Dell RDH6Y PERC H840 Dual Port 12G 8GB Cache PCI-E RAID Controller [Full Height]
Dell 405-AANJ PERC H840 RAID Adapter for External MD14XX Only 8GB NV Cache Low Profile - ServerSupply.com
RDH6Y | Dell Perc H840 PCI-Express 3.0 SAS RAID Controller Card with 8GB Cache - Nexthdd.com
W59R3-HIGH P DELL PERC H840 ADAPTER 12GB/S SAS EIGHT PORT PCI-E 3.0 X8 RAID CONTROLLER - 6GB/S SATA 8 PORTS PCIE GEN3 SUPPORTED ( 2 ) TWO EXTERNAL MINI SAS HD SFF-8644