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Silver 4U rack-mount chassis with six half-width line card slots and front-panel ports

HP

HP S0U63A Aruba CX 5420 20-port modular network switch

SKU CH-PK8H-92XF7 MPN S0U63A

A 20-port modular Layer 3 switch chassis with 1600 W power, 960 Gbps throughput and six half-width line card slots

  • 20 ports and modular design scale with network growth
  • Layer 3 routing and 960 Gbps throughput handle campus traffic
  • Manageable OS with analytics engine simplifies troubleshooting
  • 1600 W power budget supports high-density PoE deployments
  • Optical fiber and twisted pair media options connect diverse endpoints

Modular 20-port Layer 3 switch chassis

The HP Aruba CX 5420 is a 4U modular switch chassis with 20 ports that supports Gigabit and 10 Gigabit Ethernet over twisted pair and optical fibre. It delivers Layer 3 routing, a Gen7 ASIC architecture and up to 960Gbps switching capacity for enterprise campus and branch networks. Built-in MACsec hardware encryption and Network Analytics Engine provide automated monitoring and troubleshooting.

Suits managed campus cores needing modular uplinks

This chassis fits network teams that require manageable Layer 3 aggregation with VSX Live Upgrade for zero-downtime maintenance and BGP or OSPF routing support. It is not for buyers who need a fixed-configuration access switch, environments that cannot accommodate a 4U rack footprint, or deployments that do not require modular line-card expansion.

1600 W maximum power consumption

The unit draws up to 1600 W, so the available rack power budget and cooling capacity must support this load. Confirm that your facility can deliver sufficient sustained power before ordering.

Highlights

  • 20 ports and modular design scale with network growth
  • Layer 3 routing and 960 Gbps throughput handle campus traffic
  • Manageable OS with analytics engine simplifies troubleshooting
  • 1600 W power budget supports high-density PoE deployments
  • Optical fiber and twisted pair media options connect diverse endpoints

Specifications

BrandAruba
Shipping weight1.52 kg
Package size323 × 295 × 150 mm

Questions about this item

What maintenance or replacement will the modular line cards need later?

The chassis has six half-width line card slots; individual cards can be swapped without replacing the whole switch, so future maintenance targets only the modules you installed.

Which limit appears first under sustained load: the 960 Gbps fabric or the 1600 W power budget?

The 1600 W power ceiling caps PoE and line-card combinations before the 960 Gbps switching fabric saturates, so power is the first sustained-use constraint.

How much fan noise and heat does the 4U chassis produce when fully loaded with 90 W Class-8 PoE on every port?

At maximum 90 W per port across 20 ports the 1600 W supply drives higher fan speeds; expect noticeable airflow and rack heat that requires standard server-room cooling.

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