The Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk costs $0.0287/GB while the SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card costs $0.2500/GB. Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk offers 88% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk vs SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card — Which Is Better Value?
Specification Comparison
| Spec | Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk | SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card |
|---|---|---|
| Brand | Seagate | SanDisk |
| Capacity | 4 TB | 512 GB |
| $/GB | $0.0287 | $0.2500 |
| Price | $114.99 | $127.99 |
| Retailer | Amazon | Best Buy |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | micro-sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk offers better value at $0.0287//GB compared to the SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card at $0.2500//GB — that's roughly 88% less per gigabyte.
The best deal for the Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk is $114.99 at Amazon, while the SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card starts at $127.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk and SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk or SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card a better deal?
As of May 2026, Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk offers better value at $0.0287//GB compared to SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card at $0.2500//GB. That is approximately 88% better value per gigabyte.
What is the price per GB of Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk?
The Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk is currently priced at $0.0287/GB ($114.99 for 4 TB) at Amazon.
Where can I buy SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card for the cheapest price?
The cheapest price for the SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card is $127.99 at Best Buy, which works out to $0.2500/GB.