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Minisforum MS-A2 (Ryzen 9 9955HX)
AMD Ryzen 9 9955HX (16 cores, 32 threads) · 10 GbE · 1.78 L
8.4
$799Nov 92 videos
GMKtec NucBox K8 Plus (Ryzen 7 8845HS)
A Ryzen 7 8845HS barebone with OCuLink, dual 2.5GbE and two USB4 ports, built for owners adding their own RAM and storage.
- AMD Ryzen 7 8845HS (8 cores, 16 threads)
- 2.5 GbE
PCPR score
7.7
Good
Best price we’ve seen
$410Nov 9
Checked recently. Confirm at the retailer.
R1
The short version
The NucBox K8 Plus builds a compact mini PC around AMD's Ryzen 7 8845HS and Radeon 780M graphics, sold barebone or with 32GB of RAM and a 1TB SSD. It offers two SO-DIMM slots up to 128GB, two M.2 2280 PCIe 4.0 slots, two USB4 ports, dual 2.5GbE, Wi-Fi 6E and an OCuLink port for external graphics. The OCuLink link cannot be hot-plugged, memory and storage are user-upgradable, and the 120 W power adapter is external.
Pros
- Two SO-DIMM slots support DDR5-5600 up to 128GB
- Two M.2 2280 PCIe 4.0 slots with up to 16TB of total storage
- OCuLink PCIe 4.0 x4 plus two USB4 ports for external graphics or fast storage
- Dual 2.5GbE and Wi-Fi 6E in a 132 x 125 x 58 mm body, with up to four displays supported
Cons
- OCuLink port does not support hot-plugging, so it must be connected only with the PC off
- Integrated Radeon 780M limits demanding games without an external GPU
- GMKtec's store page lists a one-year warranty
- External 120 W power adapter
Best for
- Budget-minded builders reusing their own RAM and SSDs
- Small desk PCs with an external GPU upgrade path
SYS1
Configurations
| Configuration | Processor | Graphics | Memory | Storage | Price |
|---|---|---|---|---|---|
| Ryzen 7 8845HS · Barebone | AMD Ryzen 7 8845HS | AMD Radeon 780M | — | — | $410 |
| Ryzen 7 8845HS · 32GB · 1TB | AMD Ryzen 7 8845HS | AMD Radeon 780M | 32 GB | 1 TB | $920 |
J5
What you can upgrade later
Memory
UnconfirmedThe maker doesn’t publish its slot layout. Check before buying more memory.
Browse memoryGraphics card
limitedMaximum card length isn’t published. The 120 W supply limits how far you can go, so a high-end card would need a new PSU.
Browse graphics cardProcessor
UnconfirmedA drop-in upgrade depends on the socket and the maker’s BIOS. Check the board before buying a CPU.
Browse processorJ3
Full specifications
Core
- Processor
- AMD Ryzen 7 8845HS (8 cores, 16 threads)
- Graphics
- AMD Radeon 780M
Memory
- Memory type
- DDR5-5600 SO-DIMM (2 slots)
- Max memory
- 128 GB
Fit
- Memory upgradable
- Yes
- M.2 slots
- 2
Connectivity
- Wi-Fi
- Wi-Fi 6E
- Ethernet
- 2.5 GbE
Ports & I/O
- USB4 ports
- 2
- HDMI outputs
- 1
- DisplayPort outputs
- 1
- Max displays
- 4
Software
- Operating system
- None
Compatibility notes
- Two DDR5-5600 SO-DIMM slots, 128GB maximum
- Two M.2 2280 PCIe 4.0 NVMe slots, 16TB maximum; SATA SSDs are not supported
- OCuLink is not hot-pluggable, so connect or disconnect it only with the PC off
- External 19 V, 6.32 A (120 W) adapter; body measures 132 x 125 x 58 mm and a VESA mount is included
P1
Where to buy
Official store
Seen Nov 9, 2026
$409.99
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AV1
Video reviews
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R9
Common questions
Does the K8 Plus include RAM and an SSD?
The barebone has no memory, storage or operating system. GMKtec also sells a version with 32GB of memory and a 1TB SSD included.
Can I connect an external GPU?
Yes, through the OCuLink PCIe 4.0 x4 port or USB4. GMKtec notes that OCuLink does not support hot-plugging, so connect the cable only while the PC is powered off.
How much memory does it support?
Two DDR5-5600 SO-DIMM slots accept up to 128GB in total, according to GMKtec's specifications.
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