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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
R8M55A HPE® Compatible Direct Attach Copper Breakout Cable 400GBase-CU QSFP-DD to 4x100GBase-CU QSFP28 (Passive Twinax, 1m)R8M55A HPE Compatible Direct Attach Copper Breakout Cable 400GBase CU QSFP DD to 4x100GBase CU QSFP28 (Passive Twinax, 1m) ATGBICS HPE Compatible R8M55A 400GBase CU QSFP DD to 4 QSFP28 Passive Direct Attach Cable operates over Passive Copper with a cable length of 1m. This product operates within a commercial temperature range. It is suitable for short reach connection between 400G QSFP DD and 100G QSFP28 enabled host adapters, switches, and servers
R8M55A HPE® Compatible Direct Attach Copper Breakout Cable 400GBase-CU QSFP-DD to 4x100GBase-CU QSFP28 (Passive Twinax, 1m)
ATGBICS HPE® Compatible R8M55A 400GBase-CU QSFP-DD to 4 QSFP28 Passive Direct Attach Cable operates over Passive Copper with a cable length of 1m. This product operates within a commercial temperature range. It is suitable for short reach connection between 400G QSFP-DD and 100G QSFP28 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 QSFP-DD port on one end and to 4 x 100G QSFP28 ports on the other end.
Our product meets the specification of HPE®R8M55A 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
4.1 ★★★★★
Based on 165 reviews
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Product Reviews
★★★★★ 5
Excellent sport sock!
Size: One Size, Color: (100) White / White / Halo Gray
Molds onto foot, super soft and breathable. A lot of my ankle socks tend to slip or cut off blood circulation. This one literally is a perfect fit. No slip. After playing hours of tennis every week, my feet don't feel sore or bruised. Must buy!
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Reviewed in the United States on October 9, 2025
★★★★★ 5
Comfort!
Size: One Size, Color: (100) White / White / Halo Gray
Very comfortable! Thinner than the picture shows, but I like the fact that they are no show but still higher in the back and front to protect my heels and such.
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Reviewed in the United States on September 6, 2025
★★★★★ 1
Sizing way off
Size: One Size, Color: (100) White / White / Halo Gray
These were my favorite socks, at least the old style was. They redid them and I was okay with it. However, I don't understand how they are a one size fits most. I tried them on and they were still too big at the top. There was so much extra fabric at the toes. For reference, I wear a size 8.5 women's shoe, typically. The packaging says fits most from size 5.5 to 12. I don't understand how it fits that wide range of shoe size. Definitely returning these and I will be buying something else.
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Reviewed in the United States on October 10, 2024
★★★★★ 5
Genial
Size: One Size, Color: (015) Tetra Gray / Gray Matter / White Quartz
Me encanta la textura y sobre todo que tiene para que siempre sepas en cuál pies va!
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Reviewed in the United States on August 29, 2025
★★★★★ 5
Comfortable
Size: One Size, Color: (348) Silica Green / White / Titan Gray
Comfortable and stays in place
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Reviewed in the United States on May 27, 2025