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Stable 100G LR4 CPAK delivering consistent 10km SMF connectivity.
CPAK-100G-LR4
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CPAK-100G-LR4 TRANSCEIVER MOD 10KM SMF
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Name:
CPAK-100G-LR4
- Description:
- CPAK-100G-LR4 TRANSCEIVER MOD 10KM SMF
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- Brand:
- Cisco
- GTIN:
- 662718406538
- Condition:
- Warranty:
- 3
- List Price:
$49,553.00
- Price:
$12,026.0075.7% off
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CPAK-100G-LR4 Overview
CPAK-100G-LR4 is a QSFP28 transceiver designed for high-speed 100G Ethernet applications. It employs LC connectors and supports long-range transmission up to 10 km over single-mode fiber while operating with protocols such as Ethernet and Fibre Channel.
Engineered with a compact form factor and standardized physical dimensions, CPAK-100G-LR4 is ideally suited for data centers, enterprise networks, and telecom environments. Its robust design and precise compliance with industry standards ensure reliable performance in high-density port scenarios.
CPAK-100G-LR4 price is $12,026.00, a 75.7% saving from the Cisco list price of $49,553.00. CPAK-100G-LR4 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CPAK-100G-LR4 for additional pricing. Browse the full Cisco 100G Optical Modules series or explore all Cisco products.
CPAK-100G-LR4 Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- QSFP28
- Data Rate
- 100G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- Supported Protocols
- Ethernet, Fibre Channel
- Network Interface
- Ethernet
- Power Consumption
- N/A
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- CPAK-100G-LR4
- Height
- 0.24 in
- Width
- 0.87 in
- Depth
- 1.06 in
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| CPAK-100G-LR4 |  CPAK-100G-SR10 |  CPAK-100GE-LR4 |  QSFP-40/100-SRBD |  CFP-100G-SR10 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP28 | QSFP28 | QSFP28 | QSFP | CFP |
| Data Rate | 100G | 100G | 100G | 40G / 100G | 100G |
| Connector Type | LC | MPO | LC | MPO | LC |
| Wavelength | 1310 nm | 850nm | 1310 nm | 850 nm | 850nm |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Short-Range | Short-Range |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Multi-mode | Multi-mode |
| Max Distance | 10 km | 100 meters | 10 km | 150m | 100 meters |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet | Ethernet / Fibre Channel | Ethernet |
| Network Interface | Ethernet | Ethernet | Ethernet | Fiber | Ethernet |
| Power Consumption | N/A | 6.0W | N/A | N/A | 10W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V / 5V |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | CPAK-100G-LR4 | CPAK-100G-SR10 | CPAK-100GE-LR4 | QSFP-40/100-SRBD | CFP-100G-SR10 |
| Height | 0.24 in | 0.65 inches | N/A | N/A | N/A |
| Width | 0.87 in | 0.91 inches | N/A | N/A | N/A |
| Depth | 1.06 in | 1.24 inches | N/A | N/A | N/A |
| Weight | N/A | 0.15 lbs | N/A | N/A | N/A |
Reviews & Ratings
O
Oswin Radcliffe
5
Strong optical performance and seamless compatibility.
P
Percival Grantley
4
Reliable 100G backbone solution with steady throughput.
Q
Quade Hollister
4
Maintains clean signal levels across long fiber runs.
R
Rufus Calderwood
5
Efficient and dependable CPAK module for enterprise links.
S
Sterling Winthrop
5
Consistent latency and stable high-speed connectivity.
T
Thatcher Beaumont
4
High performance long-range 100G optics.
Questions & Answers
What is the Cisco CPAK-100G-LR4 transceiver module?
The Cisco CPAK-100G-LR4 is a QSFP28 100 Gbps single-mode fiber transceiver optimized for up to 10 km reach on SMF.
What transmission distance does the CPAK-100G-LR4 support?
The CPAK-100G-LR4 supports links up to 10 km over single-mode fiber with an optical budget of approximately 2.4 dB.
Which fiber type is required for the CPAK-100G-LR4?
This module requires ITU-T G.652 single-mode fiber (SMF) to achieve its full 10 km reach.
What connector does the CPAK-100G-LR4 use?
It uses an LC duplex connector interface that is fully compliant with QSFP28 LR4 specifications.
What wavelength does the CPAK-100G-LR4 transceiver operate on?
The module employs four lanes at 1295 nm, 1300 nm, 1305 nm, and 1310 nm for coarse wavelength-division multiplexing (CWDM).
Which data rate does the CPAK-100G-LR4 support?
The transceiver supports a 100 Gbps data rate aggregated over four 25 Gbps channels.
Is the CPAK-100G-LR4 hot-swappable?
Yes, the CPAK-100G-LR4 is fully hot-swappable and can be inserted or removed without powering down the host device.
Which Cisco platforms are compatible with the CPAK-100G-LR4?
It is compatible with Cisco switches, routers, and data center platforms that support QSFP28 LR4 modules, including Nexus 9000 and UCS chassis.
What is the operating temperature range of the CPAK-100G-LR4?
The module operates reliably from 0 °C to 70 °C (commercial range) and from –40 °C to 85 °C (industrial range).
Does the CPAK-100G-LR4 support digital diagnostics monitoring (DDM)?
Yes, it features DDM (also known as DOM) for real-time monitoring of optical power, temperature, voltage, and laser bias current.
What housing form factor does the CPAK-100G-LR4 use?
It uses the proprietary Cisco CPAK form factor, which is a QSFP28-compatible package optimized for Cisco hardware.
Can I use third-party CPAK-100G-LR4 transceivers in Cisco devices?
Cisco devices enforce vendor validation; non-Cisco CPAK-100G-LR4 may be rejected unless specifically licensed or approved by Cisco.
How do I install the CPAK-100G-LR4 transceiver?
Align the module with the QSFP28 slot, gently slide until it latches, then secure the fiber LC connectors to complete installation.
What is the typical power consumption of the CPAK-100G-LR4?
The module consumes up to 4.5 W under full load, meeting Cisco’s power-efficiency guidelines for 100 Gbps optics.
What warranty covers the CPAK-100G-LR4?
Cisco provides a lifetime warranty on the CPAK-100G-LR4 when used in supported hardware, including advance replacement service.
How can I verify the performance of my CPAK-100G-LR4 link?
Use built-in DDM commands on Cisco IOS or NX-OS to monitor real-time optical parameters and verify that power levels and temperature remain within spec.