Western Digital Ultrastar DC SN620 DATA SHEET
Ultrastar® DC SN620
DATA SHEET
2.5-inch U.2 NVMe SSD 3.84TB, 3.2TB, 1.92TB and 1.6TB
Features & Benefits
••PCIe Gen 3, x4 interface and NVMe™ 1.2 compliant with in-box driver support
••Industry-standard 2.5-inch U.2 small form factor for high serviceability
••Capacities up to 3.84TB1
••Optimized for read-intensive & mixed-use workloads
••Up to 132K IOPS (70/30 random mixed workload)
••Half the power consumption compared to 25W PCIe SSD solutions
••Hot Swap/Hot Plug support with data-loss protection
••Includes Guardian Technology™ Platform for improved flash endurance and data integrity/ protection
••MTBF rating of 2 million hours
••Instant Secure Erase (ISE)
Specialized for the Following Applications
••Direct-attached Storage (DAS)
••Cloud and hyperscale storage
••Virtualization
••OLAP
••File/web servers
••Media streaming & VoD
*Compared to CloudSpeed™ Gen. II SATA SSDs from the SanDisk brand
NVMe™ DATA CENTER SSDs
Economies of Scale Propel Cloud Storage
Cloud services are revolutionizing how companies think of data storage by transitioning from fixed-cost IT infrastructure to variable cost models. As more business services move to the cloud to reap the benefits of the “pay as you go” model, the demands on cloud service providers to scale increase exponentially. Finding ways to maximize and streamline storage by running concurrent workloads across the storage infrastructure has become essential. Furthermore, cloud storage services must offer high availability and consistent I/O performance to be delivered 24/7, 365 days a year. Ultrastar® DC SN620 NVMe™ SSDs (previously known as SanDisk® Skyhawk™ and Skyhawk Ultra) help customers meet these rigorous requirements at a viable $/GB.
Ultrastar DC SN620 SSDs Help Increase Productivity and Lower TCO
SATA SSDs have long been used in data centers and cloud storage. But as capacity needs grow along with the necessity to access data with minimal latency, the adequacy of the interface bandwidth between the host and the drive comes under scrutiny. With no announced evolution of the SATA standard beyond SATA 3.x (6Gbps), the use of SATA SSDs in the cloud has reached performance limits. While capacity and bandwidth can be scaled by supplementing more SATA drives, they will come at the cost of increased floor space and lower PUE (Power Usage Effectiveness). The sprawling effect of SATA SSDs can be mitigated by the use of Ultrastar DC SN620 NVMe-compliant SSDs. By delivering 3x the bandwidth of enterprise SATA SSDs*, Ultrastar DC SN620 SSDs can yield server consolidation benefits as much as 3:1.
Highly Reliable Storage Innovation
Utilizing the industry standard NVMe command protocol that lowers latency and improves bandwidth, Ultrastar DC SN620 PCIe SSDs enable a cost-effective transition to next-generation storage platforms.
Available in the 2.5-inch small form factor with typical power consumption under 11W and hot-swap capability, Ultrastar DC SN620 PCIe SSDs simplify large-scale deployment in the data center. This results in efficient workload utilization, a lower thermal profile compared to 25W PCIe SSDs and improved TCO.
Ultrastar DC SN620 SSDs are powered by an innovative Guardian Technology Platform, a comprehensive suite of enterprise features comprised of FlashGuard™, DataGuard™, and EverGuard™ technologies. By leveraging Western Digital’s history of providing world class enterprise storage solutions, manufacturing excellence combined with commitment to reliability leadership, Ultrastar DC SN620 SSDs enable data center customers to innovate with minimal risk.
Options to Simplify Data Security
Compliance and privacy requirements drive the need for increased data security. Ultrastar DC SN620 models with Instant Secure Erase (ISE) are not considered selfencrypting drives, but use behind-the-scenes encryption keys to expedite drive redeployment and retirement. Secure Erase (SE) models use industry-standard commands to securely erase without the use of encryption technology.
