The MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS) costs $0.0375/GB while the Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) costs $0.0449/GB. MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS) offers 16% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS) vs Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) — Which Is Better Value?
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Specification Comparison
| Spec | MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS) | Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) |
|---|---|---|
| Brand | MDD MAXDIGITALDATA | Seagate |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0375 | $0.0449 |
| Price | $149.99 | $179.49 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS) offers better value at $0.0375//GB compared to the Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) at $0.0449//GB — that's roughly 16% less per gigabyte.
The best deal for the MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS) is $149.99 at Amazon, while the Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) starts at $179.49 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS) and Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) product page for detailed specifications and price history.
Frequently Asked Questions
Is MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS) or Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) a better deal?
As of August 2026, MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS) offers better value at $0.0375//GB compared to Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) at $0.0449//GB. That is approximately 16% better value per gigabyte.
What is the price per GB of MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS)?
The MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS) is currently priced at $0.0375/GB ($149.99 for 4 TB) at Amazon.
Where can I buy Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) for the cheapest price?
The cheapest price for the Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400) is $179.49 at Amazon, which works out to $0.0449/GB.