Matrix 500GB SATA Hard Drive for Desktop (HDD) 3.5 Inch SATA 6 GB/s 7200 RPM High Speed Data Transferability Boost The Performance 64 MB Cache, 2 Year Warranty : Amazon.in: Computers & Accessories
Seagate ST500LM021 500GB SATA 2.5in HDD Hard Disk Drive 7200RPM 32MB Cache