• Arista CAB-Q-Q-100G-1M 100G QSFP28 DAC black twinax cable 1m
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Arista

Arista CAB-Q-Q-100G-1M | 100G QSFP28 to QSFP28 DAC Cable, 100GBASE-CR4, 1m

CAB-Q-Q-100G-1M

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Description

This Arista 100G QSFP28 direct attach copper cable links two 100 Gigabit Ethernet ports over a 1 metre run. It is a passive twinax cable built for very short connections inside a rack or to an adjacent rack, such as switch to switch, or switch to server or storage.

The cable uses 100GBASE-CR4 signalling with a QSFP28 connector on each end. It is passive copper with no active electronics, so it needs no separate power supply. The 1 metre length suits tight, short links where copper is the most economical way to reach 100G speeds.

It fits QSFP28 (QSFP100) ports on Arista switches at both ends of the link. Other lengths in the same 100GBASE-CR4 family are offered for longer runs, so you can match the cable to the distance between your devices.

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

Features

- Passive twinax copper construction for 100GBASE-CR4
- QSFP28 connectors at both ends
- No active electronics and no separate power required
- Suited to very short in-rack and adjacent-rack links
- Cost-effective copper option for short 100GbE connections
- Part of Arista's family of optics and cables that follow industry standards

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

- Product number: CAB-Q-Q-100G-1M
- PHY type: 100GBASE-CR4
- Connector type: QSFP to QSFP (QSFP28)
- Cable type: Passive twinax copper
- Length: 1 metre
- Wavelength: not applicable (copper)
- Power: passive, no separate power supply needed
- Max reach for the 100GBASE-CR4 family: up to 5m
- Family lengths: 0.5m, 1m, 1.5m, 2m, 2.5m, 3m and 5m

FAQs

Q: Does this cable need a licence or separate power?
A: No. It is a passive copper cable with no active electronics, so it needs no licence and no separate power supply.

Q: What ports does it connect to?
A: It connects QSFP28 (QSFP100) ports on Arista switches at both ends of the link, for 100GBASE-CR4 connections.

Q: How far can this cable reach?
A: This SKU is 1 metre long. It is intended for very short links within a rack or to an adjacent rack.

Q: What other lengths are available in this range?
A: The 100GBASE-CR4 family is offered in 0.5m, 1m, 1.5m, 2m, 2.5m, 3m and 5m lengths. This SKU is the 1m cable.

Q: Where is this cable typically used?
A: It suits short-reach 100GbE links between switches, or between switches and servers or storage, inside a rack or to an adjacent rack.

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