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DAC Cables – Direct Attach Copper Cables

SVNK Direct Attach Cables (DAC) – High-Speed Copper Interconnect Technology

SVNK Direct Attach Cables (DAC) are high-speed, cost-efficient copper interconnect solutions engineered as a powerful alternative to optical transceivers and fiber-optic cabling for 10G, 40G, 100G, 200G, 400G, 800G, and emerging 1.6T network applications. Designed specifically for short-reach environments, SVNK DACs deliver ultra-low latency, high signal integrity, and reliable performance for within-rack and adjacent-rack connections in modern data centers.

SVNK DAC technology is built on precision twinax copper cabling, advanced high-frequency conductors, and optimized shielding structures that support multi-lane, high-speed electrical signaling. Each assembly is carefully engineered to control impedance, minimize insertion loss, suppress crosstalk, and reduce return loss, ensuring clean signal transmission even at extreme data rates. Advanced dielectric materials and multi-layer shielding architectures provide superior protection against electromagnetic interference (EMI) and external noise.

For higher-speed variants, SVNK DAC solutions incorporate integrated signal conditioning and equalization technologies to compensate for attenuation, skew, and high-frequency distortion inherent in copper media. This enables stable, low-error transmission while maintaining exceptionally low power consumption compared to optical alternatives.

SVNK DAC cables are optimized for high-density switch and server environments, supporting tight bend radii, improved airflow, and simplified cable management. Their plug-and-play design eliminates the need for separate optical modules, reducing both capital expenditure and operational complexity while enabling flexible network architectures and faster deployment cycles.

From a system perspective, SVNK DAC assemblies help maximize port density, thermal efficiency, and total cost of ownership (TCO). Their low power draw and minimal heat generation make them especially well suited for top-of-rack (ToR), end-of-row (EoR), and leaf-spine architectures deployed in enterprise, cloud, AI, and hyperscale infrastructures.

Every SVNK DAC cable undergoes rigorous validation including signal-integrity analysis, eye-diagram testing, bit-error-rate (BER) verification, thermal cycling, and mechanical reliability assessments. This ensures long-term stability, durability, and compliance with global networking standards.

SVNK offers a full range of brand-compatible and OEM DAC solutions, fully interoperable with leading networking platforms including NVIDIA, Cisco, Finisar, Juniper, Arista, Dell, HPE, Extreme Networks, Brocade, Mellanox, H3C, Intel, IBM, Nokia, Ciena, Huawei, and Ixia, enabling seamless integration into multi-vendor network environments.

Engineered for reliability, ultra-low latency, and effortless deployment, SVNK Direct Attach Cables deliver stable, high-performance copper connectivity for enterprise networks, telecom infrastructures, and hyperscale data centers seeking scalable, cost-optimized interconnect solutions.

 

