WD Black SN850X 4TB price tracker
Buy or wait? Tracking began 2026-10-16, so there isn't enough history for a buy/wait call yet. Today the cheapest clean listing is 49% under the typical one.
See the cheapest WD Black SN850X 4TB on eBay — $456 →
Get a price-drop alert
We'll email you when a WD Black SN850X 4TB listing hits your price. One email per drop, unsubscribe in one click.
Where today's prices sit
32 live listings by price (item + shipping). The highlighted bar is the cheapest band.
Price history starts 2026-10-16 — the chart appears after the second daily snapshot.
Cheapest WD Black SN850X 4TB listings right now
| Listing | Condition | Price + ship | ||
|---|---|---|---|---|
 |
Western Digital 4TB NVMe BLACK SN850X M.2 2280 Gen4 PCIe Power loss protection offers | Used | $456 | View on eBay |
 |
4TB NVMe M.2 WD Black SN850X 2280 SSD PCIe Gen4 x4 TLC Power Loss Protection offers | Used | $470 free ship | View on eBay |
 |
4TB NVMe M.2 WD Black SN850X 2280 SSD PCIe Gen4 x4 TLC Power Loss Protection offers | Used | $474 | View on eBay |
 |
Western Digital SN850X 4TB NVMe Internal SSD with Removable Heatsink. | Used | $510 + ship? | View on eBay |
 |
WDS400T2X0E Western Digital Black SN850X 4TB PCIe M.2 2280 Solid State Drive offers | Used | $535 free ship | View on eBay |
 |
WD_BLACK SN850X 1/2/4TB NVMe Internal Gaming SSD with Heatsink WDS400T2XHE-00BCA | New | $610 free ship | View on eBay |
 |
Western Digital WD_BLACK SN850X 4TB NVMe Internal SSD (WDS400T2X0E) offers | Open box | $669 | View on eBay |
 |
WD BLACK SN850X NVMe SSD 4TB NEW Factory Sealed WDS400T2X0E-00BCA0 offers | New | $670 + ship? | View on eBay |
 |
Brand new Western Digital WD_BLACK SN850X 4TB NVMe Internal SSD (WDS400T2X0E) offers | New | $699 free ship | View on eBay |
 |
Western Digital WD_BLACK SN850X 4TB GEN4 : NEVER OPENED NEW | New | $715 | View on eBay |
 |
WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive with Heatsink - W | New | $770 free ship | View on eBay |
 |
WD_BLACK SN850X 4TB NVMe M.2 PCIe Gen4 SSD Heatsink 7300MB/s WDS400T2XHE | New | $774 free ship | View on eBay |
 |
Western Digital WD_BLACK SN850X 4TB with Heatsink WDS800T2XHE-00CDD0 offers | Used | $800 + ship? | View on eBay |
 |
Western Digital WD_BLACK SN850X 4TB NVMe Internal SSD offers | New | $800 + ship? | View on eBay |
 |
Western Digital WDS400T2XHE WD Black SN850X WDS400T2XHE 4 TB Solid State Drive | New | $829 free ship | View on eBay |
 |
SanDisk WDS400T2X0E WD_BLACK SN850X 4TB NVMe PCIe Gen4 x4 M.2 2280 Gaming SSD offers | New | $889 + ship? | View on eBay |
 |
Western Digital WDS400T2XHE WD Black SN850X 4TB NVMe M.2 PCIe Gen4 SSD 7300 MB/s offers | New | $893 + ship? | View on eBay |
 |
WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 | New | $902 free ship | View on eBay |
 |
Western Digital WDS400T2X0E Black SN850X 4TB PCIe 4.0 NVMe M.2 2280 Internal SSD offers | New | $949 free ship | View on eBay |
 |
WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive with Heatsink - | New | $951 free ship | View on eBay |
 |
"NEW" WDS400T2X0E Western Digital BLACK SN850X 4TB PCI-e 4.0 NVMe M.2 2280 SSD offers | Open box | $1,011 free ship | View on eBay |
 |
WD_Black SN850X NVMe SSD 4TB Game Drive (Gen 4) offers | New | $1,104 free ship | View on eBay |
 |
WD Black SN850X 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (P | New | $1,113 free ship | View on eBay |
 |
WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 offers | New | $1,192 free ship | View on eBay |
 |
WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive with Heatsink - offers | New | $1,256 free ship | View on eBay |
 |
4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 WD_BLACK offers | New | $1,258 free ship | View on eBay |
 |
WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 offers | New | $1,264 free ship | View on eBay |
 |
WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 offers | New | $1,293 free ship | View on eBay |
 |
4TB SN850X NVMe Internal Gaming SSD Solid State Drive with Heatsink - WD_BLACK offers | New | $1,325 free ship | View on eBay |
 |
WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive with Heatsink - offers | New | $1,332 free ship | View on eBay |
About these prices
These are asking prices of active fixed-price and best-offer listings from US sellers, item plus shipping (sales tax excluded), checked twice daily. We drop listings whose titles mention parts, damage, untested or non-working condition, lots, bundles, accessories and mismatched models or capacities, plus anything priced far below the pack. Always read the listing before buying. Sellers' spec fields are often wrong — check the model and capacity in the photos.