Western Digital Ultrastar SN655 U.3 SSD 15.36TB

The Western Digital Ultrastar SN655 is an enterprise-grade solid-state drive in the U.2 form factor. It is available in capacities ranging from 3.84 TB to 61.44 TB. This description focuses on the 15.36 TB model. The drive connects to the host system via a high-speed PCI-Express 4.0 x4 interface. Powered by a custom Western Digital controller and paired with DRAM cache, the Ultrastar SN655 utilizes 3D NAND flash technology for optimal endurance and performance. The SSD is equipped with Western Digital’s advanced 96-layer 3D TLC NAND, ensuring reliable and efficient operation. With the PCIe 4.0 interface, the Ultrastar SN655 delivers impressive sequential read speeds up to 6,800MB/s and write speeds of up to 3,400 MB/s. It also provides high random I/O performance, reaching up to 1100K IOPS for read and 135K IOPS for write, making it an excellent choice for demanding enterprise workloads, including cloud, data centers, and high-performance computing applications.

Specifications:
Form Factor: U.3
Interface: PCIe 4.0 x4
Power Draw: 5W idle | 20W max
Sequential Read: 6,800MB/s
Sequential Write: 3,700MB/s
MTBF: 2.5 Million Hours
Endurance (PBW): 28.03 PB
Drive Writes Per Day (DWPD): 1.0
Warranty Period: 5 Years

For more detailed specifications visit the official website.