The WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E) costs $0.1698/GB while the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... costs $0.0800/GB. KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... offers 53% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E) vs KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... — Which Is Better Value?
Specification Comparison
| Spec | WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E) | KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... |
|---|---|---|
| Brand | Western Digital | KingSpec |
| Capacity | 4TB | 4TB |
| $/GB | $0.1698 | $0.0800 |
| Price | $679.00 | $319.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E)
KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop...
Which Should You Buy?
Based on current pricing data, the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... offers better value at $0.0800//GB compared to the WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E) at $0.1698//GB — that's roughly 53% less per gigabyte.
The best deal for the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... is $319.99 at Newegg, while the WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E) starts at $679.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E) and KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... product page for detailed specifications and price history.
Frequently Asked Questions
Is WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E) or KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... a better deal?
As of July 2026, KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... offers better value at $0.0800//GB compared to WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E) at $0.1698//GB. That is approximately 53% better value per gigabyte.
What is the price per GB of WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E)?
The WD_BLACK 4TB SN7100X NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s read, 6,900 MB/s write, 3D NAND, Gaming Storage (WDS400T1X0E) is currently priced at $0.1698/GB ($679.00 for 4TB) at Newegg.
Where can I buy KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... for the cheapest price?
The cheapest price for the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... is $319.99 at Newegg, which works out to $0.0800/GB.