Seagate vs Silicon Power Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 44 products.
As of March 2026, Seagate averages $0.0641/GB across 43 products while Silicon Power averages $0.1587/GB across 1 products on BuyPerUnit. Seagate offers 60% better value per gigabyte for hard drives & ssds.
Seagate
Better ValueCheapest Product
Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)8 TB · $195.35 · amazon
Silicon Power
Cheapest Product
SSD Solid State Drive 2.5'' R-Rem-SLL-A55 For SP Silicon Power A55 256GB A 55256GB · $40.63 · newegg
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | Seagate | Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) | 8 TB | $0.0244 | $195.35 | amazon |
| 1 | Silicon Power | SSD Solid State Drive 2.5'' R-Rem-SLL-A55 For SP Silicon Power A55 256GB A 55 | 256GB | $0.1587 | $40.63 | newegg |
| 2 | Seagate | Seagate - Game Drive for Xbox 8TB External USB 3.2 Gen 1 Desktop Hard Drive with Certified Xbox Green LED Lighting - Black | 8 TB | $0.0250 | $199.99 | bestbuy |
| 3 | Seagate | Seagate - Barracuda 8TB Internal Hard Drive for Desktops | 8 TB | $0.0250 | $199.99 | bestbuy |
| 4 | Seagate | Seagate - IronWolf Pro 16TB NAS Internal Hard Drive with Rescue Data Recovery Services | 16 TB | $0.0250 | $399.99 | bestbuy |
| 5 | Seagate | Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004) | 8 TB | $0.0250 | $199.99 | amazon |
Which Should You Buy?
Based on current pricing data, Seagate offers better overall value for hard drives & ssds at an average of $0.0641/GB compared to Silicon Power's $0.1587/GB — that's roughly 60% less per gigabyte.
Seagate's best deal is the Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) (8 TB) at $0.0244/GB, while Silicon Power's cheapest option is the SSD Solid State Drive 2.5'' R-Rem-SLL-A55 For SP Silicon Power A55 256GB A 55 (256GB) at $0.1587/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 Seagate or Silicon Power cheaper per GB for hard drives & ssds?
As of March 2026, Seagate averages $0.0641/GB compared to Silicon Power at $0.1587/GB. Seagate is approximately 60% cheaper per gigabyte on average.
How many Seagate and Silicon Power hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 43 Seagate products and 1 Silicon Power products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest Seagate hard drives & ssd per GB?
The cheapest Seagate option is the Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) at $0.0244/GB ($195.35 for 8 TB).
What is the cheapest Silicon Power hard drives & ssd per GB?
The cheapest Silicon Power option is the SSD Solid State Drive 2.5'' R-Rem-SLL-A55 For SP Silicon Power A55 256GB A 55 at $0.1587/GB ($40.63 for 256GB).