QDD-400-CU0.5M
400G QSFP-DD Transceiver, Passive Copper Cable, 0.5 meter
Cisco 0.5m QSFP-DD passive copper cable for very short reach 400G connectivity between QSFP-DD ports. Enables high-bandwidth 400G links across racks and within racks.
QDD-400-CU0.5M Overview
The Cisco 400G QDD-400-CU0.5M module provides a QSFP-DD-to-QSFP-DD copper direct-attach solution for very short reach 400G links. This passive copper cable with a reach of 0.5 meters enables high-bandwidth 400Gbps connectivity between QSFP-DD ports of switches, routers, and servers within racks and across adjacent racks.
Offering a cost-effective way to establish 400G links at very short distances, the QDD-400-CU0.5M relies on host-based forward error correction. It delivers low latency 400G connections without requiring an external transceiver. The cable is hot-pluggable for flexible deployment.
Key Features
- 400G QSFP-DD passive copper cable
- 0.5 meter reach
- QSFP-DD to QSFP-DD connectivity
- Passive copper cable assembly
- Pull tab color: Tan
- Host-based FEC
QDD-400-CU0.5M Compatibility
| Product | Description |
|---|---|
| Cisco® QSFP-DD transceiver module, 400G-SR4, for up to 0.5m of copper twinax cable. Enables high-bandwidth, short-distance connections within racks or across adjacent racks in data centers. | |
| Cisco Nexus 9000 Series Switches | High-performance data center switches with QSFP-DD ports for dense 400G connections. Supports QDD-400-CU0.5M for 400GBase-SR4 connections up to 0.5m over copper twinax, ideal for very short, high-bandwidth links within racks. |
| Cisco Nexus 7000 Series Switches | High-end modular data center switches with QSFP-DD ports. Compatible with QDD-400-CU0.5M for 400GBase-SR4 connections up to 0.5m over copper twinax, catering to demanding data center applications requiring very short, high-bandwidth links. |
| Cisco ASR 9000 Series Routers | High-performance routers with QSFP-DD ports for service provider networks. Utilizes QDD-400-CU0.5M for 400GBase-SR4 connections up to 0.5m over copper twinax, enabling high-bandwidth data transfers within service provider infrastructure over short distances. |
| Cisco MDS 9000 Series Storage Switches | High-performance storage switches with QSFP-DD ports for SANs. Can integrate QDD-400-CU0.5M for 400GBase-SR4 connections up to 0.5m over copper twinax, optimizing high-bandwidth data transfers within storage networks at very short distances. |
Specifications
| Specification | Value |
|---|---|
| Cable Type | Passive copper |
| Reach | 0.5 meters |
| Pull Tab Color | Tan |
| Power Consumption Per End | 1.5W max |
| Data Rate | 425 Gbps |
| Electrical Interface | 400GAUI-8, OIF CEI-56G-VSR-PAM4 |
| Operating Temperature | 0°C to 70°C |
Installation
The QDD-400-CU0.5M cable can be directly attached between 400G QSFP-DD ports of supported Cisco switches, routers, and servers for very short reach links within and across racks. No additional configuration is required.
Brand
Cisco Systems
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