This hard drive from Western Digital has room for 500 GB of data. It has a 5 400 rpm rotation speed.
From Ecprof
WD5000AZRZ - WD HD3.5 SATA3 500GB WD5000AZRZ / 5.4k Blue (Di)
EE Store
WD Blue 500GB Desktop Hard Disk Drive - 5400RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD5000AZRZ
AA2Z Supply
WESTERN DIGITAL WD5000AZRZ WD BLUE 500GB 5400RPM SATA-6GBPS 64MB BUFFER 3.5INCH INTERNAL DESKTOP HARD DISK DRIVE. BULK. .