Name: Ultrastar DC SN640
Brand: WD
SKU: 15643021
Rating: 5 (1 reviews)

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The Western Digital Ultrastar DC SN640 is a powerful SATA SSD specifically designed for use in servers and workstations. With a storage capacity of 3.2 TB, it provides ample space for large amounts of data and applications. The SSD utilizes NVMe technology over a PCIe interface, resulting in impressive read and write speeds of up to 3100 MB/s and 1800 MB/s, respectively. This high performance makes it ideal for data-intensive applications that require fast access times. The Ultrastar DC SN640 is also equipped with advanced security features, including AES encryption and password protection, to ensure the integrity and confidentiality of stored data. With a compact 2.5-inch form factor and a height of just 7 mm, it is versatile and fits into a variety of systems.

- Maximum random 4k read performance of 468,000 IOPS
- Maximum random 4k write performance of 115,000 IOPS
- TLC NAND flash technology for improved performance and durability
- Energy efficient with a power consumption of only 12 watts under load
- Supports AES encryption for enhanced data security.

Actual product image WD Ultrastar DC SN640 (3200 GB, 2.5")

Key specifications

Interface version

Protocol

Read transfer speed

The read rate determines how fast the data on the storage medium can be read or transferred by a computer.

Write transfer speed

Data transfer rate or just transfer rate is the average number of bits, characters, or blocks per unit time passing between equipment in a data transmission system.

Max. random 4K read

This key figure indicates how many small file blocks (4 kilobytes) can be read from the SSD per second. A higher value means faster response times when starting programmes and loading files in everyday use.

Max. random 4K write

This key figure shows how many small file blocks (4 kilobytes) can be written to the SSD per second. A higher value ensures smoother work when saving files or installing software.

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