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Ask a questionCan these cables be used for GPU Direct RDMA communication?
by o***m on 2025-07-10 10:19:09
Absolutely. These InfiniBand cables support GPU Direct RDMA, enabling low-latency, high-throughput data transfers directly between GPUs across the fabric.
by Helpful on 2025-07-10 10:24:36
Helpful 0 
Comment 0What is the difference between HDR and NDR InfiniBand cables?
by G***m on 2025-07-10 10:11:19
HDR (High Data Rate) supports up to 200Gb/s per port, while NDR (Next Data Rate) can handle 400Gb/s. Both are used for high-performance computing, but NDR is designed for newer-generation systems requiring ultra-high bandwidth.
by Helpful on 2025-07-10 10:23:26
Helpful 0 Comment 0Do InfiniBand AOC cables support long-distance connections?
by 9***m on 2025-07-10 09:11:09
Yes, AOC (Active Optical Cables) support longer distances than DACs, typically up to 30 meters or more, while maintaining low latency and high bandwidth transmission.
by Helpful on 2025-07-10 10:26:18
Helpful 0 Comment 0Do these cables require special configuration after plugging in?
by 8***m on 2025-07-10 09:04:47
No special configuration is needed. The cables are hot-swappable and designed for plug-and-play operation in InfiniBand environments.
by Helpful on 2025-07-10 10:25:43
Helpful 0 Comment 0Are these InfiniBand DAC/AOC cables compatible with NVIDIA/Mellanox ConnectX NICs?
by X***m on 2025-07-10 08:44:29
Yes, our InfiniBand DAC and AOC cables are fully compatible with NVIDIA/Mellanox ConnectX-5, ConnectX-6, and ConnectX-7 NICs, as well as with NVIDIA Quantum and Spectrum switches.
by CPLIGHT on 2025-07-10 10:24:04
Helpful 0 Comment 0 Write a reviewWorked out of the box with ConnectX-6 NICs and Quantum switches. Auto-negotiation and link detection were flawless across all ports.
Helpful 0 Comment 0Running 24/7 in an AI training environment with zero errors so far. Excellent quality and heat management.
Helpful 0 Comment 0Compared to OEM versions, these cables offer the same performance at a significantly lower cost. Great for large-scale deployment.
Helpful 0 Comment 0We had tight routing paths between racks and these DACs were flexible enough for clean cable management without strain.
Helpful 0 Comment 0The connectors are solid, and the shielding is robust. No damage or signal degradation even after multiple insertions.
Helpful 0 Comment 0We used breakout versions (1x400G to 4x100G) to expand our interconnect fabric and they worked flawlessly.
Helpful 0 Comment 0We used these InfiniBand HDR DAC cables to link GPU servers in our HPC cluster. The latency and bandwidth were excellent — no packet loss even under full load.
Helpful 0 Comment 0Order arrived earlier than expected. All cables were individually tested and labeled, saving us time during rack installation.
Helpful 0 Comment 0Cables were clearly labeled and well packaged. Plug-and-play setup made our data center upgrade smooth and fast.
Helpful 0 Comment 0We deliver high-quality optical communication solutions with expertise in fiber optics, networking, and edge computing. Combining innovation, cost-efficiency, and expert support, we are a trusted industry partner.
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Address: No. 6885, Unit 1, Building 1, No. 33 Guangshun North Street, Chaoyang District, Beijing, China
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Customer service helped confirm the pinout for a custom breakout setup. Very knowledgeable and responsive team.