Seagate vs Western Digital SSDs & NVMe Drives

Side-by-side price per gigabyte comparison across 145 products.

As of July 2026, Seagate averages $0.2823/GB across 32 products while Western Digital averages $0.2414/GB across 113 products on BuyPerUnit. Western Digital offers 15% better value per gigabyte for ssds & nvme drives.

Seagate

Avg $/GB$0.2823

Best $/GB$0.1401

Price Range$0.1401 – $0.6229

Products32

Cheapest Product

Seagate BarraCuda 520 M.2 2280 2TB PCIe G4 x4, NVMe 1.4 Internal Solid State Drive (SSD)

2TB · $280.24 · newegg

Western Digital

Better Value

Avg $/GB$0.2414

Best $/GB$0.1075

Price Range$0.1075 – $0.6360

Products113

Cheapest Product

Western Digital WD_BLACK SN850P NVMe SSD for PS5 consoles M.2 2280 8TB PCI-Express 4.0 x4 Internal Solid State Drive (SSD) WDBBYV0080BNC-WRSN

8TB · $860.00 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	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
1	Western Digital	Western Digital WD_BLACK SN850P NVMe SSD for PS5 consoles M.2 2280 8TB PCI-Express 4.0 x4 Internal Solid State Drive (SSD) WDBBYV0080BNC-WRSN	8TB	$0.1075	$860.00	newegg
2	Seagate	Seagate Genshin Impact Limited Edition 1TB USB-C Portable SSD STMU1000402	1TB	$0.1460	$145.99	newegg
2	Western Digital	Western Digital 4TB WD Blue SN5000 NVMe Internal Solid State Drive SSD - PCIe Gen 4.0, M.2 2280, Up to 5,500 MB/s - WDS400T4B0E [New Generation]	4 TB	$0.1113	$445.00	amazon
3	Seagate	Seagate One Touch SSD 2TB External SSD Portable - Silver, Speeds up to 1030MB/s, with Android App, 1yr Mylio Create, 4mo Adobe Creative Cloud...	2TB	$0.1640	$327.99	newegg
3	Western Digital	Western Digital BLACK P50 4TB USB 3.2 Gen 2x2, USB-C Game Drive SSD	4TB	$0.1165	$465.99	newegg
4	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	Western Digital	Western Digital 4TB WD Blue SN5000 NVMe SSD, PCIe Gen 4.0, up to 5,500 MB/s Read Speeds Internal Solid State Drive (SSD) WDS400T4B0E	4TB	$0.1175	$470.00	newegg
5	Seagate	Seagate BarraCuda Q5 M.2 2280 1TB PCIe Gen3 x4 NVMe 1.3 3D QLC Internal Solid State Drive (SSD) ZP1000CV3A001	1TB	$0.1800	$179.99	newegg
5	Western Digital	Western Digital 2TB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, QLC, M.2 2280, Up to 3,200 MB/s - WDS200T3G0C	2 TB	$0.1245	$249.00	amazon

Which Should You Buy?

Based on current pricing data, Western Digital offers better overall value for ssds & nvme drives at an average of $0.2414/GB compared to Seagate's $0.2823/GB — that's roughly 15% less per gigabyte.

Western Digital's best deal is the Western Digital WD_BLACK SN850P NVMe SSD for PS5 consoles M.2 2280 8TB PCI-Express 4.0 x4 Internal Solid State Drive (SSD) WDBBYV0080BNC-WRSN (8TB) at $0.1075/GB, while Seagate's cheapest option is the Seagate BarraCuda 520 M.2 2280 2TB PCIe G4 x4, NVMe 1.4 Internal Solid State Drive (SSD) (2TB) at $0.1401/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 Western Digital cheaper per GB for ssds & nvme drives?

As of July 2026, Western Digital averages $0.2414/GB compared to Seagate at $0.2823/GB. Western Digital is approximately 15% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 32 Seagate products and 113 Western Digital products in the ssds & nvme drives category, all ranked by price per gigabyte.

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

The cheapest Seagate option is the Seagate BarraCuda 520 M.2 2280 2TB PCIe G4 x4, NVMe 1.4 Internal Solid State Drive (SSD) at $0.1401/GB ($280.24 for 2TB).

What is the cheapest Western Digital ssds & nvme drive per GB?

The cheapest Western Digital option is the Western Digital WD_BLACK SN850P NVMe SSD for PS5 consoles M.2 2280 8TB PCI-Express 4.0 x4 Internal Solid State Drive (SSD) WDBBYV0080BNC-WRSN at $0.1075/GB ($860.00 for 8TB).

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