SKU: 33999124128

NEW Cisco QSFP-40G-LR4 40GB BASE-LR4 1310nm SMF LC QSFP Transceiver

Sale price$140.85 Regular price$156.50
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Description

NEW Cisco QSFP-40G-LR4 40GB BASE-LR4 1310nm SMF LC QSFP TransceiverThe Cisco QSFP 40G LR4 is a high performance 40GB BASE LR4 transceiver for long range connectivity in data center and enterprise network environments. Its wavelength of 1310nm enables compatibility with single mode fiber (SMF) connections, ensuring reliable transmission over distances up to 10 kilometers. This hot pluggable optical module features LC connectors and operates on four parallel channels, each supporting up to 11. 2 Gbps transfer rate,

The Cisco QSFP-40G-LR4 is a high-performance 40GB BASE-LR4 transceiver for long-range connectivity in data center and enterprise network environments. Its wavelength of 1310nm enables compatibility with single-mode fiber (SMF) connections, ensuring reliable transmission over distances up to 10 kilometers.

This hot-pluggable optical module features LC connectors and operates on four parallel channels, each supporting up to 11.2 Gbps transfer rate, resulting in an aggregate bandwidth of up to 44.6 Gbps. It complies with the IEEE standards for quality assurance and has been rigorously tested by Cisco, guaranteeing its reliability.

With advanced digital diagnostic capabilities integrated into the transceiver's firmware architecture, it provides vital information about power levels, temperature readings, voltage supply status, and various system monitoring functions that aid troubleshooting efforts.

Cisco QSFP-40G-LR4: 40GBASE-LR4 with OTU3 data rate support, 1310 nm, QSFP Module for SMF, LC connector.

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SKU: 33999124128

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Miriam Sariol
Charlottesville, US
★★★★★ 5
Easy to use
Kinda cool that it brings different size clips and the tool makes it easy to pull the clips out.
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Reviewed in the United States on December 28, 2025
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Stephan F.
Carnegie, US
★★★★★ 4
Fit as described
Used to install an inner fender liner. Seem a little more fragile than OEM, but suitable for the intended use and much less expensive.
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Reviewed in the United States on November 8, 2023
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Shawn A Hughes
Bozeman, US
★★★★★ 5
Fits well, good quality.
Good assortment for the price; clips fit well.
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Reviewed in the United States on March 10, 2026
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Harold Monroe
Whiting, US
★★★★★ 5
Good
Works great.
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Reviewed in the United States on January 11, 2026
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B. G.
Lexington, US
★★★★★ 5
Noticeable Improvement in Engine Smoothness
Size: 150 ml, Pack of 1
I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive. It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives. While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.
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Reviewed in the United States on March 7, 2026

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