07P79P Dell, 500GB 2.5" SATA Thin Hard Drive Seagate ST500LM021, 1KJ152-034 | eBay
8x Seagate 500GB Internal SATA 2.5" Thin Hard Drive HDD 7200rpm ST500LM021 797698720623 | eBay
goHardDrive.com - Seagate Momentus Thin ST500LM021 500GB 7200RPM 32MB Cache (7mm) SATA III 6.0Gb/s 2.5" Laptop Thin Hard Drive - w/1 Year Warranty
Seagate 500gb Laptop Hard Drive Disk 7200 Rpm 2.5" Internal Hdd Hd 500 Gb Harddisk Sata Iii 6gb/s 32m Cache 7mm For Ps4 Notebook - Hard Disk Drive - AliExpress