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 |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
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.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
