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Silver 1U rack switch with 48 RJ45 ports and four QSFP+ uplinks, dual power supplies and four fans visible on the front face

Arista Networks, Inc.

Arista Networks DCS-7050TX-64-R network switch 48 x 10GbE RJ45 4 x 40GbE QSFP+ Kit

SKU CH-DYZZ-WWYV8 MPN DCS-7050TX-64-R

A 1 RU switch with 48 RJ45 ports at 1/10 GbE and four 40 GbE QSFP+ uplinks, plus dual 500 W hot-swap AC supplies and front-to-rear cooling

  • High-density 10GbE access with 48 RJ45 ports
  • High-speed 40GbE uplinks via 4 QSFP+ ports
  • Compact 1 RU form factor saves rack space
  • Redundant power with 2 hot-swappable 500W AC supplies
  • Dedicated management via 2 RJ45, RS-232 console and USB

48-port 10GbE switch with 40GbE uplinks

The Arista DCS-7050TX-64-R provides 48 RJ45 ports operating at 1 or 10GbE and four QSFP+ uplinks at 40GbE in a single rack unit. Two management ports and a serial console port give administrators direct access. The kit ships with two hot-swappable 500W AC power supplies and four hot-swappable fans, all configured for front-to-rear airflow.

Sustained load on 10GbE and 40GbE ports

Front-to-rear airflow keeps internal temperatures stable when all 48 copper ports and four uplinks run continuously at line rate. Hot-swappable fans and power supplies can be replaced without interrupting traffic, so the chassis maintains full throughput during maintenance. Arista EOS handles forwarding in hardware, avoiding CPU bottlenecks that appear under long-duration bursts.

Copper reach and uplink flexibility

Each 10GbE Base-T port supports links up to 100 metres over Cat6a or better cabling, limiting deployment to distances within that range. The four QSFP+ uplink cages accept 40GbE transceivers or breakout cables, but they do not operate at 100GbE speeds. Management and console ports are restricted to 10/100/1000 and serial signalling respectively.

Highlights

  • High-density 10GbE access with 48 RJ45 ports
  • High-speed 40GbE uplinks via 4 QSFP+ ports
  • Compact 1 RU form factor saves rack space
  • Redundant power with 2 hot-swappable 500W AC supplies
  • Dedicated management via 2 RJ45, RS-232 console and USB

Specifications

BrandArista
ModelDCS-7050TX-64-R

Questions about this item

How loud does the 45 dB front-to-rear airflow get when all 48 ports run 10 GbE all day?

The 45 dB rating comes from the four hot-swappable fans pushing air front-to-rear; under full 10 GbE load the sound stays at that level, so rack neighbours hear a steady hum rather than a jet-engine spool-up.

Which cables and transceivers must I already own to light up the 48 RJ-45 and 4 QSFP+ ports?

You need Cat-6a or better patch cords for the 48 1/10GbE Base-T ports and 40 GbE QSFP+ modules with matching fibre or DAC cables for the four uplinks; the two management RJ-45s and the RS-232 console port use standard Ethernet and serial cables.

Will the 1 RU chassis and EOS image work with my older 1 GbE servers and 10 GbE storage?

Yes — each of the 48 ports auto-negotiates down to 1 GbE, the 40 GbE QSFP+ uplinks can break out to four 10 GbE lanes, and the included EOS image supports mixed-speed VLANs and LACP across legacy and new gear.

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