Mini PCs · Head to head

Asus NUC 16 Pro (Ultra 7 16GB + 512GB) vs GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)

Full Mini PCs comparison in 2026

Updated October 2026
Data from Amazon and official Asus and GMKtec sites.
2026 verdict
Two business mini PCs, and memory plus price tilt it to the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) over the Asus NUC 16 Pro (Ultra 7 16GB + 512GB).
GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)
Winner
GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)
$589.99
Buy on Amazon USA
The GMKtec NucBox K13 runs 16GB of LPDDR5X-8533 soldered on an Intel Core Ultra 7 256V with Arc 140V graphics and a 47 TOPS NPU, and it usually costs less. The Asus NUC 16 Pro counters with a three-year warranty, dual 2.5G Ethernet, two Thunderbolt 4 ports, two HDMI 2.1 outputs and 16GB of DDR5 in SO-DIMM slots that reach 128GB, but this chassis has no analog audio at all. Choose the GMKtec NucBox K13 for faster memory, the stronger integrated graphics and the lower cost, and the Asus NUC 16 Pro for a managed fleet where warranty, expandable memory and dual wired networking matter more.
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FeatureAsus NUC 16 Pro (Ultra 7 16GB + 512GB)GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)Winner
Price$1548.07$589.99GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)
Rating4.84.7Asus NUC 16 Pro (Ultra 7 16GB + 512GB)
Warranty3 years1 yearAsus NUC 16 Pro (Ultra 7 16GB + 512GB)
Memory TypeDDR5LPDDR5XGMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)
Memory Speed5600 MT/s8533 MT/sGMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)
CPU ModelIntel Core Ultra 7 356HIntel Core Ultra 7 256VDifferent strengths
Memory ConfigurationDual-channelSoldered (non-upgradeable)Different strengths
GPU ModelIntel Graphics (4 Xe-cores)Intel Arc 140VDifferent strengths
NPU ModelIntel NPU 5Intel AI Boost NPU (47 TOPS)Different strengths
Memory Capacity16 GB16 GBTie
Storage Capacity512 GB512 GBTie

What the differences mean

Memory

The GMKtec NucBox K13 uses 16GB of LPDDR5X-8533 soldered to the board, fast but fixed. The Asus NUC 16 Pro uses 16GB of DDR5-5600 in dual-channel SO-DIMM slots that accept up to 128GB, slower today but expandable for years.

Graphics and AI

The GMKtec NucBox K13 pairs Intel Arc 140V graphics (eight Xe-cores) with a 47 TOPS NPU. The Asus NUC 16 Pro's Core Ultra 7 356H includes an Intel NPU, but its graphics are the four Xe-core tier, so the K13 has the stronger integrated GPU.

Warranty

The Asus NUC 16 Pro carries a three-year warranty and the GMKtec NucBox K13 carries one year. For a machine bought to run for years, or a fleet of them, that gap in coverage is the NUC's clearest structural advantage.

Networking

The Asus NUC 16 Pro has two 2.5G Ethernet ports plus Wi-Fi 7 and Bluetooth 6.0, useful for redundancy or segmenting a network. The GMKtec NucBox K13 has a single 5 Gigabit Ethernet port, Wi-Fi 6E and Bluetooth 5.2.

Ports and video

The Asus NUC 16 Pro offers two Thunderbolt 4 ports, two HDMI 2.1 outputs and DisplayPort 2.1, ideal for a multi-monitor desk. The GMKtec NucBox K13 offers two USB4 ports, one HDMI 2.1 output and a 3.5mm audio jack.

Audio and mounting

The Asus NUC 16 Pro has no headphone jack, no speakers and no microphone, so sound has to travel over HDMI, USB or Bluetooth. The GMKtec NucBox K13 keeps a 3.5mm jack; both include a VESA mount and a Kensington lock.

Which one to buy if

Frequently Asked Questions

Which is better overall: Asus NUC 16 Pro (Ultra 7 16GB + 512GB) or GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)?

The GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) is the better pick on value, with faster LPDDR5X-8533 memory, Intel Arc 140V graphics, dual USB4 and a lower cost. The Asus NUC 16 Pro (Ultra 7 16GB + 512GB) answers with a three-year warranty, dual 2.5G Ethernet, two Thunderbolt 4 ports and memory that expands to 128GB.

What is the biggest difference between the Asus NUC 16 Pro (Ultra 7 16GB + 512GB) and the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)?

Memory and serviceability. The GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) has fast LPDDR5X-8533 soldered to the board, while the Asus NUC 16 Pro (Ultra 7 16GB + 512GB) has DDR5 in SO-DIMM slots that reach 128GB and a longer three-year warranty.

Can the memory be upgraded on the Asus NUC 16 Pro (Ultra 7 16GB + 512GB) or the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)?

Only the Asus NUC 16 Pro (Ultra 7 16GB + 512GB) is upgradeable, using dual-channel DDR5 SO-DIMM slots that accept up to 128GB. The GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) has 16GB of LPDDR5X soldered, so its memory is fixed.

Which has better networking and ports, the Asus NUC 16 Pro (Ultra 7 16GB + 512GB) or the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)?

For networking the Asus NUC 16 Pro (Ultra 7 16GB + 512GB) wins with two 2.5G Ethernet ports and Wi-Fi 7. For memory bandwidth and integrated graphics the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB) wins with LPDDR5X-8533 and Arc 140V, and it also keeps a 3.5mm audio jack the NUC lacks.

Who should buy the Asus NUC 16 Pro (Ultra 7 16GB + 512GB)?

Buyers who want a serviceable business desktop with a three-year warranty, dual wired networking, Thunderbolt and memory they can expand to 128GB.

Who should buy the GMKtec NucBox K13 (Ultra 7 256V 16GB + 512GB)?

Anyone who wants the lower cost, faster memory, stronger integrated graphics and dual USB4 in a compact Windows 11 Pro desktop with a 47 TOPS NPU.

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