SmartRAID-3254uc-16e 24Gbps SAS / SATA / NVMe PCIe Gen 4 Smart Storage - SmartRAID AdaptersProduct Name:C SmartRAID Ultra 3254-16e / eProduct Description: C 24Gbps SAS / SATA / NVMe PCIe Gen 4 Smart Storage Products - SmartRAID AdaptersInternal Ports: C 0External Ports: C 16Bus Type: C PCIe Gen 4PCIe Lanes: C x16Cache Memory: C 4 GB DDR4 / 3200 MHzBasic RAID: C 0,1,10Advanced RAID: C 5,6,50,60Multimode: C yesCache Protection: C ASCM40F (included)maxCache: C 4.0Product Type: C RAID AdapterCBE (Controller Based Encryption): C YesForm Factor: C Low-profile, MD2Port Count Supported Devices: C SATA, SAS-4, NVMeItem Dimension (LxWxH)C 15 x 10 x 2 WeightC 3 lbs Warranty InformationC 3 years