Detail overview
   Hp - 5510 48g Poe+ 4sfp+ Hi 1-slot Switch - Switch - 48 Ports - Managed - Rack-mountable With Fan Only(jh148-61001) : 
 Key Features : 
  Device Type : Switch - 48 Ports - L3 - Managed - Stackable 
   Enclosure Type : Rack-mountable - 1u 
   Subtype : Gigabit Ethernet 
   Ports : 48 X 10/100/1000 (poe+) + 4 X 10 Gigabit Sfp+ 
   Power Over Ethernet (poe) : Poe+ 
   Poe Budget : 1440 W 
   Performance : Routing/switching Capacity : 336 Gbps ¦ Throughput : 250 Mpps 
   Capacity : Ipv4 Routing Table Entries : 32768 ¦ Ipv6 Routing Table Entries : 16384 
   Mac Address Table Size : 32k Entries 
   Jumbo Frame Support : Yes 
   Routing Protocol : Ospf, Rip, Is-is, Bgp, Vrrp, Pim-sm, Static Ip Routing, Pim-dm, Ospf For Ipv6, Ospfv3, Pim-ssm, Ecmp, Ripng, Is-isv6, Mpls, Bidirectional Forwarding Detection (bfd) 
   Remote Management Protocol : Snmp 1, Snmp, Rmon, Telnet, Snmp 3, Snmp 2c, Http, Ssh, Ssh-2, Cli 
   Authentication Method : Secure Shell (ssh), Radius, Tacacs, Secure Shell V.2 (ssh2) 
   Features : Flow Control, Layer 3 Switching, Dhcp Support, Arp Support, Mpls Support, Auto-uplink (auto Mdi/mdi-x), Weighted Round Robin (wrr) Queuing, Ipv6 Support, Class-based Weighted Fair Queuing (cbwfq), Weighted Fair Queuing (wfq), Weighted Random Early Detection (wred), Sflow, Spanning Tree Protocol (stp) Support, Rapid Spanning Tree Protocol (rstp) Support, Virtual Route Redundancy Protocol (vrrp) Support, Multiple Spanning Tree Protocol (mstp) Support, Dhcp Snooping, Quality Of Service (qos), Radius Support, Rapid Ring Protection Protocol (rrpp) Support, Equal-cost Multipath (ecmp), Bidirectional Forwarding Detection (bfd), Stp Root Guard, Ipv4 Support, Deficit Weighted Round Robin (dwrr), Strict Priority (sp), 802.1x Authentication, Type Of Service (tos), Macsec Support, Smoothed Deficit Weighted Round Robin (sdwrr), Virtual Private Lan Service (vpls) 
   Compliant Standards : Ieee 802.3, Ieee 802.3u, Ieee 802.3i, Ieee 802.3z, Ieee 802.1d, Ieee 802.1q, Ieee 802.3ab, Ieee 802.1p, Ieee 802.3af, Ieee 802.3x, Ieee 802.3ad (lacp), Ieee 802.1w, Ieee 802.1x, Ieee 802.3ae, Ieee 802.3ac, Ieee 802.1s, Ieee 802.1ad, Ieee 802.1v, Ieee 802.1ab (lldp), Ieee 802.1ak, Ieee 802.3at, Ieee 802.3az 
   Ram : 2 Gb - Sdram 
   Flash Memory : 512 Mb 
   Status Indicators : Power, System, Operation Mode 
 Expansion / Connectivity : 
   Interfaces : 48 X 1000base-t - Rj-45 ¦ 1 X Console - Rj-45 - Management ¦ 4 X 10gbit Lan - Sfp+ 
   Expansion Slots : 1 (total) / 1 (free) X Expansion Slot 
   Installed Modules Qty (max) : 0 (installed) / 1 (max) 
 Power : 
   Power Device : Internal Power Supply 
   Installed Qty : 0 (installed) / 2 (max) 
   Power Redundancy : Optional 
   Power Redundancy Scheme : 1+1 (with Optional Power Supply) 
   Voltage Required : Ac 120/230 V 
   Power Consumption Operational : 670 Watt