Micro ATX (M-ATX) motherboards stand out in the market for being "smaller than ATX yet more flexible than ITX". But when should you choose one? This optimized guide breaks down their ideal uses, key strengths, and matching tips.

Compared to ATX and ITX, M-ATX excels in three key areas:
Moderate Size & Compatibility: At 24.4cm×24.4cm, it fits most mid-tower and compact cases—smaller than ATX (30.5cm×24.4cm) but larger and more versatile than ITX (17cm×17cm).
Balanced Expandability: Typically offers 2-4 memory slots, 1-2 M.2 ports, 4-6 SATA ports, and 1 PCIe×16 slot (plus occasional extra PCIe slots)—enough for non-extreme builds.
Strong Cost-Effectiveness: 10-20% cheaper than ATX motherboards with the same chipset, while providing better expandability than ITX without a "miniaturization premium".
Perfect for daily tasks with its stable performance, sufficient ports (USB, M.2, SATA), and space-saving design. It costs 50-200 yuan less than equivalent ATX models, freeing up budget for memory or storage.
Handles 1080P gaming (League of Legends, CS2) and 1080P/30-minute video editing easily. Its PCIe 4.0×16 slot supports mid-range GPUs (RTX 4060, RX 7600) without performance loss, and 4 memory slots (up to 64GB) leave room for upgrades.
Fits 30% smaller cases than ATX while avoiding ITX’s limitations. It retains more ports and flexible memory expansion (unlike ITX’s 2 slots) and works with most standard-length GPUs.
Ideal for 3-5 year use with future upgrades. A 3,000-yuan setup (e.g., A620 M-ATX + R5 5600G) works for daily use now and supports later GPU/CPU/memory upgrades without replacing the motherboard.
Adapts to diverse needs: integrated GPUs (e.g., i5-13400) handle basic tasks, a reserved GPU slot adds gaming capability later, and multiple SATA ports support extra storage for family files.
Case: Pick models labeled "Micro ATX compatible" with at least 30cm GPU length support.
CPU: Pair with mid-range or lower CPUs (i5/R5 or below); high-end CPUs may cause power/heat issues.
Ports: Choose 2 M.2 + 4+ SATA ports for multiple drives; more front USB 3.0/3.2 for peripherals; 1-2 PCIe×1 slots for future add-ons.
Skip it for:
Extreme builds (i9/R9 + RTX 4090 need ATX’s power/ cooling)
Ultra-compact setups (ITX suits "palm-sized" cases)
Multi-GPU or PCIe device builds (ATX offers more slots)
Micro ATX is a balanced choice for most non-extreme needs. It blends size, expandability, and cost, fitting home/office use, entry gaming, and small cases. With the right hardware, it delivers a functional, upgrade-ready PC.
• GAMEMAX's all-new design language features a lion's claw front panel and exclusive GAMEMAX ventilation holes on the side panels.
• Exceptional Hardware Support – Compatible with M-ATX motherboards, 420mm GPUs (ready for Nvidia 50 Series), 240mm ATX PSUs, 175mm air coolers, and 360mm radiators for ultimate versatility.
• Powerful cooling performance with front MESH steel mesh and vertical airflow design.
• Comprehensive Cooling Options – Supports up to 12x 120mm fans, including 4 pre-installed 120mm ARGB/PWM fans and an ARGB/PWM controller for optimal airflow and stunning lighting effects.
• Modern I/O Panel – Equipped with a TYPE-C Gen 2 port and USB 3.0 for high-speed connectivity and future-ready functionality.
• Standard adjustable-height graphics card support bracket to protect the GPU.
• Three-sided tempered glass offers a full, unobstructed view of your hardware.
• 90° rotated motherboard layout enhances airflow using the natural Stack Effect.
• Supports vertical GPU installation without a riser cable; compatible with NV50 series.
• Optimized for Back-to-Front (BTF) motherboards for clean, organized cable management.
• Space-efficient design supports 360mm liquid cooling, M-ATX motherboards, and SFX PSUs.
• Includes two ARGB PWM fans for dynamic, synchronized lighting effects.
• Metal nano nameplate adds a premium texture and sleek finish.