• Silver-colored arista H-D400-4Q100-1M sfp+ transceiver modules with blue handles and metallic connectors for 400g active DAC
1 1

Arista

Arista H-D400-4Q100-3M-Arista | 400G QSFP-DD to 4x 100G QSFP Breakout Cable, 3m, Active

H-D400-4Q100-3M-Arista

Stock Status: Enquire

Request Quote
Sale Sold out
Shipping calculated at checkout.
20-min response

Need a quote or bulk pricing? Answered within 20 minutes, Sydney business hours.

Description

This Arista active copper breakout cable splits one 400G QSFP-DD port into four 100G QSFP (QSFP28) ports over a 3 metre run. It suits short in-rack or adjacent-rack links, such as connecting a 400G leaf switch to several 100G switches or server NICs, and it gives an affordable path to an installed base of 100G QSFP ports.

The 400GBASE-CR8 QSFP-DD end presents four 100G-2 legs, each carrying 2x 50G PAM-4 electrical lanes. A gearbox chip in each QSFP end converts these to the 4x 25G NRZ interface used by legacy 100G QSFP ports. Power is drawn from the host ports, with 10 W at the QSFP-DD end and 4 W at each QSFP end. The cable uses a pull-tab latch, and no licence or subscription is required.

The QSFP-DD end plugs into 400G QSFP-DD ports on Arista platforms, and the four QSFP ends plug into 100G QSFP (QSFP28) ports. It does not fit OSFP ports, where the H-O400-4Q100 version applies instead.

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

Features

- Breaks a single 400G port out to four 100G QSFP ports for high-density 100G connectivity
- Cost-effective link to an installed base of 100G QSFP ports
- Gearbox converts 2x 50G PAM-4 to 4x 25G NRZ, the format used by legacy 100G QSFP ports
- Suited to short in-rack and adjacent-rack links
- Pull-tab latch for easy removal
- Powered from the host ports with no licence required

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.

View full details

specs-tabs

Technical Specifications

FAQs

Technical Specifications

- Type: Active copper breakout cable (ACC)
- Near end: 400G QSFP-DD, 4 x 100G-2
- Remote end: 4 x 100G QSFP (QSFP28)
- PHY type: 400GBASE-CR8 QSFP-DD to 4 x 100GBASE-CR4 QSFP
- Length: 3 m
- Electrical modulation: 50G PAM-4 at QSFP-DD, 25G NRZ at QSFP
- Gearbox: in each QSFP end, converts 2x 50G PAM-4 to 4x 25G NRZ
- Power consumption: 10 W at QSFP-DD end, 4 W per QSFP end
- Latch type: Pull tab
- Medium: Twinax copper, no optical connector
- Maximum length for active copper cables in this family: 5 m

FAQs

Q: Does this cable need a licence or subscription?
A: No. It is a cable assembly with no software licensing.

Q: Will it fit OSFP ports?
A: No. This cable has a QSFP-DD end for 400G QSFP-DD ports. The OSFP version is H-O400-4Q100-xM.

Q: What ports does the far end connect to?
A: The four QSFP ends plug into 100G QSFP (QSFP28) ports on switches or server NICs, each using a 4x 25G NRZ electrical interface.

Q: How is it different from a passive 400G breakout DAC?
A: This active cable has a gearbox in each QSFP end that converts 2x 50G PAM-4 to 4x 25G NRZ. Passive 400G breakout DACs such as CAB-D-4Q-400G-xM are a different product that passes 2x 50G PAM-4 lanes to each QSFP.

Q: How much power does it draw?
A: It is powered from the host ports, drawing 10 W at the QSFP-DD end and 4 W at each QSFP end.

Related Products

View all Fibre Optic Transceivers

Recently Viewed

  • Request a Quote

    Looking for competitive pricing? Submit a request, and our team will provide a tailored quote that fits your needs.

  • Contact Us Directly

    Have a question or need immediate assistance? Call us for expert advice and real-time support.

    Call us Now  

  • Contact Us Directly

    Have a question or need immediate assistance? Call us for expert advice and real-time support.

    Contact us