Gigabyte

GB-BEr3H-5400

CPU r3 5400U

GPU Vega 6

Max RAM 64GB

Drives 2

The Gigabyte GB-BEr3H-5400 is a mini PC powered by the AMD r3 5400U (Zen 3 gen). It features 4 performance cores and 8 threads and a soldered CPU. Graphics are handled by the integrated AMD Vega 6. Supports up to 64GB of RAM across 2 slots at 3200 MT/s. Storage capacity of up to 2 drives including 1 NVMe, 1× 2.5" SATA. Networking features 1 Ethernet port (up to 2.5G). Dimensions: 139 × 134 × 48mm (0.89L). Uses a Brick PSU (135W), 15W TDP.

CPU & Performance

CPUr3 5400U

GenerationZen 3

P-Cores4

Threads8

Single-core54

Multi-core16

Socket0

GPU

GPUVega 6

Discrete GPUNo

Integrated GPUYes

eGPU supportNo

RAM

Max RAM64GB

RAM slots2

Max speed3200 MT/s

ECC supportNo

Storage

Max drives2

NVMe slots1

Gen3 x41

2.5" SATA1

SD cardNo

Ports & Connectivity

Max displays4

Network

Max Ethernet1G

2.5G ports1

vProN

Physical

Dimensions139 × 134 × 48 mm

Volume0.89L

Fan size80mm

Warranty1 yr

Power

TDP15W

PSU typeBrick

PSU135W

Additional

Recommended for office work, web browsing, media playback, light home or business use, larger multitasking workloads, and very small desk setups. Consider Gigabyte GB-BEr3H-5400 if you want a ultra-compact mini PC built around its listed AMD r3 5400U processor and AMD Vega 6 integrated GPU. It is less suitable for heavy gaming or GPU-accelerated workloads because no discrete or high-speed external GPU path is listed.

Gigabyte GB-BEr3H-5400 features AMD r3 5400U with AMD Vega 6 integrated GPU, offering 1× 2.5G Ethernet. CPU details include Zen 3 CPU generation, 4 performance cores, and 8 threads. Memory support includes up to 64GB RAM across 2 slots at 3200 MT/s. Storage support includes up to 2 storage drives including 1 NVMe SSD slot, 1× PCIe Gen3 x4 NVMe, and 1× 2.5-inch SATA bay. Display support includes support for up to 4 displays. Networking includes 1× 2.5G Ethernet. Physical design includes a 139 × 134 × 48 mm chassis (0.89L). Cooling information lists 80 mm main fan. Power information lists Brick power supply rated at 135W and 15W TDP. Lifecycle information lists 1-year warranty.

The overall score is not populated for Gigabyte GB-BEr3H-5400, so this model should be evaluated by the listed hardware specifications rather than by a ranked dataset position.

Verdict

Best for

basic office work, web browsing, digital signage, larger multitasking setups.

Avoid if

you need modern AAA gaming or sustained GPU rendering; you need a high-speed external-GPU or advanced docking path; you need multiple high-speed LAN ports for router or NAS duty.

Alternatives

GMKtec/Morefine Nucbox K11 4090M — higher performance ceiling
CWWK/Topton 1245U 8x2.5G — stronger wired networking for homelab use
Minisforum UM450 — closest spec alternative

Review

The Gigabyte GB-BEr3H-5400 is a ultra-compact mini PC built around AMD r3 5400U and AMD Vega 6 integrated graphics. With pricing dependent on configuration and seller availability, it is aimed at buyers looking for basic office work, web browsing, digital signage, larger multitasking setups. The core spec sheet is solid for its class: up to 64GB RAM across 2 slots at 3200 MT/s, up to 2 drives, including 1 NVMe slot (1 PCIe 3.0 x4 NVMe, 2.5-inch SATA), 1×2.5GbE, and basic display and USB connectivity. 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 main reason to pause is fit: avoid it if you need modern AAA gaming or sustained GPU rendering; 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 Gigabyte GB-BEr3H-5400 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.