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3m AOC performs reliably under continuous 40G load.
QSFP-H40G-AOC3M=
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3M 40GBASE ACTIVE OPTICAL CABLE
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Name:
QSFP-H40G-AOC3M=
- Description:
- 3M 40GBASE ACTIVE OPTICAL CABLE
- Rating:
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- Brand:
- Cisco
- GTIN:
- 757120667759
- Condition:
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QSFP-H40G-AOC3M= Overview
QSFP-H40G-AOC3M= is a QSFP transceiver module engineered for 40G data rate applications. This active optical cable solution features a QSFP form factor with integrated transceivers at each end and is designed to deliver high-speed Ethernet connectivity over a 3-meter short-range transmission distance using multimode fiber technology.
Optimized for modern data centers, enterprise networks, and telecom environments, QSFP-H40G-AOC3M= meets the demands of high-performance computing and scalable network interconnects while conforming to industry-standard physical dimensions and operating conditions.
QSFP-H40G-AOC3M= price is is available on request. Get immediate quote.
Request bulk order quote for QSFP-H40G-AOC3M= for additional pricing. Browse the full 40G Base Modules series or explore all Cisco products.
QSFP-H40G-AOC3M= Specifications
- Product Type
- Transceiver
- Form Factor
- QSFP
- Data Rate
- 40G
- Connector Type
- QSFP
- Wavelength
- N/A
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 3 m
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- N/A
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- QSFP-H40G-AOC3M=
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
QSFP-H40G-AOC3M= Use Case
Hyperscale Data Center Leaf-Spine Uplink
In hyperscale cloud environments, network architects deploy the QSFP-H40G-AOC3M=-3M 40GBASE Active Optical Cable to link leaf and spine switches across racks. This 3 m, 40 Gbps AOC delivers sub-microsecond latency, reduces power draw by up to 40%, and streamlines cable management—ensuring scalable, energy-efficient performance for mission-critical services.
High-Performance Computing Cluster Interconnect
Research and engineering teams use the QSFP-H40G-AOC3M=-3M in GPU-accelerated HPC clusters to achieve node-to-node data transfers at 40 Gbps with minimal jitter. The 3 m 40GBASE Active Optical Cable boosts AI/ML training throughput by up to 30%, maintains signal integrity under heavy loads, and reduces rack heat density for reliable, uninterrupted compute performance.
Ultra-Low Latency Financial Trading Backbone
In high-frequency trading data centers, firms integrate the QSFP-H40G-AOC3M=-3M 40GBASE Active Optical Cable to connect trading servers and switches within cage environments. Its precise 3 m length and EMI-free design deliver deterministic sub-0.5 µs latency, supporting rapid order execution, consistent performance, and compliance with stringent financial regulations.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| QSFP-H40G-AOC3M= |  QSFP-40G-LR4 |  QSFP-4X10G-AOC3M |  QSFP-H40G-AOC7M= |  QSFP-4X10G-AOC1M | |
|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | N/A | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | QSFP | LC | QSFP | MPO | MPO |
| Data Rate | 40G | 40G | 40G (4x10G) | 40G | 40G |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Fiber Type | Multi-mode | Single-mode | Multi-mode | N/A | Multi-mode |
| Form Factor | QSFP | QSFP | QSFP | QSFP | QSFP |
| Height | N/A | N/A | N/A | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | N/A | 3.3V | 3.3V |
| Max Distance | 3 m | 10 km | 3 m | 7m | 1 meter |
| Network Interface | Fiber | Fiber | Ethernet | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | 4.0 W | N/A | N/A | N/A |
| Product Name | QSFP-H40G-AOC3M= | QSFP-40G-LR4 | QSFP-4X10G-AOC3M | QSFP-H40G-AOC7M= | QSFP-4X10G-AOC1M |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Short-Range | Long-Range | Short-Range | Short-Range | Short-Range |
| Wavelength | N/A | 1310 nm | 850 nm | N/A | 850nm |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
K
Kevin Howard
4
Flexible routing in racks without signal loss.
B
Brian Stewart
4
Good fit for medium-range optical runs.
J
Jason Bennett
4
Easy to install with no configuration needed.
M
Mark Lewis
5
Durable cable for enterprise networks.
Questions & Answers
What is the QSFP-H40G-AOC3M=?
The QSFP-H40G-AOC3M= is a 3-meter 40GBASE active optical cable with integrated QSFP+ transceivers, designed for high-performance interconnects in data centers and enterprise networks.
What data transmission rate does the 3M 40GBASE active optical cable support?
The 3M 40GBASE active optical cable delivers a full duplex 40 Gbps data rate (4×10 Gbps lanes) for ultra-low-latency, high-bandwidth applications.
Which fiber type and connectors are used on the QSFP-H40G-AOC3M=?
This cable uses multimode fiber with MPO-to-MPO connectors and an 850 nm VCSEL light source for optimal performance in short-reach links.
What is the maximum reach of the QSFP-H40G-AOC3M=?
The QSFP-H40G-AOC3M= supports reliable data transmission over distances up to 3 meters in typical data center environments.
Which devices and platforms are compatible with the QSFP-H40G-AOC3M=?
The QSFP-H40G-AOC3M= is compatible with any QSFP+-equipped switch, router, server or HBA following the IEEE 802.3ba and SFF-8436 specifications.
What is the operating wavelength of the active optical cable?
The cable operates at an 850 nm wavelength, leveraging VCSEL technology for efficient multimode fiber transmission.
What is the operating temperature range for the QSFP-H40G-AOC3M=?
The QSFP-H40G-AOC3M= functions reliably in ambient temperatures from 0 °C to 70 °C (32 °F to 158 °F).
How much power does the 3M 40GBASE AOC consume?
The QSFP-H40G-AOC3M= consumes less than 1 W of power, minimizing thermal load in high-density racks.
Is the QSFP-H40G-AOC3M= hot-pluggable?
Yes, the QSFP-H40G-AOC3M= supports hot-plug insertion and removal, enabling serviceability without system downtime.
What are common use cases for the 3M 40GBASE active optical cable?
Typical applications include spine-leaf data center architectures, server-to-switch interconnects, high-performance computing clusters and storage area networks.
Which industry standards and certifications does the cable meet?
This cable complies with IEEE 802.3ba 40GbE, SFF-8436, RoHS and meets stringent Cisco system compatibility requirements.
What is the minimum bend radius for the QSFP-H40G-AOC3M=?
The QSFP-H40G-AOC3M= requires a minimum static bend radius of 30 mm to maintain optimal signal integrity.
How do I install the QSFP-H40G-AOC3M=?
Simply align and insert the MPO connectors into QSFP+ ports until the latch clicks; no additional drivers or configuration are required.
How can I verify the authenticity of my QSFP-H40G-AOC3M=?
Check for the Cisco holographic label, confirm the exact SKU QSFP-H40G-AOC3M= and validate compatibility on Cisco’s official interoperability matrix.
What kind of warranty covers the QSFP-H40G-AOC3M=?
The QSFP-H40G-AOC3M= is backed by Cisco’s standard one-year limited hardware warranty with optional extended support plans.
What is the typical latency introduced by the 3M 40GBASE AOC?
Latency is typically under 1 µs end-to-end, ensuring negligible impact on time-sensitive data exchanges.