PERC H840 RAID Adapter for External MD14XX Only, 8GB NV Cache, Low Profile/Full Height, Customer Install | Dell USA
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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
Dell RDH6Y PERC H840 Dual Port 12G 8GB Cache PCI-E RAID Controller [Full Height]