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Compact silver-and-black mini PC with rounded edges

GMKtec

GMKtec M8 16+512 barebone mini PC

SKU CH-K57J-YF0JP

Barebone mini PC with AMD Ryzen 5 PRO 6650H, 16 GB LPDDR5, 512 GB NVMe, Oculink and USB4 for eGPU expansion

  • ColorSilver Black(M8)
  • Form Factormini pc
  • CPU TypeAMD Ryzen 5 PRO 6650H (6C/12T, Up to 4.5GHz, L2 3MB L3 16MB
  • CPU SocketTSMC 6nm FinFET
  • CPU Cores6-Core
  • North BridgeIntegrated
  • AMD Ryzen 5 PRO 6650H delivers 6 cores and 12 threads up to 4.5 GHz for responsive multitasking
  • 16 GB LPDDR5 6400 MT/s soldered memory provides high bandwidth for integrated graphics workloads
  • 512 GB PCIe 4.0 NVMe SSD plus dual M.2 2280 slots allow up to 8 TB total storage expansion
  • Oculink PCIe 4.0 x4 and USB4 40 Gbps ports enable external GPU and high-speed peripheral connectivity
  • Triple display via HDMI 2.1, DisplayPort 1.4 and USB4 with dual 2.5 GbE LAN and WiFi 6E

Ready-to-use mini PC for office and light gaming

The GMKtec M8 is a compact barebone system pre-loaded with Windows 11 Pro. An AMD Ryzen 5 PRO 6650H processor with 6 cores and 12 threads runs at 3.3 GHz base and up to 4.5 GHz boost. Integrated Radeon 660M graphics with 12 compute cores handle daily productivity, mid-range gaming and light 4K video editing. Sixteen gigabytes of LPDDR5 6400 MT/s memory are soldered to the board and cannot be upgraded.

Verify expansion needs

Dual M.2 2280 slots accept PCIe 3.0 or 4.0 NVMe drives up to 4 TB each for 8 TB total storage. The Oculink port provides a PCIe 4.0 x4 link for an external GPU but does not support hot-plugging; the unit must be powered off before connecting or disconnecting. A full-featured USB4 port delivers 40 Gbps data, 100 W power delivery and 4K 60 Hz video. Dual 2.5 GbE LAN ports and WiFi 6E are built in for wired and wireless networking.

Three BIOS power modes balance thermals and noise

Quiet mode caps the processor at 28 W, Balanced at 35 W and Performance at 40 W. A dual-fan cooler with 360° airflow and copper heat pipes keeps temperatures low across all settings. Triple simultaneous display output is available through HDMI 2.1, DisplayPort 1.4 and USB4. Multiple USB 3.2 Gen 2 10 Gbps ports provide fast peripheral connectivity.

Points forts

  • AMD Ryzen 5 PRO 6650H delivers 6 cores and 12 threads up to 4.5 GHz for responsive multitasking
  • 16 GB LPDDR5 6400 MT/s soldered memory provides high bandwidth for integrated graphics workloads
  • 512 GB PCIe 4.0 NVMe SSD plus dual M.2 2280 slots allow up to 8 TB total storage expansion
  • Oculink PCIe 4.0 x4 and USB4 40 Gbps ports enable external GPU and high-speed peripheral connectivity
  • Triple display via HDMI 2.1, DisplayPort 1.4 and USB4 with dual 2.5 GbE LAN and WiFi 6E

Caractéristiques

BrandGMKtec
SeriesM8
ModelM8 16+512
Part NumberM8 16+512
ColorSilver Black(M8)
Form Factormini pc
CPU TypeAMD Ryzen 5 PRO 6650H (6C/12T, Up to 4.5GHz, L2 3MB L3 16MB Cache)
CPU SocketTSMC 6nm FinFET
CPU Cores6-Core
North BridgeIntegrated
South BridgeAMD Integrated Controller Hub
Memory installed16GB LPDDR5
Memory slotOn-Board (Non-Upgradable)
Memory Type SupportedLPDDR5 6400MT/s
Max Memory Supported16GB
Dual Channel Memory SupportedYes
PCIPCIe 3.0/4.0 x4 (for M.2 NVMe)
OtherDual M.2 2280 PCIe 3.0/4.0 Slots
Storage Installed512GB PCIe 3.0 NVMe SSD
M.2 SlotDual M.2 2280 PCIe 3.0/4.0 Slots, Up to 8TB per slot (16TB total)
Integrated GraphicsAMD Radeon 660M 6 Cores 1900MHz
Onboard AudioIntegrated HD Audio
ChannelStereo
LANDual 2.5Gbps RJ45 Ethernet (RTL8125BG)
Max LAN Speed2.5 Gbps
Wireless LANWIFI 6E 802.11 a/b/g/n/ac/ax RZ616
WiFi GenerationWiFi 6E
BluetoothBT5.2
Front USB2 x USB3.2 Gen2 (10Gbps), 1 x USB4 (40Gbps, PD Charging, DP 1.4)
Front Audio Ports1 x 3.5mm CTIA Audio Jack
Other Front Ports1 x Oculink (PCIe Gen4 x4)
HDMIHDMI 2.1 (8K@60Hz)
DisplayPortDisplayPort 1.4 (8K@60Hz)
Rear USB1 x USB3.2 Gen2 (10Gbps), 1 x USB2.0 (480Mbps)
RJ452 x 2.5Gbps Ethernet Ports
InputDC 20V 5A, 100W Max
Dimensions4.21" x 4.37" x 2.48"
Weight0.49kg
FeaturesTriple Display Output, 3 Performance Modes (28W/35W/40W), Oculink eGPU Support
PackagingRetail Box: Mini PC, 100W Power Adapter, User Manual

Questions sur cet article

What comes in the box and what must be purchased separately?

The unit ships with the mini PC, a 100W power adapter and a VESA mount. Windows 11 Pro is pre-installed. The 16GB LPDDR5 RAM is soldered and cannot be upgraded. A 512GB PCIe 4.0 NVMe SSD is installed; a second M.2 2280 slot is empty for additional storage.

Which version should I choose if I need more storage later?

Only the M8 16+512 model is listed. It already includes 16GB LPDDR5 and a 512GB NVMe SSD. Two M.2 2280 slots support up to 4TB each (8TB total), so you can add one or two drives later without replacing the original.

What does the 4.5GHz boost clock mean for real workloads?

The Ryzen 5 PRO 6650H reaches 4.5GHz on up to 6 cores / 12 threads. Combined with Radeon 660M graphics (12 compute cores) and 16GB LPDDR5 6400MT/s, it handles office apps, mid-range gaming and light 4K video editing. Three BIOS power modes (28W, 35W, 40W) let you balance noise and speed.

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