Minis Forum X1-255 AMD Ryzen 7 H255 miniPC, barebone
Minis Forum X1-255 is a high-performance PC that is suitable for both office work and more demanding tasks. Equipped with a powerful AMD Ryzen™ 7 processor and a variety of connectors, it allows you to freely customize your configuration. Thanks to its compact dimensions (128 x 126.5 x 52.5 mm), it will fit virtually anywhere - on a desk, behind a monitor or in a workspace with limited space.
Powerful AMD Zen 4-series processor
At the heart of the device is an 8-core and 16-thread AMD Ryzen™ 7 255 processor, based on the Zen 4 architecture. A base clock speed of 3.8 GHz with the ability to accelerate to 4.9 GHz ensures smooth operation in office applications, browsers, and even lighter 3D modeling or video editing.
Built-in AMD Radeon™ 780M graphics
The integrated AMD Radeon™ 780M graphics chip allows for smooth high-definition multimedia and even simple graphics processing. It's a reasonable choice for users who don't need a dedicated graphics card, but still expect smooth image handling.
Flexible memory and disk configuration
The X1-255 supports up to 64 GB of DDR5 memory clocked at 5600 MT/s for fast application loading and seamless multitasking. Two M.2 NVMe SSD (PCIe 4.0) slots support the installation of drives up to 4TB each, allowing you to build ultra-fast and high-capacity storage without external solutions.
Efficient cooling and quiet operation
A turbo fan with a speed of up to 4,000 rpm and a variable-phase material is responsible for cooling. This system effectively maintains a low temperature even under full load, while remaining quiet - in Silent mode it generates just 38 dB.
Reliable connectivity
The MiniPC offers a wide selection of ports, including USB4, HDMI 2.1 FRL, DisplayPort, OCuLink, as well as a 2.5G LAN connector. This makes it easy to connect a 4K/8K monitor, high-speed external drive or other accessories. The computer also supports Wi-Fi 7 and Bluetooth 5.4 for stable wireless connectivity.
With convenience and installation in mind
The unit comes with a standard VESA mounting hole for easy installation on the back of a monitor, for example. You'll also find a power button, a Kensington Lock slot for theft protection and a dedicated reset hole.
Included
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mini PC
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power adapter
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power cable
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HDMI cable
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mounting screws x4
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M.2 to OCulink adapter card
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mini PC stand
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user manual
General information
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Manufacturer
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Minis Forum
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Series
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Elite Mini
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Model
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X1-255
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Operating System
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Windows 11 Pro support
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Dimensions
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128 × 126 × 52.5 mm (L × W × H)
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Weight
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0.6 kg
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Processor (CPU)
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Processor model
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AMD Ryzen™ 7 255
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Number of cores
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8 (Zen 4 architecture)
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Number of threads
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16
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Base clocking
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3.8 GHz
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Maximum clocking (Turbo)
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4.9 GHz
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TDP (Performance mode)
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Fast: 65W / Slow: 65W
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TDP (Balance mode)
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Fast: 65W / Slow: 54W
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TDP (Silent mode)
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Fast: 55W / Slow: 45W
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Graphics chip (GPU)
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Integrated graphics
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AMD Radeon™ 780M
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Memory (RAM)
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Memory type
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DDR5 (SO-DIMM ×2)
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Configurations (optional)
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0 / 32 / 64 GB
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Maximum bandwidth
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5600 MT/s
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Maximum capacity
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64 GB
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Storage
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Drive type
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2 × M.2 2280 NVMe SSD (up to 4 TB per slot, PCIe 4.0 x4)
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Disk (optional)
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0 / 1 TB
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Cooling system
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Cooling material
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Variable-phase material
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CPU fan
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Turbo fan 7515 mm
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Max fan speed
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4000 rpm
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Noise level (performance mode)
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45 dB / at a distance of 50 cm (MINISFORUM lab data)
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Noise level (Balance mode)
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40 dB / 50 cm
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Noise level (Silent mode)
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38 dB / 50 cm
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Wireless and wired connectivity
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Module
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M.2 2230 with Wi-Fi and Bluetooth
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Wi-Fi
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Wi-Fi 7
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Bluetooth
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5.4
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Ethernet connector
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2.5 Gigabit LAN (RJ45)
Module: RTL8125BG-CG
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Video outputs
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HDMI
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1 × (up to 8K @ 60Hz / 4K @ 120Hz)
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DisplayPort (DP)
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1 × (up to 8K @ 60Hz / 4K @ 120Hz)
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USB4
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2 × (up to 8K @ 60Hz / 4K @ 120Hz)
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Audio outputs / inputs
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Audio outputs
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HDMI ×1
DP ×1
3.5mm combo jack ×1
Speakers: 2 × (2W each)
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Audio inputs
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Digital microphone (DMIC): 2 ×
3.5mm combo jack: 1 ×
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Ports
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On the front
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1 × USB4 (PD power supply up to 15W)
2 × USB Type A (USB 3.2 Gen2)
2 × DMIC microphones
1 × Combo jack 3.5mm
1 × Reset hole
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Rear
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1 × HDMI 2.1 FRL
1 × DP 2.0
1 × USB4 (PD power supply up to 100W & 15W)
1 × RJ45 (2.5 Gigabit LAN)
1 × OCuLink (via M.2 to OCuLink adapter)
1 × USB Type A (USB 2.0)
1 × DC-In
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Other
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Power button
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1 ×
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Kensington slot
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1 × (right side)
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Reset hole
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1 ×
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VESA mounting
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Yes
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Power supply
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19V / 6.32A (120W)
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Dimensions of the plug
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5525 mm
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