Geekom A9 Mega (128GB + 2TB) vs GMKtec NucBox G3S (8GB + 256GB) comparison

Updated September 2026

Data from Amazon and official Geekom and GMKtec sites.

2026 verdict

In this 2026 Geekom A9 Mega (128GB + 2TB) vs GMKtec NucBox G3S (8GB + 256GB) comparison, Geekom A9 Mega (128GB + 2TB) comes out ahead thanks to rating, warranty, and memory type. It separates itself most clearly on rating, warranty, and memory type, while still looking better on memory capacity and storage capacity. GMKtec NucBox G3S (8GB + 256GB) is the better fit only for buyers who prioritize price above everything else here. For the average buyer, Geekom A9 Mega (128GB + 2TB) is the safer choice.

Winner

Geekom

Geekom A9 Mega (128GB + 2TB)

5% OFF

$3799.04

$3999.00

Buy on Amazon USA Buy on Amazon Canada

GMKtec

GMKtec NucBox G3S (8GB + 256GB)

$349.99

Buy on Amazon USA

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Feature	Geekom A9 Mega (128GB + 2TB)	GMKtec NucBox G3S (8GB + 256GB)	Winner
Price	$3799.04	$349.99	GMKtec NucBox G3S (8GB + 256GB)
Rating	4.5	4.3	Geekom A9 Mega (128GB + 2TB)
Warranty	3 years	1 year	Geekom A9 Mega (128GB + 2TB)
Memory Type	LPDDR5X	DDR4	Geekom A9 Mega (128GB + 2TB)
Memory Capacity	128 GB	8 GB	Geekom A9 Mega (128GB + 2TB)
Storage Capacity	2 TB	256 GB	Geekom A9 Mega (128GB + 2TB)
CPU Model	AMD Ryzen AI Max+ 395	Intel Processor N95	Different strengths
Memory Configuration	Soldered (non-upgradeable)	Single-channel	Different strengths
GPU Model	AMD Radeon 8060S Graphics	Intel UHD Graphics (up to 1200 MHz)	Different strengths

Winner

Geekom

Geekom A9 Mega (128GB + 2TB)

5% OFF

$3799.04

$3999.00

Buy on Amazon USA Buy on Amazon Canada

+ Rating: 4.5
+ Warranty: 3 years
+ Memory Type: LPDDR5X
- Price: $3799.04 vs $349.99

GMKtec

GMKtec NucBox G3S (8GB + 256GB)

$349.99

Buy on Amazon USA

+ Price: $349.99
- Rating: 4.3 vs 4.5
- Warranty: 1 year vs 3 years

Frequently Asked Questions

Which is better overall: Geekom A9 Mega (128GB + 2TB) or GMKtec NucBox G3S (8GB + 256GB)?

Geekom A9 Mega (128GB + 2TB) has the stronger overall profile in this comparison, especially for rating, warranty, and memory type.

What is the biggest difference between Geekom A9 Mega (128GB + 2TB) and GMKtec NucBox G3S (8GB + 256GB)?

Price is one of the clearest differences: Geekom A9 Mega (128GB + 2TB) lists $3799.04, while GMKtec NucBox G3S (8GB + 256GB) lists $349.99.

Which one looks better on price?

Geekom A9 Mega (128GB + 2TB) is listed at $3799.04, while GMKtec NucBox G3S (8GB + 256GB) is listed at $349.99. GMKtec NucBox G3S (8GB + 256GB) (better spec).

Who should buy Geekom A9 Mega (128GB + 2TB)?

Choose Geekom A9 Mega (128GB + 2TB) if your priority is rating and warranty and that matters more than price.

Who should buy GMKtec NucBox G3S (8GB + 256GB)?

Choose GMKtec NucBox G3S (8GB + 256GB) if your priority is price and that matters more than rating.

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