40G QSFP+ to 4×10G SFP+ Direct Attach Breakout Cable 30AWG Passive 10m

The 40G QSFP+ to 4×10G SFP+ Direct Attach Breakout Cable is a 10-meter, 30AWG passive solution for high-density, short-reach interconnects. It provides stable, low-latency connections and compact, plug-and-play installation, with OEM/ODM customization available.

SKU DAC-QSFP-10G4SFP-P10 Category
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The 40G QSFP+ to 4×10G SFP+ Direct Attach Breakout Cable (DAC) is designed for high-speed, short-reach interconnects in data centers, enterprise networks, and telecom environments. With a 10-meter length and 30AWG copper construction, this passive DAC cable provides reliable connectivity between a 40G QSFP+ port and four 10G SFP+ ports, enabling efficient breakout of high-bandwidth links.

This cable supports plug-and-play operation, requiring no external power or configuration. Its passive design ensures low latency and energy-efficient transmission, while the breakout structure allows a single 40G uplink to connect to multiple 10G downstream devices. The compact form factor reduces cable bulk and improves airflow, simplifying rack organization.

Ideal for high-density networking, server interconnects, and switch-to-switch connections, this breakout DAC cable maintains stable optical performance and minimizes insertion loss. FiberMania also offers OEM/ODM customization, including custom lengths, labeling, and packaging to suit specific deployment requirements.

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SKU Cable Type Data Rate Form Factor A Form Factor B Wire Type Length
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Product TypeQSFP+ to 4×SFP+ Breakout DAC
Connector A1× QSFP+
Connector B4× SFP+
Cable TypePassive Copper Cable
Wire Gauge30AWG
Length10 meters
Data Rate40Gbps → 4×10Gbps
ComplianceSFF-8436 / SFF-8431
Protocol SupportEthernet | Fibre Channel | InfiniBand SDR/DDR
Operating Temp0°C to 70°C
RoHS/CEYes
  • 40G QSFP+ to 4×10G SFP+ passive DAC breakout cable

  • 30AWG copper construction for reliable high-speed transmission

  • 10-meter length for medium-range interconnects

  • Breaks out a single 40G link into four 10G connections

  • Low-latency, energy-efficient, and plug-and-play design

  • Compact and flexible for improved airflow and cable management

  • OEM/ODM customizable for lengths, labeling, and packaging

  • High-density data centers and server racks

  • Switch-to-switch and switch-to-server connectivity

  • Enterprise network aggregation and uplinks

  • Short-reach backbone and storage network connections

  • FTTH, FTTx, and high-speed enterprise environments

FiberMania offers OEM and ODM services for breakout DAC cables, including custom cable lengths, labeling, packaging, and branding to meet project-specific or network requirements.

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 function of this breakout DAC cable?
A: It splits a single 40G QSFP+ link into four 10G SFP+ connections for high-density networking.

Q2: Does it require external power?
A: No, as a passive DAC cable, it is plug-and-play without any external power.

Q3: What is the cable length?
A: This model comes in a 10-meter length. Custom lengths are available via OEM/ODM services.

Q4: What is 30AWG?
A: 30AWG refers to the wire gauge, indicating a thin and flexible copper conductor suitable for short-reach high-speed links.

Q5: Can it be used for long-distance connections?
A: Passive DAC breakout cables are intended for short-reach applications; longer distances may require active DAC or optical transceivers.

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