The Seagate - Expansion Desktop 8TB HDD - Black costs $0.0275/GB while the Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX costs $0.0283/GB. Seagate - Expansion Desktop 8TB HDD - Black offers 3% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

Seagate - Expansion Desktop 8TB HDD - Black vs Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX — Which Is Better Value?

Better Value
Best Price$219.99
RetailerBest Buy
$/GB$0.0275
Rating4.7 (169 reviews)
Buy at Best Buy — $219.99

Specification Comparison

SpecSeagate - Expansion Desktop 8TB HDD - BlackWestern Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX
BrandSeagateWestern Digital
Capacity8 TB10 TB
$/GB$0.0275$0.0283
Price$219.99$283.46
RetailerBest BuyAmazon
CategoryHard Drives & SSDsHard Drives & SSDs
Subcategoryhddhdd

Price Across Retailers

Seagate - Expansion Desktop 8TB HDD - Black

Best Buy$0.0275//GB
$219.99Buy

Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX

Amazon$0.0283//GB
$283.46Buy

Which Should You Buy?

Based on current pricing data, the Seagate - Expansion Desktop 8TB HDD - Black offers better value at $0.0275//GB compared to the Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX at $0.0283//GB — that's roughly 3% less per gigabyte.

The best deal for the Seagate - Expansion Desktop 8TB HDD - Black is $219.99 at Best Buy, while the Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX starts at $283.46 at Amazon.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate - Expansion Desktop 8TB HDD - Black and Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX product page for detailed specifications and price history.

Frequently Asked Questions

Is Seagate - Expansion Desktop 8TB HDD - Black or Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX a better deal?

As of April 2026, Seagate - Expansion Desktop 8TB HDD - Black offers better value at $0.0275//GB compared to Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX at $0.0283//GB. That is approximately 3% better value per gigabyte.

What is the price per GB of Seagate - Expansion Desktop 8TB HDD - Black?

The Seagate - Expansion Desktop 8TB HDD - Black is currently priced at $0.0275/GB ($219.99 for 8 TB) at Best Buy.

Where can I buy Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX for the cheapest price?

The cheapest price for the Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX is $283.46 at Amazon, which works out to $0.0283/GB.

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