Description
High-Performance NVMe Storage for Data-Driven Enterprises
The WD Ultrastar DC SN655 NVMe SSD delivers exceptional performance for data centers that demand ultra-fast read speeds and reliable uptime. Powered by PCIe Gen 4.0 and a cutting-edge NVMe 1.4b controller, this 7.68TB drive reaches read speeds of up to 6800 MB/s and offers superior random IOPS to handle modern, unstructured workloads including AI, machine learning, and big data analytics.
With dual-port redundancy, power-loss protection, and an enterprise-grade 2.5M MTBF rating, the SN655 ensures consistent performance and reliability for mission-critical operations. Backed by a 5-year limited warranty and engineered with Western Digital BiCS5 TLC 3D NAND, this drive scales with your storage infrastructure using U.3 and U.2 compatibility.
Ideal for cloud providers, hyperscale environments, and enterprise deployments that prioritize data throughput, QoS, and performance at scale.
| Specification | Details |
|---|---|
| Manufacturer | Western Digital Corporation |
| Part Number | 0TS2459 |
| Product Series | Ultrastar DC SN655 |
| Model | WUS5EA176ESP7E1 |
| Form Factor | 2.5" U.3 (15 mm) |
| Interface | PCI Express NVMe 4.0 |
| NVMe Version | NVMe 1.4b |
| NAND Technology | BiCS5 TLC 3D NAND |
| Storage Capacity | 7.68 TB |
| Read Speed (Max) | 6800 MB/s |
| Write Speed (Max) | 2000 MB/s |
| Random Read (4KB) | 980,000 IOPS |
| Random Write (4KB) | 80,000 IOPS |
| Power Loss Protection | Yes |
| MTBF | 2.5 million hours (projected) |
| Drive Endurance | 1 DWPD |
| Compatibility | PC, Linux |
| Warranty | 5-Year Limited |
| Dimensions (HxWxL) | 0.6" x 2.8" x 4" |
| Weight | 5.20 oz |
| Product 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
