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Description
QSFP28-4SFP28-CU-2.5M H3C® Compatible Direct Attach Copper Breakout Cable 100GBase-CU QSFP28 to 4x25GBase-CU SFP28 (Passive Twinax, 2.5m)QSFP28 4SFP28 CU 2. 5M H3C Compatible Direct Attach Copper Breakout Cable 100GBase CU QSFP28 to 4x25GBase CU SFP28 (Passive Twinax, 2. 5m) ATGBICS H3C Compatible QSFP28 4SFP28 CU 2. 5M 100GBase CU QSFP28 to 4 SFP28 Passive Direct Attach Cable operates over Passive Copper with a cable length of 2. 5m. This product operates within a commercial temperature range. It is suitable for short reach connection between 100G QSFP28 and 25G SFP28 enabled host
QSFP28-4SFP28-CU-2.5M H3C® Compatible Direct Attach Copper Breakout Cable 100GBase-CU QSFP28 to 4x25GBase-CU SFP28 (Passive Twinax, 2.5m)
ATGBICS H3C® Compatible QSFP28-4SFP28-CU-2.5M 100GBase-CU QSFP28 to 4 SFP28 Passive Direct Attach Cable operates over Passive Copper with a cable length of 2.5m. This product operates within a commercial temperature range. It is suitable for short reach connection between 100G QSFP28 and 25G SFP28 enabled host adapters, switches, and servers in 100G interconnecting networking applications and provides a cost-efficient way to connect hardware within close proximity racks. This breakout cable connects to 1 x 100G QSFP28 port on one end and to 4 x 25G SFP28 ports on the other end.
Our product meets the specification of H3C®QSFP28-4SFP28-CU-2.5M 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.
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4.4 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Simple. Effective. Good value
Item Package Quantity: 1, Style: 240 Count (Pack of 1)
So I prefer chewable that dissolve easily but these are have a slower process. The flavor is mild and pleasing. You can chew them but the texture is more like aspirin I let them melt away and within an hour or so get drowsy. I feel a clean effect from these the dosage 2.5 is good and I dream well with this product that for me is usually the test of how effective it is so A for this one!
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Reviewed in the United States on July 8, 2023
★★★★★ 5
Works well - how fast depends on the person taking it so timing when it's taken is important.
Item Package Quantity: 1, Style: 240 Count (Pack of 1)
This helps both of my kids get to sleep more easily at night. My oldest has ADHD and HAS to have melatonin to calm his mind enough to actually rest and sleep. My youngest who is 4 1/2 also needs a little help and always has. My cousins husband is a sleep scientist and I guess he has said that it's best to not give it any earlier than 1-2 hours before bed. However, I will say that for my oldest it takes about an hour to work so that is fine. For my youngest it takes only 15 minutes and then he is absolutely groggy and can't even finish dinner. So I HAVE to wait until 15 minutes before bed for my youngest. I will say that I notice my youngest gets a little cranky when he takes it but that could be just from pure exhaustion all of a sudden and the irritability for being so fatigued so quickly. Again, we just managed that by giving it to him only 15 minutes before its time for bed. Seems to work well.
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Reviewed in the United States on October 9, 2016
★★★★★ 4
Gets me to sleep but I don't care for the taste..
Item Package Quantity: 1, Style: 240 Count (Pack of 1), Item Package Quantity: 1, Style: 240 Count (Pack of 1)
Some nights I have a very hard time getting to sleep. I have an even harder time staying asleep. I've tried many sleeping products so had to add this one to the list in my quest to find the best.
When I want to go to bed I take this about 30-45 minutes beforehand. It takes about that long for it to start making me sleepy enough to try and sleep. It's not perfect by any means but it does work. I'm able to fall asleep much easier with it than without it. It's not great for helping me stay asleep though. I start waking up every hour (which is my "normal") after about 3-4 hours of sleep. I suppose I could take more at that time but I don't want to overdo it.
My teenage son will take it once in a great while if he's having a hard time sleeping and for him it works great. He's able to get to sleep and stay asleep until morning.
I don't care too much for the taste, but my son likes it. Overall I do like this Melatonin and don't expect miracles from it with it being an over-the-counter sleeping aid. I'll continue to purchase more when I run out unless I ever find anything that works better.
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Reviewed in the United States on April 30, 2016
★★★★★ 5
The best
Item Package Quantity: 1, Style: 240 Count (Pack of 1)
I buy these for my child who has autism and will not go to sleep on his own.. They aren't too strong, and they're easy to chew. They also like the flavor. Within about 20 minutes without any devices or distractions, he's asleep and most nights doesn't wake up again so the sleep is sound.. The amount you get for the price is so worth it. I used to buy it in stores and it was about the same price for half the lozenges. Great deal here and they also work. I wish they did offer more flavors, but the orange is good. Will definitely be purchasing again.
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Reviewed in the United States on January 20, 2021
★★★★★ 5
Safe, natural and effective
Item Package Quantity: 1, Style: 240 Count (Pack of 1)
Fantastic, natural, effective and fast-acting. This is the 12th time I am purchasing this melatonin.
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Reviewed in the United States on June 2, 2025
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