SanDisk Professional PRO-G40 SSD 4TB Portable Solid State Drive - Thunderbolt 3 (40Gbps) & USB 3.2 Gen 2 (10Gbps) Compatibility - USB-C Connector - IP68 Resistance - Sequential Read up to 3000MB/s - Sequential Write up to 2500MB/s (SDPS31H-004T-GBCND)