Western Digital Corp (WDC) announced its foray into the in-memory computing market segment. It is allowing select customers to sample a new Ultrastar DC ME200 Memory Extension Drive. The Ultrastar is WD's first product designed to provide near DRAM performance from a PCIe device.
The Ultrastar memory drive is drop-in ready and PCIe-device compatible with most Intel x86 servers. Available in 1TiB, 2TiB, and 4TiB, the solution requires no modifications to the operating system, system hardware, firmware or application stacks. WD recommendations a 1U server utilize no more than 24TiB of system memory from Ultrastar DC ME200 drives for in-memory compute clusters. Supported server interfaces are NVMe U.2 and PCIe AIC (add-in-card) HH-HL.
Western Digital has released some test results comparing the Ultrastar's performance to 786GB of pure RAM operating at 1080k transactions per second. When mixed 3:1 (576GB from Ultrastar:192GB RAM) the Ultrastar still provides 91% of the performance (983k transactions). As the percentage of memory provided by the Ultrastar increases, the transactions per second slowly falls to 85% of pure RAM (918k transactions) at 7:1 (672GB from Ultrastar:96GB RAM).
Currently, the Ultrastar supports the following operating systems:
Availability
The Ultrastar memory drive is currently available and sampling with select customers.
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