Please place the order correctly and sign to confirm receipt in time. About capacity: 250GB=approximately 200GB-240GB 256GB=approximately 210GB-245GB 500GB=approximately 440GB-490GB 512GB=approximately 450GB-500GB 1TB=approximately 880GB-980GB 2TB=approximately 1760GB-1960GB 1MB=1000KB. Warm Tips: About Speed: different test softwares will get different speed, speed will be affected by many different factors, our datas only as…