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header-product Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M, QSFP28–QSFP28, 1 m, black

Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M, QSFP28–QSFP28, 1 m, black

Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M Photo 1
Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M Photo 2
Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M Photo 3
Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M Photo 4
Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M Photo 5
Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M Photo 1
Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M Photo 2
Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M Photo 3
Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M Photo 4
Direct Attach Cable Lightwin LWO-DAC-QSFP28-1M Photo 5
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Short description

Lightwin LWO-DAC-QSFP28-1M is a 1 m direct attach copper (DAC) cable with QSFP28 connectors on both ends. Designed for InfiniBand and high-speed data interconnects, it provides a short-reach, low-latency link between QSFP28 ports in switches, servers or network equipment. Black jacket, plug-and-play connection for rack and data centre use.
Warranty: 2 Years
SKU: 11689482
Manufacturer: Lightwin
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Product information

Description

Lightwin LWO-DAC-QSFP28-1M is a 1 m direct attach copper (DAC) cable with QSFP28 connectors on both ends. It is intended for short-reach, low-latency connections between QSFP28 ports in switches, servers and other network equipment, providing a simple plug-and-play link for rack and data centre environments. The cable has a black jacket and is designed for high-speed interconnects such as InfiniBand and 100 Gbit/s Ethernet applications.

Advantages

The cable offers a fixed, low-latency copper connection that eliminates the need for transceivers, reducing power consumption and cost for short-distance links. Its QSFP28-to-QSFP28 configuration supports 100 Gbit/s speeds and is suitable for dense rack setups where reliable, direct port-to-port connectivity is required. The 1 m length and durable black jacket simplify installation and cable management in data centre racks.

Suitable for

  • Direct QSFP28 port-to-port connections in switches and servers
  • Short-reach high-speed links in rack and data centre environments
  • InfiniBand and 100 Gbit/s Ethernet interconnects

Key specifications

  • Cable type: Direct attach copper (DAC)
  • Connector type: QSFP28 to QSFP28
  • Length: 1 m
  • Maximum data rate: 100 Gbit/s
  • Jacket colour: Black

How to use

Insert each QSFP28 connector into the corresponding QSFP28 port on your switches, servers or other network devices until the connector latches. No additional transceivers or configuration are required for basic link establishment; the cable provides a plug-and-play physical connection. Ensure ports are compatible with DAC cables and check device documentation for any port-specific settings or firmware requirements.

Usage recommendations

Use the cable for short-distance connections within the same rack or adjacent racks. Avoid excessive bending or tensile stress on the cable and maintain proper airflow in rack environments. For distances beyond 1 m or where optical isolation is required, consider appropriate optical transceivers and fibre cables.

Specifications

Cable length:
1 m
Cable type:
DAC
Connector 1:
QSFP28
Connector 2:
QSFP28
Product colour:
Black
All features
Data transfer rate:
100 Gbit/s
Fiber mode structure:
Multi-mode

Features

Cable length:
1 m
Cable type:
DAC
Connector 1:
QSFP28
Connector 2:
QSFP28
Product colour:
Black
AWG wire size:
26/30
Ethernet interface type:
100 Gigabit Ethernet
Connector 1 gender:
Male
Connector 2 gender:
Male
Cable shape:
Round

Operational conditions

Operating temperature (T-T):
0 - 70

Packaging content

Quantity per pack:
1 pc(s)

Certificates

Compliance certificates:
RoHS

Description

Machine translation. Load original

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Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Lightwin products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Lightwin service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: cable length, cable type, connector 1, connector 2, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.