The HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) costs $0.0375/GB while the HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive costs $0.1036/GB. HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers 64% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) vs HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive — Which Is Better Value?

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Specification Comparison

SpecHGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600)HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive
BrandHGSTHP
Capacity4TB4TB
$/GB$0.0375$0.1036
Price$150.00$414.45
RetailerNeweggNewegg
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600)

Newegg$0.0375//GB
$150.00Buy

HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive

Newegg$0.1036//GB
$414.45Buy

Which Should You Buy?

Based on current pricing data, the HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers better value at $0.0375//GB compared to the HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive at $0.1036//GB — that's roughly 64% less per gigabyte.

The best deal for the HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) is $150.00 at Newegg, while the HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive starts at $414.45 at Newegg.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) and HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive product page for detailed specifications and price history.

Frequently Asked Questions

Is HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) or HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive a better deal?

As of September 2026, HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) offers better value at $0.0375//GB compared to HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive at $0.1036//GB. That is approximately 64% better value per gigabyte.

What is the price per GB of HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600)?

The HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) is currently priced at $0.0375/GB ($150.00 for 4TB) at Newegg.

Where can I buy HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive for the cheapest price?

The cheapest price for the HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5' Non-hot Plug Standard Internal Hard Drive is $414.45 at Newegg, which works out to $0.1036/GB.

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