The SW-615-24P-R is a 24-port PoE+ rear-facing single space rackmount 1GB switch with 4 SFP+ 10GB ports (aggregable up to 40Gbps) with a total PoE power budget of 370W. Each of the SFP+ ports can be used alone or aggregated together to allow 20 or 40Gbps throughput to another switch. This L2/L3 switch with 128 Gbps switching capacity provides VLAN, QoS and other powerful management features. Up to 16 switches can be grouped in a single pane user interface, allowing easy and comprehensive administration. Variable speed fans for quiet operation. ProWatch Integrated for support of remote monitoring and management. ACL ingress and egress filtering.