Seagate vs Western Digital SSDs & NVMe Drives

Side-by-side price per gigabyte comparison across 159 products.

As of October 2026, Seagate averages $0.3373/GB across 37 products while Western Digital averages $0.2553/GB across 122 products on BuyPerUnit. Western Digital offers 24% better value per gigabyte for ssds & nvme drives.

Seagate

Avg $/GB$0.3373
Best $/GB$0.1401
Price Range$0.1401 – $0.6760
Products37

Western Digital

Better Value
Avg $/GB$0.2553
Best $/GB$0.1125
Price Range$0.1125 – $0.8161
Products122

Top Products Compared

RankBrandProductCapacity$/GBPriceRetailer
1SeagateSeagate BarraCuda 520 M.2 2280 2TB PCIe G4 x4, NVMe 1.4 Internal Solid State Drive (SSD)2TB$0.1401$280.24newegg
1Western DigitalWestern 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$0.1125$449.99amazon
2SeagateSeagate FireCuda X1070 4TB Internal Solid State Drive SSD - M.2 PCIe Gen4 3D QLC NAND Technology, Rescue Services (ZP4000GS3A001)4TB$0.1750$699.99newegg
2Western DigitalWestern Digital 2TB WD Blue SN5000 NVMe Internal Solid State Drive SSD - PCIe Gen 4.0, M.2 2280, Up to 5,150 MB/s - WDS2TB$0.1175$235.00newegg
3SeagateSeagate BarraCuda Q5 M.2 2280 2TB PCIe Gen3 x4 NVMe 1.3 3D QLC Internal Solid State Drive (SSD) ZP2000CV3A0012TB$0.1795$359.00newegg
3Western DigitalWestern Digital 2TB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, QLC, M.2 2280, Up to 3,200 MB/s - WDS2 TB$0.1185$237.00newegg
4SeagateSeagate BarraCuda Q5 M.2 2280 1TB PCIe Gen3 x4 NVMe 1.3 3D QLC Internal Solid State Drive (SSD) ZP1000CV3A0011TB$0.1850$184.99newegg
4Western DigitalWestern Digital 4TB WD Blue SN5000 NVMe SSD, PCIe Gen 4.0, up to 5,500 MB/s Read Speeds Internal Solid State Drive (SSD) WDS4TB$0.1194$477.67newegg
5SeagateSeagate BarraCuda 520 M.2 2280 1TB PCIe G4 x4, NVMe 1.4 Internal Solid State Drive (SSD)1TB$0.1990$199.00newegg
5Western DigitalWestern Digital WD_Blue SN580 M.2 2280 2TB PCI-Express 4.0 x4 TLC Internal Solid State Drive (SSD) WDS2TB$0.1210$242.05newegg

Which Should You Buy?

Based on current pricing data, Western Digital offers better overall value for ssds & nvme drives at an average of $0.2553/GB compared to Seagate's $0.3373/GB — that's roughly 24% less per gigabyte.

Western Digital's best deal is the 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) at $0.1125/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 October 2026, Western Digital averages $0.2553/GB compared to Seagate at $0.3373/GB. Western Digital is approximately 24% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 37 Seagate products and 122 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 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] at $0.1125/GB ($449.99 for 4 TB).

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