External vs Sp Silicon Power Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 11 products.
As of March 2026, External averages $0.0281/GB across 1 products while Sp Silicon Power averages $0.1534/GB across 10 products on BuyPerUnit. External offers 82% better value per gigabyte for hard drives & ssds.
External
Better ValueCheapest Product
External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R1TB · $28.11 · newegg
Sp 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 | External | External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R | 1TB | $0.0281 | $28.11 | newegg |
| 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, External offers better overall value for hard drives & ssds at an average of $0.0281/GB compared to Sp Silicon Power's $0.1534/GB — that's roughly 82% less per gigabyte.
External's best deal is the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R (1TB) at $0.0281/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 External or Sp Silicon Power cheaper per GB for hard drives & ssds?
As of March 2026, External averages $0.0281/GB compared to Sp Silicon Power at $0.1534/GB. External is approximately 82% cheaper per gigabyte on average.
How many External and Sp Silicon Power hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 1 External products and 10 Sp Silicon Power products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest External hard drives & ssd per GB?
The cheapest External option is the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R at $0.0281/GB ($28.11 for 1TB).
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).