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Compact 4U rack-mount switch chassis, matte silver front with module bays

HP

HP S0U59A Aruba CX 5420 Switch Chassis 4U Compact Layer 3 PoE 1000W

SKU CH-AGZT-RC2V9 MPN S0U59A

A manageable Layer 3 switch chassis with PoE ports, optical fibre support and 1000 W power in a compact 4U form factor

  • Type of switchSwitch Chassis
  • Product formatCompact, 4U
  • Network cablingOptical Fiber
  • Management typeManageable
  • Layer support3
  • Max power draw1000 W
  • Layer 3 routing with BGP, VSX and OSPF support
  • Compact 4U chassis fits dense rack deployments
  • PoE ports power connected devices directly
  • 1000 W power budget handles high loads
  • 960 Gbps throughput at 714 Mpps performance

HP Aruba CX 5420 4U compact chassis

The HP Aruba CX 5420 is a 4U compact Layer 3 switch chassis designed for manageable network deployments. It supports PoE ports and optical fibre connectivity with a maximum power consumption of 1000 W. The chassis accommodates up to six half-width modules for flexible port density. It runs the common AOS-CX operating system across the CX portfolio.

Verify rack space and power budget

Confirm that your rack can accept a 4U form factor measuring 4.3in high, 6.6in wide and 9.7in deep. The unit weighs 20 lb, so ensure mounting rails and shelf ratings are adequate. A 1000 W power draw requires suitable circuit capacity and redundant PSU planning. Optical fibre patch panels and PoE device power budgets must also be accounted for.

Sustained load with VSX live upgrade

The chassis delivers up to 960 Gbps throughput using 714 Mpps forwarding performance under continuous traffic. Virtual Switching Extension (VSX) enables live upgrades without interrupting PoE or data flows. Redundant management modules and power supplies maintain availability during extended operation. QoS and routing protocols such as BGP and OSPF remain stable under persistent load.

How it compares

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

Price $7,438.99
Pricier than about 90% of the 2,759 comparable items (median $482.99).

Specifications

Product
Brand nameAruba
Model nameCX 5420 Switch Chassis
Part numberS0U59A
Connectivity
Network cablingOptical Fiber
Management typeManageable
Layer support3
Power
Power over EthernetYes
Max power draw1000 W
Size & build
Product dimensionsHeight: 4.3 in, Width: 6.6 in, Depth: 9.7 in
Product weight20 lb (9.07 kg)
Shipping weight9.45 kg
Package size719 × 578 × 318 mm
More details
Type of switchSwitch Chassis
Product formatCompact, 4U

Questions about this item

What is included with the HP S0U59A chassis and what must be purchased separately?

The HP S0U59A is a compact 4U switch chassis that accepts up to six half-width modules for ports and uplinks; those modules, power supplies and fan trays are sold separately.

Which version or capacity of the Aruba CX 5420 chassis should I choose?

The S0U59A is a single 4U compact chassis supporting Layer 3 routing, PoE and up to 960 Gbps throughput with 714 Mpps forwarding; select compatible half-width modules to match your port density and fibre requirements.

What does the 960 Gbps headline figure mean once the chassis is populated in a rack?

With six half-width modules installed, the chassis delivers up to 960 Gbps switching capacity and 714 Mpps packet forwarding, enabling high-density fibre connectivity and Always-On PoE across a 4U footprint.

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