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.
| Protocol | NVMe | 
| Write transfer speed | 1800 MB/s | 
| Read transfer speed | 3100 MB/s | 
| Max. random 4K read | 468000 IOPS | 
| Max. random 4K write | 115000 IOPS | 
| Item number | 15643021 | 
| Manufacturer | WD | 
| Category | SSD | 
| Manufacturer no. | 0TS1954 | 
| Release date | 12.4.2021 | 
| External links | 
| SSD type | SATA SSD | 
| Form factor | 2.5" | 
| Storage capacity | 3200 GB | 
| Protocol | NVMe | 
| Read transfer speed | 3100 MB/s | 
| Write transfer speed | 1800 MB/s | 
| Memory type (NAND) | TLC | 
| Max. random 4K read | 468000 IOPS | 
| Max. random 4K write | 115000 IOPS | 
| SSD Features | AES encryption, Password protected | 
| Power consumption (standby) | 5 W | 
| Power consumption | 12 W | 
| Manufacturer commitment | SBTi | 
| CO₂-Emission | |
| Climate contribution | 
| Length | 10.05 cm | 
| Width | 6.99 cm | 
| Height | 0.70 cm | 
| Weight | 95 g | 
How often does a product of this brand in the «SSD» category have a defect within the first 24 months?
Source: Digitec GalaxusHow many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec GalaxusHow often is a product of this brand in the «SSD» category returned?
Source: Digitec Galaxus