Model: SVNK-SFP28-25G-DAC
SVNK 25G SFP28 Direct Attach Copper (DAC) Cable The SVNK 25G SFP28 DAC cable is a high-performance, cost-effective copper interconnect solution designed for short-reach 25G Ethernet and InfiniBand EDR applications. Constructed with precision twinax copper cables and factory-terminated fixed SF..
$10.34
Ex Tax:$10.34
Model: SVNK-QSFP-40G-DAC
SVNK 40G QSFP+ Direct Attach Copper (DAC) Cable The SVNK 40G QSFP+ DAC cable is a high-performance, cost-effective copper interconnect solution designed to provide reliable 40Gb/s connectivity between network devices equipped with QSFP+ ports. Optimized for short-reach applications, this passi..
$13.47
Ex Tax:$13.47
Model: SVNK-QSFP-SFP-40G-DAC
SVNK 40G QSFP+ to 4×10G SFP+/XFP Breakout DAC Cable The SVNK 40G QSFP+ Breakout Direct Attach Copper (DAC) cable is a cost-effective, low-power interconnect solution designed to break out a single 40G QSFP+ port into four independent 10G ports. It is available in configurations of QSFP+ to 4×S..
$22.77
Ex Tax:$22.77
Model: SVNK-QSFP28-100G-DAC
SVNK 100G QSFP28 Direct Attach Copper (DAC) Cable The SVNK 100G QSFP28 Direct Attach Copper (DAC) cable is a high-performance, cost-effective QSFP28-to-QSFP28 copper interconnect solution designed for 100GBASE-CR4 Ethernet and InfiniBand applications. Optimized for very short-reach connectivit..
$20.80
Ex Tax:$20.80
Model: SVNK-QSFP28-SFP28-100G-DAC
SVNK 100G QSFP28 to 4×25G SFP28 Passive Direct Attach Copper (DAC) Cable The SVNK 100G QSFP28 to 4×25G SFP28 Passive Copper Cable (PCC)—also known as a Direct Attach Copper (DAC) or Twinax cable—is a high-performance, cost-effective interconnect solution designed to provide reliable connectiv..
$28.71
Ex Tax:$28.71
Model: SVNK-QSFP56-200G-DAC
SVNK 200G QSFP56 Passive Direct Attach Copper (DAC) Cable The SVNK 200G QSFP56 Passive DAC cable is a high-performance, cost-effective copper interconnect solution engineered for 200 Gigabit Ethernet and InfiniBand EDR short-reach applications. Designed for ultra-high-speed connectivity within..
$39.78
Ex Tax:$39.78
Model: SVNK-QSFP56-QSFP28-200G-DAC
SVNK 200G QSFP-DD Breakout Passive Direct Attach Copper (DAC) Cables The SVNK 200G QSFP-DD Breakout DAC cable series provides high-speed, cost-effective copper interconnect solutions designed to enable flexible 200G Ethernet port breakout architectures. These passive copper splitter cables su..
$58.57
Ex Tax:$58.57
Model: SVNK-QSFP56-SFP56-200G-DAC
SVNK 200G QSFP56 Breakout Passive Direct Attach Copper (DAC) Cables The SVNK 200G QSFP56 Breakout DAC cable series provides high-speed, cost-effective copper interconnect solutions designed to enable flexible 200G Ethernet and InfiniBand HDR port breakout architectures. These passive splitter..
$58.57
Ex Tax:$58.57
Model: SVNK-QSFPDD-400G-DAC
SVNK 400G QSFP-DD Passive Direct Attach Copper (DAC) Cable The SVNK 400G QSFP-DD DAC cable is a high-performance, short-reach copper interconnect solution engineered to support 400 Gigabit Ethernet links in next-generation data center and high-performance computing environments. Designed as a ..
$93.03
Ex Tax:$93.03
Model: SVNK-QSFPDD-QSFP28-400G-DAC
SVNK 400G QSFP-DD to 4×100G QSFP28 Passive Copper Breakout Cable (DAC / PCC) The SVNK 400G QSFP-DD to 4×100G QSFP28 Passive Copper Cable (PCC)—also known as a Direct Attach Copper (DAC) or Twinax breakout cable—is a high-performance, cost-effective interconnect solution designed to provide re..
$126.85
Ex Tax:$126.85
Model: SVNK-QSFPDD-SFP56-400G-DAC
SVNK 400G QSFP-DD to 8×50G SFP56 Passive Copper Cable (PCC / DAC) The SVNK 400G QSFP-DD to 8×50G SFP56 Passive Copper Cable (PCC)—also known as a Direct Attach Copper (DAC) or Twinax cable—is a high-performance, cost-effective interconnect solution designed for short-reach 400G Ethernet to 50..
$126.85
Ex Tax:$126.85
Model: SVNK-OSFP-400G-DAC
SVNK 400G OSFP Passive Direct Attach Copper (DAC) Cable The SVNK 400G OSFP DAC cable is a high-performance, short-reach copper interconnect solution engineered to support 400 Gigabit Ethernet links in next-generation data center and high-performance computing environments. Designed as a cost-e..
$72.44
Ex Tax:$72.44
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