Arista

Arista QSFP-40G-XSR4 | 40G QSFP+ | 40GBASE-XSR4 | 850nm | 300m OM3 / 400m OM4 | MPO-12

Arista QSFP-40G-XSR4 | 40G QSFP+ | 40GBASE-XSR4 | 850nm | 300m OM3 / 400m OM4 | MPO-12

SKU:QSFP-40G-XSR4

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Description

High-density 40GBASE-XSR4 QSFP+ transceiver for extended short-reach multimode links. Delivers up to 300 m on OM3 or 400 m on OM4 with MPO-12 connectivity, ideal for spine–leaf, aggregation, or campus core uplinks where extra reach over MMF is required. Supports 4x10G breakout with appropriate cabling.

Features

- Extended reach over MMF for flexible data center layouts
- High-density MPO interface for simplified cabling
- Supports 40G to 4x10G breakout for migration scenarios
- Low power, hot-swappable QSFP+ design
- Standards-based interoperability with SR4 optics

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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FAQs

Technical Specifications

FAQs

Q: How does XSR4 differ from SR4?
A: XSR4 provides extended short reach—typically up to 300m on OM3 and 400m on OM4—beyond the standard SR4 distances.

Q: What MPO polarity is required?
A: Use a Type-B (key-up to key-up) 12‑fiber MPO trunk for SR4/XSR4 links.

Q: Can I connect this to a standard SR4 transceiver?
A: Yes, XSR4 is interoperable with SR4 over the same MMF/MPO infrastructure; the link will operate within the shorter device’s reach.

Q: Does it support 4x10G breakout to LC?
A: Yes, with an appropriate MPO‑to‑LC fanout harness and platform support for 4x10G.

Q: Is single-mode fiber supported?
A: No, this module is designed for multimode fiber (OM3/OM4).

Technical Specifications

- Data rate: 40GbE (4x10G lanes)
- Form factor: QSFP+
- Optical standard: 40GBASE-XSR4
- Wavelength: 850nm (MMF)
- Reach: up to 300m on OM3, up to 400m on OM4
- Connector interface: MPO-12/MTP (female)
- Fiber type: Multimode (OM3/OM4)
- Breakout: Supports 4x10G (with MPO-to-LC fanout and platform support)
- Digital diagnostics (DDM/DOM): Supported
- Hot-swappable: Yes
- Standards: IEEE 802.3ba, QSFP+ MSA (SFF-8436)
- Operating temperature: 0°C to 70°C
- Power: Low-power QSFP+ design

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