• NVIDIA Q112-400G-CU0-5 400G QSFP112 DAC with black AOC SFP+ fiber optic cable
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NVIDIA

NVIDIA Q112-400G-CU0-5 | 400G QSFP112 passive DAC | 0.5 m twinax | 400GBASE-CR4 | QSFP112-to-QSFP112

Q112-400G-CU0-5

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Description

High-performance 0.5 m passive copper DAC for 400G QSFP112 ports. Ideal for ultra‑low‑latency, short interconnects such as node stacking or adjacent rack connections without the power draw of active optics.

Features

Ultra‑low latency, zero‑power link
- Simple plug‑and‑play for QSFP112 400G ports
- Robust shielding for signal integrity
- Cost‑effective alternative to optical links for short distances
- Optimized for dense, high‑speed racks

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

Data rate: 400 Gb/s
- Form factor: QSFP112 to QSFP112
- Cable type: Passive copper twinax (DAC)
- Length: 0.5 m
- Electrical lanes: 4× 100G PAM4 (400GBASE-CR4)
- Power: Passive, near-zero port power
- Typical use: Intra-rack, short interconnects

FAQs

Q: Is this cable passive or active?
A: It is a passive twinax DAC, requiring no onboard power.

Q: Which ports does it fit?
A: Ports that accept QSFP112 400G modules on both ends.

Q: Can this be used for breakout to lower speeds?
A: No, this is a straight 400G-to-400G cable (no breakout).

Q: What applications is 0.5 m best for?
A: Adjacent switch/server connections, short in-rack links, and stacking within the same rack.

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