Riser Specs Type: PCIe Riser Assembly Generation: 16th Gen Server Compatibility: Dell PowerEdge R860 Riser Slot: Riser 3 (R3) PCIe Configuration: Slot 4 – x16, Slot 5 – x16 (Gen 5) Form Factor: Full Height / Full Length capable Part Number: N/A The Dell PowerEdge 2U 16G Riser 3 (R3) for the R860 server provides two PCIe Gen 5 x16 slots, labeled Slot 4 and Slot 5, enabling powerful I/O expansion for enterprise-class workloads. This riser supports full-height, full-length cards in high-performance environments. Purpose-built for the Dell R860 platform, this R3 riser assembly delivers top-tier bandwidth for demanding add-in cards like GPUs, NICs, and NVMe controllers. It’s engineered to maintain optimal airflow and thermal management within 2U server configurations.