Modular RAID Controllers
85
Modular RAID 12Gb/s (SAS3.0)
5.2 RAID Controller "PRAID EM400i"
V ATTENTION!
Make sure you observe the safety notes in chapter "Important
information" on page 9.
The RAID controller "PRAID EM400i" (D2916) is a high-performance PCIe
Gen3 x 8 to 8-port SAS/SATA bridge built on the LSI SAS3108 dual core ROC
with 72-bit DDRIII interface that drives 1GB cache memory. It supports 1.5Gb/s,
3.0Gb/s, 6.0Gb/s and 12Gb/s SAS, SATA and solid state drives (SSDs) with
different RAID levels.
It includes onboard flash, for performing DDR3 SDRAM cache offload function
to protect data cache in case of host power failure. Furthermore it includes
monitoring and control circuitry for the remotely located SuperCap Module, as
well as onboard voltage regulator circuitry to create the proper voltage levels.
Figure 30: "PRAID EM400i " (based on LSI SAS3108)
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