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by Arista
Product Line: Arista AOC-Q-Q-40G-20M Active Optical Cable (AOC)
Product Type: Optical Cable
Original price $0.00 - Original price $233.00
Original price
$0.00 - $233.00
Current price $233.00
Title: Surplus

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Product Description

The AOC-Q-Q-40G-20M is a 40GBase QSFP+ to QSFP+ active optical cable designed for high-speed data transmission with a wavelength of 850nm and utilizes multimode fiber over a length of 20m. It supports a transmission data rate of up to 11.3Gbit/s per channel, enabled by reliable VCSEL array technology, and is compatible with 40G InfiniBand 8x DDR, 4x QDR, and 40Gigabit Ethernet IEEE802 standards. This cable is designed for low power consumption of <1.5W, operates within a temperature range of 0°C to +70°C, and is RoHS 6 compliant, featuring a hot-pluggable QSFP form factor for easy installation.

Key Feature for the AOC-Q-Q-40G-20M

  • What is the wavelength and fiber type used in the 40GBase QSFP+ to QSFP+ active optical cable?
    The cable uses a wavelength of 850nm and operates over multimode fiber.
  • Can the QSFP+ active optical cable support 40Gigabit Ethernet IEEE802?
    Yes, the cable supports 40Gigabit Ethernet IEEE802, as well as 40G InfiniBand 8x DDR and 4x QDR.
  • What are the data transmission rates for each channel in this active optical cable?
    Each channel supports a transmission data rate of up to 11.3Gbit/s.
  • What technology ensures the reliability of this QSFP+ active optical cable?
    The cable uses reliable VCSEL array technology in conjunction with multimode fiber.
  • What range of lengths is the QSFP+ active optical cable available in?
    It is available in lengths of 3, 5, 10, 15, 20, 30, 50, and 100 meters.
  • What are the power consumption and operating temperature range for this cable?
    The cable has a low power consumption of less than 1.5W and an operating case temperature range of 0°C to +70°C.
  • What electrical specifications does the QSFP+ active optical cable adhere to?
    It requires a 3.3V power supply voltage, with supply voltage limits of -0.3V to 3.6V and input voltage limits of -0.3V to Vcc+0.3V.
  • Is the QSFP+ active optical cable compliant with environmental standards?
    Yes, it is RoHS 6 compliant, indicating adherence to restricted hazardous substances standards.
  • What form factor does this active optical cable utilize, and how does it enhance its performance?
    It uses a hot-pluggable QSFP form factor, enabling high performance and low power consumption for long reach interconnect solutions.
  • What are the storage and operational environmental conditions recommended for this cable?
    The recommended storage temperature ranges from -40°C to 85°C, with a relative humidity range (non-condensing) of 0% to 85%. The operating case temperature should be maintained between 0°C to 70°C.

Product Review

The Arista AOC-Q-Q-40G-20M offers a high-performance interconnect solution, supporting 40Gigabit Ethernet and InfiniBand protocols with a transmission rate of up to 11.3 Gbit/s per channel over a 20m length, which is suitable for a variety of data center applications. However, its reliance on multimode fiber may limit its use in environments requiring longer distance coverage or single-mode fiber compatibility. Additionally, its low power consumption (<1.5W) and broad operating temperature range (0°C to +70°C) make it an energy-efficient choice for high-density networking environments, though the upper limit of the operating temperature could be restrictive in hotter climates or densely packed installations without adequate cooling.


The Arista AOC-Q-Q-40G-20M is a high-performance active optical cable designed for high-speed data transmissions, making it a critical component in modern data centers and high-performance computing environments. This cable is specifically engineered for compatibility with 40GBase QSFP+ to QSFP+ ports, ensuring seamless connectivity for a wide range of networking hardware. At the core of its design, the AOC-Q-Q-40G-20M utilizes a wavelength of 850nm and operates over multimode fiber, supporting a cable length of up to 20 meters. This length is optimal for interconnecting networking equipment across racks or within data center environments without the need for signal amplification or repeaters, thereby simplifying the network infrastructure and reducing potential points of failure. The cable is built to support not only 40Gigabit Ethernet IEEE802 standards but also 40G InfiniBand 8x DDR and 4x QDR, offering versatility across different networking protocols. This makes it an ideal solution for diverse environments, from enterprise data centers to high-demand computing applications. Key to its performance are the four channels of full-duplex active optical cable, each capable of a transmission data rate up to 11.3Gbit/s. This results in a total data throughput of up to 40Gbit/s, facilitating efficient and high-speed data transfer. The integration of reliable VCSEL array technology with multimode fiber ensures high-quality signal transmission over the entire length of the cable. Below are some of the hardware specifications that highlight the cable's capabilities and compliance standards: - Low power consumption, less than 1.5W, minimizing the operational costs and heat generation in data centers. - Hot Pluggable QSFP form factor, allowing for easy installation and maintenance without disrupting the network. - RoHS 6 compliant, ensuring adherence to strict environmental and safety standards. In terms of environmental and electrical specifications, the AOC-Q-Q-40G-20M is designed to operate within a broad range of conditions. It has an operating case temperature range from 0°C to +70°C, making it suitable for most data center environments. The power supply voltage is set at 3.3V, with a storage temperature range from -40°C up to 85°C and relative humidity tolerance from 0% to 85% (non-condensing), ensuring reliability and longevity even in varying conditions. Furthermore, the cable is available in standard lengths ranging from 3m to 100m, providing flexibility for different deployment scenarios. Its design emphasizes not just performance but also durability and reliability, with specified voltage and temperature ranges ensuring stable operation across diverse environments. In summary, the Arista AOC-Q-Q-40G-20M active optical cable is a versatile, high-speed interconnect solution that meets the demands of modern data centers and computing networks. Its support for multiple data rates and protocols, combined with low power consumption and high reliability, makes it an essential component for efficient, high-performance networking.


Item NumberArista AOC-Q-Q-40G-20M
CompatibilityQSFP+ to QSFP+ 40GBase active optical cable
Emission Wavelength850 nanometers
Cable TypeMultimode fiber, 20 meters length
Supported Protocols40Gb InfiniBand 8x DDR, 4x QDR, 40Gb Ethernet IEEE 802.3
Cable DesignQuad-channel, bidirectional optical cable with active circuitry
Channel Data RateUp to 11.3 Gbps per channel
TechnologyVCSEL array over multimode fiber optics
Length OptionsAvailable in lengths of 3m, 5m, 10m, 15m, 20m, 30m, 50m, 100m
Power UsageLess than 1.5 Watts
Operational Temperature RangeFrom 0°C to +70°C
Power Supply Requirement3.3 Volts
Environmental ComplianceMeets RoHS 6 standards
ConnectivityHot-swappable QSFP interface
FeaturesHigh-speed, energy-efficient, extended-distance interconnect
Lane ConfigurationConsists of four bidirectional lanes
Storage Temperature Range-40°C to +85°C
Humidity Tolerance0% to 85%, non-condensing
Min Supply Voltage-0.3 Volts
Max Supply Voltage3.6 Volts
Input Voltage Range-0.3 Volts to Vcc + 0.3 Volts

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