The Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB costs $0.0263/GB while the Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) costs $0.0376/GB. Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB offers 30% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB vs Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) — Which Is Better Value?
Specification Comparison
| Spec | Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB | Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) |
|---|---|---|
| Brand | Toshiba | Seagate |
| Capacity | 16TB | 18TB |
| $/GB | $0.0263 | $0.0376 |
| Price | $420.90 | $677.00 |
| 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 Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB offers better value at $0.0263//GB compared to the Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) at $0.0376//GB — that's roughly 30% less per gigabyte.
The best deal for the Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB is $420.90 at Newegg, while the Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) starts at $677.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB and Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) product page for detailed specifications and price history.
Frequently Asked Questions
Is Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB or Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) a better deal?
As of June 2026, Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB offers better value at $0.0263//GB compared to Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) at $0.0376//GB. That is approximately 30% better value per gigabyte.
What is the price per GB of Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB?
The Toshiba N300 NAS - Hard drive - 16 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB is currently priced at $0.0263/GB ($420.90 for 16TB) at Newegg.
Where can I buy Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) for the cheapest price?
The cheapest price for the Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D) is $677.00 at Newegg, which works out to $0.0376/GB.