Samsung 870 Evo 500GB 2.5 Inch Sata III Internal SSD Mz 77E500B/Am, Black

At £50 more than the QVO yet sporting almost identical specification, you’d be hard pushed at first to see the benefit of the EVO drive. The different comes with the internal workings that see a V-NAND 3-bit rather than 4-bit MLC (Multi-Level Cell).