Western Digital 18TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5"- 5 Years Limited Warranty · Enhanced reliability with up to 2.5M hours MTBF · Take on workloads at up to 10 times the typical desktop rating · Specifically designed for use in enterprise-class storage systems and datacenters · Get peace of mind with a 5-year limited warranty Conquer tough workloads with enterprise-class WD Gold™ HDDs Tthe WD Gold™ is a highly reliable solution for demanding storage environments and provides up to 2.5M hours MTBF. Specifically designed for use in enterprise-class storage systems and data centers, the WD Gold Enterprise Class SATA HDD delivers the world-class performance you expect from Western Digital® hard drives. Digital storage capacity 18 TB Hard disk interface Serial ATA-600 Connectivity technology SATA Brand Western Digital Hard disk form factor 2.5 Inches Hard disk description Mechanical Hard Disk Compatible devices Compatible with Windows, Windows Server, and Linux Installation type Internal Hard Drive Colour Gold Hard disk size 18 GB