WD Datacenter Hard Drives
Elemental storage building blocks for every datacenter


WD Datacenter Hard Drives

Compare WD Datacenter Hard Drives:
Datacenter Hard Drives

WD Re SAS
WD Re SAS

WD Re SATA
WD Re

WD Se
WD Se

WD Ae
WD Ae

Summary Performance-optimized high-capacity storage for high-intensity applications. Performance-optimized high-capacity storage for high-intensity applications. 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. Datacenter storage, high-end NAS/SAN and Surveillance, and performance-oriented high capacity storage. 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 1 TB - 4 TB 250 GB - 6 TB 1 TB - 4 TB 6 TB
Interface SAS 6 Gb/s SATA 6 Gb/s
SATA 3 Gb/s
SATA 6 Gb/s SATA 6 Gb/s
MTBF 1.2 M - 1.4 M hours Up to 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 512n / 512e / 4Kn Advanced Format (AF) Advanced Format (AF)
Cache 32 MB 64 MB and 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
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