Western Digital Blue Desktop Hard Disk Drive Brand: WD Storage Capacity: 500GB-1TB-2TB-4TB-6TB-8TB Drive Interface Type: SATA 2 Storage Device Use: Internal PC Part Number 500GB(WD5000AAKX-001CA0-WD5000AAKX) 1TB(WD10EZEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5-Inch Internal Hard Drive) 2TB(WD 2 TB Blue PC HDD - WD20EZAZ) 4TB(WD 4 TB Blue PC HDD - WD40EZRZ) 6TB(WD Blue 6TB 256MB 3.5" - WD60EZAZ) 8TB(WD80EAZZ-00BKLBO-WD80EAZZ) Hard disk interface ATA Connectivity technology SATA Brand WD Hard disk size 500 GB-1TB-2TB-4TB-6TB-8TB Item weight 0.37 Pounds Material Mixed Materials western digital 1tb external hard drive western digital 500gb external hard drive wd blue 2tb 7200rpm wd blue 4tb 7200rpm western digital blue western digital blue 1tb western digital blue 2tb western digital internal hard drive