Western Digital 24TB 3.5' SATA HDD, 7200RPM, CMR, up to 287MB/s, 512MB cache, RAID-optimized for NAS, 550TB/yr workload, 5-year warranty WD Red Pro drives are engineered to handle high-intensity workloads in 24×7 multi-user commercial and enterprise NAS environments. WD Red Pro drives deliver the performance, scalability and dependability businesses require to store, share and collaborate on large amounts of data in multi-bay RAID-optimized NAS systems. Specifications Capacity 24TB Form Factor 3.5-Inch Interface SATA Transfer Rate up to 287MB/s Disk Speed (RPM) 7200 RPM Recording Technology CMR Cache Size 512MB Warranty 5-Year Limited Warranty Dimensions (L x W x H) 5.79' x 4' x 1.03' Weight Model Number WD241KFGX Operating Temperature 0°C to 65°C Non-Operating Temperature -40°C to 70°C Product Features •Ideal for creative pros, medium to large businesses, and commercial/enterprise NAS systems •For RAID-optimized NAS systems with an unlimited number of bays •Rated for 550TB/year workloads1 and up to 2.5M hours MTBF Compatibility RAID-optimized NAS systems with unlimited # of bays