The WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black costs $0.0441/GB while the MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA costs $0.0286/GB. MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA offers 35% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black vs MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA — Which Is Better Value?
WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black
Specification Comparison
| Spec | WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black | MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA |
|---|---|---|
| Brand | Western Digital | Toshiba |
| Capacity | 16TB | 18TB |
| $/GB | $0.0441 | $0.0286 |
| Price | $704.99 | $515.41 |
| 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 MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA offers better value at $0.0286//GB compared to the WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black at $0.0441//GB — that's roughly 35% less per gigabyte.
The best deal for the MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA is $515.41 at Newegg, while the WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black starts at $704.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black and MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA product page for detailed specifications and price history.
Frequently Asked Questions
Is WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black or MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA a better deal?
As of August 2026, MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA offers better value at $0.0286//GB compared to WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black at $0.0441//GB. That is approximately 35% better value per gigabyte.
What is the price per GB of WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black?
The WD My Book 16TB USB 3.0, Micro-B External Desktop Hard Drive Black is currently priced at $0.0441/GB ($704.99 for 16TB) at Newegg.
Where can I buy MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA for the cheapest price?
The cheapest price for the MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA is $515.41 at Newegg, which works out to $0.0286/GB.