The HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive costs $0.0333/GB while the Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive costs $3.1289/GB. HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive offers 99% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive vs Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive — Which Is Better Value?
Specification Comparison
| Spec | HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive | Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive |
|---|---|---|
| Brand | HGST | Seagate |
| Capacity | 3TB | 147GB |
| $/GB | $0.0333 | $3.1289 |
| Price | $100.00 | $459.95 |
| 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 HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive offers better value at $0.0333//GB compared to the Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive at $3.1289//GB — that's roughly 99% less per gigabyte.
The best deal for the HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive is $100.00 at Newegg, while the Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive starts at $459.95 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive and Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive or Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive a better deal?
As of June 2026, HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive offers better value at $0.0333//GB compared to Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive at $3.1289//GB. That is approximately 99% better value per gigabyte.
What is the price per GB of HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive?
The HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive is currently priced at $0.0333/GB ($100.00 for 3TB) at Newegg.
Where can I buy Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive for the cheapest price?
The cheapest price for the Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive is $459.95 at Newegg, which works out to $3.1289/GB.