The Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ costs $0.0422/GB while the MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) costs $0.0300/GB. MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) offers 29% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ vs MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) — Which Is Better Value?
Specification Comparison
| Spec | Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ | MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) |
|---|---|---|
| Brand | Western Digital | Unknown |
| Capacity | 6 TB | 6 TB |
| $/GB | $0.0422 | $0.0300 |
| Price | $253.27 | $179.99 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | N/A |
Price Across Retailers
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ
MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed)
Which Should You Buy?
Based on current pricing data, the MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) offers better value at $0.0300//GB compared to the Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ at $0.0422//GB — that's roughly 29% less per gigabyte.
The best deal for the MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) is $179.99 at Amazon, while the Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ starts at $253.27 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ and MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ or MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) a better deal?
As of May 2026, MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) offers better value at $0.0300//GB compared to Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ at $0.0422//GB. That is approximately 29% better value per gigabyte.
What is the price per GB of Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ?
The Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD64PURZ is currently priced at $0.0422/GB ($253.27 for 6 TB) at Amazon.
Where can I buy MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) for the cheapest price?
The cheapest price for the MDD MAXDIGITALDATA (MD6TB6472E) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5'' Helium Platform Enterprise Hard Drive - w/3 Year Warranty (Renewed) is $179.99 at Amazon, which works out to $0.0300/GB.