The SanDisk Pro-G40 is a resilient and fast portable SSD with a USB-C interface for both Thunderbolt 3 and USB 3.2 Gen 2 transfer modes. This gives it some flexibility, as it will work with a large number of devices with a high maximum speed. The metal core is surrounded by a silicon bumper edge to protect the drive from drops and other accidents while also keeping the internal M.2 SSD cool. The USB-C port is reinforced with metal for added protection, and SanDisk specs the full SSD with an IP68 water resistance rating. The drive comes with a Type-C to Type-C cable, an ample warranty, and solid support.
This drive is priced for professionals, and the combination of sustained performance and toughness is something we last recommended in the Samsung T7 Shield. The SSD technology in the Pro-G40 is a little bit older, but it has the advantage of DRAM and a Thunderbolt mode over the T7 Shield. Western Digital’s PCIe 3.0 drives, like the Red SN700are known for their superb sustained write performance and overall consistency. This is also true of the Pro-G40, making it unrivaled if you need to transfer data quickly in the field.
|Form Factor (Internal)||M.2 2280||M.2 2280|
|Interface / Protocol||Thunderbolt 3, USB 3.2 Gen 2||Thunderbolt 3, USB 3.2 Gen 2|
|Bridge Chip(s)||JHL7440 + ASM2362||JHL7440 + ASM2362|
|Included||Thunderbolt 3 USB-C to USB-C Cable||Thunderbolt 3 USB-C to USB-C Cable|
|Controller||SanDisk Proprietary||SanDisk Proprietary|
|Memory||SanDisk 96-Layer BiCS4||SanDisk 96-Layer BiCS4|
|Sequential Read (TB3 | USB)||2,700 MBps | 1,050 MBps||2,700 MBps | 1,050 MBps|
|Sequential Write (TB3 | USB)||1,900 MBps | 1,000 MBps||1,900 MBps | 1,000 MBps|
|Dimensions||111 x 58 x 12 mm (4.36 x 2.28 x 0.47 in)||111 x 58 x 12 mm (4.36 x 2.28 x 0.47 in)|
|Weight||121.2 g (0.27 lbs)||122.3 g (0.27 lbs)|
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