Western Digital Ultrastar DC SN861 3.84 TB U.2 PCI Express 5.0 NVMe

3.84 TB, U.2, 15 mm, Security ISE, NVMe SSD

Key Features

• Engineered for minimal power consumption, optimizing efficiency and reducing operational costs without compromising performance
• Achieve optimized solutions at low cost for your enterprise's mixed workloads with high-speed random read performance

Description

Redefining the limits for high-performance storage
Be ready for the future of mission critical workloads with the Western Digital Ultrastar DC SN861. The latest Western Digital SSD with a cutting-edge PCIe Gen5 enterprise-class speeds, the Ultrastar DC SN861 offers exceptional performance and multiple capacities up to 7.68TB1 options. With high random read speeds and low power consumption, the DC SN861 is optimized for compute-intensive AI and machine learning applications, ensuring superior read/write performance, extremely low latency, and maximize IOPs/Watt. The DC SN861 also provides a rich feature set including NVMe™ 2.02 and OCP 2.0 support, 1 & 3 DWPD2, and a 5-year limited warranty3, making it the ideal solution for hyperscale, cloud, and enterprise data centers.

Ready for the Demands of AI Workloads
Designed to handle compute-intensive AI and machine learning applications which require high bandwidths and low latencies.

Superior Performance and Capacity
Experience future-ready PCIe Gen5 read/write speeds with capacities up to 7.68TB1.

Designed for Power Efficiency
Architected to provide heightened performance per watt, optimizing power efficiency and reducing operational costs.

Outstanding Mixed Workload Performance
High-speed random reads provide enhanced solutions at low cost for your enterprise.

Optimized for Quality of Service (QoS)
Reduce latency during mission-critical workloads, delivering consistent Quality of Service (QoS) for your applications, even under heavy workloads.

Rich Enterprise Features
Benefit from enterprise-class features such as Power Loss Protection, End-to-End Data Path Protection, and TCG security and encryption, helping ensure data integrity and security

Future-Ready Data Infrastructure
Designed to support NVMe™ 2.02, and NVMe™ MI 1.2c, along with Flexible Data Placement (FDP)4 and OCP 2.0 supportive, for enhanced scalability and efficiency.

Specifications

Hard drive
SSD capacity	3.84 TB
Data transmission
Read speed	13700 MB/s
Write speed	7200 MB/s
Random write (4KB)	330000 IOPS
Random read (4KB)	3300000 IOPS
Write latency	8 µs
Read latency	65 µs
Endurance
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^17 bits read
Mean time between failures (MTBF)	2500000 h
Features
Interface	PCI Express 5.0
Component for	Server/workstation
NVMe	Yes
NVMe version	2.0
SSD capacity	3.84 TB
Read speed	13700 MB/s
Write speed	7200 MB/s
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^17 bits read
Random write (4KB)	330000 IOPS
Random read (4KB)	3300000 IOPS
Mean time between failures (MTBF)	2500000 h
Write latency	8 µs
Read latency	65 µs
Hardware encryption	Yes
SSD form factor	U.2
Drive writes per day (DWPD)	1
Power
Power consumption (idle)	-5 W
Performance
Interface	PCI Express 5.0
Component for	Server/workstation
NVMe	Yes
NVMe version	2.0
SSD capacity	3.84 TB
Read speed	13700 MB/s
Write speed	7200 MB/s
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^17 bits read
Random write (4KB)	330000 IOPS
Random read (4KB)	3300000 IOPS
Mean time between failures (MTBF)	2500000 h
Write latency	8 µs
Read latency	65 µs
Hardware encryption	Yes
Design
Component for	Server/workstation
SSD form factor	U.2
Weight & dimensions
Width	69.8 mm
Height	15 mm
Depth	100.4 mm
Operational conditions
Operating temperature (T-T)	0 - 70 °C
Storage temperature (T-T)	-40 - 85 °C
Technical details
Interface	PCI Express 5.0
Operating temperature (T-T)	0 - 70 °C
Storage temperature (T-T)	-40 - 85 °C
Hardware encryption	Yes
SSD form factor	U.2
Warranty period	5 year(s)
Other features
Warranty period	5 year(s)
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^17 bits read