External vs Seagate Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 44 products.
As of March 2026, External averages $0.0281/GB across 1 products while Seagate averages $0.0642/GB across 43 products on BuyPerUnit. External offers 56% 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
Seagate
Cheapest Product
Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)8 TB · $195.35 · 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 | Seagate | Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) | 8 TB | $0.0244 | $195.35 | amazon |
| 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, External offers better overall value for hard drives & ssds at an average of $0.0281/GB compared to Seagate's $0.0642/GB — that's roughly 56% 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 Seagate's cheapest option is the Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400) (8 TB) at $0.0244/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 Seagate cheaper per GB for hard drives & ssds?
As of March 2026, External averages $0.0281/GB compared to Seagate at $0.0642/GB. External is approximately 56% cheaper per gigabyte on average.
How many External and Seagate hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 1 External products and 43 Seagate 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 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).