Cisco CPAK-100G-SR4 100GBASE-SR4 MMF Transceiver –

The Cisco CPAK-100G-SR4 is a high-performance optical transceiver designed for 100GBASE-SR4 applications over multimode fiber. Operating at 850nm, it provides reliable connectivity up to 70m on OM3 and 100m on OM4 fiber, making it ideal for high-bandwidth, short-reach deployments in data centers and enterprise environments.

Compact and efficient, this module reduces cabling complexity and supports seamless integration into Cisco networking equipment. Its low power consumption, IEEE 802.3ba compliance, and advanced optical performance ensure stable, high-speed connectivity for demanding infrastructures.

Key Features & Benefits

100G Ethernet Connectivity Delivers ultra-fast data transfer rates for enterprise and data center environments.
Short-Reach MMF Support Provides up to 100m connectivity using OM4 multimode fiber.
Compact CPAK Design Saves space while supporting high port density for scalable deployments.
Standards Compliant Fully compliant with IEEE 802.3ba for guaranteed interoperability.
Energy Efficient Low power consumption (<9W) reduces operational costs.

Ideal Uses

Data centers requiring high-capacity short-reach links.
Enterprise networks needing efficient backbone connections.
Cloud service providers supporting scalable infrastructures.
High-performance computing environments requiring fast inter-switch communication.

Specifications

Condition: device with no signs of use. Packaging may be opened. Device has been tested and is 100% functional.
Brand: Cisco
Model: CPAK-100G-SR4
Type: 100GBASE-SR4 Optical Transceiver
Form Factor: CPAK
Wavelength: 850nm
Fiber Type: Multimode Fiber (MMF, 12 fibers)
Distance: 70m (OM3), 100m (OM4)
Data Rate: 100 Gbps (1×100G)
Connector: MPO-12
Transmit Power: -8.4 dBm to +2.4 dBm per lane
Receive Power: -5.2 dBm to +2.4 dBm per lane
Center Wavelength Range: 840 860nm (4 lanes)
Modal Bandwidth: 2000 MHzkm (OM3), 4700 MHzkm (OM4)
Standards: IEEE 802.3ba
Power Consumption: <9.0W (at 70°C max)
Dimensions: 11.6 × 34.8 × 101.2 mm
Operating Temperature: 0°C to 70°C
Storage Temperature: -40°C to +85°C
Warranty: 3 Month Carry-in Warranty
What's in the Box: 1 × Cisco CPAK-100G-SR4 Transceiver Module