The HP Smart Array P420 Controller is a low profile, 6 Gb/s, PCIe 3.0, Serial Attached SCSI (SAS) RAID controller that provides enterprise class, storage performance and data protection for select HP ProLiant Gen8 rack and tower servers. It features eight internal SAS ports and delivers increased server uptime by providing advanced storage functionality, including online RAID level migration (between any RAID levels) with flash back write cache, global online spare, and pre-failure warning.

Data Compatibility among all models of Smart Array controllers allows simple and easy migration at any time when needs for higher performance, capacity, and availability increase. Even new generations of Smart Array controllers can understand the data format of previous generations of Smart Array controllers.        

Features

Increased performance and data protection, with reduced initial setup time

Up to 3x performance improvement over past generation, using up to 2 GB DDR3-1333 cache memory
Long term data retention with flash back write cache (FBWC) offered as a standard feature, up to 2 GB capacity
Support for RAID 0/1, 10, 5, 50, and RAID 6 & 60
New predictive spare activation for improved rebuild and maximized uptime


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