SanDisk Professional PRO-G40 Thunderbolt 3 SSD 4TB
- 4 TB portable SSD
- Up to 3000MB/s read over Thunderbolt 3
- Thunderbolt 3 (40Gbps) + USB-C (10Gbps) dual mode
- IP68 dust and water resistance
- 4000lb crush, up to 3m drop protection
- exFAT formatted, Thunderbolt 3 cable included
- 4.32 ounces, aluminum core
- 5-year limited warranty
Updated 25 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A rugged, fast portable SSD for photo and video work that moves between Thunderbolt and USB-C machines. Peak speed needs a Thunderbolt port, and no write speed is listed.
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ASIN: B0CW3LZQ6GModel: PRO-G40Category: External Solid State Drives
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Overview
A film set, a rainy field shoot or a laptop bag on a plane is where the SanDisk drive is meant to travel, sealed against dust and water and built to survive drops. An aluminum core draws heat from the internal SSD, and one port handles both Thunderbolt and USB-C hosts.
Thunderbolt speed in a sealed, crush resistant shell lets editors work straight from the drive on location. Dual mode means it still connects to ordinary USB-C machines. Write speed goes unlisted, which matters for anyone offloading large camera cards.
Who it's for
Creators editing footage in the field and teams sharing projects across different laptops will use both the speed and the toughness. Owners of USB-only computers get far lower transfer rates and may not need this drive.
Pros and cons
- Very fast reads over Thunderbolt
- Works with USB-C hosts too
- Sealed against dust and water
- Survives crushing loads and drops
- Write speed not listed
- Full speed requires a Thunderbolt port
- USB-C mode much slower
- No USB-C to USB-A cable listed
Performance notes
Transfer speed is set by the host port: Thunderbolt carries the full read rate, while a USB-C connection caps it at a fraction of that. Sustained speed depends on heat, and the aluminum core pulls heat away from the internal drive to slow down throttling during long copies. The sealed housing protects the electronics from dust and water.
Specifications
| Brand | Sandisk |
|---|---|
| Model | PRO-G40 |
| Dimensions & fit | |
| Item weight | 4.32 ounces |
| Item dimensions l x W x thickness | 4.36 x 2.28 x 0.47 inches |
| Capacity & performance | |
| Digital storage capacity | 4 TB |
| Read speed | Up to 3000MB/s via Thunderbolt 3 |
| Construction & materials | |
| Enclosure material | Aluminum |
| Compatibility & installation | |
| Hard disk interface | Thunderbolt 3 (40Gbps), USB-C (10Gbps) |
| Compatible video game console models | PlayStation 5, Xbox Series S |
| Warranty & support | |
| Warranty description | 5-year limited warranty |
| Other details | |
| Builtin media | PRO-G40 SSD, Thunderbolt 3 (40Gbps) cable, quick start guide |
| Hard disk description | Solid State Drive |
| Drop resistance | Up to 3m |
| IP rating | IP68 |
| File format | exFAT |
| Crush resistance | 4000lb |
Frequently asked questions
Does the SanDisk PRO-G40 reach full speed over USB-C?
No. The up to 3000MB/s read speed is via Thunderbolt 3 at 40Gbps. Over USB-C it runs at 10Gbps.
Is the SanDisk PRO-G40 ready to use out of the box?
It ships formatted exFAT and is described as PC ready.
Can the SanDisk PRO-G40 survive rain and drops?
It is IP68 dust and water resistant, crush resistant to 4000lb and drop protected up to 3m, based on internal testing.
Which cable comes with the SanDisk PRO-G40?
A Thunderbolt 3 (40Gbps) cable and a quick start guide.