Minisforum

129i7 6400

CPU i9 12900HK

GPU 6400

Max RAM 64GB

Drives 2

From $535

Seller Minisforum

The Minisforum 129i7 6400 is a mini PC powered by the Intel i9 12900HK (12th gen). It features 6 performance cores and 20 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. Networking features 1 Ethernet port (up to 2.5G). Dimensions: 298 × 225 × 95mm (6.37L). Uses a Custom PSU (400W).

CPU & Performance

CPUi9 12900HK

Generation12th

P-Cores6

Threads20

Single-core77

Multi-core41

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

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 129i7 6400 if you want a larger performance-focused mini PC built around its listed Intel i9 12900HK 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 129i7 6400 features Intel i9 12900HK with AMD 6400 discrete GPU plus integrated graphics, offering 1× 2.5G Ethernet and HDMI 2.1. CPU details include 12th CPU generation, 6 performance cores, and 20 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 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.

Based on its overall score of 243.1, Minisforum 129i7 6400 is positioned as a solid midrange mini PC entry in this dataset; compare it against alternatives by CPU class, GPU type, memory ceiling, storage expansion, LAN, and port selection.