The SANDISK 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81400TAN-000E0 costs $0.2500/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 $0.0800/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 68% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81400TAN-000E0 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 | SANDISK 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81400TAN-000E0 | 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 | SanDisk | KingSpec |
| Capacity | 4TB | 4TB |
| $/GB | $0.2500 | $0.0800 |
| Price | $999.99 | $319.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | 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 $0.0800//GB compared to the SANDISK 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81400TAN-000E0 at $0.2500//GB — that's roughly 68% 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 $319.99 at Newegg, while the SANDISK 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81400TAN-000E0 starts at $999.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SANDISK 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81400TAN-000E0 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 SANDISK 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81400TAN-000E0 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 $0.0800//GB compared to SANDISK 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81400TAN-000E0 at $0.2500//GB. That is approximately 68% better value per gigabyte.
What is the price per GB of SANDISK 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81400TAN-000E0?
The SANDISK 4TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81400TAN-000E0 is currently priced at $0.2500/GB ($999.99 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 $319.99 at Newegg, which works out to $0.0800/GB.