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Silver rack-mount network switch with 48 ports and power supply

Cisco Systems, Inc.

Cisco Systems, Inc. Catalyst WS-C3850-48XS 48-port 10G/40G network switch

SKU CH-EHTG-XC5KM

A managed 48-port switch delivering 10G and 40G connectivity in a rack-mountable chassis

  • Product formatStandalone Rack-mountable
  • Management typeManaged
  • Main port speed10GBase-X 40GBase-X
  • Product weight16.42 lb (7.45 kg)
  • In the boxCatayst WS-C3850-48XS Layer 3 Switch Power Supply
  • Managed Layer 3 switching for granular traffic control
  • 48 ports supporting 10G and 40G speeds for high-density uplinks
  • Standalone rack-mountable design simplifies data-centre deployment
  • 42 lb weight eases handling during rack installation
  • Includes power supply for immediate operation

48-Port 10G/40G Switch

The Cisco Catalyst WS-C3850-48XS is a managed Layer 3 switch with 48 ports supporting 10GBase-X and 40GBase-X speeds. It is built for enterprise networks that need high-density 10 Gigabit and 40 Gigabit connectivity in a standalone, rack-mountable form factor.

Sustained Load Behaviour

As a managed switch, it maintains consistent forwarding performance across all 48 ports under continuous traffic. The Layer 3 routing capability handles persistent IP traffic loads without degrading port throughput, making it suitable for core or aggregation layers with steady high-bandwidth demand.

Build and Connectors

The unit weighs 16.42 lb and fits standard racks for secure mounting. It ships with a power supply included. The 10G and 40G port interfaces require compatible transceiver modules and cabling, which dictate daily patching and uplink decisions in the rack.

How it compares

Measured against everything we stock in Ethernet & PoE Switches, at today’s prices. Recalculated every night.

Price $36,263.99
Pricier than about 92% of the 2,759 comparable items (median $482.99).

Specifications

Product
Brand nameCISCO
Product line3850
Model nameWS-C3850-48XS
Connectivity
Management typeManaged
Main port speed10GBase-X
40GBase-X
Size & build
Product weight16.42 lb (7.45 kg)
In the box
In the boxCatayst WS-C3850-48XS Layer 3 Switch
Power Supply
More details
Product formatStandalone
Rack-mountable

Questions about this item

How loud or hot does the WS-C3850-48XS get when running 48 ports at 10G all day?

The 3850 series uses temperature-controlled fans; under full 10G load the chassis typically reaches moderate fan speed and stays within its rated thermal envelope.

Which SFP+ or QSFP+ modules must I already own to populate the 48 ports?

The switch accepts standard 10GBase-X SFP+ and 40GBase-X QSFP+ transceivers; you supply the optics that match your fibre type and distance.

Will my existing 1G copper uplinks negotiate down when plugged into this 10G/40G switch?

The WS-C3850-48XS provides only 10GBase-X and 40GBase-X ports, so 1G copper modules will not link; you need 10G or 40G optics for every connection.

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