• Silver arista sfp-25g-mr-xsr transceiver modules with blue handles and metallic connectors for 25gbase-sr 10/25g use
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Arista

Arista SFP-25G-MR-XSR | 25GBASE-SR SFP28 Transceiver, Dual Rate 10/25G, 300m OM4

Arista SFP-25G-MR-XSR | 25GBASE-SR SFP28 Transceiver, Dual Rate 10/25G, 300m OM4

SFP-25G-MR-XSR

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Description

The Arista SFP-25G-MR-XSR is a dual-rate 10/25GBASE-SR Extended Reach (XSR) SFP28 optical transceiver built for low-latency data centre and campus deployments over multimode fibre. Operating at 850nm, it delivers extended reach versus standard SR optics — up to 200m/300m over OM3/OM4 at 25G and up to 300m/400m over OM3/OM4 at 10G — making it ideal for spine-leaf fabrics, server connectivity, and network upgrade scenarios where longer MMF runs are required without moving to single-mode.

As part of Arista's E-Series optical transceiver portfolio, this module supports low-latency operation without FEC and optical interoperability with legacy 10G-SR SFPs when running at 10G, protecting existing infrastructure investments during 25G migration. Digital Diagnostic Monitoring (DDM) enables real-time visibility into optical parameters. Requires EOS 4.24.2 or later. Order now at iptrading.com.au — trusted by Australian IT professionals.

Features

- Dual rate 10G/25G operation enables flexible, future-proof network upgrades
- Extended Reach (XSR) — up to 200m/300m over OM3/OM4 at 25G, exceeding standard SR limits
- Low-latency operation without FEC for latency-sensitive applications
- Optical interoperability with legacy 10G-SR SFP transceivers at 10G for investment protection
- Digital Diagnostic Monitoring (DDM) provides real-time visibility into Tx/Rx power, temperature, and voltage
- 850nm VCSEL laser transmitter over LC Duplex multimode fibre
- E-Series designation for enhanced reach and optimised performance in Arista environments
- Single +3.3V power supply for straightforward integration
- RoHS compliant for environmentally responsible deployment
- Compatible with Arista platforms running EOS 4.24.2 or later

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: SFP28 (SFP+)
- Data Rate: Dual rate — 10G and 25G
- Wavelength: 850nm VCSEL
- Fiber Type: Multimode Fiber (MMF)
- Max Reach @ 25G: 200m over OM3 / 300m over OM4
- Max Reach @ 10G: 300m over OM3 / 400m over OM4
- Low Latency Mode: Up to 30m/50m over OM3/OM4 (without FEC)
- Connector: LC Duplex
- Digital Diagnostic Monitoring (DDM/DOM): Yes
- Standards: 25GBASE-SR, 10GBASE-SR, SFP28 MSA, SFF-8472
- Power Supply: Single +3.3V
- Minimum EOS Version: 4.24.2
- Compliance: RoHS

FAQs

Q: What is the maximum reach of the SFP-25G-MR-XSR at 25G?
A: At 25G, the SFP-25G-MR-XSR supports up to 200m over OM3 multimode fibre and up to 300m over OM4 multimode fibre — significantly beyond the reach of standard 25GBASE-SR optics.

Q: Can this transceiver operate at both 10G and 25G?
A: Yes. The SFP-25G-MR-XSR is a dual-rate module supporting both 10GBASE-SR and 25GBASE-SR operation. At 10G, reach extends to 300m over OM3 and 400m over OM4, and the module is optically interoperable with legacy 10G-SR SFPs.

Q: Does this transceiver support low-latency operation?
A: Yes. The XSR (Extended Reach Enhanced) designation includes support for low-latency operation without Forward Error Correction (FEC), suitable for latency-sensitive workloads such as financial trading or high-performance computing. Low-latency mode supports links up to 30m over OM3 and 50m over OM4.

Q: Is the SFP-25G-MR-XSR compatible with legacy 10G infrastructure?
A: When operated at 10G, this module optically interoperates with standard 10G-SR SFPs, making it well suited for phased 25G migration. Note that attenuation may be required on very short links when connecting to legacy fixed-rate 10G optics.

Q: What Arista EOS version is required for this transceiver?
A: The SFP-25G-MR-XSR requires a minimum of Arista EOS version 4.24.2 for supported operation on Arista switches and platforms.

Q: Can I purchase the Arista SFP-25G-MR-XSR in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is a trusted Australian B2B IT hardware reseller stocking Arista transceivers. Order online or contact our team for volume pricing, compatibility advice, and local support.

Datasheet

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