Western Digital Ultrastar SN840 U.2 SSD 15.36TB

The Western Digital Ultrastar SN840 is an enterprise-grade solid-state drive in the U.2 form factor. It is available in capacities ranging from 1.6 TB to 15.36 TB. This description focuses on the 15.36 TB model. The drive connects to the host system via a high-speed PCI-Express 3.1 x4 interface. Powered by a custom Western Digital controller and paired with DRAM cache, the Ultrastar SN840 utilizes 96-layer 3D TLC NAND flash for optimal endurance and performance. With the PCIe 3.1 interface, the Ultrastar SN840 offers excellent sequential read speeds up to 3,470 MB/s and write speeds of up to 3,190 MB/s. It also delivers strong random I/O performance, reaching up to 780K IOPS for read and 149K IOPS for write, making it an ideal solution for demanding enterprise environments and data-intensive applications.

Specifications:
Form Factor: U.2
Interface: PCIe 3.0 x4
Power Draw: 5W idle | 25W max
Sequential Read: 3,470 MB/s
Sequential Write: 3,190 MB/s
MTBF: 2.5 Million Hours
Endurance (TBW): 28704.77 TB
Drive Writes Per Day (DWPD): 1.0
Warranty Period: 5 Years

For more detailed specifications visit the official website.