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Silver rack-mount switch with 48 copper ports and four SFP slots

HP

HP Aruba CX 6000 48-port Gigabit PoE+ 370W Switch R8N85B#ABA

SKU CH-MB9R-FJXMB MPN R8N85B#ABA

Managed 48-port Gigabit switch with 370 W PoE+ budget and four SFP uplinks for IoT and access points

  • Management typeManaged
  • Main ports48x Gigabit Ethernet Class 4 PoE+ Ports
  • Main port speedGigabit Ethernet (10/100/1000Base-T)
  • Power over EthernetYes, PoE+ (IEEE 802.3af/802.3at), 370 W PoE Budget
  • Layer support2
  • 48 PoE+ ports power cameras and APs with 370 W budget
  • Four SFP slots add fibre uplinks for extended reach
  • Managed Layer 2 switching simplifies VLAN and QoS configuration
  • Fanless design runs silent in offices and quiet workspaces
  • 439 W total draw keeps energy costs predictable

Aruba CX 6000 48-port PoE+ Switch

The Aruba CX 6000 is a fully managed Layer 2 switch built for wired access in branch offices, midsize businesses and small enterprises. It delivers 48 Gigabit Ethernet ports with Class 4 PoE+ support and a 370 W PoE budget. Four SFP uplink slots provide fibre connectivity for aggregation or longer links. The unit runs the Aruba CX operating system for consistent operations.

Suited for PoE-heavy access; not for quiet spaces

This model fits networks that need to power wireless access points, IP cameras or VoIP phones directly from the switch. The 370 W budget and Class 4 support handle dense PoE deployments without external injectors. Buyers who need a completely silent, fanless switch for a desktop or open-plan office should look elsewhere, as this unit includes active cooling. It also targets Layer 2 access, so networks requiring Layer 3 routing at the edge will need a different platform.

370 W PoE budget decides port density

The single specification that determines whether this switch meets the requirement is the 370 W PoE budget across 48 ports. It defines how many Class 4 devices can be powered simultaneously and whether the design can support the planned IoT density. Power consumption is rated at 439 W.

How it compares

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

Price $3,723.99
Pricier than about 86% of the 2,759 comparable items (median $482.99).

Specifications

Product
Brand nameAruba
Part numberR8N85B#ABA
Connectivity
Management typeManaged
Main port speedGigabit Ethernet (10/100/1000Base-T)
Layer support2
Ports & slots
Main ports48x Gigabit Ethernet Class 4 PoE+ Ports
Power
Power over EthernetYes, PoE+ (IEEE 802.3af/802.3at), 370 W PoE Budget
Size & build
Shipping weight6.35 kg
Package size572 × 451 × 114 mm

Questions about this item

How do I install the switch and connect the uplinks?

Mount the unit in a standard rack, connect devices to the 48 Gigabit Ethernet PoE+ ports, and use the 4 SFP slots for 1000Base-X fibre uplinks; the switch is fanless so orientation does not affect airflow.

What maintenance will the switch need over time?

The fanless design has no moving parts to service; keep the ventilation openings clear of dust and apply firmware updates from the Aruba CX OS to maintain security and Layer 2 features.

What limit appears first when all PoE+ ports run at full power?

The 370 W PoE budget caps total Class 4 PoE+ delivery across the 48 ports; sustained full load will hit that budget before the 439 W total power consumption limit.

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