Silicon Power
Prices
Silicon Power XPOWER UD90 2x80
12 offers at 3 retailers · from $99 (500GB at Amazon)
Score 6.3 · Basic for PCIe Gen4-class
5,000 read · 4,800 write MB/s
M.2 2280
NVMe PCIe Gen4 (64 Gbps)
HMB (DRAM-less)
5-year warranty
Single-sided
Gen 4 average best price $0.184/GB
→ Holding (0.0% since last reported)
Snapshot Nov 2, 2026
250GB
200 TBW
Best:
$113 at Amazon
· $0.452/GB
145% above the average best Gen 4 price ($0.184/GB)
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Current $
500GB
300 TBW
Best:
$99 at Amazon
· $0.198/GB
7% above the average best Gen 4 price ($0.184/GB)
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1TB
600 TBW
Best:
$169 at B&H and Newegg
· $0.169/GB
8% below the average best Gen 4 price ($0.184/GB)
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Current $
Walmart
Out of Stock
Nov 2, 2026
2TB
1,200 TBW
Best:
$289 at Amazon and Newegg
· $0.145/GB
21% below the average best Gen 4 price ($0.184/GB)
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Best Buy
Out of Stock
Nov 2, 2026
4TB
2,400 TBW
Best:
$579 at Amazon and B&H
· $0.145/GB
21% below the average best Gen 4 price ($0.184/GB)
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Price
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Current $
Newegg
Out of Stock
Nov 2, 2026
- Sold on the retailer's site by a third-party seller.