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Description
QDD-800G-2LR4-MSA Universally Coded MSA compliant Transceiver QSFP-DD 800GBase-2LR4 (1271/1291/1311/1331nm, SMF, 10km, 2xLC, DOM)QDD 800G 2LR4 MSA Universally Coded MSA compliant Transceiver QSFP DD 800GBase 2LR4 (1271 1291 1311 1331nm, SMF, 10km, 2xLC, DOM) ATGBICS Universally Coded MSA compliant QDD 800G 2LR4 MSA QSFP DD 800GBase 2LR4 form factor network transceiver supports a distance of up to 10km over single mode fibre (SMF) using a wavelength of 1271 1291 1311 1331nm via an 2xLC Duplex connector. This product operates within a commercial temperature range. Digital optical
QDD-800G-2LR4-MSA Universally Coded MSA compliant Transceiver QSFP-DD 800GBase-2LR4 (1271/1291/1311/1331nm, SMF, 10km, 2xLC, DOM)
ATGBICS Universally Coded MSA compliant QDD-800G-2LR4-MSA QSFP-DD 800GBase-2LR4 form factor network transceiver supports a distance of up to 10km over single-mode fibre (SMF) using a wavelength of 1271/1291/1311/1331nm via an 2xLC 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 Universally Coded MSA QDD-800G-2LR4-MSA 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
4.5 ★★★★★
Based on 2333 reviews
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Product Reviews
★★★★★ 4
Nice
Size: 10.5, Color: Black White
True fit. Not the hard back. Not easy to slide into without using your finger. Comfortable at a good price.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
VERY comfortable shoe, great for wearing on long days.
Size: 11, Color: All Black
VERY comfortable shoe for the price!! Just as comfortable as my name brand shoes, Nike, ASICS and Adidas. Not sure how long these will last only have had them for a short time, I will update my review at a later date for that!
It does run pretty wide, I have a wide forefoot it was large on me. I recommend ordering at least a 1/2 -full size down if you are a woman wearing this shoe. I normally wear a 10.5 men's, I ordered an 11, it was large on me. Good amount of stretch to the shoe as well, good and breathable.
I did retrofit an arch support insert and replaced the he laces with elastic ones. Made the shoe EXTREMELY easy to wear and put on hands free (when needed). I have to say it's great for a variety of activities, as well. So fa wore to work, vacation walking and running errands.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Exactly the shoes I've been looking for...
Size: 11, Color: All Black
I attend a lot of concerts and an annual 5 day music festival in Baltimore. Needless to say it is a lot of walking and standing on concrete. Of course my feet, knees and legs absorb a lot of punishment especially at 61 years young. I looked around on Amazon before attending this year in hopes to find shoes that may help at a reasonable cost. Let me tell you I just returned from this years fest and all I can say is buying these Feethit Sneakers was the best decision I made. Super comfortable, didn't require a lot of break in, lightweight, flexible with fantastic support. Everything I had hoped to find and can't believe all the boxes were checked with one show. 5 days of walking and standing and could have easily done 5 more. Thanks so much Feethit !!!!
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Reviewed in the United States on May 29, 2026
★★★★★ 3
very convenient
Size: 12, Color: All Black
very comfortable easy to slip on real convenient for everyday use
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Reviewed in the United States on May 8, 2026
★★★★★ 5
So Comfortable!
Size: 11, Color: Grey
Love these sneakers. I am a woman but the mens sneakers are wider for me.So comfortable.I'm.a nurse on my feet al day.Walk my dog in them for 1/2 hour. I now have 5 pairs!
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Reviewed in the United States on May 29, 2026