100G QSFP28 to 4x25G SFP28 breakout AOC for high-density data center connectivity.
When scaling 100G spine switches to multiple 25G leaf nodes, traditional DACs often impose weight and bend radius limitations that complicate rack cabling. This active optical breakout cable resolves physical constraints while maintaining signal integrity across high-density deployments.
The QSFP28-4xSFP28-AOC-3m delivers 103Gb/s on the QSFP28 end and 25.78Gb/s per SFP28 lane, enabling seamless migration from 100G to 25G architectures. Its OM3 multimode fiber construction ensures reliable transmission over 3 meters, eliminating the bulk of copper alternatives and improving airflow in crowded server racks.
Ideal for HPC clusters and storage arrays requiring IEEE 802.3bm compliance, this cable serves as a lightweight drop-in replacement for DACs. The QSFP28-4xSFP28-AOC-3m optimizes data center interconnects with hot-pluggable interfaces and low power consumption.
Connects a single 100G QSFP28 port to four 25G SFP28 ports for flexible network architecture.
Uses 850nm VCSEL lasers and OM3 fiber for reliable 3m transmission with lighter weight than DAC.
Supports data rates up to 103Gb/s on QSFP28 and 25.78Gb/s per SFP28 lane.
Allows installation and removal without powering down equipment for easy maintenance.
Compatible with IEEE 802.3bm, IEEE 802.3by, and InfiniBand SDR/DDR/QDR standards.
Complete technical details for integration and deployment planning.
| Product Type | Breakout Active Optical Cable |
|---|---|
| Cable Length | 3m |
| Fiber Type | OM3 Multimode |
| Wavelength | 850nm |
| Transmitter Type | VCSEL Laser |
| Receiver Type | PIN |
| Connector A | QSFP28 (SFF-8436 Compliant) |
|---|---|
| Connector B | 4x SFP28 (SFF-8431 Compliant) |
| Data Rate (QSFP28) | 103Gb/s |
| Data Rate (SFP28) | 25.78Gb/s |
| Lanes | 4 Duplex Lanes |
| Protocol Support | IEEE 802.3bm 100GBASE-SR4, IEEE 802.3by 25GBASE-SR, InfiniBand SDR/DDR/QDR |
|---|
| Supply Voltage | +3.3V |
|---|---|
| Power Supply Voltage Range | 3.15V to 3.46V |
| Differential Input Impedance (QSFP28) | 90-110Ω |
| Differential Input Impedance (SFP28) | 100Ω |
| Operating Case Temperature | 0℃ to +70℃ |
|---|---|
| Storage Temperature | -20℃ to +85℃ |
| Relative Humidity | 0% to 85% (non-condensing) |
| Fiber Bend Radius | 30mm |
| Compliance | RoHS |
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