CISCO - SMALL BUSINESS SF300-48 MANAGED L3 SWITCH - 48 ETHERNET PORTS & 2 COMBO GIGABIT SFP PORTS & 2 ETHERNET PORTS (SRW248G4-K9-NA). KEY FEATURES : DEVICE TYPE : SWITCH - 48 PORTS - L3 - MANAGED ENCLOSURE TYPE : RACK-MOUNTABLE - 1U PORTS : 48 X 10/100 + 2 X COMBO GIGABIT SFP + 2 X 10/100/1000 PERFORMANCE : SWITCHING CAPACITY : 17.6 GBPS ?ª FORWARDING PERFORMANCE (64-BYTE PACKET SIZE) : 13.1 MPPS MAC ADDRESS TABLE SIZE : 8K ENTRIES ROUTING PROTOCOL : STATIC IPV4 ROUTING REMOTE MANAGEMENT PROTOCOL : SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, TELNET, SNMP 3, SNMP 2C, HTTP, HTTPS, SSH, CLI FEATURES : LAYER 3 SWITCHING, LAYER 2 SWITCHING, DHCP SUPPORT, BOOTP SUPPORT, VLAN SUPPORT, IGMP SNOOPING, SYSLOG SUPPORT, DOS ATTACK PREVENTION, PORT MIRRORING, DIFFSERV SUPPORT, WEIGHTED ROUND ROBIN (WRR) QUEUING, BROADCAST STORM CONTROL, IPV6 SUPPORT, MULTICAST STORM CONTROL, UNICAST STORM CONTROL, FIRMWARE UPGRADABLE, SPANNING TREE PROTOCOL (STP) SUPPORT, RAPID SPANNING TREE PROTOCOL (RSTP) SUPPORT, MULTIPLE SPANNING TREE PROTOCOL (MSTP) SUPPORT, TRIVIAL FILE TRANSFER PROTOCOL (TFTP) SUPPORT, ACCESS CONTROL LIST (ACL) SUPPORT, QUALITY OF SERVICE (QOS), JUMBO FRAMES SUPPORT, MLD SNOOPING, FANLESS COMPLIANT STANDARDS : IEEE 802.3, IEEE 802.3U, IEEE 802.3Z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3AB, IEEE 802.1P, IEEE 802.3X, IEEE 802.3AD (LACP), IEEE 802.1W, IEEE 802.1X, IEEE 802.1S POWER : AC 120/230 V ( 50/60 HZ ) CONDITION : NEW FACTORY SEALED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.