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Silver 1U rack-mount switch with 48 RJ-45 ports and two QSFP+ uplinks

DELL

DELL N4064 network switch 48P 10GbE 2P 40GbE QSFP+

SKU CH-5DDM-R021Q MPN N4064

A 1 RU switch with 48 1/10GbE Base-T ports, two 40GbE QSFP+ uplinks and dual 460W hot-swap PSUs

  • 48 1/10GbE Base-T ports connect dense server rows
  • 2 x 40GbE QSFP+ uplinks aggregate high-speed backbone traffic
  • 1 RU form factor fits standard racks without wasting space
  • Dual hot-swappable 460W AC PSUs keep the switch running during power supply changes
  • Hot-swappable expansion bay adds future uplink options without downtime

48-port 10GbE switch with 40GbE uplinks

The Dell N4064 is a 1 RU network switch that delivers 48 RJ-45 ports running at 1 or 10 GbE. Two QSFP+ ports provide 40 GbE uplink capacity for aggregation or core links. A dedicated rear management port and console port give out-of-band access. The unit ships with OS6 pre-loaded.

Hot-swap power and fan trays in a 1 RU chassis

Two 460 W AC power supplies and two fan modules slide in from the rear and can be replaced without downtime. Standard airflow moves from the I/O side toward the power supplies. One expansion module bay is open for an optional networking module, which is not included. Rack rails are not supplied.

Sustained line-rate forwarding

The switch maintains wire-speed performance across all 48 Base-T ports and both 40 GbE uplinks under continuous load. Dual hot-swap fans and dual power supplies keep airflow and power stable during extended operation. OS6 handles buffering and QoS to prevent head-of-line blocking when traffic patterns remain heavy.

Highlights

  • 48 1/10GbE Base-T ports connect dense server rows
  • 2 x 40GbE QSFP+ uplinks aggregate high-speed backbone traffic
  • 1 RU form factor fits standard racks without wasting space
  • Dual hot-swappable 460W AC PSUs keep the switch running during power supply changes
  • Hot-swappable expansion bay adds future uplink options without downtime

Specifications

BrandDell
ModelN4064

Questions about this item

How many 10GbE Base-T ports can I use simultaneously before the two 460W power supplies hit their limit?

All 48 ports run at line rate within the dual 460W hot-swappable PSU budget.

What is the airflow direction and fan redundancy when the switch operates continuously?

Standard airflow moves from I/O side to PSU side with two hot-swappable fans providing N+1 cooling.

Which transceivers and cables must I supply to use the 40GbE uplinks and the management port?

QSFP+ modules for the two uplink ports and a CAT-12759-WR cable for the rear out-of-band management port.

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