The MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) costs $0.0150/GB while the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) costs $0.0643/GB. MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) offers 77% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) vs UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) — Which Is Better Value?
Specification Comparison
| Spec | MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) | UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) |
|---|---|---|
| Brand | Unknown | UnionSine |
| Capacity | 4 TB | 500 GB |
| $/GB | $0.0150 | $0.0643 |
| Price | $59.95 | $32.16 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | N/A | hdd |
Price Across Retailers
MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed)
UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black)
Which Should You Buy?
Based on current pricing data, the MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) offers better value at $0.0150//GB compared to the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) at $0.0643//GB — that's roughly 77% less per gigabyte.
The best deal for the MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) is $59.95 at Amazon, while the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) starts at $32.16 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 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) and UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) product page for detailed specifications and price history.
Frequently Asked Questions
Is MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) or UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) a better deal?
As of April 2026, MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) offers better value at $0.0150//GB compared to UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) at $0.0643//GB. That is approximately 77% better value per gigabyte.
What is the price per GB of MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed)?
The MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) is currently priced at $0.0150/GB ($59.95 for 4 TB) at Amazon.
Where can I buy UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) for the cheapest price?
The cheapest price for the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) is $32.16 at Amazon, which works out to $0.0643/GB.