3-year warranty Long term maintenance
Technical Support Professional free technical guidance
100% detection Each module is 100% tested
Spot stock Always in stock, short delivery time
| Form Factor | Part No. | Fiber Type | Data Rate | Cable | Distance | Wire Gauge | Temperature | Note |
|---|---|---|---|---|---|---|---|---|
| 1.6T QSFP-DD to 1.6T QSFP-DD Flat to Flat | CLQD16-QD16CU-1 | Copper | 1600G IB XDR | Cable | 1M | 26 AWG | Com./Ind. | Datasheet |
| 1.6T QSFP-DD to 2x800G QSFP-DD Flat to Flat | CLQD16-2xQD8CU-1 | Copper | 1600G / 800G IB XDR | Cable | 1M | 26 AWG | Com./Ind. | Datasheet |
| 800G QSFP-DD to 800G QSFP-DD Flat to Flat | CLQD8-QD8CU-1-XD | Copper | 800G IB XDR | Cable | 1M | 26 AWG | Com./Ind. | Datasheet |
| 1.6T OSFP to 1.6T OSFP Flat to Flat (RHS) | CLOP16-OP16CU-1-R | Copper | 1600G IB XDR | Cable | 1M | 26 AWG | Com./Ind. | Datasheet |
| 1.6T OSFP to 2x800G OSFP Flat to Flat (RHS) | CLOP16-2xOP8CU-1-R | Copper | 1600G / 800G IB XDR | Cable | 1M | 26 AWG | Com./Ind. | Datasheet |
| 800G OSFP to 800G OSFP Flat to Flat (RHS) | CLOP8-OP8CU-1-XD-R | Copper | 800G IB XDR | Cable | 1M | 26 AWG | Com./Ind. | Datasheet |
| 1.6T OSFP to 1.6T OSFP Finned to Finned (IHS) | CLOP16-OP16CU-1-I | Copper | 1600G IB XDR | Cable | 1M | 26 AWG | Com./Ind. | Datasheet |
| 1.6T OSFP to 2x800G OSFP Finned to Finned (IHS) | CLOP16-2xOP8CU-1-I | Copper | 1600G / 800G IB XDR | Cable | 1M | 26 AWG | Com./Ind. | Datasheet |
| 800G OSFP to 800G OSFP Finned to Finned (IHS) | CLOP8-OP8CU-1-XD-I | Copper | 800G IB XDR | Cable | 1M | 26 AWG | Com./Ind. | Datasheet |
| 800G QSFP224 to 800G QSFP224 Flat to Flat | CLQ224-Q224-1-XD | Copper | 800G IB XDR | Cable | 1M | 26 AWG | Com./Ind. | Datasheet |
The C-LIGHT 1.6T DAC Direct Attach Copper Cable is a high-speed passive copper interconnect solution designed for next-generation data centers, AI/GPU clusters, high-performance computing (HPC), and storage networks. Supporting InfiniBand XDR at 1600G and 800G, the product family provides low-latency, low-power, and cost-effective short-reach connectivity between compatible high-speed ports. Available configurations include QSFP-DD, OSFP, and QSFP224 interfaces, with straight-through and breakout designs for different port layouts. All listed assemblies feature a 1-meter cable length, 26 AWG copper conductors, and commercial or industrial temperature options.
The product family supports 1600G and 800G InfiniBand XDR connectivity for high-bandwidth interconnections in AI computing, HPC, and next-generation data center networks.
The direct attach copper architecture provides a short-reach interconnect solution with low latency and low power consumption, without requiring separate optical transceivers.
Multiple connector form factors support different host platforms, port configurations, and system integration requirements.
Available configurations include 1.6T-to-1.6T, 1.6T-to-2x800G, and 800G-to-800G connections for flexible high-speed port interconnection.
Flat-to-Flat, Flat-to-Flat (RHS), and Finned-to-Finned (IHS) configurations provide different mechanical profiles for chassis, cooling, and port-layout requirements.
All listed models use a 1-meter, 26 AWG copper cable assembly for compact, short-reach connections inside high-density computing and networking systems.
Direct Attach Copper (DAC) Cable
1600G and 800G InfiniBand XDR, depending on model
QSFP-DD, OSFP, and QSFP224
Copper cable assembly
1 meter for all listed models
26 AWG
1.6T-to-1.6T, 1.6T-to-2x800G, and 800G-to-800G
Flat-to-Flat, Flat-to-Flat (RHS), and Finned-to-Finned (IHS)
Commercial and industrial options
100% product testing
3-year warranty
Product compatibility guidance and technical support
This 1.6T QSFP-DD-to-QSFP-DD DAC cable provides a straight-through connection between two 1600G InfiniBand XDR ports. It uses a 1-meter, 26 AWG copper assembly in a Flat-to-Flat configuration.
