The WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive costs $0.0568/GB while the HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 costs $0.0375/GB. HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 offers 34% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive vs HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 — Which Is Better Value?
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Specification Comparison
| Spec | WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive | HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 |
|---|---|---|
| Brand | Western Digital | HP |
| Capacity | 8TB | 8TB |
| $/GB | $0.0568 | $0.0375 |
| Price | $454.45 | $300.20 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 offers better value at $0.0375//GB compared to the WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive at $0.0568//GB — that's roughly 34% less per gigabyte.
The best deal for the HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 is $300.20 at Newegg, while the WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive starts at $454.45 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive and HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive or HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 a better deal?
As of September 2026, HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 offers better value at $0.0375//GB compared to WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive at $0.0568//GB. That is approximately 34% better value per gigabyte.
What is the price per GB of WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive?
The WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is currently priced at $0.0568/GB ($454.45 for 8TB) at Newegg.
Where can I buy HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 for the cheapest price?
The cheapest price for the HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21 is $300.20 at Newegg, which works out to $0.0375/GB.