) memory slots + 2xM.2 2280 NVME SSD slots (Max 4TB) (PCIe4.0 x 4) storage slots. Easily customize your storage without worrying about running out of space. The memory supports DDR5, greatly expanding bandwidth. The ultra-fast PCIe4.0 SSD allows the OS to run faster. It's stress-free and easy to store data, movies, digital camera photos, and more. *Barebone kit | No memory | No SSD | No OS. The PC cannot boot without the memory and SSD installed.
Efficient Cooling System: The innovative cooling system with PCM cooling material provides enhanced cooling performance and active cooling for DDR/SSD. Its active cooling reduces temperatures by 25% compared to passive radiators, allowing you to easily handle 100% load.
[Outstanding Connectivity] Supports both wireless and wired connections. It features M.2 2230 Wi-Fi, Bluetooth 5.2, and Wi-Fi 6E high-speed transmission, and a 2.5Gbps LAN port. Compared to traditional gigabit networks, the measured read and write speeds are approximately 120MB/s. 2.5Gbps LAN delivers 2.5x faster read and write speeds. Whether watching videos or gaming, you'll never be stuck again. Multiple devices can transmit data simultaneously, effectively reducing latency and improving efficiency.
[Triple Display Output] Equipped with one HDMI 2.1 (4K@120Hz/8K@60Hz), one DP1.4 (4K@120Hz), and one USB4 (4K@120Hz/8K@60Hz) output terminal, it can output to three displays independently at the same time. It provides a larger, wider field of view, improving work efficiency and meeting various needs for office work, entertainment media playback, and gaming simultaneously. [USB4] Equipped with four USB ports, with a maximum speed of 40Gbps. Supports 15W PD power supply, allowing you to transmit video and power with a single cable.
[Comprehensive I/O Interface] RJ45 2.5Gbps x1, USB 3.2 Gen2 Type-A x2, USB2.0 x2, Clear CMOS, Audio Jack, USB4 x1, HDMI x1, DP x1, DC 19V x1
Note: Before updating Windows, you must update the AMD driver first. If you want to install a Linux system, you will need to change the Wi-Fi card with the Linux driver, such as the Intel AX200.
MINISFORUM UM870 Slim Mini PC with AMD Ryzen 7 8745HS DDR5-5600MHz RAM, PCIE 4.0 SSD, Radeon 780M Graphics, HDMI 2.1 | DP 1.4 | USB 4, 4K@60Hz Triple Display Output, 2.5Gbps LAN, Wi-Fi 6E, and BT 5.3
CPU Processor: AMD Ryzen 7 8745H
Total cores: 8
Total threads: 16
Frequency: 3.8 GHz
Maximum Turbo Frequency: 4.9 GHz
TDP1 (balanced mode): 54W
TDP2 (Performance mode): 65W
GPU Graphics Card: AMD Radeon 780M
Memory type: DDR5 (SO-DIMM x 2)-5600Mhz
Maximum memory capacity supported: 96GB
Storage Type: 2xM.2 2280 NVME SSD slots (up to 4TB)(PCIe4.0x4)
Wireless Connectivity: M.2 2230 E-Key (MT7902, Wi-Fi 6e, Bluetooth 5.2) (PCIe only)
Video Output:
HDMI2.1 FRL x1 (up to 8K@60Hz/4K@120Hz in non-DSC mode)
DP1.4 x 1 (up to 4K@120Hz 8-bit in non-DSC mode / 4K@240Hz 10-bit in DSC mode)
USB4 x 1
Audio Output:
1 x HDMI
3.5mm combo jack x 1
Audio Input:
3.5mm combo jack x 1
I/O ports:
2.5G(RJ45) x 1
USB Type A (USB3.2 Gen2) x 2
USB Type A (USB2.0) x 2
USB4.0 x 1 (Alt PD)
HDMI2.1 x 1
3.5mm audio jack x 1
Buttons/holes Power button x 1
Reset hole x 1
Power adapter: DC 19V/6.32A 120W
Dimensions: 130*126.5*50.4mm(L*W*H)
Weight: 0.67Kg
