Mini PCs · Head to head

Beelink SER9 Max (64GB + 1TB) vs GMKtec NucBox G3 Pro (16GB + 512GB)

Full Mini PCs comparison in 2026

Updated October 2026
Data from Amazon and official Beelink and GMKtec sites.
2026 verdict
Fast wired networking and room to grow carry this mini PC comparison, and the Beelink SER9 Max (64GB + 1TB) edges out a budget office box.
Beelink SER9 Max (64GB + 1TB)
Winner
Beelink SER9 Max (64GB + 1TB)
$1149.00

Last recorded price

Buy on Amazon USA
It pairs an eight-core Ryzen 7 H 255 with Radeon 780M graphics and 64GB of DDR5-5600 that reaches 128GB, plus a 1TB Gen 4 drive and a second M.2 slot, a 10 Gigabit Ethernet port, a USB4 port with Thunderbolt 3 compatibility and triple display output, all under a three-year warranty. The GMKtec NucBox G3 Pro (16GB + 512GB) wins on price and owner rating, offering a tiny, quiet box with upgradeable DDR4 to 64GB, a free M.2 slot, 2.5G Ethernet and a VESA mount for everyday work. Pick the GMKtec NucBox G3 Pro (16GB + 512GB) for Office tasks, streaming and a cheap home server, and the Beelink SER9 Max (64GB + 1TB) when a fast network, more memory or Thunderbolt docks are part of the plan.
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FeatureBeelink SER9 Max (64GB + 1TB)GMKtec NucBox G3 Pro (16GB + 512GB)Winner
Price$1149.00$309.99GMKtec NucBox G3 Pro (16GB + 512GB)
Warranty3 years1 yearBeelink SER9 Max (64GB + 1TB)
Memory TypeDDR5DDR4Beelink SER9 Max (64GB + 1TB)
Memory Speed5600 MT/s2666 MHzBeelink SER9 Max (64GB + 1TB)
Memory Capacity64 GB16 GBBeelink SER9 Max (64GB + 1TB)
Storage Capacity1 TB512 GBBeelink SER9 Max (64GB + 1TB)
CPU ModelAMD Ryzen 7 H 255Intel Core i3-10110UDifferent strengths
GPU ModelAMD Radeon 780M (12 CUs)Intel UHD Graphics (up to 1000 MHz)Different strengths
Rating4.44.4Tie
Memory ConfigurationDual-channelDual-channelTie

What the differences mean

Wired networking

The Beelink SER9 Max (64GB + 1TB) carries a single 10 Gigabit Ethernet port, four times the throughput of the usual 2.5G. The GMKtec NucBox G3 Pro (16GB + 512GB) offers one 2.5 Gigabit port, which is plenty for ordinary broadband but slow for large transfers between a NAS and the desktop.

Memory and storage

The Beelink SER9 Max (64GB + 1TB) ships 64GB of DDR5-5600 that grows to 128GB and two M.2 2280 PCIe 4.0 slots with a 1TB drive fitted. The GMKtec NucBox G3 Pro (16GB + 512GB) starts at 16GB of DDR4 and 512GB, with a second M.2 2242 SATA slot that takes a shorter, slower drive.

Ports and docks

The Beelink SER9 Max (64GB + 1TB) adds a USB4 port that supports Thunderbolt 3, DisplayPort and power delivery, so single-cable docks and fast external drives work. The GMKtec NucBox G3 Pro (16GB + 512GB) has only USB-A ports and no USB-C, DisplayPort or Thunderbolt.

Price and warranty

The GMKtec NucBox G3 Pro (16GB + 512GB) is the cheaper, better rated machine, but its warranty is one year. The Beelink SER9 Max (64GB + 1TB) costs more and is covered for three years, which suits the higher-grade hardware inside.

Which one to buy if

What owners say

Owners of the GMKtec NucBox G3 Pro (16GB + 512GB) describe it as tiny, quick to set up and free of trial software, with Windows 11 Pro ready in minutes. They value how upgradeable it is for the money: the 16GB of DDR4 arrives as two matched modules in dual-channel, the lid comes off without tools, and the second M.2 slot takes an extra drive. The four USB-A ports, two HDMI outputs and 2.5 Gigabit LAN earn steady praise, and several owners report months of daily use with no crashes. Their complaints are the complete lack of USB-C, HDMI 1.4 limiting dual 4K to a low refresh, a fan that turns audible under load, thin documentation and a few early failures.

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 SER9 Max (64GB + 1TB)
  • GMKtec NucBox G3 Pro (16GB + 512GB)

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Frequently Asked Questions

Which is better overall: Beelink SER9 Max (64GB + 1TB) or GMKtec NucBox G3 Pro (16GB + 512GB)?

The Beelink SER9 Max (64GB + 1TB) is the stronger machine overall, with eight cores, 64GB of DDR5, a 10 Gigabit port and USB4. The GMKtec NucBox G3 Pro (16GB + 512GB) is the value pick for light office and home-server use.

What is the biggest difference between the Beelink SER9 Max (64GB + 1TB) and the GMKtec NucBox G3 Pro (16GB + 512GB)?

The connectivity and memory class. The Beelink SER9 Max (64GB + 1TB) has 10 Gigabit Ethernet, USB4 with Thunderbolt 3 and 64GB of DDR5, while the GMKtec NucBox G3 Pro (16GB + 512GB) has 2.5G Ethernet, no USB-C and 16GB of DDR4.

Does either mini PC have USB-C or Thunderbolt, Beelink SER9 Max (64GB + 1TB) or GMKtec NucBox G3 Pro (16GB + 512GB)?

Only the Beelink SER9 Max (64GB + 1TB), which has a USB4 Type-C port with Thunderbolt 3 compatibility. The GMKtec NucBox G3 Pro (16GB + 512GB) has no USB-C of any kind.

Who should buy the GMKtec NucBox G3 Pro (16GB + 512GB)?

Budget buyers who need a compact Windows 11 Pro desktop for Office work, streaming and study, or a low-power box for Home Assistant and light Linux server tasks.

Who should buy the Beelink SER9 Max (64GB + 1TB)?

Anyone who wants a quiet eight-core desktop on a fast wired network, uses Thunderbolt docks, or needs more than 64GB of memory and dual Gen 4 storage slots.

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