... 5400rpm Detailed Product Description1.HDD Capacity:20GB,Size:2.5'' 2.Interface Type:SATA 3.Speed:5400rpm 4.Model ... 320gb,500gb,1 tb,2tb, 3tb desktop hdd2.5 inch 20gb,40gb,60gb,80gb,120gb,160gb, 250gb ,320gb, ... gross weight about 6.5-7.0kgs per cartonHDD 20GB SATA 5.4K 2.5'' ST92021ASWe still have other ... hard disk drive 20GB HDD 5.4k 2.5inch ST920217AS for Seagate 2.5 inch 250GB for laptop HDD harddisk