Capacity Storage for the Modern Datacenter.

Datacenter Hard Drives

WD Re WD Re+ WD Se WD Ae
Performance-optimized high-capacity storage for high-intensity applications. Power-optimized, high-capacity storage for high-availability deployments. High-performance, high-capacity storage for mid-intensity applications. The maximum capacity energy-efficient cold storage HDD.
Designed For Datacenter storage, high-end NAS/SAN and Surveillance, and performance-oriented high capacity storage. Power-sensitive datacenters with applications that demand high-intensity workloads. Bulk cloud storage, replicated environments, content delivery networks (CDNs), entry level servers, and backup. Datacenter archive storage, cold storage servers, tape library disk layer, tape library and VTL replacement.
Capacity 250 GB - 6 TB 5 TB - 6 TB 1 TB - 6 TB 6.x TB (Mean Capacity)
Interface SAS 6 Gb/s
SATA 6 Gb/s
SATA 3 Gb/s
SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s
MTBF 1.2 M - 1.4 M hours 1.2 M hours 800 K - 1 M hours 500 K hours
Workload 550 TB per year 550 TB per year 180 TB per year 60 TB per year
Format 512n / 512e / 4Kn 512e 512e Advanced Format (AF)
Cache 32, 64 MB and 128 MB 128 MB 64 MB and 128 MB 64 MB
Form Factor 3.5-inch 3.5-inch 3.5-inch 3.5-inch
Limited Warranty 5-year 5-year 5-year 3-year