Western Digital Ultrastar DC SN655 61.44TB U.3 NVMe SSD - PCIe 4.0 Read-Intensive

Western DigitalSKU: 0TS2512
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Description

Power your data center with the Western Digital Ultrastar DC SN655 61.44TB NVMe SSD, engineered for read-intensive cloud and AI/ML workloads. Built with Western Digital’s NVMe 1.4b controller, BiCS5 TLC 3D NAND, and PCIe Gen 4.0, this U.3 form factor SSD delivers blazing-fast reads up to 4.2 GB/s and 890K IOPS with dual-port redundancy and robust power loss protection. Designed for high-density infrastructure, it supports emerging big data applications and ensures long-term reliability with 1 DWPD endurance and a 5-year limited warranty.

Specification Details
Brand Western Digital
Series Ultrastar DC SN655
Model WUS5EC0C1ESP7Y4 (0TS2512)
Capacity 61.44 TB
Interface PCI Express NVMe 4.0
Form Factor U.3 15 mm
Flash Type BiCS5 TLC 3D NAND
Max Sequential Read 4.20 GB/s
Max Sequential Write 3.08 GB/s
Random Read (4KB) 890,000 IOPS
Random Write (4KB) 29,000 IOPS
Endurance 1 DWPD (Drive Writes Per Day)
MTBF 2.5 Million Hours (Projected)
Device Support Server, Data Center
Operating Systems Windows, Windows Server, Linux
Dimensions (H x W x L) 0.6" x 2.8" x 4"
Weight 5.20 oz (Approx.)
Warranty 5-Year Limited Warranty
Condition New and Factory Fresh
Shipping Weight 1 lb

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Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


For damaged or incorrect items, please contact us immediately.


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Building a Complete AV System?

This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.

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