WD Red™ Plus NAS Hard Drive 3.5" 10TB WD101EFBX Packed with power to handle the small- to medium-sized business NAS environments and increased workloads 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. Specifications: Capacity 10 TB Cache Size 256 MB Disk Speed (RPM) 7200rpm Interface SATA Cache Size (MB) 256MB Transfer Rate up to 215MB/s Compatibility Designed with CMR technology for small or medium-sized businesses in RAID-optimized NAS systems with up to 8 bays. Perfect for handling increased workloads, including expanded OS compatibility and ZFS. Recording Technology CMR Dimensions (L x W x H) 146.99mm x 101.6mm x 26.11mm