The ADATA 2TB HD720 External Hard Drive SuperSpeed USB 3.2 Gen1 (Backward Compatible with USB 2.0) Model AHD720-2TU31-CBK Black costs $0.1775/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 81% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
ADATA 2TB HD720 External Hard Drive SuperSpeed USB 3.2 Gen1 (Backward Compatible with USB 2.0) Model AHD720-2TU31-CBK Black vs TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
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Specification Comparison
| Spec | ADATA 2TB HD720 External Hard Drive SuperSpeed USB 3.2 Gen1 (Backward Compatible with USB 2.0) Model AHD720-2TU31-CBK Black | TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | ADATA | Toshiba |
| Capacity | 2TB | 4TB |
| $/GB | $0.1775 | $0.0335 |
| Price | $355.00 | $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 ADATA 2TB HD720 External Hard Drive SuperSpeed USB 3.2 Gen1 (Backward Compatible with USB 2.0) Model AHD720-2TU31-CBK Black at $0.1775//GB — that's roughly 81% 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 ADATA 2TB HD720 External Hard Drive SuperSpeed USB 3.2 Gen1 (Backward Compatible with USB 2.0) Model AHD720-2TU31-CBK Black starts at $355.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each ADATA 2TB HD720 External Hard Drive SuperSpeed USB 3.2 Gen1 (Backward Compatible with USB 2.0) Model AHD720-2TU31-CBK Black 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 ADATA 2TB HD720 External Hard Drive SuperSpeed USB 3.2 Gen1 (Backward Compatible with USB 2.0) Model AHD720-2TU31-CBK Black 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 ADATA 2TB HD720 External Hard Drive SuperSpeed USB 3.2 Gen1 (Backward Compatible with USB 2.0) Model AHD720-2TU31-CBK Black at $0.1775//GB. That is approximately 81% better value per gigabyte.
What is the price per GB of ADATA 2TB HD720 External Hard Drive SuperSpeed USB 3.2 Gen1 (Backward Compatible with USB 2.0) Model AHD720-2TU31-CBK Black?
The ADATA 2TB HD720 External Hard Drive SuperSpeed USB 3.2 Gen1 (Backward Compatible with USB 2.0) Model AHD720-2TU31-CBK Black is currently priced at $0.1775/GB ($355.00 for 2TB) 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.