Hardware Specifications Reference

NODE-PC Hardware Specifications

GMKtec NucBox M6 Ultra — complete hardware reference including ports, internals, and system configuration.

Front & Rear Panel Diagram

GMKtec NucBox M6 Ultra — Front and Rear Panel Diagram
GMKtec NucBox M6 Ultra — Front (top) and Rear (bottom) I/O layout

🔌 Port Reference

Front Panel

Power Button×1
3.5mm Audio (CTIA)×1
USB 4.0×1
USB 3.2 Gen2×2
Reset Hole×1

Rear Panel

HDMI×1
DisplayPort×1
USB 3.2 Gen2×1
USB 2.0×1
RJ45 2.5GbE×2
DC Power (19V 6.32A)×1
Kensington Lock×1

Processor (CPU)

ModelAMD Ryzen 5 7640HS
ArchitectureAMD Zen 4 (Phoenix) · x86_64
Cores / Threads6 cores / 12 threads
Base Clock~410 MHz (min) — power-saving mode
Max Boost Clock5,018 MHz (5.0 GHz)
L2 Cache6 MB (1 MB per core)
L3 Cache16 MB (shared)
TDP35–54W (configurable)
Process NodeTSMC 4nm
Instruction SetsSSE4.2, AVX2, AVX-512, AES-NI, SHA
VirtualizationAMD-V (SVM) — KVM blacklisted for VirtualBox

🎮 Integrated Graphics (GPU)

ModelAMD Radeon 760M
ArchitectureRDNA 3
Compute Units8 CUs
GPU ClockUp to 2,800 MHz
PCI IDPhoenix1 (rev c3)
Display OutputHDMI + DisplayPort (rear panel)

🧠 Memory (RAM)

Total12 GB DDR5
TypeDDR5 SODIMM
Speed5600 MHz
Swap4 GB (swap partition)
ℹ️ Memory allocation
With the Win11-LTSC VM configured for 6 GB, approximately 6 GB remains for the Ubuntu host, Tailscale, Splashtop, and system overhead.

💾 Storage

Drive476.9 GB NVMe SSD
InterfacePCIe Gen 4 × 4 NVMe (M.2 2280)
Partition 1/boot/efi — 1 GB (EFI System Partition)
Partition 2/ — 475.9 GB (root filesystem, ext4)

🌐 Networking

Ethernet 1eno1 — 2.5 GbE (active, connected to LAN)
Ethernet 2enp3s0 — 2.5 GbE (not connected)
Wi-Fiwlp2s0 — MediaTek wireless (disabled)
Tailscaletailscale0 — MTU 1280, active exit node
Address TypeValue
WAN IP107.204.139.189
LAN IP192.168.0.102
Tailscale IP100.75.215.100

🐧 Operating System & Firmware

OSUbuntu 24.04 LTS (locked — never upgrade to 25.x)
Kernel6.17.0-19-generic
Display ServerXorg (required by Splashtop)
BIOS VendorAmerican Megatrends International, LLC.
BIOS VersionNucBox M6 Ultra 1.02
BIOS Date08/06/2025
Board ManufacturerGMKtec
Board SerialARB19D415912H1983

📦 Installed Software

SoftwarePurpose
TailscaleExit node — routes streaming traffic through Aunt's ISP
Splashtop StreamerRemote desktop access (requires Xorg)
Google ChromeWeb browser
VirtualBox 7.1.16Hosts Win11-LTSC VM
VirtualBox Extension PackUSB 3.0, RDP, disk encryption support
OpenSSH ServerRemote terminal access via SSH
Removed SoftwareReason
FirefoxReplaced by Chrome
FlatpakNot needed
DockerNot needed on this machine
BottlesNot needed

💻 Virtual Machine — Win11-LTSC

OSWindows 11 IoT Enterprise LTSC 2024
Product KeyJTX28-2VNCM-X6G3K-CH6BV-B7YP7
RAM6,144 MB (6 GB)
CPUs2
Video RAM128 MB
GraphicsVBoxSVGA
FirmwareEFI
Disk60 GB VDI (dynamically allocated)
Storage ControllerSATA (IntelAhci)
Local UserBrent
Network DriveZ:\\100.75.215.99\homes\Media\StreamFab Downloads
Guest AdditionsInstalled (clipboard, drag-drop, auto-resize)
Auto-Startsystemd service — GUI mode on boot
Sleep / DisplayBoth disabled (runs 24/7)