The Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black costs $0.0225/GB while the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R costs $0.0281/GB. Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black offers 20% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black vs External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R — Which Is Better Value?
Specification Comparison
| Spec | Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black | External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R |
|---|---|---|
| Brand | Seagate | External |
| Capacity | 4 TB | 1TB |
| $/GB | $0.0225 | $0.0281 |
| Price | $90.10 | $28.11 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black offers better value at $0.0225//GB compared to the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R at $0.0281//GB — that's roughly 20% less per gigabyte.
The best deal for the Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black is $90.10 at Amazon, while the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R starts at $28.11 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black and External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black or External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R a better deal?
As of April 2026, Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black offers better value at $0.0225//GB compared to External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R at $0.0281//GB. That is approximately 20% better value per gigabyte.
What is the price per GB of Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black?
The Seagate One Touch STKC4000400 4 TB Portable Hard Drive - 2.5" External - Black is currently priced at $0.0225/GB ($90.10 for 4 TB) at Amazon.
Where can I buy External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R for the cheapest price?
The cheapest price for the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R is $28.11 at Newegg, which works out to $0.0281/GB.