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Arista

Arista QSFP-100G-SR4-E-Arista | 100G SR4-E QSFP Transceiver, Low Latency, MPO-12

QSFP-100G-SR4-E-Arista

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Description

This Arista 100GBASE-SR4-Enhanced QSFP E-Series transceiver is built for short-reach, low-latency 100G links inside the data centre. It runs over parallel OM3 or OM4 multimode fibre with an MPO-12 UPC connector, making it a fit for latency-sensitive environments such as financial trading.

The E-Series variant operates at 850nm and can run without FEC for the lowest latency, reaching 30m on OM3 and 50m on OM4. With FEC enabled, reach extends to 70m on OM3 and 100m on OM4. Maximum power consumption is 3.5W, drawn from the host QSFP port, and the module uses the standard QSFP form factor.

It fits 100G QSFP ports on Arista switches and requires parallel multimode fibre terminated with MPO-12 UPC connectors. Refer to Arista's Transceiver and Cable Guide for platform-specific support.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- E-Series enhanced optics designed for low-latency applications
- Runs without FEC for lower latency at 30m (OM3) / 50m (OM4)
- Extends reach to 70m (OM3) / 100m (OM4) when FEC is enabled
- MPO-12 UPC parallel multimode interface
- Standard QSFP form factor for 100G ports
- Powered from the host QSFP port at up to 3.5W

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

- PHY type: 100GBASE-SR4-E (Enhanced)
- Form factor: QSFP
- Connector type: MPO-12 UPC
- Wavelength: 850 nm
- Cable type: OM3 / OM4 parallel multimode fibre
- Core size: 50.0 um (OM3 and OM4)
- Modal bandwidth: 2000 MHzkm (OM3) / 4700 MHzkm (OM4)
- Tx power: -4.5 to 2.4 dBm per lane
- Rx power without FEC: -5.9 to +2.4 dBm per lane
- Rx power with FEC: -10.3 to +2.4 dBm per lane
- Max reach without FEC: 30m (OM3) / 50m (OM4)
- Max reach with FEC: 70m (OM3) / 100m (OM4)
- Dimensions (H x W x D): 13.5 x 18.4 x 72.4 mm
- Power consumption (maximum): 3.5 W
- Operating case temperature: 0 to 70 C
- Storage temperature: -40 to 70 C
- Relative humidity: 5 to 95%
- Operating altitude: 0 to 10,000 ft

FAQs

Q: What is the difference between the E-Series SR4 and a standard 100G SR4?
A: The E-Series Enhanced version is aimed at low-latency links. It can run without FEC for 30m (OM3) / 50m (OM4), or with FEC for 70m (OM3) / 100m (OM4).

Q: What fibre and connector does it need?
A: It needs parallel OM3 or OM4 multimode fibre with 50um core, terminated with MPO-12 UPC connectors.

Q: Which switch ports does it fit?
A: It fits 100G QSFP ports on Arista switches. Check Arista's Transceiver and Cable Guide for platform-specific support.

Q: Does it need a licence?
A: No licence is required. The module is powered from the host QSFP port and draws a maximum of 3.5W.

Q: What reach can I expect on OM4?
A: On OM4 the reach is 50m without FEC for lowest latency, or 100m with FEC enabled.

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