Flexible, high-performance Active Electrical Cables for AI and cloud connectivity
Taurus Ethernet Smart Cable Modules™
Unleashing High Density AI Connectivity
- Extend 200/400/800G Ethernet signal reach for high-density AI racks using Active Electrical Cables
- Enhance signal integrity and bandwidth utilization for diverse AI topologies with thin and flexible cables
- Scalable across diverse systems using standard connector form factors with gearbox and breakout options
- COSMOS suite for performance optimization and seamless fleet management across dense AI platforms
Taurus Highlights
Optimizing Ethernet Connectivity for AI and Cloud
Extended Robust
Signal Reach
 Over copper cables
Flexible Copper
Cables
 Optimizing routing, service, and airflow
Enhanced Diagnostics
& Telemetry
 Advanced capabilities through out-of-band management
Why Use Taurus Ethernet Smart Cable Modules?
Taurus enables robust, easy-to-design 100G/Lane Ethernet connectivity with high reliability and maximum uptime, featuring the COSMOS’ built-in suite for advanced fleet management, security, and deep diagnostics.
Robustness
-  Extended Cable Line RateFuture proof scalability for 200G/400G/800G 
-  Low PowerUses 50% less power than Active Optical Cables 
-  Low LatencyLow latency operation at <50ns 
-  SecurityAdvanced security features help prevent malicious attacks of unauthorized firmware loading, module diagnostics access, and configurations 
Easy System Design
-  Thin Cable GaugeUp to 34AWG 
-  Fewer Twinax Pairs8 pairs at 200G/400G/800G reduces overall external diameter of cables 
-  Extended ReachUp to 7m of reach 
-  Flexible Supply ChainTaurus Smart Cable Modules are compatible with multiple cable vendors for easy second sourcing of active cable assembly 
Fleet Management
-  Quick DebugSelf-test features enable rapid troubleshooting 
-  Deep DiagnosticsCable-side and host-side diagnostics enable easy management of entire fleets 
Ordering Information
| Orderable Part Number | Description | Max Data Gen | Cable Line Rate | Mode | Package / Connector | Ordering | 
|---|---|---|---|---|---|---|
| EM400-QDX | 400G QSFP-DD Taurus Smart Cable Module | 400G | 50G/Lane, 100G/Lane | PAM4 | QSFP-DD | Contact Us, https://www.asteralabs.com/product-details/em400-qdx/ | 
| EM400-EPS | 400G OSFP Taurus Smart Cable Module | 400G | 50G/Lane, 100G/Lane | PAM4 | OSFP | Contact Us, https://www.asteralabs.com/product-details/em400-eps/ | 
| EM800-EPS | 800G OSFP Taurus Smart Cable Module | 800G | 100G/Lane | PAM4 | OSFP | Contact Us, https://www.asteralabs.com/product-details/em800-eps/ | 
| EM800-QDX | 800G QSFP-DD Taurus Smart Cable Module | 800G | 100G/Lane | PAM4 | QSFP-DD | Contact Us, https://www.asteralabs.com/product-details/em800-qdx/ | 
| EM200-QDX | 200G QSFP-DD Taurus Smart Cable Module | 200G | 25G/Lane | NRZ | QSFP-DD | Contact Us, https://www.asteralabs.com/product-details/em200-qdx/ |