The SANDISK - WD Blue SN5100 4TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops costs $0.2300/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 $0.0875/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 62% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK - WD Blue SN5100 4TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops 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?
Specification Comparison
| Spec | SANDISK - WD Blue SN5100 4TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops | 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 | 4 TB | 4 TB |
| $/GB | $0.2300 | $0.0875 |
| Price | $919.99 | $349.97 |
| Retailer | Best Buy | 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 $0.0875//GB compared to the SANDISK - WD Blue SN5100 4TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops at $0.2300//GB — that's roughly 62% 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 $349.97 at Amazon, while the SANDISK - WD Blue SN5100 4TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops starts at $919.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SANDISK - WD Blue SN5100 4TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops 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 SANDISK - WD Blue SN5100 4TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops 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 May 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 $0.0875//GB compared to SANDISK - WD Blue SN5100 4TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops at $0.2300//GB. That is approximately 62% better value per gigabyte.
What is the price per GB of SANDISK - WD Blue SN5100 4TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops?
The SANDISK - WD Blue SN5100 4TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops is currently priced at $0.2300/GB ($919.99 for 4 TB) at Best Buy.
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 $349.97 at Amazon, which works out to $0.0875/GB.