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Product Bulletin
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Cisco Catalyst 4900M Series
PB447737
Premium, High Performance Top of Rack Switching with Flexibility and Investment
Protection
Cisco Systems is pleased to announce the Cisco Catalyst 4900M Series, a premium extension to
the widely deployed Catalyst 4948 Series top of rack Ethernet switches for data center server
racks. Optimized for ultimate deployment flexibility, the Catalyst 4900M Series can be deployed for
10/100/1000 server access with 1:1 uplink to downlink oversubscription, mix of 10/100/1000 and
10 GbE servers or all 10GbE servers in the same rack.. The Catalyst 4900M is a 320Gbps,
250Mpps, 2RU fixed configuration switch with 8 fixed wire speed X2 ports on the base unit and 2
optional half card slots for deployment flexibility and investment protection. Low latency, scalable
buffer memory and high availability with 1+1 hot swappable AC or DC power supplies and field
replaceable fans optimize the Catalyst 4900M for any size of data center.
Figure 1. Cisco Catalyst 4900M
The Cisco Catalyst 4900M half cards provide a wide variety of combinations of Gigabit Ethernet
and 10 Gigabit Ethernet media types. The base unit can accommodate up to two of following half
cards in any combination: