Western Digital WD Red Plus NAS Hard Drive 3.5-Inch -Transfer Rate up to 215MB/s -5640 RPM -Cache Size 512MB -3-Year Limited Warranty Tackle intensity with a WD Red™ Plus Hard Drive Packed with power to handle the small- to medium-sized business NAS environments and increased workloads1 for SOHO customers, WD Red™ Plus is ideal for archiving and sharing, as well as RAID array rebuilding on systems using ZFS and other file systems. Built and tested for up to 8-bay NAS systems, these drives give you the flexibility, versatility, and confidence in storing and sharing your precious home and work files. Full Specifications Capacity 2TB Form Factor 3.5-Inch Connector SATA Compatibility RAID-optimized NAS systems with up to 8 bays Interface SATA Transfer Rate up to 215MB/s Disk Speed (RPM) 5640 RPM Recording Technology CMR Cache Size 512MB Dimensions (L x W x H) 5.787' x 4' x 1.028' Weight 720gms Model Number WD20EFPX Operating Temperature 0°C to 65°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