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The Cisco SF90D-08 8-Port 10/100 Switch is an unmanaged switch that offers the performance and ease of use needed to connect small businesses. Use this desktop switch to connect up to eight computers, printers, or wireless access points to the network, as well as to share network resources such as servers and network-attached storage. The switch works right out of the box and does not require any management or configuration. Quality of service (QoS) enhances network performance and improves voice and video quality. The switch optimizes power efficiency and features Energy Efficient Ethernet, which reduces energy consumption without compromising performance.

Specification:

SF90D-08-AS
8 10/ 100 Ports Unmanaged Desktop Switch

Performance
Switching Capacity : 1.6 Gbps
Forwarding Capacity : 1.4 mpps

Layer 2 Switching
Head-Of-Line ( HOL) blocking : HOL blocking prevention
Jumbo Frame : 9216 bytes

Quality of Service ( QoS) 
Priority levels : 4 hardware queues
Scheduling : Priority queuing and weighted round-robin ( WRR) 
Class of service : 802.1p priority based

Product Specifications
Ports : 8 RJ-45 connectors for 10BASE-T/ 100BASE-TX
Cabling type : UTP Cat 5 or better for 10BASE-T/ 100BASE-TX; 1000BASE-T recommended
LEDs : System / PWR, Link / Activity, 100M
Standards : 802.3 10BASE-T Ethernet, 802.3u 100BASE-TX Fast Ethernet

Environmental
Dimensions ( W x H x D) : 6.2 x 1.18 x 3.5 inches ( 160 x 30 x 90 mm) 
Power : DC 12V, 500mA
Certification : UL 60950, CSA 22.2, CE mark, FCC Part 15 Class 

Ada perubahan product part number dari cisco bisa di lihat di http://www.cisco.com/c/en/us/products/collateral/switches/small-business-unmanaged-switches/eos-eol-notice-c51-735772.html