The WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E costs $0.1500/GB while the KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... costs $0.0802/GB. KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... offers 47% 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 SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E vs KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... — Which Is Better Value?
Specification Comparison
| Spec | WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E | KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... |
|---|---|---|
| Brand | Western Digital | KingSpec |
| Capacity | 4TB | 4TB |
| $/GB | $0.1500 | $0.0802 |
| Price | $599.99 | $320.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E
KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop...
Which Should You Buy?
Based on current pricing data, the KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... offers better value at $0.0802//GB compared to the WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E at $0.1500//GB — that's roughly 47% less per gigabyte.
The best deal for the KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... is $320.99 at Newegg, while the WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E starts at $599.99 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 SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E and KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... product page for detailed specifications and price history.
Frequently Asked Questions
Is WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E or KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... a better deal?
As of July 2026, KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... offers better value at $0.0802//GB compared to WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E at $0.1500//GB. That is approximately 47% better value per gigabyte.
What is the price per GB of WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E?
The WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2X0E is currently priced at $0.1500/GB ($599.99 for 4TB) at Newegg.
Where can I buy KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... for the cheapest price?
The cheapest price for the KingSpec ONEBOOM Gaming Series S5 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 550MB/s, laptop... is $320.99 at Newegg, which works out to $0.0802/GB.