Western Digital WD Red Plus 4TB NAS HDD (WD40EFPX) — 3.5" SATA, 5400 RPM, 256MB Cache, CMR
4.3(22 ratings)Designed for home offices, power users, small-to-medium businesses and both consumer and commercial NAS deployments, the Western Digital 4TB WD Red Plus (model WD40EFPX) is a 3.5" internal SATA hard drive built for RAID-optimized NAS systems supporting up to 8 bays. It employs CMR recording, spins at 5400 RPM and includes a 256MB cache for reliable sustained performance. Specifications: Capacity: 4TB; Interface: SATA; Form factor: 3.5" internal; RPM: 5400; Cache: 256MB; Recording: CMR; Model: WD40EFPX. Intended for NAS use, this drive is rated for a 180TB/year workload and has an MTBF of 1M hours.
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