SKU: 56519845351

NEW Cisco CFP-40G-SR4 40GB BASE-SR4 850nm MMF CFP Transceiver

$172.79 $191.99
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

NEW Cisco CFP-40G-SR4 40GB BASE-SR4 850nm MMF CFP TransceiverThe NEW Cisco CFP 40G SR4 40GB BASE SR4 transceiver is designed for high speed networking with a form factor of 40 Gigabit Ethernet. It operates at a speed of 40 Gbps and has a wavelength of 850 nm, making it compatible with multi mode fiber cables. The transceiver can support cable distances ranging from 30m (OM2) to up to 150 m (OM4), providing flexibility in network setup. Whether upgrading existing equipment or building new infrastructure, the

The NEW Cisco CFP-40G-SR4 40GB BASE-SR4 transceiver is designed for high-speed networking with a form factor of 40 Gigabit Ethernet. It operates at a speed of 40 Gbps and has a wavelength of 850 nm, making it compatible with multi-mode fiber cables.

The transceiver can support cable distances ranging from 30m (OM2) to up to 150 m (OM4), providing flexibility in network setup. Whether upgrading existing equipment or building new infrastructure, the Cisco CFP-40G-SR4 offers reliable performance for your connectivity needs.

Cisco CFP-40G-SR4: The Cisco 40GBASE-SR4 CFP module supports link lengths of up to 100m and 150m, respectively, over laser-optimized OM3 and OM4 multimode fiber cables. It enables high-bandwidth 40 Gigabit Ethernet optical links over ribbon fiber cables terminated with female MPO/MTP 12-fiber connectors. This CFP module supports IEEE 40GBASE-SR4 standard only.

NEW Cisco CFP-40G-SR4 40GB BASE-SR4 850nm MMF CFP Transceiver

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SKU: 56519845351

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4.4 ★★★★★
Based on 7 reviews
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Verified Purchase
Digital Hustler
Waukegan, US
★★★★★ 5
Step up your fresh breath game!
This!!! This is the step I was missing in my oral care routine. I was previously using one of those cheap plastic little scrubbers you get from the dollar store to brush my tongue but didn't feel like it did much, it was just a routine. A friend of mine suggested a metal tongue scraper and said it was really helping to keep her mouth clean and fresh after a bunch of expensive dental work. Well, shoot....why not? I won't pretend like I know all the scientific benefits behind tongue scraping, but all I know is from the first time, I was sold on it. You simply hold both ends in your hands and gently place the curved groove on the back of your tongue towards your throat, scraping gently down towards the tip of your tongue. You'll be shocked at the amount of goo that comes off! At least I was, and I am a daily tongue brusher! Rinse the muck off between each scraping and your tongue will be clean and neat. 2 points of caution: 1) Be careful going too far back at first. It can trigger your gag reflex so only go back as far as you feel comfortable and work your way back. 2) You have really sensitive large taste buds at the base of your tongue, so do not press and drag too hard. You can use a small amount of pressure, but not too much is needed. You can definitely hurt your tongue that way (I did, and it was not nice). I've noticed that my breath is much fresher for much longer on days when I scrape my tongue with this. (I did a control test with my old plastic brush and this steel scraper, and the steel scraper outperformed by a mile). My mouth felt cleaner and I don't know if this can be proven, but I feel like food tasted better? My morning coffee seemed even more enjoyable after my first round of tongue-scraping. You get two for such a good price and it will last such a long time. Get one for you and your SO. To be honest, all the brushing and flossing, and mouthwash in the world doesn't replace scraping all that gunk off your tongue if you want fresh clean breath. I highly recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2023
T
Verified Purchase
TracyAnn Beadle
Lowell, US
★★★★★ 5
I would buy it again
10/10 gets the job done and more. easy to use and good quality. The design is perfect and has not rusted so far. The best thing is it's two for the price so it's even better
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 5, 2026
G
Verified Purchase
Gømxz
Whiting, US
★★★★★ 5
Simple and Effective for Fresher Breath!
I decided to try these stainless steel tongue scrapers, and I'm glad I did. You get a pack of two, which is convenient. They feel really sturdy, being made of surgical steel, and they are easy to clean. I've noticed a difference in how fresh my mouth feels since I started using them. It's a simple addition to my oral hygiene routine, but it seems to make a real impact on breath freshness. If you're looking for a durable and effective tongue cleaner, this two-pack is a good option.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2025
K
Verified Purchase
Kim Wheeler
Fort Morgan, US
★★★★★ 5
It gives fast relief
Size: 0.75 Ounce (Pack of 2)
Really good for dry mouth
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
D
Verified Purchase
Douglas Evans
Lake Worth, US
★★★★★ 5
Dry
Size: 0.75 Ounce (Pack of 2)
Item great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026

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