This 1.6T QSFP-DD-to-2x800G QSFP-DD breakout DAC connects a 1600G interface to two 800G interfaces. It supports flexible high-bandwidth interconnection across compatible host platforms.
This 800G QSFP-DD-to-QSFP-DD DAC cable provides a direct connection between two 800G InfiniBand XDR ports using a 1-meter, 26 AWG copper assembly.
This 1.6T OSFP-to-OSFP DAC cable uses a Flat-to-Flat (RHS) design for connecting two 1600G InfiniBand XDR ports. The 1-meter copper assembly supports high-density short-reach interconnection.
This 1.6T OSFP-to-2x800G OSFP breakout cable uses a Flat-to-Flat (RHS) design to connect one 1600G port to two 800G ports.
This 800G OSFP-to-OSFP DAC cable uses a Flat-to-Flat (RHS) design for direct 800G InfiniBand XDR connectivity between compatible OSFP interfaces.
This 1.6T OSFP-to-OSFP DAC cable features a Finned-to-Finned (IHS) mechanical configuration for compatible 1600G InfiniBand XDR platforms.
This 1.6T OSFP-to-2x800G OSFP breakout cable features a Finned-to-Finned (IHS) design for systems requiring one 1600G connection to branch into two 800G connections.
This 800G OSFP-to-OSFP DAC cable uses a Finned-to-Finned (IHS) design for short-reach 800G InfiniBand XDR connectivity.
This 800G QSFP224-to-QSFP224 DAC cable provides a direct connection between compatible 800G InfiniBand XDR ports. Its 1-meter, 26 AWG copper assembly is designed for short-reach connectivity in high-density computing and networking systems.
The QSFP224 form factor offers an additional connector option within the 800G DAC family for host platforms designed around compatible QSFP224 ports.
Straight-through DAC configurations connect two compatible 1600G ports, providing direct copper connectivity between high-speed network interfaces.
Breakout configurations connect one 1600G interface to two 800G interfaces, supporting system architectures that require different port bandwidth groupings.
Dedicated 800G DAC assemblies connect compatible 800G ports across QSFP-DD, OSFP, or QSFP224 interfaces, depending on the selected model.
Flat-to-Flat assemblies provide a consistent mechanical profile for compatible QSFP-DD and OSFP cable connections.
The RHS-design OSFP cable variants provide a specific mechanical profile for host systems designed around this OSFP configuration.
The IHS-design OSFP cable variants use a finned mechanical profile for compatible system and thermal-layout requirements.
Provides short-reach, high-bandwidth copper connections between compatible high-speed ports in AI computing systems and GPU clusters.
The 1600G and 800G connection options support low-latency interconnection within HPC systems requiring high data throughput.
Direct attach copper assemblies provide a practical short-reach interconnect option for high-density data center switching and computing equipment.
The product family supports high-bandwidth copper connectivity for compatible storage systems and associated data center infrastructure.
The 1-meter cable length is suitable for short connections between equipment installed within the same rack or nearby rack positions, subject to the link design.
The 1.6T-to-2x800G variants support compatible systems that require a single high-speed interface to connect with two 800G interfaces.
The C-LIGHT 1.6T DAC Cable family provides direct copper interconnection options for 1600G and 800G InfiniBand XDR systems. With QSFP-DD, OSFP, and QSFP224 interfaces, straight-through and breakout configurations, multiple OSFP mechanical profiles, and standardized 1-meter, 26 AWG assemblies, the series supports different port layouts and short-reach connection requirements in AI/GPU clusters, HPC systems, data centers, and storage networks.
The product family includes 1600G and 800G InfiniBand XDR cable configurations, depending on the selected model.
The listed product range includes QSFP-DD, OSFP, and QSFP224 interfaces.
The series includes 1.6T-to-2x800G breakout assemblies, enabling one compatible 1600G interface to connect to two compatible 800G interfaces.
All listed assemblies use a 1-meter cable length and 26 AWG copper conductors.
The product series provides Flat-to-Flat (RHS) and Finned-to-Finned (IHS) mechanical designs to match different compatible OSFP port and system layouts.
Yes. The listed models are available with commercial and industrial temperature options, depending on the selected product configuration.
Designed for high-speed AI, HPC, and data center interconnects, the C-LIGHT 1.6T DAC family provides 1600G and 800G InfiniBand XDR connectivity, QSFP-DD/OSFP/QSFP224 options, 1.6T-to-2x800G breakout configurations, and 1-meter, 26 AWG copper assemblies.
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