Skip to content
The CK Office & Warehouse will be closed on Friday, July 3rd, in observance of the July 4th holiday. We will reopen on Monday, July 6th.
My Cart
Subtotal
Filter
Narrow your Results
Price: -
No (2)
Yes (13)

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

Showing 1-12 of 18
1 2
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
33 in stock Ships: Monday
33 in stock - Ships Monday
$129.99
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: Monday
8 in stock - Ships Monday
$59.99
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 16
Additional quantity available - Ships Jul 16
$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 16
Additional quantity available - Ships Jul 16
$1,549.99
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
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 40GBase-LR4L QSFP+ Compatible Transceiver Module, WSP-Q40GLR4L
Cisco 40GBase-LR4L QSFP+ Compatible Transceiver Module, WSP-Q40GLR4L
Model #: WSP-Q40GLR4L Condition: New
2 in stock Ships: Monday
2 in stock - Ships Monday
$328.99 $32.90
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 16
Additional quantity available - Ships Jul 16
$136.99
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 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
Juniper Networks Compatible 40GBase-LR4 QSFP+ Transceiver Module, JNP-QSFP-40G-LR4
Juniper Networks Compatible 40GBase-LR4 QSFP+ Transceiver Module, JNP-QSFP-40G-LR4
Model #: JNP-QSFP-40G-LR4 Condition: New
2 in stock Ships: Monday
2 in stock - Ships Monday
$498.99 $49.90
HPE Compatible 40GBase-LR4 QSFP+ Transceiver Module, JG661A
HPE Compatible 40GBase-LR4 QSFP+ Transceiver Module, JG661A
Model #: JG661A Condition: New
2 in stock Ships: Monday
2 in stock - Ships Monday
$349.99 $35.00
Showing 1-12 of 18
1 2

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.