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Cisco QSFP-40G-SR4-S 40GBASE-SR4 QSFP Module for MMF

Brand: Cisco
Part Number: QSFP-40G-SR4-S
UPC: 882658745416
Condition: Factory New Sealed
Availability: In Stock
Shipping: Fast Shipping Across Canada
Delivery: Typically within 2 Business Days
Warranty: 3 Years

C$ 308.90

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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 networks, enterprise core and distribution layers, and service provider applications.

Features and benefits of Cisco QSFP 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)

Cisco QSFP-40G-SR4-S (S-Class)

The S-Class Cisco 40GBASE-SR4-S QSFP module supports link lengths of 100 and 150 meters, respectively, on laser-optimized OM3, and OM4/OM5 multimode fibers. QSFP-40G-SR4-S is aligned to IEEE 40GBASE-SR4 optical specifications which support high-bandwidth 40G optical links over 12-fiber parallel fiber terminated with MPO/MTP multifiber female connectors. Because the QSFP-40G-SR4-S does not support 4x10G breakout connectivity, see QSFP-40G-SR4 or QSFP-40G-CSR4 for such applications. QSFP-40G-SR4-S does not support FCoE.

Specifications

Product number: QSFP-40G-SR4-S
Description: Cisco 40GBASE-SR4 QSFP Module for MMF
Product Type: 40GBASE-SR4, 4 lanes, 850 nm MMF
Connector Type: MPO-12
Wavelength: 850nm
Cable type: MMF
Cable distance:

100m @ OM3
150m @ OM4/OM5

Power consumption: 1.5W
Pull tab color: Beige
Transmit power (dBm)

Maximum: 2.4, per lane
Minimum: -7.6, per lane

Receive power (dBm)

Maximum: 2.4, per lane
Minimum: -9.5, per lane

Transmit and receive wavelength (nm): 840 to 860
Operating temperature range: Commercial temperature range: 0 to 70°C (32 to 158°F)
Storage temperature range: -40 to 85°C (-40 to 185°F)

Platform support

Cisco QSFP-40G-SR4-S is supported on a wide range of Cisco equipment.

Cisco Nexus 9396PX
Cisco Catalyst C9500-24Y4C
Cisco Nexus 6000 N6K-C6004-M12Q
Cisco Nexus 5000 N55-M4Q
Cisco Nexus 6000 N6K-C6001-64T
Cisco Nexus 9000 N9K-M12PQ
Cisco Nexus 9000 N9K-C9336PQ
Cisco Nexus 7000 N7K-M206FQ-23L
Cisco Nexus 9000 N9K-X9464PX
Cisco Nexus 9000 N9K-C93120TX
Cisco Nexus 3000 N3K-3172TQ
Cisco Nexus 9000 N9K-C9332PQ
Cisco Nexus 9000 N9K-M12PQ
Cisco Nexus 9000 N9K-X9536PQ
Cisco Nexus 9000 N9K-C92160YC-X
Cisco Nexus 5000 N55-M4Q
Cisco Nexus 9000 N9K-M6PQ
Cisco Nexus 6000 N6004-96Q
Cisco Nexus 9000 N9K-C9372PX
Cisco Nexus 3000 N3K-3172PQ
Cisco Nexus 3000 N3K-C3132Q-X
Cisco Nexus 9000 N9K-C9372PX-E
Cisco Nexus 9000 N9K-C9372PX
Cisco Nexus 3000 N3K-C3064PQ-10GE
Cisco Nexus 9000 N9K-C9272Q
Cisco Nexus 9000 N9K-M6PQ
Cisco Nexus 9000 N9K-X9432C-S
Cisco Nexus 9000 N9K-C9372TX
Cisco Nexus 3000 N3K-C3016Q
Cisco Nexus 5000 N5K-C56128P
Cisco Nexus 3000 N3K-C3064X
Cisco Nexus 9000 N9K-M6PQ-E
Cisco Nexus 9000 N9K-X9736PQ
Cisco Nexus 9000 N9K-C93120TX
Cisco Nexus 9000 N9K-X9564PX (uplinks)
Cisco Nexus 9000 N9K-C9372TX-E
Cisco ASR 9000 A9K-MPA-1X40GE
Cisco Nexus 9000 N9K-C9372TX-E
Cisco Nexus 9000 N9K-X9636PQ
Cisco Nexus 2000 N2K-2348UPQ
Cisco Nexus 9000 N9K-X9432PQ
Cisco Nexus 7000 N77-F324FQ-25
Cisco A9K-MPA-2X40GE
Cisco Nexus 9000 N9K-M6PQ-E
Cisco NCS-5501
Cisco Nexus 92304QC
Cisco Nexus 2000 N2K- 2332TQ
Cisco Nexus 9000 N9K-X9464TX
Cisco Nexus 6000 N6004-B-24Q
Cisco Nexus 7000 N7K-M202CF-22L
Cisco Nexus 3000 N3K-C3064-32T
Cisco Nexus 2000 N2K-2348TQ
Cisco Nexus 3000 N3K-3172PQ
Cisco Nexus 9000 N9K-M6PQ-E
Cisco Nexus 3000 N3K-C31128PQ-10GE
Cisco Nexus 9300-EX Series 93180YC-EX
Cisco Nexus 2000 N2K-C2248PQ
Cisco Nexus 5000 N5K-C5672UP
Cisco Nexus 9000 N9K-C9372PX-E
Cisco Nexus 9000 N9K-C9332PQ
Cisco Nexus 3000 N3K-C3064PQ
Cisco Nexus 5000 N5K-C5672UP
Cisco Nexus 3000 N3K-C3064T
Cisco Nexus 6000 N6K-C6001-64P
Cisco Nexus 9000 N9K-X9564TX (uplinks)

QSFP-40G-SR4-S

This QSFP-40G-SR4-S is 100% genuine Cisco product. It won't have any compatibility problem with your Cisco devices. And the Cisco QSFP-40G-SR4-S 40GBASE-SR4 QSFP Module for MMF is factory new with original packaging. Buy it now and enjoy risk free purchase with fast worldwide delivery from GenuineModules.com

Optical Transceiver Specifications
Product Type	Optical Transceiver
Form Factor	QSFP
Data Rate	40Gbps
Network Standard	Ethernet
Maximum Distance	100m
Wavelength	850nm
Fiber Type	Multimode Fiber (MMF)
Fiber Standard	OM3
Connector Type	MPO/MTP
Transceiver Type	Optical
Hot Swappable	Yes
Operating Temperature	0°C to 70°C
Brand	Cisco
Application	Data Center

Paul K	08/04/2025 EDT
The product was packed well. Good quality and size. Works well and have had no issues this far. 5

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Will the Cisco QSFP-40G-SR4-S work with my Cisco switch or router?

The Cisco QSFP-40G-SR4-S is designed for Cisco 40G QSFP ports and supports many Cisco Nexus, Catalyst, ASR, and NCS platforms. It uses 40GBASE-SR4 over multimode fiber with an MPO-12 connector, so please verify your switch model and port type before ordering.

How do I install the QSFP-40G-SR4-S 40GBASE-SR4 module?

Installation is quick and straightforward. This hot-swappable 40G QSFP module plugs directly into a compatible Cisco QSFP port, and the fiber connects through an MPO/MTP female connector. No special tools are required, but proper fiber polarity and clean end faces are important.

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QSFP-40G-SR4-S Datasheet

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