Seagate vs Toshiba Hard Drives (HDD)

Side-by-side price per gigabyte comparison across 358 products.

As of June 2026, Seagate averages $0.1688/GB across 258 products while Toshiba averages $0.1808/GB across 100 products on BuyPerUnit. Seagate offers 7% better value per gigabyte for hard drives (hdd).

Seagate

Better Value

Avg $/GB$0.1688

Best $/GB$0.0244

Price Range$0.0244 – $4.1250

Products258

Cheapest Product

seagate archive hdd 8tb sata 6gbps 128mb cache sata hard drive (st8000as0002)

8TB · $195.00 · newegg

Toshiba

Avg $/GB$0.1808

Best $/GB$0.0263

Price Range$0.0263 – $2.5698

Products100

Cheapest Product

Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB

16TB · $420.90 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	Seagate	seagate archive hdd 8tb sata 6gbps 128mb cache sata hard drive (st8000as0002)	8TB	$0.0244	$195.00	newegg
1	Toshiba	Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB	16TB	$0.0263	$420.90	newegg
2	Seagate	Seagate Expansion 22TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP22000400)	22 TB	$0.0286	$629.99	amazon
2	Toshiba	Toshiba N300 20TB SATA III 3.5' Internal NAS Hard Drive #HDWG82AXZSTA	20TB	$0.0300	$598.99	newegg
3	Seagate	Seagate Barracuda 24TB Internal Hard Drive, 7200 U/Min, 512MB Cache, SATA 6Gb/s, 3.5" (ST24000DM001)	24 TB	$0.0292	$699.95	amazon
3	Toshiba	TOSHIBA DT01ACA300 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive	3TB	$0.0300	$90.00	newegg
4	Seagate	Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk	8 TB	$0.0294	$234.99	amazon
4	Toshiba	Toshiba N300 16TB SATA III 3.5' Internal NAS Hard Drive #HDWG81GXZSTA	16TB	$0.0312	$498.99	newegg
5	Seagate	Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)	8 TB	$0.0302	$241.80	amazon
5	Toshiba	Toshiba-IMSourcing MG04ACA 6 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 128 MB Buffer	6TB	$0.0313	$188.00	newegg

Which Should You Buy?

Based on current pricing data, Seagate offers better overall value for hard drives (hdd) at an average of $0.1688/GB compared to Toshiba's $0.1808/GB — that's roughly 7% less per gigabyte.

Seagate's best deal is the seagate archive hdd 8tb sata 6gbps 128mb cache sata hard drive (st8000as0002) (8TB) at $0.0244/GB, while Toshiba's cheapest option is the Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB (16TB) at $0.0263/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 Toshiba cheaper per GB for hard drives (hdd)?

As of June 2026, Seagate averages $0.1688/GB compared to Toshiba at $0.1808/GB. Seagate is approximately 7% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 258 Seagate products and 100 Toshiba products in the hard drives (hdd) category, all ranked by price per gigabyte.

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

The cheapest Seagate option is the seagate archive hdd 8tb sata 6gbps 128mb cache sata hard drive (st8000as0002) at $0.0244/GB ($195.00 for 8TB).

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

The cheapest Toshiba option is the Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB at $0.0263/GB ($420.90 for 16TB).

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