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Check Point Compatible 100GBASE-CWDM4 QSFP28 100G 1310nm 2km DOM Duplex LC/UPC SMF Optical Transceiver Module
Check Point Compatible 100GBASE-CWDM4 QSFP28 100G 1310nm 2km DOM Duplex LC/UPC SMF Optical Transceiver Module
Check Point Compatible 100GBASE-CWDM4 QSFP28 100G 1310nm 2km DOM Duplex LC/UPC SMF Optical Transceiver Module
P/N: QSFP-100G-CWDM4
$109.00
1
Solds
8
Reviews
5
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（1 In Stock）

Product Highlights

Built-in Semtech Chip, and Max. Power Consumption 3.5W
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Hot Pluggable QSFP28 MSA Compliant, Class 1 FDA Laser Safety, and RoHS Compliant
Interoperable with Other IEEE-compliant 100G Interfaces for Seamless Integration
Digital Optical Monitoring Capability for Strong Diagnostic Capabilities
High-Speed Electrical Interface Compliant to IEEE 802.3bm
See more
Specifications
Certification
Connectivity Solutions
Comparison Table
Q&A
Reviews
Resources
Check Point Compatible 100GBASE-CWDM4 QSFP28 100G 1310nm 2km DOM Duplex LC/UPC SMF Optical Transceiver Module
The QSFP-100G-CWDM4 QSFP28 Optical Transceiver Module is designed for use in 100GBASE Ethernet throughput up to 2km over single mode fiber (SMF). The 100 Gigabit Ethernet signal is carried over four wavelengths at 1271, 1291, 1311, 1331 nm. This transceiver is compliant with IEEE 802.3ba, IEEE 802.3bm, 100G CWDM4 MSA, SFF-8665, SFF-8636 and ITU-T G.694.2 standards. With these features, this is suitable to be used in various applications, such as data centers, high-performance computing networks,enterprise core and distribution layer applications.
Specifications
Form Factor
QSFP28
Data Rate
103.125Gbps
Media
SMF
Wavelength
1264.5~1277.5nm@Lane 0 1284.5~1297.5nm@Lane 1 1304.5~1317.5nm@Lane 2 1324.5~1337.5nm@Lane 3
Connector
Duplex LC UPC
Distance
2km
Transmitter Type
DFB
Receiver Type
PIN
Electrical Modulation
4x 25.78125G NRZ
Optical Modulation
4x 25.78125G NRZ
Power Consumption
≤3.5W
Case Operating Temperature
0 to 70°C (32 to 158°F)
Protocol
100 Gigabit Ethernet 100G Infiniband EDR
Application
Swicth to Switch Switch to NIC Router to NIC Other Optical Links
Certification
Product
Product
Product
Product
Product
Product
Product
Product
Product
Product
Connectivity Solutions
Check Point Switch links：100G QSFP28 to 100G QSFP28
All
Check Point Switch links：100G QSFP28 to 100G QSFP28
Comparison Table
Cisco Compatible 100GBASE-SR4 QSFP28 850nm 100m MPO-12/UPC MMF Transceiver Module
QSFP-100G-SR4
Cisco Compatible 100GBASE-CWDM4 QSFP28 100G 1310nm 2km DOM Duplex LC/UPC SMF Transceiver Module
QSFP-100G-CWDM4
Cisco Compatible 100GBASE-LR4 QSFP28 100G 1310nm 10km Duplex LC/UPC Module SMF Transceiver Module
QSFP-100G-LR4
Form Factor QSFP28QSFP28QSFP28
Data Rate 103.125Gbps103.125Gbps103.125Gbps
Media MMFSMFSMF
Wavelength 850nm1264.5~1277.5nm@Lane 0 1284.5~1297.5nm@Lane 1 1304.5~1317.5nm@Lane 2 1324.5~1337.5nm@Lane 31294.53~1296.59nm@Lane 0 1299.02~1301.09nm@Lane 1 1304.54~1305.63nm@Lane 2 1308.09~1310.09nm@Lane 3
Connector MTP/MPO-12 UPCDuplex LC UPCDuplex LC UPC
Distance 70m@OM3 100m@OM42km10km
Transmitter Type VCSELDFBEML
Receiver Type PINPINPIN
Electrical Modulation 4x 25.78125G NRZ4x 25.78125G NRZ4x 25.78125G NRZ
Optical Modulation 4x 25.78125G NRZ4x 25.78125G NRZ4x 25.78125G NRZ
Power Consumption ≤2.5W≤3.5W≤3.5W
Case Operating Temperature 0 to 70°C (32 to 158°F)0 to 70°C (32 to 158°F)0 to 70°C (32 to 158°F)
Protocol 100 Gigabit Ethernet 4x 25G Breakout Ethernet 100G Infiniband EDR100 Gigabit Ethernet 100G Infiniband EDR100 Gigabit Ethernet 100G Infiniband EDR
Application Swicth to Switch Switch to NIC Router to NIC Other Optical LinksSwicth to Switch Switch to NIC Router to NIC Other Optical LinksSwicth to Switch Switch to NIC Router to NIC Other Optical Links
Form Factor
Data Rate
Media
Wavelength
Connector
Distance
Transmitter Type
Receiver Type
Electrical Modulation
Optical Modulation
Power Consumption
Case Operating Temperature
Protocol
Application
Cisco Compatible 100GBASE-SR4 QSFP28 850nm 100m MPO-12/UPC MMF Transceiver Module
QSFP-100G-SR4
Cisco Compatible 100GBASE-CWDM4 QSFP28 100G 1310nm 2km DOM Duplex LC/UPC SMF Transceiver Module
QSFP-100G-CWDM4
Cisco Compatible 100GBASE-LR4 QSFP28 100G 1310nm 10km Duplex LC/UPC Module SMF Transceiver Module
QSFP-100G-LR4
QSFP28
QSFP28
QSFP28
103.125Gbps
103.125Gbps
103.125Gbps
MMF
SMF
SMF
850nm
1264.5~1277.5nm@Lane 0 1284.5~1297.5nm@Lane 1 1304.5~1317.5nm@Lane 2 1324.5~1337.5nm@Lane 3
1294.53~1296.59nm@Lane 0 1299.02~1301.09nm@Lane 1 1304.54~1305.63nm@Lane 2 1308.09~1310.09nm@Lane 3
MTP/MPO-12 UPC
Duplex LC UPC
Duplex LC UPC
70m@OM3 100m@OM4
2km
10km
VCSEL
DFB
EML
PIN
PIN
PIN
4x 25.78125G NRZ
4x 25.78125G NRZ
4x 25.78125G NRZ
4x 25.78125G NRZ
4x 25.78125G NRZ
4x 25.78125G NRZ
≤2.5W
≤3.5W
≤3.5W
0 to 70°C (32 to 158°F)
0 to 70°C (32 to 158°F)
0 to 70°C (32 to 158°F)
100 Gigabit Ethernet 4x 25G Breakout Ethernet 100G Infiniband EDR
100 Gigabit Ethernet 100G Infiniband EDR
100 Gigabit Ethernet 100G Infiniband EDR
Swicth to Switch Switch to NIC Router to NIC Other Optical Links
Swicth to Switch Switch to NIC Router to NIC Other Optical Links
Swicth to Switch Switch to NIC Router to NIC Other Optical Links
Questions & Answers
edit icon Ask a question
All (5) Application (1)Product (1)Compatibility (1)Installation (1)Performance (1)
Q:

