WD Blue SN5100 4TB PCIe Gen 4 NVMe M.2 Internal SSD

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$399.99~~$838.99~~-52%Micro Center

Micro Center has WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4 x4 on sale for $399.99, down from $838.99. In-store pickup only, limit 2 per household.

Posted September 2, 2026. Price and availability are whatever the retailer says right now.

4TB capacity in an M.2 2280 form factor with a PCIe Gen 4 x4 interface
3D QLC NAND with Sandisk nCache 4.0 for faster large-file transfers
Rated up to 6,900MB/s read and 6,700MB/s write speeds
1,200 TBW endurance rating with a 5-year limited warranty
Bundled 60-day free tech support from Micro Center

This is a big-capacity Gen4 drive at a price that undercuts most 4TB competitors on the same page, but it's QLC, not TLC, so sustained write performance can dip on very large transfers. It's also in-store pickup only — no shipping — and there's a further $20 off if you're approved for Micro Center's store credit card, which isn't guaranteed.

Check the current price at Micro Center

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WD Blue SN5100 4TB PCIe Gen 4 NVMe M.2 Internal SSD

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