The Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible costs $0.0810/GB while the SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD costs $0.2100/GB. Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible offers 61% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible vs SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD — Which Is Better Value?
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Specification Comparison
| Spec | Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible | SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD |
|---|---|---|
| Brand | Bestoss | SanDisk |
| Capacity | 4TB | 4TB |
| $/GB | $0.0810 | $0.2100 |
| Price | $323.99 | $839.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible offers better value at $0.0810//GB compared to the SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD at $0.2100//GB — that's roughly 61% less per gigabyte.
The best deal for the Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible is $323.99 at Newegg, while the SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD starts at $839.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible and SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD product page for detailed specifications and price history.
Frequently Asked Questions
Is Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible or SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD a better deal?
As of September 2026, Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible offers better value at $0.0810//GB compared to SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD at $0.2100//GB. That is approximately 61% better value per gigabyte.
What is the price per GB of Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible?
The Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible is currently priced at $0.0810/GB ($323.99 for 4TB) at Newegg.
Where can I buy SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD for the cheapest price?
The cheapest price for the SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD is $839.99 at Newegg, which works out to $0.2100/GB.