The 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 costs $0.1975/GB while the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) costs $0.0825/GB. SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers 58% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 vs SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) — Which Is Better Value?
4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0
Specification Comparison
| Spec | 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 | SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) |
|---|---|---|
| Brand | Western Digital | SP Silicon Power |
| Capacity | 4TB | 4 TB |
| $/GB | $0.1975 | $0.0825 |
| Price | $789.99 | $329.97 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers better value at $0.0825//GB compared to the 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 at $0.1975//GB — that's roughly 58% less per gigabyte.
The best deal for the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is $329.97 at Amazon, while the 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 starts at $789.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 and SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) product page for detailed specifications and price history.
Frequently Asked Questions
Is 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 or SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) a better deal?
As of June 2026, SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers better value at $0.0825//GB compared to 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 at $0.1975//GB. That is approximately 58% better value per gigabyte.
What is the price per GB of 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0?
The 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 is currently priced at $0.1975/GB ($789.99 for 4TB) at Newegg.
Where can I buy SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) for the cheapest price?
The cheapest price for the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is $329.97 at Amazon, which works out to $0.0825/GB.