• Arista ADPT-O-Q-100G OSFP-to-QSFP28 100G adapter with silver SFP+ modules
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Arista

Arista CAB-D-8S-200G-2M | 200G QSFP-DD to 8x 25G SFP28 Passive DAC Cable, 2m

CAB-D-8S-200G-2M

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Description

This passive copper twinax direct-attach breakout cable connects a 200G QSFP-DD port to eight 25G SFP28 ports over a 2m length. It supports 200GBASE-CR8 and 25GBASE-CR signalling, making it a cost-effective option for short-reach connections between a high-density switch port and multiple 25G servers or devices within the same rack or an adjacent rack. As a passive copper cable it requires no separate optics.

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

Features

- 1-to-8 breakout from a single 200G QSFP-DD port to eight 25G SFP28 ports
- Passive copper twinax construction with no wavelength or optics required
- Suited to short-reach top-of-rack server and switch connectivity
- Consolidates multiple 25G links into one high-density switch port

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

Datasheet

Technical Specifications

- Cable type: Passive DAC twinax copper breakout
- Connector A: QSFP-DD (200G)
- Connector B: 8x SFP28 (25G each)
- Standards: 200GBASE-CR8 / 25GBASE-CR
- Length: 2m

FAQs

Q: What does this cable connect?
A: It has a single QSFP-DD connector at one end that splits into eight SFP28 connectors at the other, allowing one 200G port to serve eight 25G ports.

Q: Is this an active or passive cable?
A: It is a passive direct-attach copper (twinax) cable, so it contains no active optical components and uses no wavelength.

Q: What length is this cable?
A: This SKU is 2m in length, suited to short-reach connections within or between adjacent racks.

Q: Which standards does it support?
A: It is described as 200GBASE-CR8 on the QSFP-DD side and 25GBASE-CR on each SFP28 breakout leg.

Q: What kind of equipment is it used with?
A: It is intended for linking a QSFP-DD port on a switch to SFP28 ports on servers, NICs or other 25G devices over a short distance.

Datasheet

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