The fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance... costs $0.0925/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 11% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance... 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 | fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance... | 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 | fanxiang | SP Silicon Power |
| Capacity | 4TB | 4 TB |
| $/GB | $0.0925 | $0.0825 |
| Price | $369.99 | $329.97 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance...
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 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 fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance... at $0.0925//GB — that's roughly 11% 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 fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance... starts at $369.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance... 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 fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance... 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 fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance... at $0.0925//GB. That is approximately 11% better value per gigabyte.
What is the price per GB of fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance...?
The fanxiang 4TB SSD SATA 2.5'' 6Gb/s 3D NAND QLC Internal Solid State Drive, Up to 550 MB/s SLC Cache for Laptop and PC Desktop Storage Performance... is currently priced at $0.0925/GB ($369.99 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.