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 WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN costs $0.0425/GB. MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed) offers 65% 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 WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN — Which Is Better Value?

Specification Comparison

SpecMDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed)WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN
BrandUnknownWestern Digital
Capacity4 TB4 TB
$/GB$0.0150$0.0425
Price$59.95$169.99
RetailerAmazonAmazon
CategoryHard Drives (HDD)Hard Drives (HDD)
SubcategoryN/Ahdd

Price Across Retailers

MDD MAXDIGITALDATA 4TB 7200RPM 128MB Cache SAS 12Gb/s 3.5inch Internal Enterprise Hard Drive (MD4TSAS12872E) - [NOT a SATA HDD] (Renewed)

Amazon$0.0150//GB
$59.95Buy

WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN

Amazon$0.0425//GB
$169.99Buy

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 WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN at $0.0425//GB — that's roughly 65% 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 WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN starts at $169.99 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 WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN 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 WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN 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 WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN at $0.0425//GB. That is approximately 65% 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 WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN for the cheapest price?

The cheapest price for the WD 4TB My Passport, Portable External Hard Drive, Red, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BRD-WESN is $169.99 at Amazon, which works out to $0.0425/GB.

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