Hdd vs Seagate Hard Drives & SSDs

Side-by-side price per gigabyte comparison across 46 products.

As of March 2026, Hdd averages $3.6630/GB across 3 products while Seagate averages $0.0641/GB across 43 products on BuyPerUnit. Seagate offers 98% better value per gigabyte for hard drives & ssds.

Hdd

Avg $/GB$3.6630

Best $/GB$0.2282

Price Range$0.2282 – $10.3308

Products3

Cheapest Product

HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive

500GB · $114.11 · newegg

Seagate

Better Value

Avg $/GB$0.0641

Best $/GB$0.0244

Price Range$0.0244 – $0.2400

Products43

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	Hdd	HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive	500GB	$0.2282	$114.11	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	Hdd	HDD For Hard Disk 300GB 15K FC 3.5' Hard Drive DS4700 DS5020 42D0417 42D0410 5414	300GB	$0.4300	$129.00	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	Hdd	HDD For Hard Disk X3650M5 X3850X6 00WG685 00WG686 300G 10K 12GB 2.5' Hard Drive	12GB	$10.3308	$123.97	newegg
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 Hdd's $3.6630/GB — that's roughly 98% 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 Hdd's cheapest option is the HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive (500GB) at $0.2282/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 Hdd or Seagate cheaper per GB for hard drives & ssds?

As of March 2026, Seagate averages $0.0641/GB compared to Hdd at $3.6630/GB. Seagate is approximately 98% cheaper per gigabyte on average.

How many Hdd and Seagate hard drives & ssds does BuyPerUnit track?

BuyPerUnit currently tracks 3 Hdd products and 43 Seagate products in the hard drives & ssds category, all ranked by price per gigabyte.

What is the cheapest Hdd hard drives & ssd per GB?

The cheapest Hdd option is the HDD For Hard Disk X3550M3 M4 X3650M3 M4 81Y9726 81Y9727 500GB 7.2K SATA 2.5' Hard Drive at $0.2282/GB ($114.11 for 500GB).

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).

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