Winner
Updated October 2026
Data from Amazon and official Geekom and GMKtec sites.
2026 verdict
For a NAS build or a four-display workstation, the Geekom IT15 (32GB + 1TB) is well ahead of the GMKtec NucBox M2 Pro S (16GB + 1TB).
It doubles the memory to 32GB of DDR5 with a 128GB ceiling against 16GB of DDR4 capped at 64GB, triples the warranty to three years, and puts a 16-core Core Ultra 9 285H with Arc 140T graphics and a 13 TOPS NPU where the GMKtec has a four-core 11th Gen i7-1185G7 and no NPU. Two USB4 ports, Wi-Fi 7, an SD 4.0 reader and a 2.5-inch SATA bay complete the gap. The GMKtec NucBox M2 Pro S (16GB + 1TB) is the much more affordable of the two and shares 2.5G Ethernet, dual HDMI, a 1TB drive with a free M.2 2242 SATA bay and a VESA mount. It suits a budget office desk; the IT15 is the machine for heavier work and more drives.
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| Feature | Geekom IT15 (32GB + 1TB) | GMKtec NucBox M2 Pro S (16GB + 1TB) | Winner |
|---|---|---|---|
| Price | $1199.00 | $649.99 | GMKtec NucBox M2 Pro S (16GB + 1TB) |
| Warranty | 3 years | 1 year | Geekom IT15 (32GB + 1TB) |
| Memory Type | DDR5 | DDR4 | Geekom IT15 (32GB + 1TB) |
| Memory Capacity | 32 GB | 16 GB | Geekom IT15 (32GB + 1TB) |
| CPU Model | Intel Core Ultra 9 285H | Intel Core i7-1185G7 | Different strengths |
| GPU Model | Intel Arc 140T GPU | Intel Iris Xe Graphics G7 (96 EUs, 1.35 GHz) | Different strengths |
| Rating | 4.4 | 4.4 | Tie |
| Memory Configuration | Dual-channel | Dual-channel | Tie |
| Storage Capacity | 1 TB | 1 TB | Tie |
What the differences mean
Processor
A 16-core Core Ultra 9 285H with Arc 140T graphics against a four-core, eight-thread Core i7-1185G7 with Iris Xe. The IT15 handles 4K encoding and light gaming; the GMKtec is an office machine.
Memory
32GB of DDR5 with room for 128GB on the IT15, 16GB of DDR4-3200 with room for 64GB on the GMKtec.
Storage bays
The IT15 adds a 2.5-inch SATA bay to its M.2 2280 NVMe and M.2 2242 SATA slots. The GMKtec has the two M.2 slots only, so bulk storage on 2.5-inch drives favours the IT15.
Ports
Two USB4 ports at 40Gbps and an SD 4.0 reader on the IT15, against a single 5Gbps Type-C port and no card reader on the GMKtec. Both have two HDMI ports and 2.5G Ethernet.
Wireless and warranty
Wi-Fi 7 and Bluetooth 5.4 on the IT15, Wi-Fi 6 and Bluetooth 5.2 on the GMKtec; three years of warranty against one.
Which one to buy if
- you are building a home lab or NAS
Three storage bays and 32GB of DDR5 expandable to 128GB make the Geekom IT15 the storage box.
- you need four displays
Two USB4 ports plus two HDMI ports drive four screens on the IT15; the GMKtec stops at three.
- you want an office PC at the lowest cost
The GMKtec is the far cheaper machine and still has 16GB, 1TB and three-screen support.
- you want the lightest box to hang behind a monitor
The GMKtec weighs 361g and ships with a VESA bracket.
Winner
$1199.00
- + Warranty: 3 years
- + Memory Type: DDR5
- + Memory Capacity: 32 GB
- - Price: $1199.00 vs $649.99
$649.99
- + Price: $649.99
- - Warranty: 1 year vs 3 years
- - Memory Type: DDR4 vs DDR5
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Geekom IT15 (32GB + 1TB)
- GMKtec NucBox M2 Pro S (16GB + 1TB)
Loading price history...
Frequently Asked Questions
Which is better: Geekom IT15 (32GB + 1TB) or GMKtec NucBox M2 Pro S (16GB + 1TB)?
The Geekom IT15 (32GB + 1TB), by a wide margin: 32GB of DDR5, a 16-core Core Ultra 9, three storage bays, two USB4 ports, Wi-Fi 7 and a three-year warranty. The GMKtec NucBox M2 Pro S (16GB + 1TB) is the budget option for plain office work.
What is the biggest difference between the Geekom IT15 (32GB + 1TB) and the GMKtec NucBox M2 Pro S (16GB + 1TB)?
Class. The IT15 is a current-generation workstation with a Core Ultra 9 285H and DDR5, while the GMKtec is an office PC built on an 11th Gen Core i7-1185G7 with DDR4.
Does the GMKtec NucBox M2 Pro S (16GB + 1TB) have USB4?
No. The GMKtec NucBox M2 Pro S (16GB + 1TB) has one Type-C port at 5Gbps with DisplayPort output. The Geekom IT15 (32GB + 1TB) has two USB4 ports at 40Gbps.
Which has more storage expansion, the Geekom IT15 (32GB + 1TB) or the GMKtec NucBox M2 Pro S (16GB + 1TB)?
The Geekom IT15 (32GB + 1TB), with an M.2 2280 NVMe slot, an M.2 2242 SATA slot and a 2.5-inch SATA bay. The GMKtec NucBox M2 Pro S (16GB + 1TB) has an M.2 2280 slot and an M.2 2242 SATA slot.
Who should buy the Geekom IT15 (32GB + 1TB)?
Home lab and NAS builders, and professionals running four displays or 4K encoding, who want a three-year warranty and room for 128GB of memory.
Who should buy the GMKtec NucBox M2 Pro S (16GB + 1TB)?
Buyers who need an inexpensive, light Windows 11 Pro desktop for office work on up to three screens.
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