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Chelsio

Chelsio 40G Short-Reach QSFP+ Optical Module

$118.00
$58.96 SAVE $59.04
None availableas of 09/29/2026

Ships when available. Free shipping on most items when you spend $100 or more.

Special orders typically ship in 1-12 weeks.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

Chelsio's SM40G-SR 40Gb/s 100m Multimode QSFP+ optical transceivers are designed and certified for use with Chelsio's 40-Gigabit Ethernet Unified Wire Adapters. The Chelsio SM40G-SR Transceiver is compatible with Chelsio's T5-based Unified Wire Adapters.

The T5 adapters support PCI Express 3.0 host bus interface, and are optimized for storage, cloud computing, HPC, virtualization and other data center applications. The fifth-generation T5 ASIC technology from Chelsio provides the highest performance while dramatically lowering host-system CPU and memory overhead with on-board hardware that offloads TCP/IP, iSCSI, FCoE and iWARP RDMA processing. As a result, the system benefits from higher bandwidth, lower latency and reduced power consumption.

Technical specifications

General Information

Manufacturer Chelsio Communications
Manufacturer Part Number SM40G-SR
Manufacturer Website Address http://www.chelsio.com
Brand Name Chelsio
Product Model SM40G-SR
Product Name 40Gb Optical Module
Product Type QSFP+

Technical Information

Application / Usage Optical NetworkData Networking

Interfaces/Ports

Total Number of Ports 1
Interfaces / Ports Details 1 x 40GBase-X Network

Media & Performance

Media Type Supported Optical Fiber
Ethernet Technology 40 Gigabit Ethernet
Network Technology 40GBase-X
Maximum Data Transfer Rate 40 Gbit/s

Physical Characteristics

Form Factor Hot-pluggable

Miscellaneous

Compatibility
  • T580-OCP-SO
  • T580-SO-CR
  • T580-CR
  • T580-LP-CR
Green Compliant Yes

Ratings and reviews

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Special order item. This item ships direct from the manufacturer and cannot be cancelled once ordered. If you have any questions before ordering, ask us first: chat with us or call 1-800-692-8757.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.