The WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds costs $0.1475/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 44% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds 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?
WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds
Specification Comparison
| Spec | WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds | 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 | $0.1475 | $0.0825 |
| Price | $589.99 | $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 WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds at $0.1475//GB — that's roughly 44% 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 WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds starts at $589.99 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 Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds 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 WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds 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 WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds at $0.1475//GB. That is approximately 44% better value per gigabyte.
What is the price per GB of WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds?
The WD Blue SN5100 4TB NVMe SSD, PCIe Gen 4.0, up to 6,900 MB/s read speeds is currently priced at $0.1475/GB ($589.99 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.