Western Digital Ultrastar DC SN640 3.84 TB 2.5″ PCI Express 3.1 NVMe 3D TLC NAND
- 3.84 TB 2.5″ PCI Express 3.1
- Read speed: 3100 MB/s 469000 IOPS
- Write speed: 1800 MB/s 63000 IOPS
- 3D TLC NAND NVMe 1.3
- Component for: Server/workstation
Accelerate Access to Critical Data for Data-Intensive Workloads and Applications
Ultrastar NVMe series SSDs perform at the speed of today’s business needs. Enabling faster intelligence & access to critical data, these SSDs meet the growing digital demands of your business applications.
Mainstream NVMe Ultrastar DC SN640 SSDs are optimized for consistent quality of service and low latency for mixed random read/write workloads commonly generated by top enterprise applications such as virtualization, OLTP, NoSQL, web servers, file servers and mail servers. Ultrastar DC SN640 enables a seamless transition from SATA SSDs, delivering high performance for deeper insights & faster results for today’s data intensive applications.
Enterprise Solutions Made Better by NVMe
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.
| Features |
| Mean time between failures (MTBF) |
2000000 h |
| Uncorrectable Bit Error Rate (UBER) |
< 1 per 10^17 bits read |
| Read latency |
208 µs |
| Random write (4KB) |
63000 IOPS |
| Random read (4KB) |
469000 IOPS |
| Write speed |
1800 MB/s |
| Read speed |
3100 MB/s |
| Component for |
Server/workstation |
| Memory type |
3D TLC NAND |
| NVMe version |
1.3 |
| NVMe |
Yes |
| Interface |
PCI Express 3.1 |
| SSD form factor |
2.5″ |
| SSD capacity |
3.84 TB |
| Power |
| Power consumption (idle) |
5 W |
| Operating voltage |
12 V |
| Weight & dimensions |
| Weight |
95 g |
| Height |
7 mm |
| Depth |
100.5 mm |
| Width |
69.8 mm |
| General |
| Product family |
Ultrastar |
| Operational conditions |
| Storage temperature (T-T) |
-40 – 85 °C |
| Operating temperature (T-T) |
0 – 70 °C |
| Logistics data |
| Harmonized System (HS) code |
84717070 |
