24× GbE 4× 1.25G SFP Fanless and Silent Cooling L2 Managing Features Model Version: GS2008S2 Protocols: 802.3 Protocols: 802.3i 10 Mbps over Twisted Pair 802.3u 100 Mbps over Twisted Pair 802.3ab 1 Gbps over Twisted Pair 802.3z 1.25 Gbps over Fiber 802.3x Flow Control 802.3az Power Saving 802.3ad Active Link Aggregation 802.1 Protocols: 802.1d: STP 802.1s: MSTP 802.1p: LAN Layer 2 Qos/Cos protocol related to traffic priority 802.1q: VLAN Bridge Operation 802.1s: MSTP 802.1w: RSTP 802.1ab: LLDP/LLDP-MED 802.1x User Authentication Memory/Storage: Flash/ROM: 16 MB (128 Mbit) NOR DDR/RAM: 128 MB (1 Gbit) DDR3 Physical Buttons: Reset Button Gigabit RJ45 Ports: 8 1.25G SFP Slot: 2 Console Ports: 1× RJ45 LED: -Power -System -Speed/Link/ACT of Each Ethernet Port Power Input: AC Inlet Copper Speed and Distance: Cat. 3 or higher cable: 100 meters at 10 Mbps Cat. 5 or higher cable: 100 meters at 100 Mbps Cat. 5e or higher cable: 100 meters at Gigabit MAC Address Table: 8192 VLANs: 4096 Max Switching Capacity: 21 Gbps Max Forwarding Rate: 15.624 Mpps Jumbo Frame: 9.6 KB Packet Buffer: 4 Mbit Power Methods: AC AC: 90~260V 50/60Hz Package Content: Main Product Power Cord Installation Guide Mounting Kit Mechanical: Installation: Desktop Rackmount via Brackets Casing Material: Metal Dimension: 268×180×44 mm 10.55×7.09×1.73 inches Product Weight EU: 1002 g (35.34 oz.) Ordering Information Retail Package Dimension 312×262×84 mm 12.28×10.31×3.31 inches