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Which MPO connector should I use?

The three most common MPO connector options are MPO-8, MPO-12, MPO-24 and MPO-16.

MPO-8 is a legacy standard for the QSFPs, coming out of the transceivers running 40 Gigabit or 100 Gigabits. It is used for both multimode and singlemode transceivers and breakouts, but offers the lowest density option, because you’ll have to have more components for the MPO-8 as you move forward into higher speeds.

The MPO-12 is the legacy embedded base and with the use of different modules and array fanouts can accommodate multiple configurations.

MPO-24 is not used much for transceivers now, it provide capabilty for SR8 applications, with 8x hole with dummy fiber, but it is an option to be used on the trunk cables and modules. MPO-24 helps to future proof your network because it provides the higher panel density, allows you to use fewer components and may offer the lowest first installed cost. MPO 24 trunk implementations provide significant advantages for duplex and parallel implementations, providing for faster installation and better pathway efficiency.

MPO-16 is mostly been used for the high speed transceivers over 400G, it is a single row with 16-fiber, it can be fully used for the SR8, and also 8x parralle single mode transceivers.

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