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.
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Description
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Specification
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Features
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Application
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Custom Service
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FAQ
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.
Featured DAC & AOC Cable Solutions
| SKU | Cable Type | Data Rate | Form Factor A | Form Factor B | Wire Type | Length |
| AOC-100GQSFP28-5 | AOC | 100G | QSFP28 | QSFP28 | OM4 Fiber Cable | 5M |
| AOC-10GSFP-10 | AOC | 10G | SFP+ | SFP+ | OM4 Fiber Cable | 10M |
| AOC-25GSFP28-3 | AOC | 25G | SFP28 | SFP28 | OM4 Fiber Cable | 3M |
| AOC-40GQSFP-10 | AOC | 40G | QSFP+ | QSFP+ | OM3 Fiber Cable | 10M |
| AOC-QSFP-10G4SFP-5 | AOC | 40G | QSFP+ | 4*SFP+ | OM3 Fiber Cable | 5M |
| AOC-QSFP28-4SFP28-3 | AOC | 100G | QSFP28 | 4×SFP28 | OM3 Fiber Cable | 3M |
| DAC-100GQSFP28-25G4SFP28-P5 | DAC | 100G | QSFP28 | 4×SFP28 | 24AWG | 5M |
| DAC-100GQSFP28-P3 | DAC | 100G | QSFP28 | QSFP28 | 26AWG | 3M |
| DAC-10GCX4-P05 | DAC | 10G | CX4 | CX4 | 28AWG | 3M |
| DAC-10GSFP-P10 | DAC | 10G | SFP+ | SFP+ | 24AWG | 10M |
| DAC-10GSFP-XFP-A10 | DAC | 10G | SFP+ | XFP | 24AWG | 10M |
| DAC-400GQSFP-P5 | DAC | 400G | QSFP-DD | QSFP-DD | 30AWG | 5M |
| DAC-40GQSFP-P07 | DAC | 40G | QSFP+ | QSFP+ | 28AWG | 7M |
| DAC-QSFP-10G4SFP-P03 | DAC | 40G | QSFP+ | 4 * SFP+ | 30AWG | 3M |
| DAC-SFP-P05 | DAC | 1.25G | SFP | SFP | 30AWG | 5M |
| Model No. | Custom (3M passive DAC) |
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| Connector A | QSFP28 |
| Connector B | QSFP28 |
| Cable Type | Passive DAC |
| Wire Gauge | 26AWG Copper |
| Length | 3 meters |
| Data Rate | 4×25.8Gbps full-duplex (100G total) |
| Compliance | QSFP28 MSA | IEEE 802.3bj / 802.3bm |
| Applications | HPC | Data Centers | Enterprise Core/Distribution |
| RoHS/CE | Yes |
| OEM/ODM | Supported |
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100G QSFP28 passive DAC cable
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26AWG copper construction for reliable high-speed transmission
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3-meter length for short-reach interconnects
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Plug-and-play design, no external power required
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Low-latency and energy-efficient performance
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Compact and flexible for improved airflow and organized cabling
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OEM/ODM customization available
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Data center switch-to-switch or server interconnects
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High-performance computing clusters
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Enterprise backbone network links
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Storage area networks (SAN) and high-speed aggregation links
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Short-reach 100G interconnects in racks and cabinets
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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.
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