Best in 7 days
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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
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Description
Cisco QSFP-40G-LR4 Compatible 40GBASE-LR4 QSFP+ 1310nm 10km Optical Transceiver ModuleCisco QSFP 40G LR4 Compatible 40GBASE LR4 QSFP+ Optical Transceiver Module (SMF, 1310nm, 10km, LC, DDM) Specification Model Name QSFP 40G LR4 Vendor Name Ecloudlight Form Factor QSFP+ Data Rate 40 Gbps Wavelength 1310nm Distance 10km@OS2 Connector LC Duplex Cable Type OS2 SMF Transmitter Type DFB Receiver Type PIN TX Power 7~2. 3dBm Receiver Sensitivity < 13. 7dBm Power Consumption <2. 5W Modulation Format NRZ DDM Support Bit Error Ratio (BER) 1E 12
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.0 ★★★★★
Based on 1721 reviews
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Product Reviews
★★★★★ 2
Decent, but be careful of frequent use.
Size: 12 Pairs / 24 pcs, Size: 12 Pairs / 24 pcs
The looks are very nice, functional if left alone once assembled. After that I would leave them alone otherwise you risk the main male portion just coming loose of the housing, sound quality is decent, nothing to write home about, but again, not very durable. If they could fix that 1 thing, these would be very good buy and value, the rest of each plug is hefty and well made.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Fixed my over temp warning issue.
Easy to change and work like new. No more over temp warning at idle.
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Reviewed in the United States on June 9, 2025
★★★★★ 5
Outboard thermostat
Works fine. A little pricey but better to buy the best than risk a cheap failure and destroy your engine like i did once.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Good
Good
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Works as it should
Works as it should
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Reviewed in the United States on March 24, 2026
