Skip to main content
Cisco logo

QSFP-40G-ER4

Ref: QSFP-40G-ER4On request
Request a quote

Reply within 2 business hours

100% certified hardwareFull traceability, guaranteed origin
Manufacturer warrantyCisco technical support included
Express shippingDHL/FedEx, 2-6 days — France & Europe
Cisco

Partner brand

Cisco

QSFP-40G-ER4

The QSFP-40G-ER4 is a Cisco QSFP+ 40 Gbps transceiver compliant with the IEEE 40GBASE-ER4 standard, offering the maximum reach in the Cisco QSFP+ optical range with 40 km over single-mode fiber (SMF). The connection is made via LC UPC duplex and the module operates from 0 to 70 °C, covering the vast majority of datacenter and telecom environments.

This long-reach module is the reference solution for metropolitan or inter-datacenter links spanning several tens of kilometres, with no signal regenerator required. It targets telecom operators, multi-site enterprises, and cloud service providers needing reliable 40 Gbps connectivity over long distances. Genuine Cisco hardware, manufacturer warranty.

Key highlights

  • 100% authentic and certified Cisco hardware
  • Manufacturer warranty included
  • Reference: QSFP-40G-ER4

Who is it for?

  • Telecom operators & ISPs
  • Data centers & hosting providers
  • Enterprises & integrators
  • Public sector & institutions
Brand

Cisco

World leader in networking solutions, Cisco provides trusted infrastructure for the world's largest enterprises and telecom operators.

View all

Frequently asked questions

What are the delivery times?

This product is available on order. Estimated lead time: 5-10 business days. Contact us for a precise lead time.

How to request a quote?

Click "Request a quote", add the products you need and provide your details. Our team replies within 2 business hours with a personalized offer.

Do you offer refurbished equipment?

Yes, we offer new and certified refurbished equipment. Refurbished hardware is tested, warranted and shipped with complete documentation.

Have a network infrastructure project?

Our technical team sizes your project and provides a complete offer: hardware, licenses, support and shipping. A single contact, a single quote.

Request a project quote