Lenovo ServeRAID M5210 12Gb/s SAS/SATA PCIe RAID Controller + 1GB M5200 Flash

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Adaptec ASR-71605 16-Port 6Gbps SAS RAID Controller 1GB Cache IT Mode / RAID

HP 462976-001 650 mAh RAID Controller Battery - 462976001

HP Smart Array P420 SAS RAID +1GB Cache +Battery Unit. Cheap. Perfect condition.

Adaptec ASR 71605 1GB 16Port PCIe Raid + Battery +4* SFF-8643 to SATA Cables

LSI00202 Megaraid SAS 9260-8i SATA/SAS 2.0 RAID controller +BBU08 Battery

Dell PERC H810 8-Port SAS/SATA RAID Controller 1GB Cache