The Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive costs $0.0300/GB while the Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0411/GB. Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers 27% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive vs Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive | Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 16TB | 18TB |
| $/GB | $0.0300 | $0.0411 |
| Price | $479.99 | $740.10 |
| 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 Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0300//GB compared to the Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0411//GB — that's roughly 27% less per gigabyte.
The best deal for the Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is $479.99 at Newegg, while the Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive starts at $740.10 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive and Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive or Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of July 2026, Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0300//GB compared to Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0411//GB. That is approximately 27% better value per gigabyte.
What is the price per GB of Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive?
The Seagate BarraCuda ST16000DM001 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is currently priced at $0.0300/GB ($479.99 for 16TB) at Newegg.
Where can I buy Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive for the cheapest price?
The cheapest price for the Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $740.10 at Newegg, which works out to $0.0411/GB.