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WD Ultrastar DC SA620 400GB 2.5" SATA3 SSD

Home :: Storage Devices (HDDs) :: Hard Drives & SSDs :: Solid State Drives ::

Price: $217.00

Manufacturer: WD

400GB, SATA 3 (6GB/s), 2.5", 15nm MLC NAND, 512 MB/s, 445 MB/s, 56 μs, 89.9 g

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National Warehouse (Shipping Availability):
Usually Ships in 24-48 Hours
Product # Manufacturer # UPC # Status
52409274 0TS1819 - Active


General Information
Summary Optimized for Read-Intensive Workloads in the Cloud and at the Edge
Cloud and Software-defined Storage environments require elastic infrastructure to be able to adapt to continuously changing workload and data requirements. Delivering performance and capacity at the right time, while staying on budget, is essential to success. Western Digital’s Ultrastar DC SA620 SATA SSDs enable price/performance with mixed-use endurance options to support elasticity required for cloud data centers to succeed. SATA SSDs also play a role in edge computing, where applications like content delivery networks (CDNs) are moving away from centralized data centers to locations closer to those who are consuming the content. In such environments, data access speed is essential. SATA SSDs are key to delivering cost-effective performance for these read-intensive environments. Our purpose-built Ultrastar DC SA210 drives deliver price/performance to edge servers and read-intense CDNs, and are also well-suited for use as boot drives. With capacities as low as 120GB up to 1.92TB, you can choose the right capacity point for your operating system and logging requirements.

Delivering Edge and Cloud Economics
Purpose Built
Performance and endurance options deliver cost-efficiency to Cloud/Edge

Efficient Capacity
With models as low as 120GB, find a drive that fits your needs and budget

Enterprise Grade
All drives offer a 5-year limited warranty and 2M hr MTBF rating

Enterprise Solutions Made Affordable by SATA
Everywhere data lives, from sensors to mobile devices to the cloud, we’re driving the innovation necessary to stay ahead of new demands. Our breadth of expertise and level of integration gives us an unmatched ability to deliver carefully calibrated solutions for every type and use of data.

Mid-Range Endurance
Models with 0.6 DW/D and 1.8 DW/D endurance rating (random workload) over a 5-year limited warranty

Efficient Capacity
Up to 1.92TB capacity based on 15nm MLC NAND, optimized for cloud and hyperscale environments

Throughput for Cloud & SDS
Up to 512 MiB/s sequential read and up to 56K IOPS mixed 70/30 R/W; write latency as low as 56μs
SSD form factor 2.5"
SSD capacity 400 GB
Interface Serial ATA III
Memory type MLC
Component for PC/notebook
Hardware encryption N
Read speed 512 MB/s
Write speed 445 MB/s
Data transfer rate 6 Gbit/s
Random read (4KB) 76000 IOPS
Random write (4KB) 32000 IOPS
Write latency 56 µs
Lithography 15 nm
Uncorrectable Bit Error Rate (UBER) <1 sector per 1^10 bits read
Mean time between failures (MTBF) 2000000 h
Windows operating systems supported Y
Mac operating systems supported Y
Linux operating systems supported Y
Endurance rating (for 3 years) 3 GB/day
Endurance rating (for 5 years) 1.8 GB/day
TBW rating 1314
Operating voltage 5 V
Power consumption (read) 2.6 W
Power consumption (write) 3.8 W
Power consumption (idle) 1.6 W
Operational conditions
Operating temperature (T-T) 0 - 70 °C
Storage temperature (T-T) -40 - 85 °C
Weight & dimensions
Width 69.8 mm
Depth 100.2 mm
Height 7.17 mm
Weight 89.9 g


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