Minisforum

790S7 6400

CPU r9 7940HX

GPU 6400

Max RAM 64GB

Drives 2

From $605

Seller Minisforum

The Minisforum 790S7 6400 is a mini PC powered by the AMD r9 7940HX (Zen 4 gen). It features 16 performance cores and 32 threads and a soldered CPU. Graphics are handled by the discrete AMD 6400. Supports up to 64GB of RAM across 2 slots at 5200 MT/s. Storage capacity of up to 2 drives including 2 NVMe. Connectivity includes HDMI 2.1, DisplayPort 1.4. Networking features 1 Ethernet port (up to 2.5G). Dimensions: 298 × 225 × 95mm (6.37L). Uses a Custom PSU (400W).

CPU & Performance

CPUr9 7940HX

GenerationZen 4

P-Cores16

Threads32

Single-core81

Multi-core77

Socket0

GPU

GPU6400

Discrete GPUYes

Integrated GPUYes

eGPU supportNo

RAM

Max RAM64GB

RAM slots2

Max speed5200 MT/s

ECC supportNo

Storage

Max drives2

NVMe slots2

Gen4 x42

SD cardNo

Ports & Connectivity

HDMI 2.12

DP 1.41

Max displays5

Network

Max Ethernet1G

2.5G ports1

vProN

Physical

Dimensions298 × 225 × 95 mm

Volume6.37L

Fan size120mm

Warranty2 yr

Power

PSU typeCustom

PSU400W

Additional

Recommended for gaming, GPU-accelerated creative work, 3D or graphics-heavy tasks, and larger multitasking workloads. Consider Minisforum 790S7 6400 if you want a larger performance-focused mini PC built around its listed AMD r9 7940HX processor and AMD 6400 discrete GPU plus integrated graphics. It is performance-oriented rather than ultra-compact, so it is better suited to users who can accept a larger mini PC chassis.

Minisforum 790S7 6400 features AMD r9 7940HX with AMD 6400 discrete GPU plus integrated graphics, offering 1× 2.5G Ethernet and HDMI 2.1 and DisplayPort. CPU details include Zen 4 CPU generation, 16 performance cores, and 32 threads. Memory support includes up to 64GB RAM across 2 slots at 5200 MT/s. Storage support includes up to 2 storage drives including 2 NVMe SSD slots and 2× 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 1× 2.5G Ethernet. Physical design includes a 298 × 225 × 95 mm chassis (6.37L). Cooling information lists 120 mm main fan and 60 mm secondary fan. Power information lists Custom power supply rated at 400W. Lifecycle information lists 2-year warranty and release date listed as 12-Oct-2024.

The overall score is not populated for Minisforum 790S7 6400, so this model should be evaluated by the listed hardware specifications rather than by a ranked dataset position.

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; you need multiple high-speed LAN ports for router or NAS duty.

Alternatives

Geekom A6 — 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 790S7 6400 is a small-form-factor mini PC built around AMD r9 7940HX and AMD 6400 discrete graphics. With a listed price around $605, 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 64GB RAM across 2 slots at 5200 MT/s, up to 2 drives, including 2 NVMe slots (2 PCIe 4.0 x4 NVMe), 1×2.5GbE, and 2 HDMI 2.1, 1 DisplayPort. Because the overall score is not populated, this model is best evaluated by its listed specifications, price, and feature mix rather than a single rank. The listed release date is 12-Oct-2024. 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; you need multiple high-speed LAN ports for router or NAS duty. Overall, the Minisforum 790S7 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.