JDSU 40G-QSFP-ESR4 JQP-04SWAC2 40GBASE-ESR4R 40GB QSFP+ Optic Transceiver *New*

We offer a one-year advanced replacement warranty on all refurbished hardware. That means we’ll immediately send out a replacement instead of waiting for the failed hardware to return to us. That means less downtime and more peace of mind for you.

This warranty can be extended further with SmartCare.

SmartCare is Core 4’s full-service hardware maintenance program. Our operations center is open 24/7/365, and our team of skilled field engineers provides nationwide coverage, which means you can count on having support exactly where and when you need it, no matter what.

SmartCare drastically reduces your IT maintenance cost without sacrificing your existing or OEM service level.