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Arista

Arista OSFP-800G-VSR8-Arista | 800G OSFP Transceiver, VSR8, 850nm, 50m MMF, MPO-16

OSFP-800G-VSR8-Arista

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Description

The Arista OSFP-800G-VSR8 is an 800GBASE-VSR8 OSFP optical transceiver designed for high-speed data center interconnects supporting up to 50 meters over OM4 multimode fiber. Operating at 850nm with an MPO-16 APC connector, this module delivers 800Gbps throughput across 8 parallel optical channels using PAM4 modulation. Ideal for AI clusters, HPC, and high-bandwidth spine-leaf architectures requiring short-reach multimode connectivity with digital diagnostics monitoring.

Features

Native 800 Gigabit Ethernet transmission over multimode fiber
- 8-channel parallel optics with 100Gbps per lane PAM4 modulation
- MPO-16 APC connector for low insertion loss and back-reflection
- Digital diagnostics monitoring (DDM/DOM) for temperature, voltage, optical power, and bias current
- Hot-pluggable OSFP form factor with integrated heat sink for efficient thermal management
- Supports breakout to 2x 400G, 4x 200G, or 8x 100G configurations
- IEEE 802.3ck compliant for standards-based interoperability
- Low latency design optimized for AI/ML workloads and high-performance computing
- Forward Error Correction (FEC) support on host platform
- Compatible with air-cooled switch architectures
- Optical interoperability with 2x 400G-VSR4 modules
- RoHS compliant for environmental regulations

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 with integrated heat sink
- Data Rate: 800 Gigabit Ethernet (800GBASE-VSR8)
- Wavelength: 850nm VCSEL
- Connector Type: MPO-16 APC (male/pinned)
- Fiber Type: Multimode fiber (MMF) OM3/OM4
- Transmission Distance: Up to 30m on OM3, up to 50m on OM4
- Optical Channels: 8 parallel channels at 100Gbps per lane using PAM4
- Power Consumption: 16W typical
- Electrical Interface: 8x 100G PAM4 lanes (800GAUI-8)
- Standards Compliance: IEEE 802.3ck, OSFP MSA
- Operating Temperature: 0°C to 70°C
- Digital Diagnostics: DDM/DOM support for real-time monitoring
- Interoperability: Compatible with 2x 400G-VSR4 OSFP/QSFP-DD modules
- RoHS Compliant: Yes

FAQs

Q: What is the difference between VSR8 and the 2VSR4 variant?
A: The OSFP-800G-VSR8 uses a single MPO-16 APC connector with 8 parallel fiber pairs for 800G transmission, while the 2VSR4 variant uses dual MPO-12 connectors with twin-port architecture for 2x400G operation. VSR8 is designed for native 800G links, whereas 2VSR4 supports breakout to two independent 400G connections.

Q: Can this transceiver be used with QSFP-DD switches?
A: No, this OSFP form factor transceiver is physically incompatible with QSFP-DD ports. However, OSFP and QSFP-DD modules with the same media type (e.g., VSR8) can optically interoperate when connected via appropriate fiber infrastructure.

Q: What type of fiber cable is required for this module?
A: This module requires OM3 or OM4 multimode fiber with female (unpinned) MPO-16 APC connectors. The module port is male (pinned). For optimal performance and full 50m reach, OM4 fiber with minimum 4700 MHz·km modal bandwidth is recommended.

Q: Which Arista switches support this transceiver?
A: This transceiver is supported on Arista 7060X6 and 7060X5 Series 800G data center switches with OSFP ports, requiring EOS version 4.35.0 or later. Consult Arista's transceiver compatibility guide for specific platform support and airflow requirements.

Q: Does this module support breakout configurations?
A: Yes, the OSFP-800G-VSR8 can be configured for breakout modes including 2x 400GBASE-VSR4, 4x 200GBASE-VSR2, or 8x 100GBASE-VR1, providing deployment flexibility for mixed-speed environments and gradual migration to 800G infrastructure.

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