Gigabyte GB-BEr3-5400
Gigabyte

GB-BEr3-5400

CPU r3 5400U
GPU Vega 6
Max RAM 64GB
Drives 1
From $685
Seller Ebay

The Gigabyte GB-BEr3-5400 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 1 drive including 1 NVMe. 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 drives1
NVMe slots1
Gen3 x41
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-BEr3-5400 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-BEr3-5400 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 1 storage drive including 1 NVMe SSD slot and 1× PCIe Gen3 x4 NVMe. 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.

Based on its overall score of 182.8, Gigabyte GB-BEr3-5400 is positioned as a mainstream mini PC entry in this dataset; compare it against alternatives by CPU class, GPU type, memory ceiling, storage expansion, LAN, and port selection.

Discover More

Minisforum 129i7 6400
Minisforum

129i7 6400

CPU
Intel i9 12900HK
GPU
AMD 6400
Cores
6P / 20T
RAM
64GB / 2 slots · 5200 MT/s
Storage
2 (2× NVMe)
LAN
1× 2.5G
Size
298×225×95mm · 6.37L
Custom $535
Asrock DeskMeet B660 14500
Asrock

DeskMeet B660 14500

CPU
Intel i5 14500
GPU
Intel Intel UHD 770
Cores
6P / 20T
RAM
128GB / 4 slots · 3200 MT/s
Storage
4 (2× NVMe) · 1×3.5" · 2×2.5"
LAN
1× 1G
Size
219×218×168mm · 8.02L
SFX $620
HP Announced Z2 Mini G1a 395
HP

Announced Z2 Mini G1a 395

CPU
AMD r9 Max+ 395
GPU
AMD 8060S 40CU
Cores
12P / 32T
RAM
128GB · 8533 MT/s
Storage
2 (2× NVMe)
LAN
1× 2.5G
Size
200×168×86mm · 2.89L
Brick
Apple Mac mini M2 16GB 500GB
Apple

Mac mini M2 16GB 500GB

CPU
Apple ARM M2 8 Core
GPU
Apple M2 10-core
Cores
4P / 8T
RAM
16GB · 6400 MT/s
LAN
1× 10G
Size
196×196×36mm · 1.38L
Custom $770
Intel NUC8i7BEH
Intel

NUC8i7BEH

CPU
Intel i7 8559U
GPU
Intel Iris Plus 655
Cores
4P / 8T
RAM
32GB / 2 slots · 2400 MT/s
Storage
3 (1× NVMe) · 1×2.5"
LAN
1× 1G
Size
117×112×51mm · 0.67L
Brick $275
SuperMicro
SuperMicro

Kamrui Essenx E1 N150
Kamrui

Essenx E1 N150

CPU
Intel Celeron N150
GPU
Intel Iris Xe 24EU
Cores
–P / 4T
RAM
16GB / 1 slot · 3200 MT/s
Storage
1 (1× NVMe)
LAN
1× 1G
Size
100×100×30mm · 0.3L
$40
Azulle Byte Elite 1315U
Azulle

Byte Elite 1315U

CPU
Intel i3 1315U
GPU
Intel Iris Xe 64EU
Cores
2P / 8T
RAM
64GB / 2 slots · 3200 MT/s
Storage
3 (1× NVMe)
LAN
1× 1G
$560
MSI Pro DP20Z 5600G
MSI

Pro DP20Z 5600G

CPU
AMD r5 5600G
GPU
AMD Vega 7
Cores
6P / 12T
RAM
64GB / 2 slots · 3200 MT/s
Storage
4 (2× NVMe) · 2×2.5"
LAN
1× 1G
Size
193×161×65mm · 2.02L
Brick $630

mpcdb.com is the Mini PC Database, created to help users find, compare, and research compact computers in one place. The site is a useful resource for anyone looking for the best mini PC 2026 models, with organized information about specifications, performance, features, and pricing. As an Ultimate Mini PC Guide USA, mpcdb.com makes it easier to compare different mini PCs for home, office, business, media, and everyday use. Instead of searching across many websites, visitors can quickly review and evaluate multiple options in one database. mpcdb.com is built to simplify the process of choosing the right mini PC by presenting clear comparisons and helpful details for the USA market.