Sandisk 4TB PRO-G40 SSD
Today
Typical price$1,420
Amazon: the cheapest today among the stores checked
Buy on AmazonSandisk 4TB PRO-G40 SSD or Sandisk 8TB Extreme Portable SSD?
8TB Extreme Portable SSD costs $70 less today, across the stores checked.
Sandisk 4TB PRO-G40 SSD is the cheaperSandisk 8TB Extreme Portable SSD is $70 the cheaper
The comparison in detail
Sandisk 8TB Extreme Portable SSD
Today
Typical price$1,350
Amazon: the cheapest today among the stores checked
Buy on AmazonAffiliate links: if you buy, the store pays us a commission at no cost to you.
Both prices over the last 30 days
First data point for one of the two: the chart appears as the days go by.
Still only a few days of data for both to read the trend; the chart fills in as the days go by.
Where is each one cheapest today?
Updated 06/11/2026
4TB PRO-G40 SSD
- Amazon Lowest price$1,420Buy on Amazon
8TB Extreme Portable SSD
- Amazon Lowest price$1,350Buy on Amazon
Spec sheet side by side
| Item | 4TB PRO-G40 SSD | 8TB Extreme Portable SSD |
|---|---|---|
| Specs | ||
| Type | External | External |
| General | ||
| Model changes | 4TB PRO-G40 SSD | 8TB Extreme Portable SSD |
Other comparisons
4TB PRO-G40 SSD orSamsung 870 QVO MZ-77Q8T0BW 8TB 2.5" SSD$1,611Compare
8TB Extreme Portable SSD orKingston FURY Renegade G5 4096GB NVMe SSD$1,227Compare
4TB PRO-G40 SSD orSeagate XA3840ME10063 Nytro 1000 3.84 Tb 2.5" Internal Solid State Drive$1,325Compare- 8TB Extreme Portable SSD orSeagate XA3840ME10063 Nytro 1000 3.84 Tb 2.5" Internal Solid State Drive$1,325Compare
How we choose
Source: Catalog of partner stores, checked on 06/11/2026.
Lowest price seen for the product in the stores we read, on the day it was read, before sales tax. The model is the brand plus the name of the SSD; the versions go in the table. The price range, the median and the position use only models with a score; the price comparison looks at models whose score is within 0.5 points.
The spec score doesn’t measure real speed or durability or durability, and the strong or weak point reading is just a comparison of numbers, not a buying recommendation.