• Silver-colored Arista QDD-8x25-MR-SR-E sfp+ transceiver modules with blue handles and metallic connectors for 200G QSFP-DD use
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Arista

Arista QDD-8X25-MR-SR-E | E-Series 200G QSFP-DD Transceiver, 8x25G SR, MPO-16, MMF

Arista QDD-8X25-MR-SR-E | E-Series 200G QSFP-DD Transceiver, 8x25G SR, MPO-16, MMF

QDD-8X25-MR-SR-E

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Description

The Arista E-Series 200G QSFP-DD optical transceiver delivers ultra-low latency parallel MMF connectivity for high-performance data centre and financial networking environments. Supporting dual-rate operation — 8x 25GBASE-SR-E (200G aggregate) or 8x 10GBASE-SR (80G aggregate) — this transceiver eliminates the Forward Error Correction (FEC) requirement, saving up to 250ns of latency per hop. With an MPO-16 APC connector and 850nm wavelength, it reaches up to 100m over OM4 at 25G (with FEC) and up to 400m at 10G, making it ideal for spine-leaf deployments requiring low-latency breakout configurations.

Compatible with Arista 7050X, 7060X, and ultra-low latency 7130B Series platforms (minimum EOS 4.31.1), the QDD-8X25-MR-SR-E supports a smooth 10GE-to-25GE upgrade path with 2.5x reduction in serialisation delay. Its pull-tab latch design simplifies dense cabling environments. Upgrade your network with gear from iptrading.com.au — Australia's IT hardware specialists.

Features

- E-Series Enhanced Performance optics engineered for ultra-low latency networking
- Eliminates FEC requirement — saves up to 250ns of latency per transceiver hop
- Dual-rate operation: 8x 25GE or 8x 10GE selectable per transceiver
- Supports optical breakout configurations for flexible port density
- Compatible with Arista 7050X, 7060X, and 7130B ultra-low latency platforms
- MPO-16 APC connector enables parallel MMF connectivity across OM3/OM4 infrastructure
- Enables 10GE to 25GE upgrade path with 2.5x reduction in serialisation delay

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-DD
- Aggregate Data Rate: 200G (8x 25GBASE-SR-E) or 80G (8x 10GBASE-SR)
- Wavelength: 850nm
- Connector: MPO-16 APC
- Fiber Type: Multi-Mode Fiber (OM3 / OM4)
- Reach @ 25G with FEC: Up to 70m (OM3) / 100m (OM4)
- Reach @ 25G without FEC: Up to 30m (OM3) / 50m (OM4)
- Reach @ 10G without FEC: Up to 300m (OM3) / 400m (OM4)
- Latch Type: Pull Tab
- Minimum EOS Version: 4.31.1

FAQs

Q: What is the maximum reach of the QDD-8X25-MR-SR-E at 25G?
A: At 25G with FEC enabled, the transceiver reaches up to 70m over OM3 and 100m over OM4 multi-mode fibre. Without FEC (low-latency mode), reach is up to 30m (OM3) or 50m (OM4).

Q: What platforms is the QDD-8X25-MR-SR-E compatible with?
A: This transceiver is compatible with Arista 7050X, 7060X, and 7130B Series platforms running EOS version 4.31.1 or later. It is purpose-built for Arista's ultra-low latency switching portfolio.

Q: Why does eliminating FEC matter for my network?
A: Forward Error Correction (FEC) introduces processing latency — typically around 200–250ns. The E-Series design eliminates this overhead, which is critical in latency-sensitive environments such as algorithmic trading, HPC, and financial services where nanoseconds matter.

Q: Can this transceiver be used for breakout configurations?
A: Yes. The QDD-8X25-MR-SR-E supports optical breakout configurations, allowing a single QSFP-DD port to be fanned out to multiple 25G or 10G downstream connections using an appropriate MPO-16 breakout cable.

Q: What connector and fibre type does this transceiver require?
A: It uses an MPO-16 APC connector and is designed for parallel multi-mode fibre — specifically OM3 or OM4. Ensure your existing fibre infrastructure uses OM3 or OM4 MMF and compatible MPO-16 APC patch leads.

Q: Can I purchase the Arista QDD-8X25-MR-SR-E in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware specialist stocking Arista transceivers and networking equipment. Contact our team for pricing, availability, and volume purchasing options.

Datasheet

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