The MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) costs $0.0350/GB while the 320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black costs $0.0843/GB. MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) offers 59% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) vs 320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black — Which Is Better Value?
Specification Comparison
| Spec | MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) | 320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black |
|---|---|---|
| Brand | MDD MAXDIGITALDATA | Generic |
| Capacity | 4 TB | 320 GB |
| $/GB | $0.0350 | $0.0843 |
| Price | $139.99 | $26.99 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR)
320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black
Which Should You Buy?
Based on current pricing data, the MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) offers better value at $0.0350//GB compared to the 320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black at $0.0843//GB — that's roughly 59% less per gigabyte.
The best deal for the MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) is $139.99 at Amazon, while the 320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black starts at $26.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) and 320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black product page for detailed specifications and price history.
Frequently Asked Questions
Is MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) or 320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black a better deal?
As of May 2026, MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) offers better value at $0.0350//GB compared to 320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black at $0.0843//GB. That is approximately 59% better value per gigabyte.
What is the price per GB of MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR)?
The MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) is currently priced at $0.0350/GB ($139.99 for 4 TB) at Amazon.
Where can I buy 320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black for the cheapest price?
The cheapest price for the 320GB External Hard Drive, USB 3.1 Type-C Portable HDD, Ultra-Slim 2.5-Inch Backup Storage for PC, Laptop, Tablet & Gaming Console – Black is $26.99 at Amazon, which works out to $0.0843/GB.