SanDisk vs Seagate SSDs & NVMe Drives

Side-by-side price per gigabyte comparison across 163 products.

As of August 2026, SanDisk averages $0.2278/GB across 127 products while Seagate averages $0.3259/GB across 36 products on BuyPerUnit. SanDisk offers 30% better value per gigabyte for ssds & nvme drives.

SanDisk

Better Value

Avg $/GB$0.2278

Best $/GB$0.1050

Price Range$0.1050 – $0.4883

Products127

Cheapest Product

SANDISK 8TB Extreme Portable SSD (Old Model) - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-8T00-G25

8 TB · $839.99 · amazon

Seagate

Avg $/GB$0.3259

Best $/GB$0.1360

Price Range$0.1360 – $0.6760

Products36

Cheapest Product

Seagate Genshin Impact Limited Edition 1TB USB-C Portable SSD STMU1000402

1TB · $135.99 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	SanDisk	SANDISK 8TB Extreme Portable SSD (Old Model) - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-8T00-G25	8 TB	$0.1050	$839.99	amazon
1	Seagate	Seagate Genshin Impact Limited Edition 1TB USB-C Portable SSD STMU1000402	1TB	$0.1360	$135.99	newegg
2	SanDisk	SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black	8 TB	$0.1125	$899.99	bestbuy
2	Seagate	Seagate BarraCuda 520 M.2 2280 2TB PCIe G4 x4, NVMe 1.4 Internal Solid State Drive (SSD)	2TB	$0.1401	$280.24	newegg
3	SanDisk	SanDisk 2TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State	2TB	$0.1300	$259.90	newegg
3	Seagate	Seagate BarraCuda Q5 M.2 2280 2TB PCIe Gen3 x4 NVMe 1.3 3D QLC Internal Solid State Drive (SSD) ZP2000CV3A001	2TB	$0.1795	$359.00	newegg
4	SanDisk	WD Blue SA510 2TB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 560 MB/s - WDS	2 TB	$0.1300	$259.99	amazon
4	Seagate	Seagate BarraCuda Q5 M.2 2280 1TB PCIe Gen3 x4 NVMe 1.3 3D QLC Internal Solid State Drive (SSD) ZP1000CV3A001	1TB	$0.1850	$184.99	newegg
5	SanDisk	SanDisk 4TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - SDSSDE52-4T00-AC46	4TB	$0.1325	$530.00	newegg
5	Seagate	Seagate BarraCuda 520 M.2 2280 1TB PCIe G4 x4, NVMe 1.4 Internal Solid State Drive (SSD)	1TB	$0.1990	$199.00	newegg

Which Should You Buy?

Based on current pricing data, SanDisk offers better overall value for ssds & nvme drives at an average of $0.2278/GB compared to Seagate's $0.3259/GB — that's roughly 30% less per gigabyte.

SanDisk's best deal is the SANDISK 8TB Extreme Portable SSD (Old Model) - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-8T00-G25 (8 TB) at $0.1050/GB, while Seagate's cheapest option is the Seagate Genshin Impact Limited Edition 1TB USB-C Portable SSD STMU1000402 (1TB) at $0.1360/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 SanDisk or Seagate cheaper per GB for ssds & nvme drives?

As of August 2026, SanDisk averages $0.2278/GB compared to Seagate at $0.3259/GB. SanDisk is approximately 30% cheaper per gigabyte on average.

How many SanDisk and Seagate ssds & nvme drives does BuyPerUnit track?

BuyPerUnit currently tracks 127 SanDisk products and 36 Seagate products in the ssds & nvme drives category, all ranked by price per gigabyte.

What is the cheapest SanDisk ssds & nvme drive per GB?

The cheapest SanDisk option is the SANDISK 8TB Extreme Portable SSD (Old Model) - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-8T00-G25 at $0.1050/GB ($839.99 for 8 TB).

What is the cheapest Seagate ssds & nvme drive per GB?

The cheapest Seagate option is the Seagate Genshin Impact Limited Edition 1TB USB-C Portable SSD STMU1000402 at $0.1360/GB ($135.99 for 1TB).

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