Asrock NUC Box-255H
Asrock

NUC Box-255H

CPU U7 255H
GPU Intel Arc 140T
Max RAM 96GB
Drives 3
From $670
Seller Newegg

The Asrock NUC Box-255H is a mini PC powered by the Intel U7 255H (2nd* gen). It features a soldered CPU. Graphics are handled by the integrated Intel Intel Arc 140T. Supports up to 96GB of RAM across 2 slots at 6400 MT/s. Storage capacity of up to 3 drives including 2 NVMe, 1× 2.5" SATA. Connectivity includes USB4 40Gbps. Networking features 2 Ethernet ports (up to 2.5G). Dimensions: 118 × 110 × 49mm (0.64L). Uses a Brick PSU (120W).

CPU & Performance

CPUU7 255H
Generation2nd*
Threads20
Single-core89
Multi-core42
Socket0

GPU

GPUIntel Arc 140T
Discrete GPUNo
Integrated GPUYes
eGPU supportNo

RAM

Max RAM96GB
RAM slots2
Max speed6400 MT/s
ECC supportNo

Storage

Max drives3
NVMe slots2
Gen4 x42
2.5" SATA1
SD cardNo

Ports & Connectivity

USB4 40Gbps1
Max displays4

Network

Max Ethernet2G
2.5G ports2
vProY

Physical

Dimensions118 × 110 × 49 mm
Volume0.64L
Fan size80mm
Warranty2 yr

Power

PSU typeBrick
PSU120W

Additional

Recommended for productivity, software development, multitasking, media use, light gaming, memory-heavy workloads, and network-focused setups. Consider Asrock NUC Box-255H if you want a ultra-compact mini PC built around its listed Intel U7 255H processor and Intel Intel Arc 140T integrated GPU. It is less suitable for heavy gaming than models with a discrete GPU, but the listed expansion and integrated graphics options make it flexible for everyday workloads.

Asrock NUC Box-255H features Intel U7 255H with Intel Intel Arc 140T integrated GPU, offering 2× 2.5G Ethernet, USB4, and expanded internal storage. CPU details include 2nd* CPU generation and 20 threads. Memory support includes up to 96GB RAM across 2 slots at 6400 MT/s. Storage support includes up to 3 storage drives including 2 NVMe SSD slots, 2× PCIe Gen4 x4 NVMe, and 1× 2.5-inch SATA bay. Display support includes support for up to 4 displays. Port connectivity includes 1× USB4 40Gbps. Networking includes 2× 2.5G Ethernet. Physical design includes a 118 × 110 × 49 mm chassis (0.64L). Cooling information lists 80 mm main fan. Power information lists Brick power supply rated at 120W. Lifecycle information lists 2-year warranty, release date listed as 7-Mar-2025, and Intel vPro support.

Based on its overall score of 346.1, Asrock NUC Box-255H is positioned as a strong upper-range mini PC entry in this dataset; compare it against alternatives by CPU class, GPU type, memory ceiling, storage expansion, LAN, and port selection.

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