SanDisk Ulltradimm-ssd for enterprise servers to test subject




SanDisk Ulltradimm memory bar for enterprise SSDs by TweakTown is subject to a test. The flash memory of the ssd communicates via the DDR3 memory interface for very low latency.

SanDisk kreegt the technology of the Ultra Low Level DIMM in hands at the acquisition of the company Smart Storage in 2013. The advantage of using the DDR3 interface over SATA, SAS or PCI-e interface is that the memory poet sits on the cpu and this shorter lines provide a lower latency. Also, the method is scalable and will be adding additional drives have a serious impact on the latency. The Ulltradimm consists of two Marvell 88SS9187 SATA 6Gbps / s-controllers in combination with a chip of Diablo Technologies. Sandisk comes with a version with 200GB and 400GB. TweakTown got the 400GB version for a test.

The 4K random read test and write Ulltradimm blows the competition away, according to the site. The latency was 0,011ms. Competitive SSD800MH 12Gbit / s SAS disk HGST put there a latency of 0,03ms opposite, while the Samsung 845DC PRO SATA drive a score of 0,036ms drop. Two Ulltradimms in RAID0 took the test TweakTown some 240,000 IOPS with a latency of 0,05ms.

Not all storage testing the difference as large and especially the SAS disk HGST formed a formidable competitor. TweakTown judges nevertheless that Ulltradimm SanDisk the concept of low-level storage redefines and opens the doors to storage products for servers that are less complex, requiring fewer components and reduces the amount of cabling.

SanDisk Ulltradimm


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