Description:HP Smart Array P408i-a SR Gen108 Internal Lanes/2GB Cache12Gb/s SAS Modular ControllerPart Number(s) Spare Part# 804334-002 Overview: The HP Smart Array P408i-a SR Gen10 Controller - supporting 12 Gb/s SAS and PCIe 3.0 - provides enterprise-class storage performance - reliability - security and efficiency needed to address your evolving data storage needs. This controller has eight internal SAS lanes - allowing connection to SAS or SATA drives - supports Mixed Mode operations of RAID and HBA simultaneously - and offers encryption for data-at-rest on any drive. The Smart Array P408i-a SR Gen10 Controller is ideal for maximizing performance while supporting advanced RAID levels with 2 GB Flash-Backed Write Cache (FBWC). Specifications: CategoryProliant Controller Sub-CategorySmart Array GenerationP408i-a Part Number804334-002 Products ID739898 ManufacturerHP Product TypeStorage Controller (RAID) InterfacePCI Express 3.0 x8 Lane Width Connector Type8 Internal SAS lanes Form FactorType-a Modular Controller Ports8 SAS lanes across 2 x 4 Mini SAS Ports Cache2GB Flash-Backed Write Cache RAID Level0 1 5 6 10 50 60 1 ADM 10 ADM Transfer Rate SAS12Gb/s per lane Transfer Rate SATA6Gb/s per lane Form FactorModular Type A [ Manufacturers Specs ] Enlarge Image of Part# 804334-002