Samsung vs Seagate Hard Drives (HDD)

Side-by-side price per gigabyte comparison across 77 products.

As of May 2026, Samsung averages $0.4895/GB across 12 products while Seagate averages $0.0472/GB across 65 products on BuyPerUnit. Seagate offers 90% better value per gigabyte for hard drives (hdd).

Samsung

Avg $/GB$0.4895

Best $/GB$0.2750

Price Range$0.2750 – $0.7030

Products12

Cheapest Product

Samsung T7 Shield 4TB Portable SSD - 1050MB/s, Rugged, Water & Dust Resistant, for Content Creators - Black

4 TB · $1099.99 · amazon

Seagate

Better Value

Avg $/GB$0.0472

Best $/GB$0.0227

Price Range$0.0227 – $0.2380

Products65

Cheapest Product

Seagate Expansion 22TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP22000400)

22 TB · $499.99 · amazon

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	Samsung	Samsung T7 Shield 4TB Portable SSD - 1050MB/s, Rugged, Water & Dust Resistant, for Content Creators - Black	4 TB	$0.2750	$1099.99	amazon
1	Seagate	Seagate Expansion 22TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP22000400)	22 TB	$0.0227	$499.99	amazon
2	Samsung	Samsung - Pro Plus 1 TB microSDXC Memory Card	1 TB	$0.3200	$319.99	bestbuy
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	Samsung	Samsung - Pro Ultimate and Adapter 512GB microSDXC Memory Card	512 GB	$0.3906	$199.99	bestbuy
3	Seagate	Seagate Exos 7E8 Enterprise Capacity 3.5 HDD 8TB 7200 RPM SATA 6Gb/s 4Kn 256MB Cache 3.5-Inch Enterprise Hard Disk Drive ST8000NM0045 (Renewed)	8 TB	$0.0269	$215.00	amazon
4	Samsung	Samsung - microSDXC T7 512GB, Transfer Speeds Up to 170 MB/s (MB-MB512T/WW)	512 GB	$0.4433	$226.99	bestbuy
4	Seagate	Seagate 8TB Terascale Enterprise HDD 7200RPM 256MB Cache SATA 6Gb/s 64MB Cache 3.5-Inch Internal Hard Drive (ST8000NC0002) (Renewed)	8 TB	$0.0274	$219.50	amazon
5	Samsung	Samsung - microSDXC T7 256GB, Transfer Speeds Up to 170 MB/s (MB-MB256T/WW)	256 GB	$0.4453	$113.99	bestbuy
5	Seagate	Seagate Exos 7E8 8TB 512e SATA 256MB Cache 3.5-Inch Enterprise Hard Drive (ST8000NM0055) (Renewed)	8 TB	$0.0288	$230.00	amazon

Which Should You Buy?

Based on current pricing data, Seagate offers better overall value for hard drives (hdd) at an average of $0.0472/GB compared to Samsung's $0.4895/GB — that's roughly 90% less per gigabyte.

Seagate's best deal is the Seagate Expansion 22TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP22000400) (22 TB) at $0.0227/GB, while Samsung's cheapest option is the Samsung T7 Shield 4TB Portable SSD - 1050MB/s, Rugged, Water & Dust Resistant, for Content Creators - Black (4 TB) at $0.2750/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 Samsung or Seagate cheaper per GB for hard drives (hdd)?

As of May 2026, Seagate averages $0.0472/GB compared to Samsung at $0.4895/GB. Seagate is approximately 90% cheaper per gigabyte on average.

How many Samsung and Seagate hard drives (hdd) does BuyPerUnit track?

BuyPerUnit currently tracks 12 Samsung products and 65 Seagate products in the hard drives (hdd) category, all ranked by price per gigabyte.

What is the cheapest Samsung hard drives (hdd) per GB?

The cheapest Samsung option is the Samsung T7 Shield 4TB Portable SSD - 1050MB/s, Rugged, Water & Dust Resistant, for Content Creators - Black at $0.2750/GB ($1099.99 for 4 TB).

What is the cheapest Seagate hard drives (hdd) per GB?

The cheapest Seagate option is the Seagate Expansion 22TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP22000400) at $0.0227/GB ($499.99 for 22 TB).

Explore More

All Hard Drives (HDD)Samsung Hard Drives (HDD)Seagate Hard Drives (HDD)

View all Hard Drives (HDD)