Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
DAC-QSFP56-4xQSFP56-3M Universally Coded MSA Compatible Direct Attach Copper Breakout Cable 400GBase PAM4 QSFP56 to 4x100GBase PAM4 QSFP56 (Passive Twinax, 3m)DAC QSFP56 4xQSFP56 3M Universally Coded MSA Compatible Direct Attach Copper Breakout Cable 400GBase PAM4 QSFP56 to 4x100GBase PAM4 QSFP56 (Passive Twinax, 3m)561768 ATGBICS Universally Coded MSA Compatible DAC QSFP56 4xQSFP56 3M 400GBase CU QSFP56 to 4 QSFP56 Passive Direct Attach Cable operates over Passive Copper with a cable length of 3m. This product operates within a commercial temperature range. It is suitable for short reach connection between
DAC-QSFP56-4xQSFP56-3M Universally Coded MSA Compatible Direct Attach Copper Breakout Cable 400GBase PAM4 QSFP56 to 4x100GBase PAM4 QSFP56 (Passive Twinax, 3m)561768
ATGBICS Universally Coded MSA Compatible DAC-QSFP56-4xQSFP56-3M 400GBase-CU QSFP56 to 4 QSFP56 Passive Direct Attach Cable operates over Passive Copper with a cable length of 3m. This product operates within a commercial temperature range. It is suitable for short reach connection between 400G QSFP56 and 100G QSFP56 enabled host adapters, switches, and servers in 400G interconnecting networking applications and provides a cost-efficient way to connect hardware within close proximity racks. This breakout cable connects to 1 x 400G QSFP56 port on one end and to 4 x 100G QSFP56 ports on the other end.561768
Our product meets the specification of Universally Coded MSA DAC-QSFP56-4xQSFP56-3M 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
4.0 ★★★★★
Based on 1553 reviews
Sort
Product Reviews
★★★★★ 5
Finally sleeping through the night without waking up drenched
I was dealing with night sweats almost every night. Waking up overheated, flipping my pillow over constantly, just uncomfortable and restless. It was starting to mess with my sleep in a real way.
Since switching to this cooling pillowcase (and pairing it with a cooling blanket), it’s been a completely different experience. I’m actually staying cool through the night and not waking up soaked or irritated.
The fabric feels cool to the touch right away and doesn’t trap heat like a regular pillowcase. It’s smooth, comfortable, and still feels good after washing. Not stiff or weird like some “cooling” materials can be.
Is it magic? No. But does it noticeably reduce overheating and help you sleep better? Absolutely.
If you run hot at night or deal with night sweats, this is one of those small upgrades that makes a big difference. I wish I had bought it sooner.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
★★★★★ 5
so far so good
I was surprised at this pair of pillow cases only because the material seemed impossible to be cooling - it's that weird polyester blend. So far I have not awoken feeling sweaty around my face and scalp. I don't recall what I originally paid but I think it is great value for money! If you are sensitive to out of the box smell, I washed mine first and it didn't impede on the efficacy of the cooling!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
★★★★★ 5
It’s like sleeping on a beach in San Vito lo Capo
Italian voice:
I’m a big meaty fella so I put off a lot of heat ya hear. These pillow cases have changed my life. One moment they’re hot and the next you flip them and you’re blasted with a blast of ice cool what it feels like to chew 5 gum feeling capeesh. I would reccomend these pillow cases to even my grandma. If ya wanta get a rest so good that it feels like ya been sleeping with the fishes get these pillow cases, they’re the real deal. Then stop at Pauline’s joint and grab a slice of pizza say Vinnie sent ya. Anyways I gotta go my wife’s cooking up a mean lasgna and we’re gonna watch the dodgers. Let me know how these treat ya I guarantee they will change your life. Vinnie out
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
★★★★★ 4
Soft "cooling" case.
Yes it is very cool when you lay on it. It doesn't stay cold though. Within a minute or 2 to whatever your temp is.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 25, 2025
★★★★★ 5
Great for hair and skin. Great buy.
These pillow cases are great for my hair and skin. They look good, hold up well in the washer and dryer, and the price is great. They are cooling. Of course I wish they could be more cooling, but honestly I'm not sure that's even possible. Great pillow cases. Already bought more for other heads. Would buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026