Minisforum MS-A2 6400
Minisforum

MS-A2 6400

CPU r9 9955HX
GPU 6400
Max RAM 96GB
Drives 3
From $900
Seller Minisforum

The Minisforum MS-A2 6400 is a mini PC powered by the AMD r9 9955HX (Zen 5 gen). It features 16 performance cores and 32 threads and a soldered CPU. Graphics are handled by the discrete AMD 6400. Supports up to 96GB of RAM across 2 slots at 5600 MT/s. Storage capacity of up to 3 drives including 3 NVMe. Connectivity includes HDMI 2.1, DisplayPort 1.4. Networking features 4 Ethernet ports (up to 10G). Dimensions: 196 × 189 × 48mm (1.78L).

CPU & Performance

CPUr9 9955HX
GenerationZen 5
P-Cores16
Threads32
Single-core93
Multi-core73
Socket0

GPU

GPU6400
Discrete GPUYes
Integrated GPUYes
eGPU supportNo

RAM

Max RAM96GB
RAM slots2
Max speed5600 MT/s
ECC supportNo

Storage

Max drives3
NVMe slots3
Gen4 x43
SD cardNo

Ports & Connectivity

HDMI 2.12
DP 1.41
Max displays5

Network

Max Ethernet4G
10G ports2
2.5G ports2
vProN

Physical

Dimensions196 × 189 × 48 mm
Volume1.78L
Fan size80mm
Warranty2 yr

Power

Pricing

Minimum$1,480
Barebone est.$900
64GB / 1TB$1,480

Additional

Recommended for gaming, GPU-accelerated creative work, 3D or graphics-heavy tasks, memory-heavy workloads, network-focused setups, and local storage expansion. Consider Minisforum MS-A2 6400 if you want a small-form-factor mini PC built around its listed AMD r9 9955HX processor and AMD 6400 discrete GPU plus integrated graphics. It is a stronger fit when the listed CPU, GPU, connectivity, and expansion features match your workload requirements.

Minisforum MS-A2 6400 features AMD r9 9955HX with AMD 6400 discrete GPU plus integrated graphics, offering 2× 10G Ethernet and 2× 2.5G Ethernet, HDMI 2.1 and DisplayPort, and expanded internal storage. CPU details include Zen 5 CPU generation, 16 performance cores, and 32 threads. Memory support includes up to 96GB RAM across 2 slots at 5600 MT/s. Storage support includes up to 3 storage drives including 3 NVMe SSD slots and 3× PCIe Gen4 x4 NVMe. Display support includes support for up to 5 displays. Port connectivity includes 2× HDMI 2.1, 1× DisplayPort 1.4, and 1× PCIe x16 expansion slot. Networking includes 2× 10G Ethernet and 2× 2.5G Ethernet. Physical design includes a 196 × 189 × 48 mm chassis (1.78L). Cooling information lists 80 mm main fan. Lifecycle information lists 2-year warranty and release date listed as 15-Jun-2025.

Based on its overall score of 407.3, Minisforum MS-A2 6400 is positioned as a top-tier ranked mini PC entry in this dataset; compare it against alternatives by CPU class, GPU type, memory ceiling, storage expansion, LAN, and port selection.

Verdict

Best for

compact gaming, GPU-accelerated creative work, heavy multitasking, VM-heavy workflows, larger multitasking setups.

Avoid if

you want a silent, ultra-low-power office box; you need a high-speed external-GPU or advanced docking path.

Alternatives
  • Minisforum UM880 Plus — better value at comparable performance
  • Lenovo P3 Ultra 13900 A5500 — higher performance ceiling
  • GMKtec/Morefine Nucbox K11 4090M — adds OCuLink for external GPU expansion

Review

The Minisforum MS-A2 6400 is a compact mini PC built around AMD r9 9955HX and AMD 6400 discrete graphics. With a listed price around $900, it is aimed at buyers looking for compact gaming, GPU-accelerated creative work, heavy multitasking, VM-heavy workflows, larger multitasking setups. The core spec sheet is solid for its class: up to 96GB RAM across 2 slots at 5600 MT/s, up to 3 drives, including 3 NVMe slots (3 PCIe 4.0 x4 NVMe), 2×10GbE + 2×2.5GbE, and 2 HDMI 2.1, 1 DisplayPort. In this dataset, its 407.3 overall score places it among the more capable mini PCs, especially for buyers who care about a balanced mix of performance, expansion, and connectivity. The listed release date is 15-Jun-2025. The main reason to pause is fit: avoid it if you want a silent, ultra-low-power office box; you need a high-speed external-GPU or advanced docking path. Overall, the Minisforum MS-A2 6400 makes the most sense when its CPU/GPU balance, port selection, and expansion profile match your workload; otherwise, compare it against similarly priced mini PCs with better networking, quieter cooling, or stronger upgrade paths.

Review Summary

ServeTheHome reviewed the Minisforum MS-A2 as a strong AMD Ryzen-based homelab and compact workstation system with server-friendly networking and a chassis concept related to the MS-01. Review takeaway: it is a capable compact platform for virtualization, storage, and lab workloads when the configuration matches the workload.

Notes

Mar 12 2025: PCIe 4.0X16 slot is limited to x8 bandwidth

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