General info:
| SSD storage capacity |
1000GB |
| form factor |
Micro-ATX |
| release date |
September 2025 |
| Is an NVMe SSD |
✕ |
| thickness |
127 mm |
| height |
47.8 mm |
| width |
128.8 mm |
| weight |
1440 g |
| volume |
781.89328 cm³ |
The GMKtec NucBox M5 Ultra features a compact Micro-ATX form factor with a thickness of 127mm, a height of 47.8mm, and a width of 128.8mm, making it highly space-efficient. It weighs 1440g and has a volume of 781.89328 cm³. The device comes with a substantial 1000GB SSD storage but does not support NVMe SSDs, offering a solid storage option without the high-speed NVMe capability.
CPU:
| Thermal Design Power (TDP) |
15W |
| CPU speed |
8 x 2 GHz |
| turbo clock speed |
4.5GHz |
| CPU threads |
16 threads |
| Has integrated graphics |
✓ |
| uses multithreading |
✓ |
| L3 cache |
16 MB |
| L2 cache |
4 MB |
| L1 cache |
512 KB |
| L2 core |
0.5 MB/core |
| L3 core |
2 MB/core |
| clock multiplier |
20 |
| Has an unlocked multiplier |
✕ |
| Supports 64-bit |
✓ |
| CPU temperature |
95 °C |
The GMKtec NucBox M5 Ultra is powered by an 8-core CPU running at 2 GHz, with a turbo boost clock speed of 4.5GHz. It supports multithreading with 16 threads, and features a 16MB L3 cache and a 4MB L2 cache, ensuring efficient data processing. The processor also includes integrated graphics and supports 64-bit architecture, although it does not have an unlocked clock multiplier. The CPU operates at a thermal design power (TDP) of 15W and reaches a maximum temperature of 95°C under load.
Graphics card:
| GPU clock speed |
300 MHz |
| GPU turbo |
2000 MHz |
| PCI Express (PCIe) version |
3 |
| texture mapping units (TMUs) |
32 |
| shading units |
512 |
| render output units (ROPs) |
8 |
| DirectX version |
DirectX 12 |
| OpenGL version |
4.6 |
| OpenCL version |
2.2 |
| semiconductor size |
7 nm |
| number of transistors |
10700 million |
The GMKtec NucBox M5 Ultra is equipped with a Radeon Vega 8 GPU, which operates at a base GPU clock speed of 300 MHz and can turbo boost up to 2000 MHz. It features 512 shading units, 32 texture mapping units, and 8 render output units (ROPs), ensuring good graphical performance. The GPU supports DirectX 12, OpenGL 4.6, and OpenCL 2.2, making it suitable for a variety of modern graphics applications. It is built on a 7nm semiconductor process and contains 10.7 billion transistors, providing efficient processing power.
Memory:
| RAM |
32GB |
| RAM speed |
4800 MHz |
| DDR memory version |
5 |
The GMKtec NucBox M5 Ultra is equipped with 32GB of RAM, running at a speed of 4800 MHz, providing fast and efficient memory performance. This system uses DDR5 memory, offering improved bandwidth and speed compared to previous generations, making it well-suited for multitasking and demanding applications.
Connectivity:
| Wi-Fi version |
Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n) |
| supports Wi-Fi |
✓ |
| Has Bluetooth |
✓ |
| Bluetooth version |
5.2 |
| USB 2.0 ports |
2 |
| USB 3.2 Gen 2 ports (USB-A) |
2 |
| USB 3.2 Gen 1 ports (USB-A) |
0 |
| USB 3.2 Gen 2 ports (USB-C) |
1 |
| USB 4 40Gbps ports |
0 |
| USB 4 20Gbps ports |
0 |
| USB 3.2 Gen 2x2 ports |
0 |
| USB 3.2 Gen 1 ports (USB-C) |
0 |
| Thunderbolt 4 ports |
0 |
| Thunderbolt 3 ports |
0 |
| DisplayPort version |
DisplayPort 1.4 |
| DisplayPort outputs |
1 |
| HDMI version |
HDMI 2.0 |
| HDMI ports |
1 |
| RJ45 ports |
2 |
| has an AUX input |
✓ |
| has a socket for a 3.5 mm audio jack |
✓ |
| has a VGA connector |
✕ |
| Has S/PDIF Out port |
✕ |
The GMKtec NucBox M5 Ultra offers a wide range of connectivity options, including Wi-Fi 6E support, which ensures fast and stable wireless internet access. It also includes Bluetooth 5.2 for seamless wireless device pairing. For wired connections, the device features two USB 2.0 ports, two USB 3.2 Gen 2 USB-A ports, and one USB 3.2 Gen 2 USB-C port, along with two RJ45 Ethernet ports for reliable wired networking. Additionally, it provides HDMI 2.0 and DisplayPort 1.4 outputs for video connections and supports both a headset jack and AUX input for audio.
Benchmarks:
| PassMark result |
18042 |
| PassMark result (single) |
3006 |
| Geekbench 6 result (multi) |
6277 |
| Geekbench 6 result (single) |
1633 |
| PassMark result (overclocked) |
19844 |
The GMKtec NucBox M5 Ultra delivers impressive benchmark results with a PassMark score of 18,042, and a single-threaded PassMark score of 3,006. In Geekbench 6, it achieves a multi-core score of 6,277 and a single-core score of 1,633. When overclocked, the system reaches a PassMark score of 19,844, showing a notable performance boost under optimized conditions.
Miscellaneous:
| maximum memory amount |
64GB |
| has an external memory slot |
✕ |
| GPU name |
Radeon Vega 8 |
| Type |
Laptop |
| instruction sets |
MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2 |
| Uses big.LITTLE technology |
✕ |
| Has NX bit |
✓ |
| GPU execution units |
8 |
| Supports ECC memory |
✓ |
| memory channels |
2 |
| RAM speed (max) |
4267 MHz |
| warranty period |
1 years |
| Uses flash storage |
✕ |
The GMKtec NucBox M5 Ultra supports up to 64GB of maximum memory and features dual memory channels for efficient data processing. The system uses a Radeon Vega 8 GPU, equipped with 8 execution units for solid graphical performance. It also supports ECC memory, ensuring data integrity for applications that require error correction. Additionally, the CPU is based on a laptop-type architecture and features a range of instruction sets, including MMX, AVX, and SSE, providing broad compatibility with modern software.
