• Silver-colored arista osfp-800g-2vsr4 800g osfp transceiver modules with blue handles and metallic connectors
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Arista

Arista OSFP-800G-2VSR4 | 800G OSFP Transceiver, 2x 400G VSR4, Dual MPO-12, 50m MMF

Arista OSFP-800G-2VSR4 | 800G OSFP Transceiver, 2x 400G VSR4, Dual MPO-12, 50m MMF

OSFP-800G-2VSR4

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Description

The Arista OSFP-800G-2VSR4 is an 800G OSFP transceiver delivering dual 400GBASE-VSR4 channels over parallel multimode fibre, purpose-built for ultra-high-density data centre interconnects. Supporting link distances up to 50 metres over OM4 or OM5 parallel MMF, it uses dual MPO-12 APC connectors and is ideal for short-reach spine-to-leaf and top-of-rack deployments in 800G-capable Arista switching and routing platforms.

Designed for seamless integration with Arista's data centre portfolio, this OSFP module enables breakout configurations to 2x 400G or 8x 100G, providing exceptional flexibility for high-performance network scaling. Each channel operates at 400G using 8-lane 50G PAM4 modulation. Order now at iptrading.com.au — trusted by Australian IT professionals.

Features

- Dual 400GBASE-VSR4 channels in a single OSFP form factor for 800G aggregate throughput
- 16-lane PAM4 modulation (8 lanes per 400G channel) for high-efficiency short-reach optics
- Dual MPO-12 APC connectors minimise back-reflection for reliable high-speed links
- Up to 50m reach over parallel OM4/OM5 multimode fibre — ideal for data centre fabric
- Supports breakout to 2x 400G or 8x 100G for flexible port density scaling
- Designed for integration with Arista's 800G-capable switching and routing platforms
- Low-power OSFP design optimised for high-density 800G line card deployments

Warranty

Arista hardware products come with a 1-year limited hardware warranty, covering defects in materials and workmanship under normal use.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Arista products. Contact our team to explore options that align with your organisation's needs.
https://www.arista.com/assets/data/pdf/Warranty.pdf

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)
- Total aggregate data rate: 800G (2x 400GBASE-VSR4)
- Per-channel speed: 400G (8x 50G PAM4 lanes per channel)
- Connector type: Dual MPO-12 APC
- Fibre type: Parallel multimode fibre (MMF) — OM4 or OM5
- Maximum reach: Up to 50 metres
- Modulation: 50G PAM4 per lane
- Total lanes: 16 (8 Tx + 8 Rx per 400G channel)
- Wavelength: 850 nm VCSEL array (typical for VSR4)
- Compatible platforms: Arista 800G-capable switches and routers
- Breakout capability: 2x 400G or 8x 100G (platform dependent)

FAQs

Q: What does the VSR4 designation mean for this transceiver?
A: VSR4 (Very Short Reach 4) refers to a 400G optical standard using 8 lanes of 50G PAM4 modulation over parallel multimode fibre. This module includes two independent VSR4 channels, delivering a combined 800G throughput over dual MPO-12 APC connectors.

Q: What fibre type and maximum cable length are supported?
A: The OSFP-800G-2VSR4 is designed for parallel multimode fibre (OM4 or OM5) and supports link distances of up to 50 metres, making it suitable for intra-rack and short inter-rack data centre cabling.

Q: Can this transceiver be used for breakout configurations?
A: Yes. Depending on the Arista platform, the dual 400G channels can be used for breakout to 2x 400G or further to 8x 100G connections, providing significant flexibility for high-density port scaling.

Q: Which Arista platforms are compatible with the OSFP-800G-2VSR4?
A: This module is compatible with Arista switches and routers that feature OSFP ports and support 800G line rates. Consult Arista's compatibility matrix or contact IP Trading for confirmation with your specific platform.

Q: Why use dual MPO-12 APC connectors instead of MPO-12 UPC?
A: APC (Angled Physical Contact) connectors provide lower back-reflection compared to UPC connectors, which is beneficial in high-speed parallel optics environments to minimise signal interference and maintain optical integrity at 800G speeds.

Q: Can I purchase the OSFP-800G-2VSR4 in Australia through IP Trading?
A: Yes. IP Trading (iptrading.com.au) is a trusted Australian B2B IT hardware reseller stocking Arista transceivers and networking equipment. Contact us for pricing, lead times, and volume purchasing options.

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