DD4G0: Dell 960GB SATA 2.5 inch SSD Samsung SM863a

Dell part number DD4G0 is a 960GB 6Gbps 512n SATA 2.5-inch solid-state drive. For Dell XC Series appliances of the 13th and 14th generation it is paired with Samsung model MZ7KM960HMJP0D3, carried at firmware GD57.

MZ7KM960HMJP belongs to Samsung SM863a, the write-intensive member of Samsung's 3rd-generation V-NAND SATA data center pair. Samsung positions it for online transaction processing, email and database servers.

At 960 GB it reaches 510 MB/s sequential read and 485 MB/s sequential write (128 KB), with 4 KB random performance of 95K read and 25K write IOPS at queue depth 32. Endurance is 6,160 TB written, equal to 3.6 drive writes per day over five years, and MTBF is 2,000,000 hours.

The drive is a 2.5-inch, 7 mm unit on a SATA 6.0 Gbps interface, no larger than 100.2 x 69.85 x 6.8 mm and 60 g. Data stays protected through end-to-end data protection, power loss protection and a Dynamic Thermal Guard that watches temperature to avoid thermal shutdown. A 256-bit AES hardware engine handles encryption without the slowdown of software encryption.