Skip to content DAC (Direct Attach Copper Cable) is irreplaceable in the field of short-distance (less than 7meter) high-speed interconnection due to its four major advantages: ultra-low latency, zero-configuration deployment, cost savings, and high reliability.
DAC cable is high speed direct attach copper cable assembly with SFP transceiver’s interfaces at both sides, but without laser or electronic components, therefore it can only transmit electrical signals, not optical signals. However, it is irreplaceable in the field of short-distance high-speed interconnection due to its advantages: ultra-low latency, zero-configuration deployment, cost savings, and high reliability.
DAC cables are mainly used in the following fields:
Yingda is a Chinese direct attach cable manufacturer integrating R&D, production and sales. It is committed to providing customers with stable quality. No matter how the market changes, quality is always the first priority. Yingda DAC cable are compliance with QSFP DD MSA and SFF-8636, SFF-8402 standards, and IEEE 802.3bj and Infiniband EDR specifications.
With long-term stable supply chain support and mature cost control, Yingda share the extra benefits with customers and promise to provide customers with the best quality and most competitive price and services, so that customers can stand out from many competitors.
100G link cost is only 1/5 of the optical solution
Passive DAC power consumption≈0, 100,000 cables save $500,000+ in electricity bills per year
0.13μs latency meets the nanosecond requirements of finance/HPC
No driver or configuration required, deployment efficiency increased by 5 times
The smaller the AWG number, the thicker the corresponding cable diameter, and the longer the transmission distance. Below are recommendations for commonly used transmission distances and their corresponding wire diameters:
✅When using Intel network cards, if choosing a 3-meter twinax SFP cable, a 26AWG thick cable is required; otherwise, unstable connections may occur. For lengths less than 3 meters, a 30AWG thin cable can be used.
✅When interconnecting with Cisco switches, a 5-meter length of 30AWG thin cable can be used. This is because Cisco incorporates sufficient compensation design in its switch chips, significantly reducing the cost.
Item | Interface | Min. Bend Radius | Cable Length | Cable Type |
10G SFP+ DAC 0.5M | SFP+ to SFP+ | 23mm | 0.5m | 30AWG |
10G SFP+ DAC 1M | SFP+ to SFP+ | 23mm | 1m | 30AWG |
10G SFP+ DAC 2M | SFP+ to SFP+ | 23mm | 2m | 30AWG |
10G SFP+ DAC 3M | SFP+ to SFP+ | 23mm | 3m | 30AWG |
10G SFP+ DAC 5M | SFP+ to SFP+ | 30mm | 5m | 24AWG |
10G SFP+ DAC7M | SFP+ to SFP+ | 30mm | 7m | 24AWG |
25G SFP28 DAC 1M | SFP28 to SFP28 | 21.25mm | 1m | 30AWG |
25G SFP28 DAC 2M | SFP28 to SFP28 | 21.25mm | 2m | 30AWG |
25G SFP28 DAC 3M | SFP28 to SFP28 | 21.25mm | 3m | 30AWG |
25G SFP28 DAC 5M | SFP28 to SFP28 | 21.25mm | 5m | 26AWG |
40G QSFP+ DAC 1M | QSFP+ to QSFP+ | 35mm | 1m | 30AWG |
40G QSFP+ DAC 2M | QSFP+ to QSFP+ | 35mm | 2m | 30AWG |
40G QSFP+ DAC 3M | QSFP+ to QSFP+ | 35mm | 3m | 30AWG |
40G QSFP+ DAC 5M | QSFP+ to QSFP+ | 40mm | 5m | 26AWG |
40G QSFP+ DAC 7M | QSFP+ to QSFP+ | 47.5mm | 7m | 26AWG |
40G to 4x10G QSFP+ DAC 1M | QSFP+ to 4x SFP+ | 21mm | 1m | 30AWG |
40G to 4x10G QSFP+ DAC 2M | QSFP+ to 4x SFP+ | 21mm | 2m | 30AWG |
40G to 4x10G QSFP+ DAC 3M | QSFP+ to 4x SFP+ | 21mm | 3m | 30AWG |
40G to 4x10G QSFP+ DAC 5M | QSFP+ to 4x SFP+ | 26mm | 5m | 26AWG |
40G to 4x10G QSFP+ DAC 7M | QSFP+ to 4x SFP+ | 30mm | 7m | 26AWG |
100G QSFP28 DAC 1M | QSFP28 to QSFP28 | 46mm | 1m | 30AWG |
100G QSFP28 DAC 2M | QSFP28 to QSFP28 | 46mm | 2m | 30AWG |
100G QSFP28 DAC 3M | QSFP28 to QSFP28 | 46mm | 3m | 30AWG |
100G QSFP28 DAC 5M | QSFP28 to QSFP28 | 46mm | 5m | 26AWG |
100G to 4x25G QSFP28 DAC 1M | QSFP28 to 4x SFP28 | 60mm | 1m | 30AWG |
100G to 4x25G QSFP28 DAC 2M | QSFP28 to 4x SFP28 | 60mm | 2m | 30AWG |
100G to 4x25G QSFP28 DAC 3M | QSFP28 to 4x SFP28 | 60mm | 3m | 30AWG |
100G to 4x25G QSFP28 DAC 5M | QSFP28 to 4x SFP28 | 76mm | 5m | 26AWG |
With over 15 years of experience in active optical cable, passive direct attach cable, Yingda are proficient in creating high-quality fiber optic connectors and supporting products to meet various fiber access and fiber optic system upgrade solutions. Here are the reasons why we stand out:
DAC cable now is in hot selling, but with skilled workers and large productivity, our delivery is fast.
Yingda are original DAC cable manufacturer, factory direct price ensure higher profit for you.
Please talk with our sales representatives by mail:sales@yingdapc.cn, wechat:sopw168, whatsapp:8618688982406, after confirm the order, will share PI and packing list for you. We can ship with your forwarder or ours to your warehouse, rest assured.
1310nm and 1550nm optical module have different loss and dispersion, transmission distance are differ a lot. Please choose as per your need.
There are two networking in computing center: IB protocol, Ethernet protocol
400G and 800G ACO cables was shipped in batches starting in 2024 with double assurance:
Immersion type from 10G to 400G is mass-produced already, whether single mode or multi mode. Pure immersion type multi-mode is more common, because multi-mode is more widely used in big data integration and computing power data centers. Immersion type liquid-cooled optical modules are more suitable for small clusters with large capacity. 10G, 25G, 40G, 100G, 200G, 400G.
Yingda has 13 years of professional optical module research and development, and has 130 compatibility testing equipment and a complete compatibility database to meet diverse needs. It is compatible with different brands of equipment such as Minos, NVIDIA CX6 and CX7 network cards.
800G QSFP DD optical transceivers are mainly used in domestic Huawei, H3C, Ruijie 800G switches, or deepseek all-in-one machines. It has perfect technology, and the test is carried out with DVC all-in-one machine.
High productivity efficiency, skilled front-line operators and strict production control ensure timely delivery.
High-precision testing equipment and top industry quality control system ensure high quality standards.
Long-term stable supply chain and cost control that changes in line with market trends ensure the best price
Sorry that there’s no information that interests you. Please fill in the feedback form so that we can improve.
