The Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) costs $0.0375/GB while the TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0335/GB. TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers 11% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) vs TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) | TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Toshiba |
| Capacity | 4TB | 4TB |
| $/GB | $0.0375 | $0.0335 |
| Price | $150.00 | $133.80 |
| 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 MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0335//GB compared to the Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) at $0.0375//GB — that's roughly 11% less per gigabyte.
The best deal for the TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $133.80 at Newegg, while the Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) starts at $150.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) and TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) or TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of August 2026, TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0335//GB compared to Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) at $0.0375//GB. That is approximately 11% better value per gigabyte.
What is the price per GB of Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000)?
The Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000) is currently priced at $0.0375/GB ($150.00 for 4TB) at Newegg.
Where can I buy TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive for the cheapest price?
The cheapest price for the TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $133.80 at Newegg, which works out to $0.0335/GB.