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 Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black costs $0.0822/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 54% 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 Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black — 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) | Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black |
|---|---|---|
| Brand | MDD MAXDIGITALDATA | Silicon Power |
| Capacity | 4 TB | 4TB |
| $/GB | $0.0375 | $0.0822 |
| Price | $149.99 | $328.99 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
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)
Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black
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 Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black at $0.0822//GB — that's roughly 54% 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 Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black starts at $328.99 at Newegg.
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 Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black 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 Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black 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 Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black at $0.0822//GB. That is approximately 54% 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 Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black for the cheapest price?
The cheapest price for the Silicon Power 4TB Armor A60 IPX4 Water-resistant and Shockproof Portable Hard Drive USB 3.1 Gen1 Model SP040TBPHDA60S3K Black is $328.99 at Newegg, which works out to $0.0822/GB.