GMKtec NucBox K15 Mini PC Intel® Core™ Ultra 5 125U
The GMKtec NucBox K15 is a compact mini PC powered by an Intel Core Ultra 5 125U processor with 12 cores and up to 4.3GHz, plus an Intel AI Boost NPU. It supports up to 96GB DDR5 memory, triple M.2 PCIe 4.0 SSDs (up to 24TB), WiFi 6E, dual 2.5GbE LAN, USB4, OCuLink, and quad 4K/8K display output.
Pros
- +Intel Core Ultra 5 with AI Boost NPU
- +Supports up to 96GB DDR5 memory
- +Triple M.2 PCIe 4.0 SSD slots
- +Dual 2.5G Ethernet ports
- +Wi-Fi 6E and Bluetooth 5.2
- +Quad display output support
Cons
- −OCuLink port does not support hot-plugging
| Model | GMKtec NucBox K15 |
| Processor | Intel® Core™ Ultra Processor (Series 1), 12 Cores, 14 Threads Intel 4 Process Max Turbo Frequency up to 4.3GHz 12MB Cache Up to 21 TOPS (Int8) |
| Processor Model | Intel® Core™ Ultra 5 125U |
| Processor Technology | Intel 4 Process |
| Processor Package | FCBGA2049 Package, 50 × 25 mm |
| Graphics | Intel® Graphics Max Dynamic Frequency up to 1.85GHz Up to 7 TOPS (Int8) |
| NPU / AI Accelerator | Intel® AI Boost Up to 11 TOPS (Int8) |
| Memory | 2 × DDR5 SO-DIMM Slots Dual-Channel DDR5-5600 Memory 16GB / 32GB configurations Supports up to 96GB |
| Memory Slots | 2 slots, max 96GB |
| Storage | 3 × M.2 2280 PCIe 4.0 ×4 SSD Slots 1TB / 2TB options |
| Storage Expansion | 3 × M.2 2280 PCIe 4.0 ×4 SSD Slots Supports up to 8TB per slot (Max 24TB) |
| Display Support | Quad display output via HDMI 2.1 + DisplayPort 1.4 + USB4 + USB Type-C Supports simultaneous multi-display output |
| Network | Wi-Fi 6E (RZ616 / MediaTek MT7922, up to 2.4Gbps) Bluetooth 5.2 Dual 2.5G Ethernet LAN (Realtek 8125BG) |
| Wireless | Wi-Fi 6E (RZ616 / MediaTek MT7922, up to 2.4Gbps) Bluetooth 5.2 Dual 2.5G Ethernet LAN (Realtek 8125BG) |
| Bluetooth | 5.2 |
| Ethernet | Dual 2.5G Ethernet LAN (Realtek 8125BG) |
| I/O Ports | Front: 1x USB 3.2 Gen2 Type-C (PD/DP/Data), 3x USB 3.2 Gen2, 1x 3.5mm Combo Jack; Rear: 1x DC IN, 1x 3.5mm Combo Jack, 1x HDMI 2.1, 1x DP 1.4, 1x OCulink PCIe Gen4x4, 2x USB 2.0, 1x USB4 (PD/DP/Data 40Gbps), 2x RJ45 2.5G, 1x Security Lock |
| Front I/O | Audio: 1 × 3.5mm Combo Jack USB-C: 1 × USB 3.2 Gen2 Type-C (PD Input 100W / DP1.4 / Data 10Gbps) USB-A: 3 × USB 3.2 Gen2 (10Gbps) Power Button: 1 × Power Button with White LED Indicator Reset: 1 × Clear CMOS Button |
| Rear I/O | Power: 1 × DC IN (5.5 × 2.5mm) Audio: 1 × 3.5mm Combo Jack HDMI: 1 × Standard HDMI 2.1 (up to 8K@60Hz / 4K@120Hz) DisplayPort: 1 × DP 1.4 (DP++) OCulink: 1 × PCIe Gen4 ×4 OCulink Port USB-A: 2 × USB 2.0 USB-C: 1 × USB4 Full-Function Port (PD Input 100W / DP1.4 / Data 40Gbps) LAN: 2 × RJ45 2.5G Ethernet Lock Slot: 1 × Security Lock |
| Dimensions | 154 × 151 × 73.6 mm |
| Weight | 910 g |
| Color / Finish | Metallic Gray + Black |
| Form Factor | Mini PC |
| Power | Built-in coin cell battery DC Power Adapter 20V / 5A, 100W |
| Power Options | US, EU, UK, AU |
| Cooling | VC Cooling Design for CPU with Large Fans + DDR/SSD Cooling Fan with Lighting |
| Operating System | Windows 11 Pro |
| Operating System Options | US, EU, UK, AU |
| Audio | Intel® High Definition Audio, 3.5mm combo jack |
| Expansion Slots | 3x M.2 2280 PCIe 4.0 x4 SSD slots, 1x OCuLink PCIe Gen4x4 |
| Environmental | 0°C – 40°C |
| Security | Security lock slot |
| Certifications | CCC, CE, FCC, RoHS, MIC, CEC, China Energy Label, UL Report |
| Package Contents | User Manual Warranty Card Power Adapter HDMI Cable VESA Mount |
| Kensington Lock | Yes, security lock slot |
| Features | 1 × System Fan Control Button Supports lighting memory function and multiple RGB lighting modes | The OCulink port does not support hot-plugging. Please connect or disconnect the cable only when the device is powered off. | 14 Languages Supported (Default English): Simplified Chinese, Traditional Chinese, French, Dutch, Italian, Spanish, Korean, Japanese, German, Hebrew, Russian, Portuguese, Arabic |
| Overview | GMKtec NucBox K15 Mini PC powered by Intel Core TM Ultra 5 125U processor with hybrid architecture (12 cores / 14 threads, up to 4.3GHz) and built-in Intel AI Boost NPU delivering up to 21 TOPS AI performance. Supports up to 96GB DDR5 memory and triple M.2 PCIe 4.0 SSD expansion up to 24TB storage. Equipped with WiFi 6E, dual 2.5GbE LAN, USB4 connectivity, OCuLink expansion, and quad-display output via HDMI 2.1, DisplayPort, USB4, and Type-C. A compact AI-ready mini PC designed for productivity, creative workloads, and next-generation computing. |
| Warranty | 1-Year Limited Warranty |
| Configurations | Barebone (No DDR & SSD & OS) | 16GB RAM+ 1TB SSD | 32GB RAM+ 1TB SSD | 48GB RAM+ 1TB SSD |
Specs on this page may not be 100% accurate — please verify with the manufacturer.
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