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Description
QSFP-40G-ER4-SM1310 H3C® Compatible Transceiver QSFP+ 40GBase-ER4 (1310nm, SMF, 40km, LC, DOM)QSFP 40G ER4 SM1310 H3C Compatible Transceiver QSFP+ 40GBase ER4 (1310nm, SMF, 40km, LC, DOM) ATGBICS H3C Compatible QSFP 40G ER4 SM1310 QSFP+ 40GBase ER4 form factor network transceiver supports a distance of up to 40km over single mode fibre (SMF) using a wavelength of 1310nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present enabling real time monitoring
QSFP-40G-ER4-SM1310 H3C® Compatible Transceiver QSFP+ 40GBase-ER4 (1310nm, SMF, 40km, LC, DOM)
ATGBICS H3C® Compatible QSFP-40G-ER4-SM1310 QSFP+ 40GBase-ER4 form factor network transceiver supports a distance of up to 40km over single-mode fibre (SMF) using a wavelength of 1310nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present enabling real-time monitoring of the parameters of the fibre optic transceiver.
Our product meets the specification of H3C® QSFP-40G-ER4-SM1310 and we proudly offer a compatibility guarantee and limited lifetime warranty. Our rigorously tested products record a unique traceable serial number and are fully compliant with all MSA (Multi-Source Agreement) and IEEE standards & protocols.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Amazing
perfect for dry mouth, stays secure without feeling weird. Great for sleeping, stays in place, not waking up to dry mouth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2024
★★★★★ 4
good deal
they work very well - for most of the night. However, cause throat congestion late in the night.
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Reviewed in the United States on March 27, 2025
★★★★★ 5
It works. I use every night.
I order again and again. I use overnight. It works
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Reviewed in the United States on April 28, 2025
★★★★★ 5
Helps with dry mouth
Scent Name: Berry, Size: 40 Count (Pack of 1)
I purchased this because I’ve noticed as I get older that my mouth produces less saliva. I have been experiencing dry mouth more and more often, especially at night. I started mouth taping and using xylitol melts and I’ve seen a huge improvement in my overall oral health. They are easy to use, taste good and were comfortable overnight. Highly recommend.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Instant Results
Scent Name: Berry, Size: 40 Count (Pack of 1)
I’ve been struggling with dry mouth for some time due to Sjorgens disease.
After trying various remedies with little success, I stumbled upon these Xylitol tabs, and I can’t believe how fast they worked.
From the first use, I noticed a significant difference. The tabs dissolve quickly and have a pleasant, refreshing flavor that instantly alleviates that uncomfortable dry feeling. Not only do they help stimulate saliva production, but they also keep my mouth feeling moist for a longer rime.
If you’re dealing with dry mouth, I highly recommend giving these Xylitol tabs a try. They're a game-changer!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
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