Western Digital Ultrastar HC555 18TB 3.5' Enterprise Class SAS 12 Gb/s HDD 7200 RPM 512MB Cache EAMR Technology SE Security 5-Year Limited Warranty

Western Digital Ultrastar HC555 18TB 3.5' Enterprise Class SAS 12 Gb/s HDD 7200 RPM 512MB Cache EAMR Technology SE Security 5-Year Limited Warranty Product Features Engineered for maximized performance to meet data-intensive workloads Superior reliability of field-proven hardware and firmware designs Seamless integration with existing applications & environments Capacity 18TB Form Factor 3.5-Inch Interface SAS Transfer Rate up to 269MB/s Recording Technology EAMR Cache Size 512MB Security SE Warranty 5-Year Limited Warranty Dimensions (L x W x H) 146.99mm x 101.6mm x 26.11mm Weight 1.52gms Model Number 0B47747 Operating Temperature 5°C to 60°C Non-Operating Temperature -40°C to 70°C Certifications BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL Compatibility Windows, Windows Server, Linux