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Cisco QSFP-40G-SR4-S= network transceiver module Fiber optic 40000 Mbit/s 850 nm

Cisco QSFP-40G-SR4-S=, Fiber optic, 40000 Mbit/s, QSFP, MPO, 50/125 µm, SR

Best offerPrice trend

£1,100

Rising
Price trend
Detailed analysis ›
Price history of Cisco QSFP-40G-SR4-S= network transceiver module Fiber optic 40000 Mbit/s 850 nm over the last 3 months
DatePrice
13 August 2026£316
26 September 2026£1,323
26 September 2026£1,322
26 September 2026£1,102
26 September 2026£1,102
30 September 2026£1,100
2 October 2026£1,100

Compare Cisco QSFP-40G-SR4-S= network transceiver module Fiber optic 40000 Mbit/s 850 nm prices UK

Product Information

The Cisco 40GBASE-SR4 QSFP module supports link lengths of 100 and 150 meters, respectively, on laser-optimized OM3 and OM4 multimode fibers. It primarily enables high-bandwidth 40G optical links over 12-fiber parallel fiber terminated with MPO/MTP multifiber connectors. Cisco QSFP-40G-SR4-S is optimized to guarantee interoperability with any IEEE-compliant 40GBase-SR4 module.

Network Transceiver Modules Cisco

Product

Name
Cisco QSFP-40G-SR4-S= network transceiver module Fiber optic 40000 Mbit/s 850 nm
Brand
Cisco

Operational conditions

Operating temperature (T-T)
0 - 70 °C
Storage temperature (T-T)
-40 - 85 °C
Operating relative humidity (H-H)
10 - 80%
Storage relative humidity (H-H)
10 - 85%

Performance

SFP transceiver type
Fiber optic
Maximum data transfer rate
40000 Mbit/s
Interface type
QSFP
Multi-mode fiber (MMF) supported
Yes
Fiber optic connector
MPO
Fiber cable diameters supported (core/cladding)
50/125 µm
SFP transceiver standard
SR
Maximum transfer distance
150 m
Wavelength
850 nm
Networking standards
IEEE 802.3ba
Cabling technology
40GBASE-SR4
Auto MDI/MDI-X
Yes

Features

Hot-Plug support
Yes

Logistics data

Harmonized System (HS) code
85369010

Certificates

Certification
MSA

Packaging content

Quantity per pack
1 pc(s)

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