• Silver-colored arista H-D400-4Q100-1M sfp+ transceiver modules with blue handles and metallic connectors for 400g active DAC
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Arista

Arista OSFP-400G-SR8-Arista | 400G OSFP SR8 Transceiver, 850nm, 100m MMF, MPO-16

OSFP-400G-SR8-Arista

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Description

The Arista OSFP-400G-SR8 is a 400GBASE-SR8 OSFP transceiver designed for high-speed data centre connectivity. Operating at 850nm wavelength over multi-mode fibre, it supports up to 100m on OM4 fibre with an MPO-16 APC connector. Compliant with IEEE 802.3cm and OSFP MSA standards, this module delivers 425Gbps throughput using 8 optical channels at 50Gb/s each with PAM4 modulation, and supports breakout configurations including 2x 200G-SR4 and 8x 50G-SR.

Features

Eight parallel optical channels operating at 50Gbps each using PAM4 modulation
- Hot-swappable OSFP form factor with tool-free installation
- Compliant with OSFP MSA and IEEE 802.3cm 400GBASE-SR8 standards
- Support for 400GAUI-8 electrical interface (8x 50G PAM4 lanes)
- Software-configurable breakout to 2x 200G-SR4 or 8x 50G-SR links
- Digital Diagnostics Monitoring (DOM) for real-time performance tracking
- MPO-16 APC connector for secure, low-loss fibre connection
- Laser Class 1 safety certification for operational safety
- 12W maximum power consumption with efficient thermal management
- RoHS-6 compliant for environmental responsibility
- Optimized for high-density 400G data centre leaf-spine architectures
- Compatible with standard OM3/OM4/OM5 multi-mode fibre infrastructure

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

Form Factor: OSFP (Octal Small Form-factor Pluggable)
- Data Rate: 400Gbps (8x 50Gbps per channel)
- Wavelength: 850nm VCSEL
- Maximum Reach: 100m over OM4 multi-mode fibre, 50m over OM3
- Connector: MPO-16 APC (16-fibre, 8 Tx + 8 Rx)
- Modulation: PAM4 (Pulse Amplitude Modulation)
- Standards Compliance: IEEE 802.3cm 400GBASE-SR8, OSFP MSA, 400GAUI-8
- Power Consumption: 12W maximum
- Digital Diagnostics Monitoring (DOM): Supported
- Operating Temperature: 0°C to 70°C (commercial grade)
- Breakout Support: 2x 200G-SR4, 8x 50G-SR, 8x 25G-SR (depending on configuration)
- Safety: Laser Class 1 compliant (IEC 60825-1, FDA 21 CFR 1040.10)

FAQs

Q: What fibre types are compatible with this transceiver?
A: The OSFP-400G-SR8 supports OM3 multi-mode fibre up to 50m and OM4/OM5 multi-mode fibre up to 100m. It requires an MPO-16 APC connector with 8 transmit and 8 receive fibres arranged in parallel.

Q: Can this module be configured for lower-speed breakout connections?
A: Yes, the OSFP-400G-SR8 supports breakout configurations including 2x 200G-SR4 and 8x 50G-SR or 8x 25G-SR, providing flexibility for various data centre connectivity scenarios. Configuration is managed through compatible Arista switches with OSFP ports.

Q: Is this transceiver compatible with QSFP-DD SR8 modules?
A: While both use the SR8 optical standard, OSFP and QSFP-DD are different form factors. You cannot directly interchange them, but both provide 400G SR8 connectivity and can interoperate optically over the same fibre infrastructure using appropriate patch panels.

Q: What Arista switches support this OSFP transceiver?
A: The OSFP-400G-SR8 is designed for Arista 400G switches with OSFP ports, such as the 7060PX4 series. Always verify compatibility with your specific switch model and EOS software version through Arista's transceiver compatibility guide.

Q: Does this module support Digital Diagnostics Monitoring?
A: Yes, the OSFP-400G-SR8 includes Digital Optical Monitoring (DOM) support, providing real-time access to operating parameters including transmit/receive power, temperature, voltage, and laser bias current for proactive network monitoring and troubleshooting.

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