7500-4LP-OEMRegular price: $279.00Sale price: $179.00 3Ware 7500-4LP 4-port Low Profile Parallel RAID Controller3Ware 7500-4LP 4-port parallel Low Profile ATA RAID controller - for HPC Linux Clusters, storage server with IDE 100/133 HDDs. Best for 2U storage server with Low Profile rear windows.