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
- mini PC
- power adapter
- power cable
- HDMI cable
- mounting screws x4
- M.2 to OCulink adapter card
- mini PC stand
- user manual
General information
| Manufacturer | Minis Forum |
|---|---|
| Series | Elite Mini |
| Model | X1-255 |
| Operating System | Windows 11 Pro support |
| Dimensions | 128 × 126 × 52.5 mm (L × W × H) |
| Weight | 0.6 kg |
Processor (CPU)
| Processor model | AMD Ryzen™ 7 255 |
|---|---|
| Number of cores | 8 (Zen 4 architecture) |
| Number of threads | 16 |
| Base clocking | 3.8 GHz |
| Maximum clocking (Turbo) | 4.9 GHz |
| TDP (Performance mode) | Fast: 65W / Slow: 65W |
| TDP (Balance mode) | Fast: 65W / Slow: 54W |
| TDP (Silent mode) | Fast: 55W / Slow: 45W |
Graphics chip (GPU)
| Integrated graphics | AMD Radeon™ 780M |
|---|
Memory (RAM)
| Memory type | DDR5 (SO-DIMM ×2) |
|---|---|
| Configurations (optional) | 0 / 32 / 64 GB |
| Maximum bandwidth | 5600 MT/s |
| Maximum capacity | 64 GB |
Storage
| Drive type | 2 × M.2 2280 NVMe SSD (up to 4 TB per slot, PCIe 4.0 x4) |
|---|---|
| Disk (optional) | 0 / 1 TB |
Cooling system
| Cooling material | Variable-phase material |
|---|---|
| CPU fan | Turbo fan 7515 mm |
| Max fan speed | 4000 rpm |
| Noise level (performance mode) | 45 dB / at a distance of 50 cm (MINISFORUM lab data) |
| Noise level (Balance mode) | 40 dB / 50 cm |
| Noise level (Silent mode) | 38 dB / 50 cm |
Wireless and wired connectivity
| Module | M.2 2230 with Wi-Fi and Bluetooth |
|---|---|
| Wi-Fi | Wi-Fi 7 |
| Bluetooth | 5.4 |
| Ethernet connector | 2.5 Gigabit LAN (RJ45) Module: RTL8125BG-CG |
Video outputs
| HDMI | 1 × (up to 8K @ 60Hz / 4K @ 120Hz) |
|---|---|
| DisplayPort (DP) | 1 × (up to 8K @ 60Hz / 4K @ 120Hz) |
| USB4 | 2 × (up to 8K @ 60Hz / 4K @ 120Hz) |
Audio outputs / inputs
| Audio outputs | HDMI ×1 DP ×1 3.5mm combo jack ×1 Speakers: 2 × (2W each) |
|---|---|
| Audio inputs | Digital microphone (DMIC): 2 × 3.5mm combo jack: 1 × |
Ports
| On the front | 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 |
|---|---|
| Rear | 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 |
Other
| Power button | 1 × |
|---|---|
| Kensington slot | 1 × (right side) |
| Reset hole | 1 × |
| VESA mounting | Yes |
| Power supply | 19V / 6.32A (120W) |
| Dimensions of the plug | 5525 mm |
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