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Help Me Choose: Storage Controllers

The following chart breaks down the different storage controller options for Dell Precision 5000/7000 Tower and Rack workstations.
5820 Tower
7820 Tower		 7920 Tower 7920 Rack
Integrated controller Intel AHCI 6Gb/s SATA controller with six ports for SATA drives and two ports reserved for optical drives.
Software SATA RAID 0, 1, 5, 10 is supported via Intel vROC technology.
Two M.2 NVMe SSD drives per CPU are also supported.		 Intel AHCI 6Gb/s SATA controller with eight ports for SATA drives and one port reserved for optical drives.
Software SATA RAID 0, 1, 5, 10 is supported via Intel vROC technology.
Two M.2 NVMe SSD drives per CPU are also supported.		 Two integrated Intel AHCI 6Gb/s SATA controllers with four ports each, for a total of eight SATA hard drives, and one port reserved for an optical drive.
Software SATA RAID 0, 1, 5, 10 is supported via Intel vROC technology.
Optional add-in controller MegaRAID® SAS 9440-8i 12Gb/s PCIe SATA/SAS controller with Software RAID 0, 1,5,10 MegaRAID® SAS 9440-8i 12Gb/s PCIe SATA/SAS controller with Software RAID 0, 1,5,10 PERC 9 H330+ Entry 12Gb/s PCIe SATA/SAS controller with Software RAID 0,1,5,10
Optional add-in controller MegaRAID® SAS 9461-16i 12Gb/s PCIe SATA/SAS Harware RAID controller with Hardware RAID 0,1,5,10, 4GB cache with Flash module/Super Cap backup MegaRAID® SAS 9461-16i 12Gb/s PCIe SATA/SAS Harware RAID controller with Hardware RAID 0,1,5,10, 4GB cache with Flash module/Super Cap backup PERC 10 H740P 12Gb/s, PCIe SATA/SAS Hardware RAID controller with Hardware RAID 0,1,5,10 with 8GB cache
Intel® Core™ Processors
Learn More about Intel