Super-fast and durable SSDs are commonplace now but the super-rugged dual Thunderbolt/USB-C SanDisk PRO-G40 SSD is pretty unique and several notches above the run-of-mill offerings, as Kevin Carter discovers. What is it? Offering compatibility with both Thunderbolt 3 (40 Gbps) and USB-C 3.2 Gen 2 (10 Gbps), this slick-looking bus-powered NVMe SSD is a highly portable and robust drive for sharing across several devices. Starting at £295 (inc VAT) for the 1TB rising to £441 for 2TB and a whopping £530 for 4TB, you might think this pricey but that’s because most SSD drives you’ll see advertised are USB-C only. That’s fine if that’s all you want but, what you’re…