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20TB WD 0F38755 / WUH722020ALE6L4 - SATA 3.5-inch HDD Ultrastar DC HC560 512e SE Enterprise SATA 6.0 Gb/s, 512MB Cache
Price: $ 711.99 / Each
Qty:
Product Code: HD-HI-0F38755   Special Order(Non-Refundable)
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Product Description:

Western Digital Ultrastar DC HC560 3.5-INCH HELIUM PLATFORM DATA CENTER HARD DRIVES

Manufacturer Model Number: WUH722020ALE6L4
Manufacturer Part Number: 0F38755

Warranty: 5 Years Limited  Manufacturer Warranty

Product Highlights
• 20TB capacity in a standard 3.5-inch form factor
• ePMR & CMR technology works with all capacity enterprise applications & environments
• OptiNAND for highest capacities
• Reliable, field-proven, 7th generation HelioSeal design delivers outstanding power efficiency
• Industry-leading HDD technologies; OptiNAND, EAMR, TSA, HelioSeal
• 2.5M hours (projected) MTBF rating & 5-year limited warranty

Applications
• Cloud and hyperscale storage
• Massive scale-out (MSO), high-density data centers
• Distributed file systems
• Bulk storage using object storage solutions like CephTM and OpenStack® Swift
• Primary and secondary storage for Apache Hadoop® for big data analytics

Specifications:

Interface: SATA 6Gb/s

Capacity: 20TB
Format: Sector size (bytes): 4Kn: 4096, 512e: 512
Areal Density (Gbits/sq. in, max): 1131
Performance
Data buffer: (MB) 512
Rotational speed (RPM): 7200
Latency average (ms): 4.16
Interface transfer rate (MB/s, max): 600
Sustained transfer rate: (MB/s, max) / (MiB/s, max) 269/257
Reliability
Error rate (non-recoverable bits read): 1 in 1015
Load/Unload cycles (at 40°C) 600,000
Availability (hrs/day x days/wk) 24x7
MTBF: (M hours, projected) 2.5
Annualized Failure Rate: (AFR, projected) 0.35%
Workloads Up to 550 TB/year
Limited warranty (yrs) 5


This product is special order, which takes longer to process and cannot be returned.
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