Arista Compatible QDD-400G-SR8 QSFP-DD Module

# Key Highlights
  • Type: 400GBASE-SR8 QSFP-DD
  • Compatibility: Arista Compatible
  • Tx/Rx Wavelength: 850nm
  • Laser: VSCEL
  • Modulation: PAM4
  • Fiber Type: Multi-Mode Fiber (MMF)
  • Connectors: MTP/MPO-16
  • Optical Budget: 1.9dB
  • Max. Distance: 100m over OM5
  • Data Rate: 425 Gbps
  • FEC Forward Error Correction: Supported
  • DDM/DOM: Supported
  • Power Consumption: ≤ 10W
  • Temperature: Standard 0° – 70°C
# Pricing & Ordering
SKU: 400G-QSFP-DD-100-AR


Standard recommended retail price without VAT.

Lead Time: Below 1 Week in EU Countries
# Quality Assurance

Because of our comprehensive Testing Program, we are confident on quality of our products. Such approach empower us to cover all our products with:

# Key Technical Data
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# Product Documentation
Multi-Vendor MSA Compatible 400G-QSFP-DD-100 Datasheet

Arista Compatible QDD-400G-SR8 QSFP-DD Module is based on our product 400G-QSFP-DD-100. When You will order it will be encoded to be compatible with Arista equipment and it will be labeled with part number: 400G-QSFP-DD-100-AR, where AR means Arista Compatible. Above You can download data-sheet of our 400G-QSFP-DD-100 product.

# Product Description

QDD-400G-SR8 is a Arista Compatible QSFP-DD (Quad Small Form-Factor Pluggable – Double Density) Transceiver designed for operation over Multi-Mode Fiber (MMF) optical cable. On the transmission side module converts 8x 50G PAM4 (Pulse-Amplitude Modulation) electrical input channels (each 53.125Gbps) into 8x independent PAM4 optical signal with baud rate of 53.125 Gbps. Module has minimum guaranteed optical budget of 1.9 dB, which in most cases is enough to reach 100 m distance over OM5 multi-mode fiber. However, distance is just indicative parameter for comfort of identification that is calculated by taking into account minimal optical budget and average attenuation of optical cabling in industry. Compatible QDD-400G-SR8 uses top quality VCSEL (Vertical Cavity Surface Emitting Laser) (850 nm) transmitter and 400Gb/s PIN photodiode receiver. QDD-400G-SR8 compatible supports DDM/DOM optical diagnostics that provide real-time diagnostic information about the present operating conditions. Compatible QDD-400G-SR8 operates in Standard 0°-70°C temperature range and has MTP/MPO-16 interface.

Arista compatible QDD-400G-SR8 QSFP-DD support up to 425 Gbps data rate and is designed for 400G Ethernet application. Compatible QDD-400G-SR8 QSFP-DD Double Fiber optical transceiver is multi-purpose module used in number of different places of today’s networking. Consequently, most popular use cases are in Internet Service Provider (ISP), Mobile Operator and Data Center Core Networks.

To ensure compatibility we have tested compatible QDD-400G-SR8 Transceiver in latest platforms of Arista networking equipment, which allows us to encode transceiver EEPROM memory to be compatible and work seamlessly with Arista platforms. Transceiver is fully compliant to QSFP-DD Multi Source Agreement (MSA), CMIS 4.0, IEEE 802.3bs 400 Gbps specification and 400GBASE-SR8, as defined in IEEE802.3cm and module breaks out to 8 x 50G-SR, as defined in IEEE 802.3cd. Transceiver is CE/RoHS certified and is compliant with product safety standards. We will be glad to know your requirements – Contact Us.