WUS5EC1C1ESP7Y3 Western Digital Ultrastar 61.44TB PCI E NVMe Solid State Drive
Out of stock
WUS5EC1C1ESP7Y3 Overview
The Western Digital Ultrastar DC SN655 61.44 TB is a U.3 2.5‑inch PCIe 4.0 ×4 NVMe solid‑state drive engineered for read‑intensive data‑center and server workloads. It uses NVMe 1.4 and PCIe Gen4 technology paired with Western Digital BiCS5 3D TLC NAND flash, delivering a balanced mix of throughput and endurance suitable for cloud services, large‑scale analytics, distributed databases, and AI/ML applications in enterprise environments. The drive offers high sequential performance with read speeds up to about 4,300 MB/s and write speeds up to around 3,150 MB/s, along with robust random I/O performance (approximately 890,000 IOPS for random reads) that helps ensure responsive access to large datasets under heavy concurrency.
WUS5EC1C1ESP7Y3 Technical Specifications
Western Digital Ultrastar DC SN655 61.44TB PCI Express NVMe 4.0 U.3 ISE Solid State Drive
Manufacture Part Number: WUS5EC1C1ESP7Y3
Storage Capacity: 61.44 TB
Internal solid state drive
Enterprise / data center class
ISE (Integrated Security Encryption) SSD
Interface & Form Factor
PCI Express 4.0 (NVMe 1.4)
U.3 form factor, 15 mm height
NAND & Technology
TLC 3D NAND
Performance
Sequential read speed up to 4300 MB/s
Sequential write speed up to 3150 MB/s
Random read performance up to 890,000 IOPS
Random write performance up to 29,000 IOPS
Read latency ~115 µs
Write latency ~40 µs
Endurance & Reliability
Endurance: ~1 DWPD (Drive Writes Per Day)
MTBF: ~2.5 million hours
Uncorrectable Bit Error Rate (UBER) < 1 per 10¹⁷ bits read
Enterprise-class 5-year warranty
Power & Environment
Typical idle power consumption < 8 W
Operating temperature: 0 °C to 70 °C
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