The SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD costs $0.2122/GB while the fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q costs $0.0825/GB. fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q offers 61% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD vs fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q — Which Is Better Value?
Specification Comparison
| Spec | SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD | fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q |
|---|---|---|
| Brand | SanDisk | fanxiang |
| Capacity | 4TB | 4 TB |
| $/GB | $0.2122 | $0.0825 |
| Price | $849.00 | $329.99 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q offers better value at $0.0825//GB compared to the SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD at $0.2122//GB — that's roughly 61% less per gigabyte.
The best deal for the fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q is $329.99 at Amazon, while the SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD starts at $849.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD and fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD or fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q a better deal?
As of June 2026, fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q offers better value at $0.0825//GB compared to SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD at $0.2122//GB. That is approximately 61% better value per gigabyte.
What is the price per GB of SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD?
The SanDisk Professional PRO-G40 4TB Thunderbolt 3 Portable External SSD is currently priced at $0.2122/GB ($849.00 for 4TB) at Newegg.
Where can I buy fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q for the cheapest price?
The cheapest price for the fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q is $329.99 at Amazon, which works out to $0.0825/GB.