• Silver-colored arista qsfp-40g-plrl4 transceiver modules with blue handles and metallic connectors for 40gbase-plrl4 use
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Arista

Arista QSFP-40G-PLRL4 | 40GBASE-PLRL4 QSFP+ Transceiver, 1km SMF, MTP-12, 4x10G

Arista QSFP-40G-PLRL4 | 40GBASE-PLRL4 QSFP+ Transceiver, 1km SMF, MTP-12, 4x10G

QSFP-40G-PLRL4

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Description

The Arista QSFP-40G-PLRL4 is a 40GBASE-PLRL4 QSFP+ optical transceiver designed for high-density data centre and enterprise core deployments over parallel single-mode fibre. Delivering 40 Gbps aggregate across four 10G lanes at 1310nm, it supports distances up to 1km over SMF via an MTP-12/MPO-12 connector — making it ideal for spine-leaf interconnects and high-performance computing environments where both reach and density matter.

Equipped with 4x10G breakout mode, the QSFP-40G-PLRL4 enables four independent 10G-LR connections using standard fibre breakout cables or cassettes, maximising infrastructure flexibility. Digital Optical Monitoring (DOM) provides real-time link diagnostics via the I2C interface, and the module is fully hot-swappable for zero-downtime maintenance. Compliant with QSFP+ MSA SFF-8436, it integrates seamlessly with Arista 40GbE switches and routers. Need it fast? iptrading.com.au delivers across Australia — shop now.

Features

- 40 Gbps aggregate throughput over parallel single-mode fibre up to 1km
- 4x10G-LR breakout mode for flexible port density using fibre breakout cables or cassettes
- 1310nm four-channel FP laser array transmitter with PIN photodetector receiver
- MTP-12/MPO-12 connector supporting ribbon SMF fibre infrastructure
- Digital Optical Monitoring (DOM) for real-time link health and diagnostics
- Electrically hot-swappable for maintenance without network disruption
- QSFP+ MSA SFF-8436 compliant for broad switch and router interoperability
- Low power dissipation under 3.5W for energy-efficient high-density deployments
- Ideal for data centre spine-leaf, high-performance computing, and enterprise core/distribution

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

Datasheet

Technical Specifications

- Form Factor: QSFP+
- Data Rate: 40 Gbps aggregate (4 x 10 Gbps lanes)
- Standard: 40GBASE-PLRL4
- Wavelength: 1310nm (4-channel FP laser array)
- Fiber Type: Single-Mode Fibre (SMF)
- Maximum Reach: Up to 1km over SMF
- Connector: MTP-12 / MPO-12
- Electrical Interface: 38-pin QSFP+ connector
- Breakout Mode: 4x10G-LR supported
- Power Dissipation: < 3.5W
- Digital Diagnostics Monitoring (DOM): Supported via I2C interface
- Compliance: QSFP+ MSA SFF-8436
- Hot-Swappable: Yes

FAQs

Q: What is the maximum reach of the Arista QSFP-40G-PLRL4?
A: The QSFP-40G-PLRL4 supports transmission distances of up to 1km over parallel single-mode fibre (SMF) using an MTP-12/MPO-12 connector, making it well-suited for intra-campus and data centre aggregation links.

Q: Does this transceiver support 4x10G breakout mode?
A: Yes. The QSFP-40G-PLRL4 supports a 4x10G-LR breakout mode, allowing four independent 10 Gbps connections using standard fibre breakout cables or MTP cassettes. This maximises port density on compatible Arista switches and routers.

Q: Which Arista switches and routers are compatible with this transceiver?
A: The QSFP-40G-PLRL4 is designed for use with Arista 40GbE-capable switches and routers. It is QSFP+ MSA SFF-8436 compliant, which also provides broad interoperability with third-party equipment that accepts standard QSFP+ modules.

Q: Does the QSFP-40G-PLRL4 support Digital Optical Monitoring (DOM)?
A: Yes. The module supports Digital Optical Monitoring via the I2C interface, providing real-time diagnostics including temperature, voltage, transmit power, and receive power — essential for proactive network management in production environments.

Q: Can I purchase the Arista QSFP-40G-PLRL4 in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware reseller supplying Arista transceivers including the QSFP-40G-PLRL4. We deliver across Australia with fast fulfilment — contact us or order online today.

Q: Is the QSFP-40G-PLRL4 hot-swappable?
A: Yes. The module is electrically hot-swappable, allowing installation and removal without powering down the host device — minimising disruption in live data centre environments.

Datasheet

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