The WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink costs $0.2350/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 $0.0775/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 67% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink 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?
WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink
Specification Comparison
| Spec | WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink | 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 | 4 TB | 4TB |
| $/GB | $0.2350 | $0.0775 |
| Price | $939.99 | $309.99 |
| Retailer | Amazon | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | N/A | ssd |
Price Across Retailers
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 $0.0775//GB compared to the WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink at $0.2350//GB — that's roughly 67% 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 $309.99 at Newegg, while the WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink starts at $939.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink 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 SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink 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 June 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 $0.0775//GB compared to WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink at $0.2350//GB. That is approximately 67% better value per gigabyte.
What is the price per GB of WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink?
The WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink is currently priced at $0.2350/GB ($939.99 for 4 TB) at Amazon.
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 $309.99 at Newegg, which works out to $0.0775/GB.