Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

 
 

Connectivity and Transceivers Types

This section provides information about the connectivity types (transceivers) supported by QFX5220, QFX5230, QFX5240, QFX5241, and QFX5250 Switches.

Before working on any switch, you must know the connectivity types a switch can offer and the associated use cases.

Table 1: QFX Series Switches: Connectivity Types and Use Cases

Platform Type

Transceiver Type

Speed

Reachability

Fiber Type

Use Case

QFX Series Switch

DAC

800 G

1 m – 2 m

Twinax Copper

Intra-rack, server to TOR

400 G

1 m, 2 m, 2.5 m

100 G

1 m, 3 m, 5 m, 2 m (breakout)

40 G

50 cm, 1 m, 3 m, 5 m

10 G

1 m, 2 m, 3 m, 5 m, 7 m, 10 m

AOC

800 G, 400 G, 100 G, 40 G, 10 G

1 m, 3 m, 5 m, 7 m, 10 m, 15 m, 20 m, 30 m

Fiber

TOR to leaf switch, rack to rack

VR

800 G, 400 G

< 50 m

Multimode

Intra-rack, server to TOR

VR8

1.6 T

SR

100 G, 2 X 100 G, 40 G, 25 G, 10 G

< 100 m

Multimode

TOR to leaf switch, short intra-DC connections

DR

800 G, 2 X 400 G, 400 G, 100 G

500 m

Single-mode

Spine-and-leaf in large pods, AI/ML clusters

DR8

1.6 T

< 2 km

800 G

FR

1.6 T, 800 G, 2 X 400 G, 400 G, 4 X 100 G, 8 X 100 G, 100 G

< 2 km

Single-mode

Leaf to spine or spine to spine across buildings

LR

2 x 400 G, 8 X 100 G, 400 G, 4 X 100, 2 X 100 G, 100 G, 40 G, 4 X 10 G, 10 G, 25 G

10 km

Single-mode

Interbuilding within campus or metro access

ZR

400 G, 100 G

Up to 80 km (unamplified) and 140 km (amplified)

Single-mode

Distributed data center interconnect, Metro, regional, and core networks, Edge and DCI deployments, packet-optical convergence
Note:

For more information about transceivers, see What is meant by DR, FR, LR, and VR in an optic?

For more information about transceivers and cables supported by the QFX5220, QFX5230, QFX5240, QFX5241, and QFX5250 Switches, see the respective sections in the Hardware Compatibility Tool (HCT), as listed here: