GMKtec NucBox K4
GMKtec

NucBox K4

CPU r9 7940HS
GPU RDNA3 780M
Max RAM 64GB
Drives 1
From $600
Seller Amazon

The GMKtec NucBox K4 is a mini PC powered by the AMD r9 7940HS (Zen 4 gen). It features 8 performance cores and 16 threads and a soldered CPU. Graphics are handled by the integrated AMD RDNA3 780M. Supports up to 64GB of RAM across 2 slots at 5600 MT/s. Storage capacity of up to 1 drive including 1 NVMe. Connectivity includes USB4 40Gbps. Networking features 1 Ethernet port (up to 2.5G). Dimensions: 120 × 110 × 40mm (0.53L). Uses a Brick PSU (120W), 45W TDP.

CPU & Performance

CPUr9 7940HS
GenerationZen 4
P-Cores8
Threads16
Single-core77
Multi-core44
Socket0

GPU

GPURDNA3 780M
Discrete GPUNo
Integrated GPUYes
eGPU supportNo

RAM

Max RAM64GB
RAM slots2
Max speed5600 MT/s
ECC supportNo

Storage

Max drives1
NVMe slots1
Gen3 x41
SD cardNo

Ports & Connectivity

USB4 40Gbps1
Max displays3

Network

Max Ethernet1G
2.5G ports1
vProN

Physical

Dimensions120 × 110 × 40 mm
Volume0.53L
Fan size80mm
Warranty1 yr

Power

TDP45W
PSU typeBrick
PSU120W

Pricing

32GB / 1TB$600

Additional

Recommended for productivity, software development, multitasking, media use, light gaming, larger multitasking workloads, and very small desk setups. Consider GMKtec NucBox K4 if you want a ultra-compact mini PC built around its listed AMD r9 7940HS processor and AMD RDNA3 780M integrated GPU. It is less suitable for heavy gaming than models with a discrete GPU, but the listed expansion and integrated graphics options make it flexible for everyday workloads.

GMKtec NucBox K4 features AMD r9 7940HS with AMD RDNA3 780M integrated GPU, offering 1× 2.5G Ethernet and USB4. CPU details include Zen 4 CPU generation, 8 performance cores, and 16 threads. Memory support includes up to 64GB RAM across 2 slots at 5600 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 3 displays. Port connectivity includes 1× USB4 40Gbps. Networking includes 1× 2.5G Ethernet. Physical design includes a 120 × 110 × 40 mm chassis (0.53L). Cooling information lists 80 mm main fan. Power information lists Brick power supply rated at 120W and 45W TDP. Lifecycle information lists 1-year warranty and release date listed as 7-Jun-2023.

The overall score is not populated for GMKtec NucBox K4, so this model should be evaluated by the listed hardware specifications rather than by a ranked dataset position.

Verdict

Best for

productivity, light gaming, media editing, multitasking, developer workloads.

Avoid if

you need modern AAA gaming or sustained GPU rendering; you need multiple high-speed LAN ports for router or NAS duty; you need more than one internal storage drive.

Alternatives
  • Pinova P1 — better value at comparable performance
  • GMKtec/Morefine Nucbox K11 4090M — higher performance ceiling
  • CWWK/Topton 1245U 8x2.5G — stronger wired networking for homelab use

Review

The GMKtec NucBox K4 is a ultra-compact mini PC built around AMD r9 7940HS and AMD RDNA3 780M integrated graphics. With a listed price around $600, it is aimed at buyers looking for productivity, light gaming, media editing, multitasking, developer workloads. The core spec sheet is solid for its class: up to 64GB RAM across 2 slots at 5600 MT/s, up to 1 drive, including 1 NVMe slot (1 PCIe 3.0 x4 NVMe), 1×2.5GbE, and 1 USB4 40Gbps. 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 7-Jun-2023. The main reason to pause is fit: avoid it if you need modern AAA gaming or sustained GPU rendering; you need multiple high-speed LAN ports for router or NAS duty; you need more than one internal storage drive. Overall, the GMKtec NucBox K4 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.

Notes

May 27 2024: $540 to $400. Sep 7: Multiple reports of thermal throttling. it is recommended to add a second fan. Aug. 4: Techtablets found significant temperature problems. Jun 19: $590 to 520. Sales page claims Gen 4 ssd but max read of 3300MB/s is Gen 3 speed

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