Western Digital
NVMe SSD
Western Digital WD_Black SN8100 4TB NVMe
4TB · NVMe · M.2
Available capacities:
2TB$479.99best $/GB here4TBviewingbest $/GB here
Current Price
$699.99
All-Time Low
$379.99
Oct 2025
All-Time High
$1,299.99
Mar 2026
90-Day Average
$688.09
Price per GB: $0.171/GB · near the segment median for NVMe SSD (median: $0.181/GB)
Above its recent average
Current price is 2% above the 90-day average.
Price History
Price history data licensed from Keepa. Prices update every few hours.
Price history table19 periods
Recorded low, average and high for every period with data.
| Period | Low | Average | High | Days |
|---|---|---|---|---|
| Apr 2025 | $628.99 | $628.99 | $628.99 | 1 |
| May 2025 | $549.99 | $549.99 | $549.99 | 2 |
| Jun 2025 | $479.99 | $489.99 | $499.99 | 2 |
| Jul 2025 | $447.36 | $477.89 | $499.99 | 6 |
| Aug 2025 | $449.99 | $449.99 | $449.99 | 1 |
| Sep 2025 | $429.99 | $436.66 | $449.99 | 3 |
| Oct 2025 | $379.99 | $399.83 | $419.99 | 6 |
| Nov 2025 | $419.00 | $429.66 | $449.99 | 3 |
| Dec 2025 | $449.99 | $487.49 | $549.99 | 4 |
| Jan 2026 | $575.00 | $878.40 | $972.00 | 21 |
| Feb 2026 | $849.95 | $872.77 | $894.98 | 18 |
| Mar 2026 | $849.90 | $948.68 | $1,299.99 | 16 |
| Apr 2026 | $999.99 | $1,144.99 | $1,289.99 | 2 |
| May 2026 | $689.00 | $756.33 | $789.99 | 3 |
| Jun 2026 | $669.99 | $737.49 | $789.99 | 4 |
| Jul 2026 | $699.99 | $699.99 | $699.99 | 11 |
| Aug 2026 | $659.99 | $670.31 | $699.99 | 31 |
| Sep 2026 | $659.99 | $694.96 | $849.00 | 30 |
| Oct 2026 | $699.99 | $699.99 | $699.99 | 28 |
Price milestones
Dated events from this product's own tracked history.
- First tracked
- April 16, 2025
- All-time low
- $379.99 on October 8, 2025
- All-time high
- $1,299.99 on March 28, 2026
- Longest stretch without a real move
- 34 days, July 5, 2026 to August 8, 2026
Compared with similar drives right now
Same capacity and specification, in stock, priced per gigabyte against this one.
| Product | Price | Per GB | vs this |
|---|---|---|---|
| Western Digital WD_Black SN850X 4TB NVMe No Heatsink | $789.99 | $0.193/GB | +13% |
| Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe | $534.97 | $0.131/GB | -24% |
| Lexar 4TB NM790 PCIe Gen4 NVMe M.2 | $707.24 | $0.173/GB | +1% |
| Samsung 990 PRO 4TB NVMe | $799.90 | $0.195/GB | +14% |
| Acer Predator GM7 4TB : M.2 2280 PCIe NVMe | $908.88 | $0.222/GB | +30% |
Buy Now
| Retailer | Price | Availability | |
|---|---|---|---|
| Amazon | $699.99 | In Stock | View on Amazon → |
| Newegg | $859.99 | In Stock | View on Newegg → |
Prices may have changed at the retailers since our last check.
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Specifications
- Type
- NVMe
- Capacity
- 4TB
- Form Factor
- M.2
- Price per GB
- $0.17 · 8th of 19 4TB NVMe M.2 drives
- Brand
- Western Digital
- Part number
- WDS400T1X0M
