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Black metal 1U rack-mount switch with 48 RJ45 ports and four SFP+ slots on the front

Netgear Inc.

Netgear Inc. XSM4348CS-100NES 48-port 10G network switch

SKU CH-D4KR-N1BTM MPN XSM4348CS-100NES

A managed, stackable Layer 4 switch with 48 RJ45 10G ports and 4 SFP+ uplinks, 960 Gbps non-blocking fabric, 56 MB buffer and redundant power supply support

  • Product formatStackable
  • Network cablingMedia Type Supported: Twisted Pair Optical Fiber Ethernet Te
  • Management typeManaged
  • Uplink portsTotal Number of Network Ports: 48 Uplink Port: No Modular: Y
  • Main portsTotal Number of Expansion Slots: 4.0 Expansion Slot Type: SF
  • Main ports48 x RJ45 + 4 x SFP+
  • 48 RJ45 ports deliver 10 Gigabit copper connectivity for dense server links
  • Four SFP+ slots add 10 Gigabit fibre uplinks for long-distance aggregation
  • 960 Gbps non-blocking fabric ensures full line-rate throughput across every port
  • Layer 4 switching with static and dynamic routing handles advanced traffic policies
  • Stackable design with hitless failover keeps the network running during master failure

48-port 10G stackable switch

The Netgear ProSafe XSM4348CS-100NES is a managed Layer 4 switch built for mid-size enterprise cores and SMB aggregation. It delivers 48 RJ45 10GBase-T ports and four SFP+ expansion slots in a single rack unit. Stackable design allows mixed 1G and 10G models to form a single virtual chassis with non-stop forwarding.

Thermals noise and power

Maximum power draw is rated at 237.2 W under full load. The chassis operates from 0 to 50 °C with up to 90 % relative humidity, non-condensing. Storage tolerances extend to –20 to 70 °C and 95 % humidity. Dual redundant modular power supplies and full-width airflow keep temperatures stable without external cooling assumptions.

960 Gbps non-blocking fabric

A 960 Gbps switching fabric provides line-rate throughput across all 48 ports. The 128K MAC table and 12 KB jumbo frame support handle heavy multicast and storage traffic. Buyers who need Power over Ethernet must choose a different model, as this unit does not supply PoE.

How it compares

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

Price $5,659.99
Pricier than about 90% of the 2,759 comparable items (median $482.99).

Specifications

Product
Brand nameNETGEAR
Product lineProSafe
Model nameXSM4348CS-100NES
Memory
Buffer size56 MB
Connectivity
Network cablingMedia Type Supported:
Twisted Pair
Optical Fiber
Ethernet Technology:
10 Gigabit Ethernet
Network Technology:
10GBase-T
10GBase-X
Management typeManaged
MAC table size128K
Jumbo frame support12 KB
Supported protocolsTCP/IP
Layer support4
Ports & slots
Main portsTotal Number of Expansion Slots:
4.0
Expansion Slot Type:
SFP+
Shared SFP Slot:
No
Number of SFP+ Slots:
4
Power
Power over EthernetNo
Power detailsConsumption:237.2 W max
Size & build
Product dimensions1.73 in × 17.32 in × 13.58 in
Product weight14.44 lb (6.55 kg)
Shipping weight7.89 kg
Package size572 × 439 × 89 mm
Environment & compliance
Temperature rangeOperating temperature: 0 degree to 50 degree C (32 degree to 122 degree F)
Storage temperature: –20 degree to 70 degree C (– 4 degree to 158 degree F)
Humidity rangeOperating Humidity: 90% maximum relative humidity, non-condensing
Storage Humidity: 95% maximum relative humidity, non-condensing
More details
Product formatStackable

Questions about this item

How do I install the Netgear XSM4348CS-100NES in a rack, and what step is often missed?

Mount the 1.73" high chassis using the included full-width rack kit, then insert the two modular power supplies — the step often missed is fitting both units for redundancy before powering on.

What maintenance or replacement will the Netgear XSM4348CS-100NES need later?

The two hot-swap power supplies are the only field-replaceable parts; fans are internal and not user-serviceable, so plan to replace a PSU if a fault LED lights.

What limit appears first on the Netgear XSM4348CS-100NES under sustained heavy load?

The 237.2 W maximum power draw and 50 °C operating ceiling are reached before the 960 Gbps fabric or 56 MB buffer saturate, so cooling and PSU capacity set the practical ceiling.

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