Best in 7 days
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Description
QSFP-40G-LR4 - Cisco QSFP 40GBASE-LR4 10KM TransceiverCisco QSFP 40G LR4 40GBase LR4 QSFP+ Transceiver What it is QSFP 40G LR4 is a Cisco 40 Gigabit Ethernet QSFP+ transceiver designed for long reach fiber links. Its a 40GBase LR4 optic that runs over single mode fiber, using four CWDM wavelengths to deliver 40GbE over long distances in data center interconnect and campus backbone deployments. Why buyers pick QSFP 40G LR4 (plain English) Long distance 40G fiberSupports extended reach over single mode
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 1492 reviews
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Product Reviews
★★★★★ 5
Great quality
Size: XX-Large, Color: Grey Blue
Great quality! Very nice color! Fits to size.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Highly recommend
Is a great product, it fit perfectly, the materials are great.
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Reviewed in the United States on April 7, 2026
★★★★★ 4
Looks great
Size: Large, Color: Black
Looks great, comfortable to wear, love that the buttons are the same color as the shirt, easy to wash, appears to be durably made.
Significantly exceeded expectations (I ordered 2 more).
4 stars instead of 5 because it’s possible to move your arms in a way that makes the shirt slightly tight in the bicep area, but that’s unnoticeable almost all of the time (and minor anyway). Note: even after a couple of wash - wear - wash cycles, there were creases along the same places as where the shirt was shipped; this was easily remedied by a quick iron on a low setting and I think reflects that it is quite resistant to wrinkles.
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Reviewed in the United States on February 26, 2025
★★★★★ 3
Nice shirt.
Size: Large, Color: Pacifico
Decent shirt but not as soft as you would think.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
It's for his sister graduation
Size: Small, Color: Pink
It fits my son perfectly
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Reviewed in the United States on May 13, 2026
