Winner
Updated October 2026
Data from Amazon and official Beelink and GMKtec sites.
2026 verdict
The Beelink Mini S12 Pro (N100 16GB + 500GB) wins this one on value, taking the price, rating and warranty rows with an efficient N100, low power draw and a three-year warranty.
The GMKtec NucBox M5 Ultra (32GB + 512GB) is the more expandable of the pair and wins on memory capacity and storage: 32GB of dual-channel DDR4 that reaches 64GB, against the Mini S12 Pro's single-channel 16GB ceiling, plus a faster eight-core Ryzen 7 7730U and two 2.5G Ethernet ports for home-lab work. Choose the Beelink Mini S12 Pro (N100 16GB + 500GB) for a cheap, quiet, mountable always-on box, and the GMKtec NucBox M5 Ultra (32GB + 512GB) when you need CPU headroom, more memory and dual wired networking.
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| Feature | Beelink Mini S12 Pro (N100 16GB + 500GB) | GMKtec NucBox M5 Ultra (32GB + 512GB) | Winner |
|---|---|---|---|
| Price | $339.00 | $419.99 | Beelink Mini S12 Pro (N100 16GB + 500GB) |
| Rating | 4.5 | 4.3 | Beelink Mini S12 Pro (N100 16GB + 500GB) |
| Warranty | 3 years | 1 year | Beelink Mini S12 Pro (N100 16GB + 500GB) |
| Memory Capacity | 16 GB | 32 GB | GMKtec NucBox M5 Ultra (32GB + 512GB) |
| Storage Capacity | 500 GB | 512 GB | GMKtec NucBox M5 Ultra (32GB + 512GB) |
| CPU Model | Intel N100 | AMD Ryzen 7 7730U | Different strengths |
| Memory Configuration | Single-channel | Dual-channel | Different strengths |
| GPU Model | Intel UHD Graphics | AMD Radeon Graphics (8 cores, up to 2000 MHz) | Different strengths |
| Memory Type | DDR4 | DDR4 | Tie |
What the differences mean
Processor
The GMKtec NucBox M5 Ultra (32GB + 512GB) runs an eight-core Ryzen 7 7730U with Radeon graphics, while the Beelink Mini S12 Pro (N100 16GB + 500GB) runs Intel's four-core N100. The Ryzen is much faster for virtualization and heavier desktop work.
Memory
The GMKtec NucBox M5 Ultra (32GB + 512GB) has 32GB of dual-channel DDR4 and reaches 64GB, where the Beelink Mini S12 Pro (N100 16GB + 500GB) is single channel at 16GB with no upgrade path. This is the biggest practical difference.
Storage
The GMKtec NucBox M5 Ultra (32GB + 512GB) has two M.2 2280 PCIe 3.0 slots that support up to 8TB each, while the Beelink Mini S12 Pro (N100 16GB + 500GB) ships 500GB and leaves less expansion room. The GMKtec can become a much larger storage box.
Networking and warranty
The GMKtec NucBox M5 Ultra (32GB + 512GB) adds two 2.5G Ethernet ports, and the Beelink Mini S12 Pro (N100 16GB + 500GB) relies on a single 2.5G port. Against that, the Beelink has a three-year warranty to the GMKtec's one year.
Which one to buy if
- you want the cheapest quiet always-on box
The Beelink Mini S12 Pro (N100 16GB + 500GB) draws little power, stays quiet and carries a three-year warranty.
- you need more than 16GB of memory
The GMKtec NucBox M5 Ultra (32GB + 512GB) has two SODIMM slots that reach 64GB, where the Beelink cannot be upgraded.
- you want dual wired networking for routing or a cluster
The GMKtec NucBox M5 Ultra (32GB + 512GB) has two 2.5G ports, which the Beelink Mini S12 Pro (N100 16GB + 500GB) does not.
- you run virtual machines or a Linux desktop
The GMKtec NucBox M5 Ultra (32GB + 512GB) pairs eight Zen cores with 32GB of memory, better suited to Proxmox and development work.
Winner
$339.00
- + Price: $339.00
- + Rating: 4.5
- + Warranty: 3 years
- - Memory Capacity: 16 GB vs 32 GB
- - Storage Capacity: 500 GB vs 512 GB
25% OFF
Prime exclusive deal$419.99
$559.99
- + Memory Capacity: 32 GB
- + Storage Capacity: 512 GB
- - Price: $419.99 vs $339.00
- - Rating: 4.3 vs 4.5
What owners say
Owners of the GMKtec NucBox M5 Ultra (32GB + 512GB) describe it as fast for the money, quiet in normal use and easy to set up. Many run it as a home-lab node, using the two 2.5G Ethernet ports for pfSense, Proxmox or Kubernetes, or as a small Linux development machine, and the performance holds up. The praise centres on performance per watt, the quiet dual-fan cooling, clean Linux installs and support that repaired or replaced units after purchase. The criticism is that the platform uses DDR4 and PCIe 3.0, that integrated graphics get warm under sustained gaming, and that the warranty is one year.
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.
- Beelink Mini S12 Pro (N100 16GB + 500GB)
- GMKtec NucBox M5 Ultra (32GB + 512GB)
Loading price history...
Frequently Asked Questions
Which is better overall: Beelink Mini S12 Pro (N100 16GB + 500GB) or GMKtec NucBox M5 Ultra (32GB + 512GB)?
For value, the Beelink Mini S12 Pro (N100 16GB + 500GB) wins on price, rating and warranty. For capability, the GMKtec NucBox M5 Ultra (32GB + 512GB) is far stronger, with eight cores, more memory and dual 2.5G networking.
What is the biggest difference between the Beelink Mini S12 Pro (N100 16GB + 500GB) and the GMKtec NucBox M5 Ultra (32GB + 512GB)?
The processor and memory. The GMKtec NucBox M5 Ultra (32GB + 512GB) offers an eight-core Ryzen and 32GB of upgradeable DDR4, while the Beelink Mini S12 Pro (N100 16GB + 500GB) offers a four-core N100 with memory fixed at 16GB.
Can you upgrade the memory on the Beelink Mini S12 Pro (N100 16GB + 500GB)?
No. It ships with 16GB of DDR4, which is the platform maximum. The GMKtec NucBox M5 Ultra (32GB + 512GB), by contrast, takes two SODIMMs up to 64GB.
Which is the better home server, the Beelink Mini S12 Pro (N100 16GB + 500GB) or the GMKtec NucBox M5 Ultra (32GB + 512GB)?
The GMKtec NucBox M5 Ultra (32GB + 512GB) runs more virtual machines and containers because of its eight cores, 64GB memory ceiling and dual 2.5G ports, while the Beelink Mini S12 Pro (N100 16GB + 500GB) is the quieter, lower-power choice for a few services.
Who should buy the Beelink Mini S12 Pro (N100 16GB + 500GB)?
Buyers who want a cheap, quiet, low-power box for media, light office work and always-on service roles.
Who should buy the GMKtec NucBox M5 Ultra (32GB + 512GB)?
Anyone who needs CPU headroom, up to 64GB of memory and two wired network ports for virtualization, routing or development.
Full comparison table
Compare all 104 Mini PCs side by side
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