GMKtec NucBox K15 Mini PC (Intel Core Ultra 5 125U)
The GMKtec NucBox K15 is a highly expandable mini PC sold with an official 2-year Hong Kong warranty. It runs an Intel Core Ultra 5 125U (12 cores / 14 threads, up to 4.3GHz) with Intel Graphics and an Intel AI Boost NPU, plus 16GB or 32GB of dual-channel DDR5-4800 memory and a 1TB SSD. Memory sits in SO-DIMM slots and upgrades to 96GB, and three M.2 PCIe 4.0 x4 slots take up to 8TB each (24TB total). An OCuLink port (PCIe Gen4 x4) supports external graphics, alongside USB4, dual 2.5G LAN and quad display output, so it suits office work, multi-monitor setups, NAS or home-server use and entertainment.
Ideal For
- External graphics via OCuLink (PCIe Gen4 x4) and USB4 (40Gbps)
- Multi-monitor work with up to 4 displays, HDMI 2.1 up to 8K@60Hz
- Large storage: 3 M.2 PCIe 4.0 x4 slots, up to 8TB each (24TB total)
- Networking with dual 2.5G LAN, for NAS, home servers or soft routers
- Entertainment, online learning and everyday office work
Specifications
| GMKtec NucBox K15 Specifications |
|---|
| Model |
GMKtec NucBox K15 |
| Processor |
Intel® Core™ Ultra 5 125U (Series 1, 12C/14T, Intel 4 process, up to 4.3GHz, 12MB cache, up to 21 TOPS CPU AI performance) |
| Graphics |
Intel® Graphics (up to 1.85GHz, up to 7 TOPS) |
| NPU |
Intel® AI Boost (up to 11 TOPS) |
| Memory |
16GB / 32GB dual-channel DDR5-4800 (2 x DDR5 SO-DIMM slots, up to 96GB) |
| Storage |
1TB M.2 2280 PCIe 3.0 NVMe SSD |
| Storage Expansion |
3 x M.2 2280 PCIe 4.0 x4 slots, up to 8TB each (24TB total) |
| OS |
Windows 11 Pro |
| Display Outputs |
Quad display: HDMI 2.1 (up to 8K@60Hz / 4K@120Hz), DP 1.4 (DP++), USB4, USB-C (DP 1.4) |
| Front I/O |
USB-C 3.2 Gen2 x1 (10Gbps / PD 100W / DP 1.4), USB-A 3.2 Gen2 x3 (10Gbps), 3.5mm combo jack x1, power button, Clear CMOS button |
| Rear I/O |
Full-function USB4 x1 (40Gbps / PD 100W / DP 1.4), OCuLink x1 (PCIe Gen4 x4, not hot-pluggable), HDMI 2.1 x1, DP 1.4 x1, USB 2.0 x2, 2.5G LAN x2, 3.5mm combo jack x1, DC-in x1, security lock slot |
| Network |
Wi-Fi 6E (RZ616 / MediaTek MT7922, up to 2.4Gbps) / Bluetooth 5.2; dual 2.5G LAN (Realtek 8125BG) |
| Other |
RGB lighting / fan mode control button |
| Power Adapter |
20V / 5A (100W) |
| Dimensions |
154 x 151 x 73.6mm |
| Weight |
910g |
| Colour |
Metallic grey + black |
| In the Box |
Power adapter, HDMI cable, VESA mount, user manual, warranty card |
| Warranty |
2-year Hong Kong warranty |
Hong Kong Warranty & Service
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2-year warranty: official Hong Kong unit, serviced by the local distributor Hornington.
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Customer Service (Repair) Centre: Room 712, 7/F, Century Centre, 44–46 Hung To Road, Kwun Tong, Kowloon, Hong Kong
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Walk-in repair hours: Mon–Fri 10:10–18:30 (lunch 13:00–14:00); Sat 09:30–12:30; closed Sundays and public holidays. Drop-off and collection only, with no on-the-spot testing. For a short test, please arrive 20 minutes early.
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Delivery / pickup: free delivery, or self-pickup after ordering at Unit 710, 7/F, Century Centre, 44–46 Hung To Road, Kwun Tong, Kowloon, Hong Kong
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Pickup hours: Mon–Fri 10:10–12:30, 13:30–17:30; closed Sat, Sun and public holidays.
FAQ
Q: Can I upgrade the memory?
A: Yes. The K15 has 2 DDR5 SO-DIMM slots supporting dual-channel DDR5-4800, up to 96GB.
Q: How much storage can it hold?
A: It has 3 M.2 2280 PCIe 4.0 x4 slots, up to 8TB each, for up to 24TB in total.
Q: Can I connect an external GPU?
A: Yes. The rear OCuLink (PCIe Gen4 x4) and USB4 (40Gbps) ports support external GPU docks. OCuLink is not hot-pluggable, so connect or disconnect it only while the PC is powered off.
Q: How many monitors can it drive?
A: Up to 4 displays at once via HDMI 2.1, DP 1.4, USB4 and USB-C; HDMI reaches up to 8K@60Hz or 4K@120Hz.
Q: How do warranty repairs work?
A: You get a 2-year Hong Kong warranty. Bring the unit to our repair centre at Room 712, 7/F, Century Centre, Kwun Tong (drop-off and collection only).
Q: Can I pick up my order?
A: Yes. Choose self-pickup at Unit 710, 7/F, Century Centre, Kwun Tong (Mon–Fri 10:10–12:30, 13:30–17:30), or choose free delivery.
