Western Digital DC SN861 BICS6 3.2TB U.2 PCIe 5.0 NVMe SSD
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Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Technical details | |
| Device type | SSD |
| Weight & dimensions | |
| Height | 15 mm |
| Width | 69.8 mm |
| Depth | 100.4 mm |
| Energy management | |
| Operating voltage | 12 V |
| Power consumption (idle) | 5 W |
| Power consumption (max) | 20 W |
| Power consumption (average) | 5 W |
| Operational conditions | |
| Storage temperature (T-T) | -40 - 85 °C |
| Operating temperature (T-T) | 0 - 70 °C |
| Other features | |
| Warranty period | 5 year(s) |
| Features | |
| Drive capacity | 3.2 TB |
| Interface | PCI Express 5.0 |
| Mean time between failures (MTBF) | 2500000 h |
| Data transfer rate | 5 Gbit/s |
| ECC | ![]() |
| Read speed | 13700 MB/s |
| Write speed | 7200 MB/s |
| S.M.A.R.T. support | ![]() |
| Random write (4KB) | 655000 IOPS |
| Random read (4KB) | 3300000 IOPS |
| Component for | Server/workstation |
| Uncorrectable Bit Error Rate (UBER) | < 1 per 10^17 bits read |
| Read latency | 65 µs |
| Write latency | 8 µs |
| Enhanced Power Loss Data Protection technology | ![]() |
| Hardware encryption | ![]() |
| SSD temperature monitoring | ![]() |
| PCI Express interface data lanes | x4 |
| End-to-End Data Protection | ![]() |
| SSD form factor | U.2 |
| NVMe | ![]() |
| NVMe version | 2.0 |
| Temperature monitoring and logging | ![]() |
| Drive writes per day (DWPD) | 3 |
| Logistics data | |
| Country of origin | China |
| EAN | 0619659211288 |
| Warranty | 1 year |
The Western Digital DC SN861 is an enterprise-class NVMe U.2 solid-state drive engineered for demanding data center and AI workloads. Utilizing the PCIe Gen5 x4 interface and advanced BICS6 NAND technology, this storage solution is configured for high sustained throughput. It achieves sequential read speeds up to 13,700 MB/s and sequential writes reaching 7,200 MB/s. This level of bandwidth is crucial for rapidly processing large data sets and minimizing operational latency within server infrastructure.
Reliability and data integrity are primary design considerations for the SN861, which features a 3 DWPD endurance rating suitable for intensive daily write cycles. It is designed to maintain data consistency through end-to-end data protection, robust ECC functionality, and integrated Enhanced Power Loss Protection (PLP). The drive reports a Mean Time Between Failures (MTBF) of 2.5 million hours, confirming its readiness for deployment in 24/7 enterprise environments requiring sustained operational stability and advanced security capabilities.
Key Features:- 3.2 TB storage capacity
- U.2 15mm form factor
- PCIe Gen5 x4 interface using NVMe 2.0 protocol
- Up to 13,700 MB/s sequential read speed
- Up to 7,200 MB/s sequential write speed
- 3,300,000 IOPS random read performance (100% span)
- 2.5 million hours Mean Time Between Failures (MTBF)
- Rated for 3 drive writes per day (DWPD) endurance
- Integrated Enhanced Power Loss Protection (PLP)
- Supports TCG security and hardware encryption
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Today: 10:00 - 17:00
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Today: 10:00 - 18:00
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Today: 10:00 - 17:00
- leaflet (English)

