HPE MR216i-a Gen10 Plus x16 Lanes without Cache NVMe/SAS 12G Controller. Supported storage drive interfaces: SAS, Serial ATA, Host interface: PCI Express x16. RAID levels: 0, 1, 10, Internal memory: 4098 MB, Certification: See HPE MR Gen10 Plus Controllers QuickSpecs. Width: 3.91" (99.2 mm), Depth: 3.91" (99.2 mm), Height: 3.91" (99.2 mm). Chassis type: (MR416i-p Gen10 Plus / MR216i-p Gen10 Plus) – Standard HHHL PCIe plug-in Controller (MR416i-a..., Weight (imperial): 0.273 lbs, Internal ports: 2x8 host / x16 internal tri-mode