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Arista

Arista QSFP-100G-SR4-Arista | 100G QSFP28 Transceiver, 850nm, 100m MMF, MPO

QSFP-100G-SR4-Arista

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Description

The Arista QSFP-100G-SR4 is a 100GBASE-SR4 QSFP28 optical transceiver designed for high-speed data centre interconnects over multimode fibre. Operating at 850nm with an MPO/MTP connector, it delivers 100Gbps throughput up to 70m over OM3 or 100m over OM4 fibre. Ideal for spine-leaf architectures, high-performance computing clusters, and enterprise campus aggregation layers requiring parallel multimode fibre infrastructure.

Features

Four independent 25Gbps optical lanes for 100Gbps aggregate throughput
- Hot-pluggable QSFP28 form factor for easy installation and maintenance
- 850nm VCSEL laser array for efficient multimode transmission
- MPO-12/MTP parallel optics connector for high-density cabling
- Low power consumption optimised for data centre scale deployments
- Digital Diagnostics Monitoring (DDM) for real-time optical parameter visibility
- Compliant with QSFP28 MSA and IEEE 802.3 100GBASE-SR4 standards
- RoHS compliant for environmental compliance
- Supports link lengths up to 100m over OM4 multimode fibre
- Compatible with standard MPO breakout cables for 4x25G connectivity

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: QSFP28 (Quad Small Form-factor Pluggable)
- Data Rate: 100Gbps (4 x 25Gbps lanes)
- Wavelength: 850nm VCSEL
- Connector Type: MPO-12 / MTP
- Fiber Type: Multimode Fiber (MMF)
- Reach: Up to 70m over OM3, up to 100m over OM4
- Standard: IEEE 802.3 100GBASE-SR4 compliant
- Power Consumption: < 3.5W typical
- Digital Diagnostics: DOM/DDM supported
- Operating Temperature: 0°C to 70°C (commercial)
- Compliance: QSFP28 MSA, RoHS

FAQs

Q: What is the maximum transmission distance for the QSFP-100G-SR4?
A: The QSFP-100G-SR4 supports up to 70 metres over OM3 multimode fibre and up to 100 metres over OM4 multimode fibre, making it suitable for intra-rack and short-range data centre interconnects.

Q: Can this transceiver be used in breakout configurations?
A: Yes, the QSFP-100G-SR4 can be used with MPO breakout cables to split the 100G connection into 4x25G links, enabling flexible connectivity to 25G devices or switch ports.

Q: Is the QSFP-100G-SR4 compatible with non-Arista equipment?
A: The module is designed to Arista specifications but follows the IEEE 802.3 100GBASE-SR4 standard and QSFP28 MSA. Compatibility with third-party equipment should be verified, as coding and digital diagnostics may vary by vendor.

Q: Does this transceiver support digital optical monitoring?
A: Yes, the QSFP-100G-SR4 includes Digital Diagnostics Monitoring (DDM/DOM), providing real-time reporting of optical power, temperature, voltage, and transmit bias current for proactive network management.

Q: What type of fibre cable is required for this transceiver?
A: The QSFP-100G-SR4 requires a 12-fibre MPO/MTP multimode ribbon cable. For optimal performance and maximum reach, OM4 or OM5 fibre is recommended, though OM3 is also supported with reduced distance.

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