seagate constellation st4000nm0024 4TB 3.5in SATA HDD — 7200RPM 128MB Cache

Enterprise-grade 4TB seagate constellation st4000nm0024 3.5in hard disk drive with 7200RPM spindle speed and 128MB cache. Built for continuous 24/7/365 heavy-duty use, this model is marketed as the industry's highest-reliability 7200-RPM drive with an MTBF of 2.0M hours and an AFR of 0.44%. Compatible with any brand SATA Desktop PC, NAS, RAID arrays, Servers, Desktop PC, and Surveillance System. Sold as a bare drive only, single pack — no screws, cables or accessories included. Friendly reminder: please FORMAT HDD on system in order to be detected/shows on system. Includes 3 Years Warranty from Reseller; Worry Free Return with 100% Full Refund.