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Description
DAC-Q56DD-400G-3M Dell® Compatible Direct Attach Copper Cable 400GBase-CU QSFP-DD (Passive Twinax, 3m)DAC Q56DD 400G 3M Dell Compatible Direct Attach Copper Cable 400GBase CU QSFP DD (Passive Twinax, 3m) ATGBICS Dell Compatible DAC Q56DD 400G 3M 400GBase CU QSFP DD to QSFP DD 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 two QSFP DD ports in 400G interconnecting networking applications. Our product meets
DAC-Q56DD-400G-3M Dell® Compatible Direct Attach Copper Cable 400GBase-CU QSFP-DD (Passive Twinax, 3m)
ATGBICS Dell® Compatible DAC-Q56DD-400G-3M 400GBase-CU QSFP-DD to QSFP-DD 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 two QSFP-DD ports in 400G interconnecting networking applications.
Our product meets the specification of Dell®DAC-Q56DD-400G-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
4.5 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 4
Pair with HyperX Keyboard Rest to complete the look!
Size: Mouse, Pattern Name: Mouse
Soft, comfortable, doesn't slide around, even on my XL mouse pad. Cool to touch which is nice.
After a year of use, fabric on top becomes slightly loose and bunches up when moving wrist around.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Well worth it
Size: Full Size, Pattern Name: Keyboard
Very comfortable and robust. This definitely looks and feels like a premium item. I had bought a few alternatives that were cheaper and they fell apart quickly. This one seems to have pretty resilient stitching and the fabric doesn’t bunch up which could cause a tear. The base has a non slip texture so it’s not going anywhere without some force. The cooling feel is a nice touch too.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Extremely Comfortable Wrist Rest
Size: Compact, Pattern Name: Keyboard, Size: Compact, Pattern Name: Keyboard
Hands down the best keyboard wrist rest! Fits perfectly with my HyperX Origins keyboard, almost like these products were made for each other! I really like the minimalist design of it and the quality does not suffer because of this. The memory foam is more comfortable than the memory foam on my bed, and the cooling gel stays cool no matter how long I'm using it. I have mine on a desk mat and it doesn't slip at all, it stays exactly where I need it which is great! Whether you're someone uses a computer for work all day or just a casual gamer, I highly recommend getting this wrist rest. It will change your life!
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Reviewed in the United States on February 21, 2026
★★★★★ 5
Comfortable and useful
Size: Full Size, Pattern Name: Keyboard
Amazing support for all day typing.
Comfortable, great length!
Functional, easy cleaning if needed!
Great value for money. Stays in place.
Just what I needed for my time in the office.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
The best wrist rest I've used.
Size: Compact, Pattern Name: Keyboard
It has just the right balance of firmness and softness. The cooling gel does keep it cool. It is durable. Its rubber grip holds it firmly on my desktop. If I need another one, I will purchase this product.
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Reviewed in the United States on May 27, 2026