---
title: "CU200"
url: "https://www.qualcomm.com/data-center/products/qualcomm-dragonfly-cu200"
description: "Qualcomm Dragonfly CU200 is a 3nm single-chip PAM4 DSP retimer delivering 200G/lane for 1.6T Active Electrical Cable, ultra-low power with MLSD."
---

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Qualcomm Dragonfly™

# CU200

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## 1.6T PAM4 Electrical DSP

The Qualcomm Dragonfly™ CU200 DSP is a 3nm CMOS single-chip, low-power and low-latency PAM4 Active Electrical Cable (AEC) Digital Signal Processor (DSP) retimer. It is a 200G/lane device delivering high performance, high reliability interconnect for 1.6T AECs. The CU200 can also function as an 8x212.5 Gbps protocol agnostic retimer.

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## Use Cases

- Active electrical cables
- On-board electrical retimers

## Benefits

**Advanced DSP technology**
A suite of advanced signal processing algorithms engineered to deliver exceptional Bit Error Rate (BER) performance with ultra-low power consumption

**Powerful diagnostic technology**
Offers a powerful suite of diagnostic and monitoring tools designed to give end users complete visibility into link performance, by leveraging real-time analytics across electrical or optical links.

**Low power MLSD**
Industry-leading, low-power Maximum Likelihood Sequence Detection (MLSD)

## Features

- Diagnostics and monitoring: FEC error, EYE, SNR, Host/Line Loopback
- Full XBAR to ease layout
- 200G with two generation backwards compatibility (100G PAM4 and 50G PAM4)
- IEEE 802.3dj compliant IFS (Inner FEC Subsystem)
- KP4 FEC Decode and Encode
- PRBS gen/checker
- Extra Long Reach (XLR) capability (45dB bump-bump)