Sp Silicon Power vs Wd_black Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 11 products.
As of March 2026, Sp Silicon Power averages $0.1528/GB across 10 products while Wd_black averages $0.1950/GB across 1 products on BuyPerUnit. Sp Silicon Power offers 22% better value per gigabyte for hard drives & ssds.
Sp Silicon Power
Better ValueCheapest Product
SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)4 TB · $359.97 · amazon
Wd_black
Cheapest Product
WD_BLACK 2TB SN850P NVMe M.2 SSD Officially Licensed Storage Expansion for PS5 Consoles, up to 7,300MB/s, with heatsink - WDBBYV0020BNC-WRSN2 TB · $389.97 · amazon
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | Sp Silicon Power | SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) | 4 TB | $0.0900 | $359.97 | amazon |
| 1 | Wd_black | WD_BLACK 2TB SN850P NVMe M.2 SSD Officially Licensed Storage Expansion for PS5 Consoles, up to 7,300MB/s, with heatsink - WDBBYV0020BNC-WRSN | 2 TB | $0.1950 | $389.97 | amazon |
| 2 | Sp Silicon Power | Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) | 2 TB | $0.1100 | $219.97 | amazon |
| 3 | Sp Silicon Power | Silicon Power 2TB NVMe M.2 PCIe Gen3x4 2280 SSD Solid State Drive (SP002TBP34A60M28) | 2 TB | $0.1350 | $269.97 | amazon |
| 4 | Sp Silicon Power | Silicon Power 1TB A55 M.2 SATA M+B Key SSD Internal Solid State Drive 2280 SU001TBSS3A55M28AB | 1 TB | $0.1400 | $139.97 | amazon |
| 5 | Sp Silicon Power | SP 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SP001TBSS3A55S25) | 1 TB | $0.1440 | $143.97 | amazon |
Which Should You Buy?
Based on current pricing data, Sp Silicon Power offers better overall value for hard drives & ssds at an average of $0.1528/GB compared to Wd_black's $0.1950/GB — that's roughly 22% less per gigabyte.
Sp Silicon Power's best deal is 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) (4 TB) at $0.0900/GB, while Wd_black's cheapest option is the WD_BLACK 2TB SN850P NVMe M.2 SSD Officially Licensed Storage Expansion for PS5 Consoles, up to 7,300MB/s, with heatsink - WDBBYV0020BNC-WRSN (2 TB) at $0.1950/GB.
However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.
Frequently Asked Questions
Is Sp Silicon Power or Wd_black cheaper per GB for hard drives & ssds?
As of March 2026, Sp Silicon Power averages $0.1528/GB compared to Wd_black at $0.1950/GB. Sp Silicon Power is approximately 22% cheaper per gigabyte on average.
How many Sp Silicon Power and Wd_black hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 10 Sp Silicon Power products and 1 Wd_black products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Sp Silicon Power hard drives & ssd per GB?
The cheapest Sp Silicon Power option is 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) at $0.0900/GB ($359.97 for 4 TB).
What is the cheapest Wd_black hard drives & ssd per GB?
The cheapest Wd_black option is the WD_BLACK 2TB SN850P NVMe M.2 SSD Officially Licensed Storage Expansion for PS5 Consoles, up to 7,300MB/s, with heatsink - WDBBYV0020BNC-WRSN at $0.1950/GB ($389.97 for 2 TB).