Are these transceivers used in cloud computing?

by 7***m on 2025-09-14 00:15:34

A:

Yes, they are widely used in public and private cloud infrastructure.

by AICPLIGHT on 2025-09-14 07:56:14

like icon Helpful 0
comment icon Comment 0
Q:

How do I verify the module is working?

by S***m on 2025-06-15 13:12:30

A:

Use switch CLI or monitoring tools to check link status.

by AICPLIGHT on 2025-06-16 10:23:57

like icon Helpful 0
comment icon Comment 0
Q:

What is the operating temperature range?

by Z***m on 2025-01-29 05:51:35

A:

Most modules operate between 0°C to 70°C, with extended versions available.

by AICPLIGHT on 2025-01-30 02:06:30

like icon Helpful 0
comment icon Comment 0
Q:

Do these cables support PAM4 modulation?

by o***m on 2025-01-06 01:48:25

A:

Yes, many modules and cables support PAM4 encoding.

by AICPLIGHT on 2025-01-06 11:16:16

like icon Helpful 0
comment icon Comment 0
Q:

Is it compatible with breakout configurations?

by 3***m on 2024-12-10 20:38:43

A:

Yes, we support various breakout and parallel transmission structures.

by AICPLIGHT on 2024-12-11 14:36:30

like icon Helpful 0
comment icon Comment 0
Customer Reviews
edit icon Write a review
All (8) Performance (1)Compatibility (1)Ease of Use (2)Customer Support (3)Value (1)
5
5***m
2025-06-29 02:51:13
Confirmed Purchase
5.0

They came with dust caps and clear product labeling, making it easy for our technicians to inventory and deploy them across racks.

link icon Helpful 0
comment icon Comment 0
6
6***m
2025-06-25 05:11:02
Confirmed Purchase
5.0

Pre-sales support helped us understand which optics would support both backward compatibility and future scalability.

link icon Helpful 0
comment icon Comment 0
G
G***m
2025-05-25 22:32:57
Confirmed Purchase
5.0

Installation was as simple as plug-and-play. The transceivers clicked into place securely, and link lights came up immediately.

link icon Helpful 0
comment icon Comment 0
r
r***m
2025-05-12 14:17:49
Confirmed Purchase
5.0

Allowed us to expand port capacity without blowing the budget. Ideal for mid-sized IT teams and MSPs.

link icon Helpful 0
comment icon Comment 0
Z
Z***m
2025-05-11 03:50:05
Confirmed Purchase
5.0

The RMA process for one faulty unit was smooth and quick. Replacement shipped out the same day, with excellent communication throughout.

link icon Helpful 0
comment icon Comment 0
h
h***m
2025-05-03 09:48:59
Confirmed Purchase
5.0

The 25G modules provided the bandwidth we needed for our ESXi hosts without causing compatibility issues with our SFP28 ports. Latency stayed under control and the modules remained cool to the touch.

link icon Helpful 0
comment icon Comment 0
v
v***m
2025-05-01 20:04:12
Confirmed Purchase
5.0

These transceivers were immediately recognized by our Dell and HPE servers with no firmware complaints. It was a simple swap from our OEM modules.

link icon Helpful 0
comment icon Comment 0
W
W***m
2025-04-08 06:51:36
Confirmed Purchase
5.0

We had a question about DOM support, and the vendor provided full documentation within hours, including screenshots and test results.

link icon Helpful 0
comment icon Comment 0
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