100G QSFP28 Direct Attach Copper Cable 26AWG Passive 3M

The 100G QSFP28 Direct Attach Copper Cable is a 3-meter, 26AWG passive solution for short-reach 100G interconnects. Plug-and-play, low-latency, and compact, it is ideal for data centers, HPC clusters, and enterprise networks, with OEM/ODM customization available.

SKU DAC-100GQSFP28-P3 Category
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The 100G QSFP28 Direct Attach Copper (DAC) Cable is designed for ultra-high-speed, short-reach interconnects in data centers, high-performance computing clusters, and enterprise networks. With a 3-meter length and 26AWG copper construction, this passive DAC cable provides reliable 100G connectivity between QSFP28 ports, delivering low-latency and high-bandwidth performance.

As a passive, plug-and-play solution, the cable requires no external power or configuration, allowing for immediate deployment and stable operation. Its compact and flexible design reduces cable bulk, improves airflow, and supports organized rack layouts, making it ideal for high-density networking applications.

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Model No.Custom (3M passive DAC)
Connector AQSFP28
Connector BQSFP28
Cable TypePassive DAC
Wire Gauge26AWG Copper
Length3 meters
Data Rate4×25.8Gbps full-duplex (100G total)
ComplianceQSFP28 MSA | IEEE 802.3bj / 802.3bm
ApplicationsHPC | Data Centers | Enterprise Core/Distribution
RoHS/CEYes
OEM/ODMSupported
  • 100G QSFP28 passive DAC cable

  • 26AWG copper construction for reliable high-speed transmission

  • 3-meter length for short-reach interconnects

  • Plug-and-play design, no external power required

  • Low-latency and energy-efficient performance

  • Compact and flexible for improved airflow and organized cabling

  • OEM/ODM customization available

  • Data center switch-to-switch or server interconnects

  • High-performance computing clusters

  • Enterprise backbone network links

  • Storage area networks (SAN) and high-speed aggregation links

  • Short-reach 100G interconnects in racks and cabinets

  • Telecom and enterprise networking environments

Customize DAC & AOC High-Speed Cable Solution

Cable Type Passive DAC / Active DAC (ACC) / Active Optical Cable (AOC)
Form Factor SFP+ / SFP28 / QSFP+ / QSFP28 / QSFP56 / QSFP-DD / OSFP
Data Rate 10G / 25G / 40G / 50G / 100G / 200G / 400G / 800G
Cable Length 0.5m–15m (DAC) / 1m–100m (AOC)
Transmission Medium Twinax Copper / Multimode Optical Fiber
Connector Compatibility Cisco / NVIDIA / Arista / Juniper / Dell / HPE / Generic Compatible
Jacket Type PVC / LSZH
EEPROM Coding OEM Compatible Programming Available
Operating Temperature Commercial / Industrial Grade

Q1: What is the supported data rate of this cable?
A: It supports 100G transmission between QSFP28 ports.

Q2: Does this cable require external power?
A: No, as a passive DAC cable, it is plug-and-play and requires no external power.

Q3: What is the cable length?
A: This model comes in a 3-meter length. Custom lengths are available via OEM/ODM services.

Q4: What is 26AWG?
A: 26AWG refers to the wire gauge, indicating a copper conductor suitable for stable 100G short-reach connections.

Q5: Can this cable be used for long distances?
A: Passive DAC cables are intended for short-reach applications; longer distances require active DAC or optical transceivers.

Q6: Is customization available?
A: Yes, FiberMania supports OEM/ODM customization including cable length, labeling, packaging, and branding.