Ultrastar® DC SN620
DATA SHEET NVMe DATA CENTER SSDs
Specifications
Model |
<1 DW/D |
>1 DW/D |
|
|
|
Configuration |
|
|
Capacity1 |
3.84TB / 1.92TB |
3.2TB / 1.6TB |
Form Factor |
|
U.2 2.5-inch drive |
Interface |
|
PCIe 3.0 x4 NVMe™ 1.2 |
Endurance (Drive writes per day, DW/D)² |
0.5 / 0.6 |
1.2 / 1.7 |
Flash Memory Technology |
|
15nm MLC NAND |
|
|
|
Performance³ |
|
|
Sequential Read, (max MiB/s, 128KiB, QD32) |
1,700 |
1,700 |
Sequential Write, (max MiB/s, 128KiB, QD32) |
1,100 |
1,100 |
Random Read (max IOPS, 4KiB, QD32) |
250,000 |
250,000 |
Random Write (max IOPS, 4KiB, QD32) |
38,000 |
83,000 |
Mixed Random Read/Write (max IOPS 70%R/30%W, 4KiB, QD32) |
89,000 |
132,000 |
|
|
|
Latency |
|
|
Average Random Read Latency, 4KiB, QD32 (μs) |
128 |
128 |
Average Random Write Latency, 4KiB, QD32 (μs) |
1,455 / 842 |
780 / 386 |
|
|
|
Reliability |
|
|
Uncorrectable Bit Error Rate (UBER) |
|
1 in 1017 |
Data Retention |
|
3 months at 40° C |
MTBF4 |
|
2 million hours |
Annualized Failure Rate (AFR)4 |
|
0.44% |
Limited Warranty5 |
|
5 years |
Electrical |
|
|
Requirement (DC +/- 10%) |
|
12V |
Operating (W, average) |
|
10 |
Idle (W, average) |
|
5.2 |
|
|
|
Environmental |
|
|
Operating Temperature |
|
0° C to 70° C |
Non-operating Temperature |
|
-40° C to +85° C |
|
|
|
Physical |
|
|
Dimensions (width x depth, mm) |
|
100.45 x 69.85 |
Weight (g, max) |
|
125 |
z-height (mm) |
|
15 |
|
|
|
Feature |
Part Number |
Model Number |
Capacity |
Endurance |
|
|
|
|
|
Instant Secure Erase |
0TS1842 |
SDLC2CLR-019T-3NA1 |
1.92TB |
0.6 DW/D |
|
0TS1844 |
SDLC2LLR-038T-3NA1 |
3.84TB |
0.5 DW/D |
|
0TS1841 |
SDLC2CLR-016T-3NA1 |
1.6TB |
1.7 DW/D |
|
0TS1843 |
SDLC2LLR-032T-3NA1 |
3.2TB |
1.2 DW/D |
|
|
|
|
|
Secure Erase |
0TS1846 |
SDLC2CLR-019T-3BA2 |
1.92TB |
0.6 DW/D |
|
0TS1848 |
SDLC2CLR-038T-3BA2 |
3.84TB |
0.5 DW/D |
|
0TS1845 |
SDLC2CLR-016T-3BA2 |
1.6TB |
1.7 DW/D |
|
0TS1847 |
SDLC2CLR-032T-3BA2 |
3.2TB |
1.2 DW/D |
|
|
|
|
|
¹One gigabyte (GB) is equal to 1,000MB (one billion bytes) and one terabyte (TB) is equal to 1,000GB (one trillion bytes) when referring to solid-state capacity. Accessible capacity will vary from the stated capacity due to formatting and partitioning of the drive, the computer’s operating system, and other factors.
²Endurance rating based on JESD-219 Workloads over 5 years
³Performance will vary by capacity point, or with the changes in useable capacity.
Consult product manual for further details. All performance measurements are in full sustained mode and are peak values.Subject to change. 1MiB= 1,048,576 bytes or 220. 1KiB= 1,024 bytes or 210.
MTBF and AFR targets are based on a sample population and are estimated by statistical measurement and acceleration algorithms under median operating conditions. MTBF and AFR rating do not predict an individual drive’s reliability and do not constitute a warranty.
The lesser of 5 years from the date of manufacture of the product or the date on which the product’s relevant endurance thresholds set forth in the product specifications are reached
Internal temperature sensor reading
5601 Great Oaks Parkway San Jose, CA 95119, USA
US (Toll-Free): 800.801.4618 International: 408.717.6000
www.wdc.com/dc-sn620 www.wdc.com/dc-support
© 2017-18 Western Digital Corporation or its affiliates. All rights reserved. Produced 2/17. Rev. 7/18. Western Digital, the Western Digital logo, SanDisk, CloudSpeed, DataGuard, EverGuard, FlashGuard, Guardian Technology, and Ultrastar are registered trademarks or trademarks of Western Digital Corporation or its affiliates in the U.S. and/or other countries. All other marks are the property of the respective owners. References in this publication to Western Digital products, programs, or services do not imply that they will be made available in all countries. Product specifications provided are sample specifications that are subject to change and do not constitute a warranty. Please visit the Support section of our website, www.wdc.com/dc-support, for additional information on product specifications. Pictures shown may vary from actual products.
WDS30-EN-US-0718-01
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