Iflash vs Sp Silicon Power Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 11 products.
As of March 2026, Iflash averages $0.0520/GB across 1 products while Sp Silicon Power averages $0.1534/GB across 10 products on BuyPerUnit. Iflash offers 66% better value per gigabyte for hard drives & ssds.
Iflash
Better ValueSp Silicon Power
Cheapest 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
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | Iflash | IFLASH 1TB Portable External Hard Drive | 1 TB | $0.0520 | $51.99 | amazon |
| 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 |
| 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, Iflash offers better overall value for hard drives & ssds at an average of $0.0520/GB compared to Sp Silicon Power's $0.1534/GB — that's roughly 66% less per gigabyte.
Iflash's best deal is the IFLASH 1TB Portable External Hard Drive (1 TB) at $0.0520/GB, while Sp Silicon Power's cheapest 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) (4 TB) at $0.0900/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 Iflash or Sp Silicon Power cheaper per GB for hard drives & ssds?
As of March 2026, Iflash averages $0.0520/GB compared to Sp Silicon Power at $0.1534/GB. Iflash is approximately 66% cheaper per gigabyte on average.
How many Iflash and Sp Silicon Power hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 1 Iflash products and 10 Sp Silicon Power products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Iflash hard drives & ssd per GB?
The cheapest Iflash option is the IFLASH 1TB Portable External Hard Drive at $0.0520/GB ($51.99 for 1 TB).
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).