The samsung m3 portable external hard drive delivers handy portable storage it is easy to take wherever you go and has an ample capacity of 500gb the durable black design stands up to the rigors of daily use features handy portable storage durable black design safetykey protection for your data 3 year manufacturer warranty specification capacity 500gb performance superspeed usb 30 max 48gbs operating temperature 5degc to 40degc non operating temperature 20degc to 65deg