Make Universal Transceivers work with nearly every device

FLEXBOX series - the unrivaled original since 2008

  • Quick and easyConfiguration only takes a few seconds
  • VersatileSupport for more than 150 vendors
  • All formfactorsIndustry's first end user device supporting all 100G pluggables
  • Save moneyGet a discount - if you configure transceivers yourself
Get Your FREE FLEXBOX* *One free FLEXBOX per company.

What's new?

Meet us

Jan 21 – 24, 2018

Honolulu, USA, Hawaii

PTC18
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The 100G QSFP28 transceiver comparison

There are different variants for QSFP28 form factor available. Depending on your cabling and application you need to chose the right option. To make it easier we created an overview with all the different variants. (without Active-Optical-Cables and Direct-Attached-Cables)

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Meet us

Nov 7 – 9, 2017

Cape Town, South Africa

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Customer feedback

James Rice

"Great. FLEXBOX does what it says on the tin! - just connect, configure Transceiver and be happy."

Klaus Degner

"The FLEXBOX allows us to use 100MBit/s to multi-gigabit transceivers in our product for a wide range of customer needs. We can not solve them without this magic box!"

Peter Splettstößer

"Die FLEXBOX ist die beste Erfindung im Netzwerkbereich seit langem! Einfach die zum Endgerät passende Konfiguration auswählen und den Transceiver damit programmieren – fertig. Schlechte Verfügbarkeiten und hohe Preise von Originalzubehör gehören nun der Vergangenheit an. Kurzgesagt: perfekt!"