M258-01
The ACC-M258-01B office mini tower case combines simplicity, functionality, and space efficiency. Designed for reliable everyday computing, it offers a clean, professional look with a durable steel structure and essential airflow support—ideal for business, education, or home office environments.
Feature Overview
- Supports Micro-ATX / Mini-ITX motherboards.
- GPU clearance: up to 240 mm.
- CPU cooler clearance: up to 140 mm.
- Air cooling: rear 1 × 80 mm fan.
- PSU: ATX, top-mounted.
- Case size: 270 x 165 x 345mm
Downloads
The cooling and hardware layout shown in the product photos is for reference only. Please check the website’s product specifications for the actual configuration.

Compact Excellence, Powerful Potential.

Smart Design, Confident Performance
The M258-01 offers smart airflow paths, flexible component clearance, and a clean internal layout that delivers dependable performance in a compact footprint.

Versatile Compatibility
Supports Micro-ATX and Mini-ITX motherboards while maintaining an efficient internal layout for easy system building.
Minimalist Design
Featuring a clean, minimalist front panel with modern contours, the M258-01 delivers a professional and elegant look that complements any workspace or setup.


Accessible I/O Panel
Equipped with USB port and HD Audio & Mic ports, providing convenient connectivity at your fingertips.
