WD 500GB Blue 3.5" Hard Drive WD5000AZRZ B&H Photo Video
WD WD5000AZRZ Blue 500 GB 3.5" SATA 6 Gb/s 5400 RPM 64 MB Cache Hard Drive | SabrePC
Seagate 3.5'' 500GB SATA 3Gb/s 5900rpm Video Surveillance HDD Internal hdd Mechanical Hard Disk 16MB Buffer For Desktop PC - AliExpress
Lot of 10x Western Digital 500GB 3.5in SAS HardDrive WD5000AADS
Seagate Video 3.5 HDD ST500VM000 Surveillance Hard Drive - Drive Solutions
Dell 500GB 7.2K 3Gbps Enterprise SATA 3.5 Hard Drive
Seagate Brand 500gb Sata 3gb/s-6gb/s Hdd 500 Gb 7200 Rpm 8 Mb / 32 Mb Buffer Desktop Pc 3.5" Internal Mechanical Hard Disk - Hard Disk Drive - AliExpress
HP 500GB SATA 6Gb s 7200 RPM 3.5" Internal Hard Drive (LQ036AT)