Data from Amazon and official Beelink and GMKtec sites.
2026 verdict
GMKtec NucBox M5 Ultra (32GB + 512GB) has the better all-around case than Beelink SER3 (16GB + 500GB) in 2026, starting with memory speed, memory capacity, and storage capacity. The main reason it wins is memory speed, memory capacity, and storage capacity, and its broader overall balance strengthens that case. Choose Beelink SER3 (16GB + 500GB) only if price, rating, and warranty matter more to you than the broader advantage from GMKtec NucBox M5 Ultra (32GB + 512GB). For most setups, GMKtec NucBox M5 Ultra (32GB + 512GB) is the smarter buy.
| Feature | Beelink SER3 (16GB + 500GB) | GMKtec NucBox M5 Ultra (32GB + 512GB) | Winner |
|---|---|---|---|
| Price | $269.00 | $499.98 | Beelink SER3 (16GB + 500GB) |
| Rating | 4.4 | 4.3 | Beelink SER3 (16GB + 500GB) |
| Warranty | 3 years | 1 year | Beelink SER3 (16GB + 500GB) |
| Memory Speed | 2400 MT/s | 3200 MT/s | GMKtec NucBox M5 Ultra (32GB + 512GB) |
| 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 | AMD Ryzen 3 3200U | AMD Ryzen 7 7730U | Different strengths |
| Memory Configuration | Dual-slot | Dual-channel | Different strengths |
| GPU Model | AMD Radeon Vega 3 | AMD Radeon Graphics (8 cores, up to 2000 MHz) | Different strengths |
| Memory Type | DDR4 | DDR4 | Tie |
25% OFF
$269.00
$359.00
- + Price: $269.00
- + Rating: 4.4
- + Warranty: 3 years
- - Memory Speed: 2400 MT/s vs 3200 MT/s
- - Memory Capacity: 16 GB vs 32 GB
Winner
$499.98
- + Memory Speed: 3200 MT/s
- + Memory Capacity: 32 GB
- + Storage Capacity: 512 GB
- - Price: $499.98 vs $269.00
- - Rating: 4.3 vs 4.4
Frequently Asked Questions
Which is better overall: Beelink SER3 (16GB + 500GB) or GMKtec NucBox M5 Ultra (32GB + 512GB)?
GMKtec NucBox M5 Ultra (32GB + 512GB) has the stronger overall profile in this comparison, especially for memory speed, memory capacity, and storage capacity.
What is the biggest difference between Beelink SER3 (16GB + 500GB) and GMKtec NucBox M5 Ultra (32GB + 512GB)?
Price is one of the clearest differences: Beelink SER3 (16GB + 500GB) lists $269.00, while GMKtec NucBox M5 Ultra (32GB + 512GB) lists $499.98.
Which one looks better on price?
Beelink SER3 (16GB + 500GB) is listed at $269.00, while GMKtec NucBox M5 Ultra (32GB + 512GB) is listed at $499.98. Beelink SER3 (16GB + 500GB) (better spec).
Who should buy Beelink SER3 (16GB + 500GB)?
Choose Beelink SER3 (16GB + 500GB) if your priority is price and rating and that matters more than memory speed.
Who should buy GMKtec NucBox M5 Ultra (32GB + 512GB)?
Choose GMKtec NucBox M5 Ultra (32GB + 512GB) if your priority is memory speed and memory capacity and that matters more than price.
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$689.00
AsusNUC 15 Pro+ (Ultra 9 32GB + 1TB)
$1899.00
GeekomA9 Mega (64GB + 1TB)
$2399.00
AsusNUC 13 Pro Slim (i7 16GB + 512GB)
$949.99
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8% OFF$2830.78$2599.00
BeelinkGTi15 Ultra (64GB + 1TB)
$1499.00
GeekomA5 Pro 2026 Edition (16GB + 1TB)
$569.00
AppleMac Mini (M4 Pro 24GB + 512GB)
7% OFF$1599.00$1491.50
BeelinkSER8 (32GB + 1TB)
$939.00
AppleMac Mini (M4 16GB + 512GB)
$1327.79
AppleMac Mini (M2 Pro 16GB + 512GB)
$1273.46
BeelinkSER5 Pro (16GB + 480GB)
$389.00
BeelinkSEi14 (32GB + 1TB)
$829.00
GeekomIT13 (1TB)
$799.00
GeekomIT13 (2TB)
$599.00
GeekomIT15 (32GB + 1TB)
10% OFF$1299.00$1169.10
BeelinkMini S12 (N95 8GB + 480GB)
$299.00
GeekomA8 Max (Ryzen 9)
14% OFF$1099.00$949.00
AsusNUC 16 Pro (Ultra 7 16GB + 512GB)
$1549.00- Beelink
SER3 (16GB + 500GB)
25% OFF$359.00$269.00
Mini PCsBeelinkEQi 304 (24GB + 512GB)
$629.00
Mini PCsBeelinkGTi14 (32GB + 1TB)
$1049.00- Mini PCsBeelink
GTi15 Ultra (64GB + 1TB)
$1499.00 
Mini PCsBeelinkGTR9 Pro (128GB + 2TB)
$3649.00- Mini PCsBeelink
Mini S12 (N95 8GB + 480GB)
$299.00 
Mini PCsBeelinkMini S12 Pro (N100 16GB + 500GB)
15% OFF$399.00$339.00
Mini PCsBeelinkMini S13 (N150 16GB + 500GB)
$349.00- Mini PCsBeelink
SEi14 (32GB + 1TB)
$829.00 
Mini PCsBeelinkSER10 Max (32GB + 1TB)
5% OFF$1299.00$1234.00- Mini PCsBeelink
SER3 (16GB + 500GB)
25% OFF$359.00$269.00 - Mini PCsBeelink
SER5 Pro (16GB + 480GB)
$389.00 - Mini PCsBeelink
SER8 (32GB + 1TB)
$939.00 
Mini PCsBeelinkSER9 Max (64GB + 1TB)
$1149.00- Mini PCsBeelink
SER9 Pro (24GB + 1TB)
$689.00
