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40G Transceivers / QSFP Modules

CablesAndKits offers a wide variety of 40G QSFP and QSFP+ transceiver modules for your connectivity needs! These high-density, low power modules are hot-pluggable and come with our lifetime warranty! QSFP modules – or Quad Small Form-Factor Pluggable modules – are a key piece of equipment for high-performance computing networks and modern data centers.

Popular 40G Transceivers

Cisco Compatible 40GBase-SR4 QSFP+ Transceiver Module, QSFP-40G-SR4

QSFP-40G-SR4

$136.99

Cisco 40GBase-CSR4 QSFP+ Compatible Transceiver Module, QSFP-40G-CSR4

QSFP-40G-CSR4

$114.99

Showing 1-11 of 11
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Cisco 40GBase-SR Bi-Directional QSFP Module, QSFP-40G-SR-BD
Cisco 40GBase-SR Bi-Directional QSFP Module, QSFP-40G-SR-BD
Model #: QSFP-40G-SR-BD Condition: Refurbished
27 in stock Ships: Today
27 in stock - Ships Today
$129.99
Cisco 40GBase-SR Bi-Directional QSFP Module, QSFP-40G-SR-BD
Cisco 40GBase-SR Bi-Directional QSFP Module, QSFP-40G-SR-BD
Model #: QSFP-40G-SR-BD Condition: Factory Sealed
Call to verify availability
If you need this item, we would love to help. Even though it's currently out of stock, we can get it for you! Please contact us to check on options available to meet your needs.
$197.99
Cisco Refurbished 40GBase-SR4 QSFP+ Transceiver Module, QSFP-40G-SR4
Cisco Refurbished 40GBase-SR4 QSFP+ Transceiver Module, QSFP-40G-SR4
Model #: QSFP-40G-SR4 Condition: Refurbished
8 in stock Ships: Today
8 in stock - Ships Today
$59.99
Cisco 40GBase-CSR4 QSFP+ Compatible Transceiver Module, QSFP-40G-CSR4
Cisco 40GBase-CSR4 QSFP+ Compatible Transceiver Module, QSFP-40G-CSR4
Model #: QSFP-40G-CSR4 Condition: New
Available Ships: Jul 21
Additional quantity available - Ships Jul 21
$114.99
Cisco Compatible 40GBase-SR4 QSFP+ Transceiver Module, QSFP-40G-SR4
Cisco Compatible 40GBase-SR4 QSFP+ Transceiver Module, QSFP-40G-SR4
Model #: QSFP-40G-SR4 Condition: New
Available Ships: Jul 21
Additional quantity available - Ships Jul 21
$136.99
Cisco 40GBase-LR4-S QSFP+ Compatible Transceiver Module, QSFP-40G-LR4-S
Cisco 40GBase-LR4-S QSFP+ Compatible Transceiver Module, QSFP-40G-LR4-S
Model #: QSFP-40G-LR4-S Condition: New
Available Ships: Jul 21
Additional quantity available - Ships Jul 21
$364.99
Cisco Compatible 40GBase-ER4 QSFP+ Transceiver Module, QSFP-40G-ER4
Cisco Compatible 40GBase-ER4 QSFP+ Transceiver Module, QSFP-40G-ER4
Model #: QSFP-40G-ER4 Condition: New
Available Ships: Jul 21
Additional quantity available - Ships Jul 21
$1,549.99
Cisco 100G and 40GBASE SR QSFP Transceiver Module, QSFP-40/100-SRBD
Cisco 100G and 40GBASE SR QSFP Transceiver Module, QSFP-40/100-SRBD
Model #: QSFP-40/100-SRBD Condition: Refurbished
Call to verify availability
If you need this item, we would love to help. Even though it's currently out of stock, we can get it for you! Please contact us to check on options available to meet your needs.
$929.99
Cisco 100G and 40GBASE SR QSFP Transceiver Module, QSFP-40/100-SRBD
Cisco 100G and 40GBASE SR QSFP Transceiver Module, QSFP-40/100-SRBD
Model #: QSFP-40/100-SRBD Condition: Factory Sealed
Call to verify availability
If you need this item, we would love to help. Even though it's currently out of stock, we can get it for you! Please contact us to check on options available to meet your needs.
$1,049.99
Cisco Compatible 100G and 40GBASE SR QSFP Transceiver Module, QSFP-40/100-SRBD
Cisco Compatible 100G and 40GBASE SR QSFP Transceiver Module, QSFP-40/100-SRBD
Model #: QSFP-40/100-SRBD Condition: New
Call to verify availability
If you need this item, we would love to help. Even though it's currently out of stock, we can get it for you! Please contact us to check on options available to meet your needs.
$899.99
Juniper Compatible 40GBase-ER4 QSFP+ Transceiver Module, JNP-QSFP-40GE-ER4
Juniper Compatible 40GBase-ER4 QSFP+ Transceiver Module, JNP-QSFP-40GE-ER4
Model #: JNP-QSFP-40GE-ER4 Condition: New
Available Ships: Jul 27
Additional quantity available - Ships Jul 27
$1,399.99
Showing 1-11 of 11
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When choosing QSFP modules, a number of different interface options and ratings are available. You'll find LC Duplex and MTP/MPO interfaces, MMF and SMF cable types, products in a wide variety of rate categories, and QSFP modules compatible with Cisco, HP, Juniper, and more. At CablesAndKits.com, we carry new, factory sealed, and refurbished products, helping you find exactly what you need for your system. And with our industry-leading lifetime warranty, awesome is guaranteed.