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StarTech.com

StarTech.com Dell EMC QSFP-40G-ESR4 Compatible QSFP+ Transceiver Module - 40GBase-SR4 - For Optical Network, Data Networking - 1 x MPO Duplex 40GBase-SR4 Network - Optical Fiber - Multi-mode - 40 Gigabit Ethernet - 40GBase-SR4 - Hot-swappable - 1 Each

Category Networking & Wi-Fi Accessories
STCQSFP40GESR4E STCQSFP40GESR4E
STCQSFP40GESR4E STCQSFP40GESR4E
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StarTech.com

StarTech.com Dell EMC QSFP-40G-ESR4 Compatible QSFP+ Transceiver Module - 40GBase-SR4 - For Optical Network, Data Networking - 1 x MPO Duplex 40GBase-SR4 Network - Optical Fiber - Multi-mode - 40 Gigabit Ethernet - 40GBase-SR4 - Hot-swappable - 1 Each

Item Code: STCQSFP40GESR4E
The QSFP40GESR4E is a Dell EMC QSFP-40G-ESR4 compatible fiber transceiver module that has been designed, programmed and tested to work with Dell EMC brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBase-SR4 compliant networks, with a maximum distance of up to 400 m (1312 ft.). Technical Specifications: Wavelength: 850nm Maximum Data Transfer Rate: 40 Gbps Type: Multi Mode Fiber Connection Type: MPO Maximum Transfer Distance: 400 m (1312 ft.) MTBF: 45,017,120 hours Power Consumption: Low power consumption Digital Diagnostics Monitoring (DDM): Yes This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance.
Category Networking & Wi-Fi Accessories
Manufacturer StarTech.com
  • 100% DELL EMC QSFP-40G-ESR4 COMPATIBLE QSFP+ TRANSCEIVER: Designed, programmed and tested to work with compatible Dell EMC switches and routers to deliver dependable 40GbE connectivity
  • TECHNICAL SPECS: 40GBASE-SR4
  • 40Gbps
  • Multi Mode (MMF)
  • MPO Connector

Manufacturer-Brochure

Comparison Data

Date of last check: 07/22/2025
$234.99
The QSFP40GESR4E is a Dell EMC QSFP-40G-ESR4 compatible fiber transceiver module that has been designed, programmed and tested to work with Dell EMC brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBase-SR4 compliant networks, with a maximum distance of up to 400 m (1312 ft.). Technical Specifications: Wavelength: 850nm Maximum Data Transfer Rate: 40 Gbps Type: Multi Mode Fiber Connection Type: MPO Maximum Transfer Distance: 400 m (1312 ft.) MTBF: 45,017,120 hours Power Consumption: Low power consumption Digital Diagnostics Monitoring (DDM): Yes This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance.
Lead Time

Ships in 6-10 Bus Days

UNSPSC Code

43201404

Weight

0.13lb

Height

6in

Width

6in

Length

8.5in

Catalog Page Number

NEW

Application/usage

Optical Network

Brand

StarTech.com

Brand Name

StarTech.com

Category

Networking & Wi-Fi Accessories

Compatibility

MSA Compliant

Connector Type

MPO

Country of Origin

China

Environmental Compliance

Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)

Environmentally Friendly

Yes

Ethernet Technology

40 Gigabit Ethernet

Fiber Mode Supported

Multi-mode

Form Factor

Hot-swappable

Interfaces/Ports Details

1 x MPO Duplex 40GBase-SR4 Network

Limited Warranty

Lifetime

Manufacturer

StarTech.com

Manufacturer Part Number

QSFP40GESR4E

Manufacturer Website Address

http://www.startech.com

Media Type Supported

Optical Fiber

Network Technology

40GBase-SR4

Packaged Quantity

1 each

Product Name

Dell EMC QSFP-40G-ESR4 Compatible QSFP+ Transceiver Module - 40GBase-SR4

Product Type

QSFP+

Total Number of Ports

1

Comparison Data

Date of last check: 07/22/2025
$234.99
The QSFP40GESR4E is a Dell EMC QSFP-40G-ESR4 compatible fiber transceiver module that has been designed, programmed and tested to work with Dell EMC brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBase-SR4 compliant networks, with a maximum distance of up to 400 m (1312 ft.). Technical Specifications: Wavelength: 850nm Maximum Data Transfer Rate: 40 Gbps Type: Multi Mode Fiber Connection Type: MPO Maximum Transfer Distance: 400 m (1312 ft.) MTBF: 45,017,120 hours Power Consumption: Low power consumption Digital Diagnostics Monitoring (DDM): Yes This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance.
Lead Time

Ships in 6-10 Bus Days

UNSPSC Code

43201404

Weight

0.13lb

Height

6in

Width

6in

Length

8.5in

Catalog Page Number

NEW

Application/usage

Optical Network

Brand

StarTech.com

Brand Name

StarTech.com

Category

Networking & Wi-Fi Accessories

Compatibility

MSA Compliant

Connector Type

MPO

Country of Origin

China

Environmental Compliance

Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)

Environmentally Friendly

Yes

Ethernet Technology

40 Gigabit Ethernet

Fiber Mode Supported

Multi-mode

Form Factor

Hot-swappable

Interfaces/Ports Details

1 x MPO Duplex 40GBase-SR4 Network

Limited Warranty

Lifetime

Manufacturer

StarTech.com

Manufacturer Part Number

QSFP40GESR4E

Manufacturer Website Address

http://www.startech.com

Media Type Supported

Optical Fiber

Network Technology

40GBase-SR4

Packaged Quantity

1 each

Product Name

Dell EMC QSFP-40G-ESR4 Compatible QSFP+ Transceiver Module - 40GBase-SR4

Product Type

QSFP+

Total Number of Ports

1

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