1 1

QSFP-40G-SR4-S Cisco Original 40GBASE-SR4 QSFP Trnscvr Module, MPO Conn, Enterprise-Class

QSFP-40G-SR4-S

$206.25 USD
$206.25 USD $1,999.08 USD
Sale Sold out
Shipping calculated at checkout.
In Stock at Global Warehouses (20 units), New Factory Sealed

The Cisco® 40GBASE QSFP (Quad Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density and low-power 40 Gigabit Ethernet connectivity options for data center, high-performance computing 00networks, enterprise core and distribution layers, and service provider applications.

QSFP-40G-SR4-S= Specification

Dimensions

13.5 x 18.4 x 72.4 mm

   QSFP Port cabling specifications

Wavelength (nm)

850

Cable Type

MMF

Core Size (microns)

50.0

50.0

Modal Bandwidth (MHz-km)

2000 (OM3)

4700 (OM4)

Cable Distance

100m

150m

Power Consumption (W)

1.5

Pull Tab Color

Beige

 Optical characteristics

Type

40GBASE-SR4, 4 lanes, 850 nm MMF

Transmit Power (dBm)

Max:+2,4 per lane

Min:-7.6 per lane

Receive Power (dBm)

Max:-2.4 per lane

Min:-9.5 per lane

Transmit and Receive Wavelength (nm)

840 to 860

Environmental conditions

Commercial temperature

0 to 70°C (32 to 158°F)

Storage temperature

-40 to 85°C (-40 to 185°F)

Regulatory and standards compliance

Standards

•GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable

•GR-326-CORE: Generic Requirements for Single-Mode Optical Connectors and Jumper Assemblies

•GR-1435-CORE: Generic Requirements for Multifiber Optical Connectors

•IEEE 802.3ba (-SR4, -LR4)

•IEEE 802.3ae (-CSR4)

•QSFP+ MSA SFF-8436

•SFP+ MSA SFF-8431 and -8461

•RoHS 6

Safety

 

•Cable jacket of QSFP copper modules is UL E116441 Compliant

•QSFP copper cables are ELV Compliant

Features and benefits of Cisco QSFP 40G modules:

  • Hot-swappable input/output device that plugs into a 40 Gigabit Ethernet Cisco QSFP port
  • Interoperable with other IEEE-compliant 40GBASE interfaces where applicable
  • Certified and tested on Cisco QSFP 40G ports for superior performance, quality, and reliability
  • High-speed electrical interface compliant to the IEEE 802.3ba standard
  • QSFP Form factor, 2-wire I2C communication interface and other low-speed electrical interface compliant to SFF 8436 and QSFP Multisource Agreement (MSA)
  • Vendor:

    Cisco

  • Type:

    Modules and Cards

View Product Details

  • Fast Delivery

    Fast Shipping Worldwide

  • Worry-Free Trial

    30 Days Easy Replace

  • Genuine Product

    Brand Official Warranty

  • 24/7 Support

    Professional technical support

Product Services

Your One-stop Shop for Every IT Need!

Whether you’re a bustling startup aiming to build a robust digital foundation, an established enterprise seeking to upgrade its tech infrastructure, or an individual navigating the complexities of personal digital tools—we are your ultimate one-stop IT partner, here to cover every gap, solve every glitch, and fuel every tech goal.​

Brands We Offer

Frequently Asked Questions About Product

If these questions do not dispel your doubts, please contact us

All of our products come from brand distributors or regional agents. We are also partners with some brands (such as Cisco, Dell, etc.) and purchase directly from distribution channels.

  • Ictgood cooperation with FEDEX,UPS & DHL and air shipment. Orders can be tracked by express Tracking number. Air shipment will supply the B/L.
  • If you do not want to clear customs yourself, or do not have customs clearance qualifications, we can also provide you with DDP (door-to-door) delivery, and you only need to wait at the delivery address.

Sure, we can use your accounts to ship goods without any issue.

All devices are brand-new, original products and covered by the official manufacturer’s warranty. Customers can apply for RMA through authorized local channels.

Standard warranty periods:

  • Cisco: Standard 90 days, up to 5 years for some products
  • Aruba (HPE): Up to 5 years after end-of-sale
  • Dell: Typically 1 year, extendable to 3 years for some models
  • HPE: Varies by product type
  • Zebra: 12 months from purchase or shipment date
  • Huawei (Enterprise): Usually 1 year, up to 5–10 years for specific products
  • Meraki: 1–3 years or lifetime for certain products, license required

Fortinet, Meraki brand licences purchased from us can be used globally, Cisco and Aruba service needs to be confirmed by contacting us

Contact form

If you have any needs, you can leave a message here, we will contact you as soon as possible