• Arista CAB-Q-4S-100G-1M 100G to 4x25G QSFP28 to 4 SFP28 DAC cable 1m
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Arista

Arista CAB-Q-4S-100G-1M | 100G QSFP28 to 4x 25G SFP28 DAC Breakout Cable, 1m

CAB-Q-4S-100G-1M

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Description

This passive twinax copper breakout cable connects one 100G QSFP28 port to four 25G SFP28 ports over a 1 metre run. It suits short-reach top-of-rack links where a 100G switch port needs to feed 25G servers or switches. The 1m length is one of several lengths in the family, making it ideal for tight, same-rack or adjacent-rack connections.

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

Features

- Delivers four 25G channels from a single 100G QSFP port
- Passive copper design, no power required for the cable
- Connects 100G switch ports to 25G servers or switches
- Listed as supported on Arista 7050X3 and 7260X3 series switches
- Compatible with Arista 100G QSFP ports

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

Technical Specifications

- 100GBASE-CR4 QSFP (QSFP28) to 4 x 25GBASE-CR SFP (SFP28) breakout
- Passive twinax copper construction
- Cable length: 1 metre
- Minimum EOS version: 4.18.0
- Available in 1m, 2m, 3m and 5m lengths within the family

FAQs

Q: What does this cable connect?
A: It connects one 100G QSFP28 port on one end to four 25G SFP28 ports on the other end, splitting the 100G port into four independent 25G links.

Q: Is this an active or passive cable?
A: It is a passive twinax copper cable, so it requires no external power and has no active electronics.

Q: What length is this cable?
A: This SKU is 1 metre. The same breakout cable family is also offered in 2m, 3m and 5m lengths.

Q: Which Arista switches support this breakout cable?
A: It is listed as supported on Arista 7050X3 and 7260X3 series switches, and requires a minimum EOS version of 4.18.0.

Q: Is this suitable for long-distance links?
A: No. As a passive copper DAC at 1 metre, it is intended for short-reach connections within a rack or between adjacent racks.

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