Cisco QSFP-400G-VR4 · Pluggable transceiver

MPN / P/N

QSFP-400G-VR4

Manufacturer designation

QSFP-400G-VR4

Manufacturer description

400G QSFP112 Transceiver, 400GBASE-VR4, MPO-12, 50m parallel MMF

Source protocol/rate designation (breakout rates are not summed)

400G; 400GBASE-VR4

Source connector/form-factor designations

QSFP112; MPO-12

Max power ; consumption (W)

9

Optical Connector

MPO-12 MMF APC

Optical link conditions (one source row; align lists in order)

Nominal ; wavelength (nm)=850; Cable type=MMF; Core size ; (microns)=OM3, OM4/OM5; Modal bandwidth=OM3: 2000 MHz-km; OM4: 4700 MHz-km; OM5: 4700 MHz-km (at 850nm); Cable ; distance=50m

Wavelength (nm)

850

Selection limits

Confirm exact host model/port, software release, FEC and supported breakout using Cisco TMG Compatibility Matrix. Fiber reach depends on the listed fiber grade, connector polish, optical budget and operating mode. Matching form factor alone does not guarantee support.

Specification source: Cisco ↗
Checked against documentation: 16.10.2026