New Original Asus ESC4000-E11 ESC4000A-E12 Server EPYC 7003 7002 2U Single-socket GPU PCIe 4.0 RTX
Here’s a detailed comparison table for Asus ESC4000-E11 and Asus ESC4000A-E12 industrial ESCs:
Asus ESC4000 Series Comparison Table
| Feature | ESC4000-E11 | ESC4000A-E12 |
|---|---|---|
| Continuous Current | 40A | 40A |
| Peak Current | 110A (5-sec burst) | 120A (10-sec burst) |
| Voltage Range | 12-48V (3-12S LiPo) | 12-60V (3-14S LiPo) |
| Efficiency | 92% | 95% (with dynamic switching) |
| Cooling System | Passive heatsink | Active cooling (PWM fan + heatsink) |
| Control Interface | PWM, DShot300 | PWM, DShot1200, CAN Bus |
| BEC Output | 5V/5A | 5V/8A (isolated) |
| Protections | Over-current, UVLO | Over-current/voltage/temp, short-circuit |
| Firmware | ASUS Basic ESC | ASUS SmartESC (upgradable) |
| Telemetry | None | Real-time current/voltage/temp |
| Dimensions | 65×35×15mm | 70×40×20mm |
| Weight | 85g | 110g |
| IP Rating | IP40 | IP54 |
| Price Range | 45−65 | 75−100 |
1. ASUS ESC4000-E11 – Reliable Standard-Performance ESC
The ASUS ESC4000-E11 is a cost-effective, high-efficiency speed controller designed for industrial automation, mid-range drones, and heavy-duty robotics. With a 40A continuous current and 110A peak burst, it delivers stable power for demanding applications while maintaining excellent thermal performance.
Key Features:
- 40A Continuous / 110A Burst Current – Handles high torque demands
- 12-48V Input Range (3-12S LiPo compatible) – Flexible power options
- 92% Peak Efficiency – Optimized for energy savings
- PWM & DShot300 Support – Compatible with most industrial controllers
- Passive Cooling (Heatsink Only) – Silent operation, no moving parts
- Basic Protections – Over-current, under-voltage lockout (UVLO)
- 5V/5A BEC Output – Powers auxiliary devices
- Lightweight (85g) & Compact (65×35×15mm) – Easy integration
- IP40 Rated – Suitable for controlled environments
Ideal For:
- Industrial motor control
- Medium-sized drones & UAVs
- Automated guided vehicles (AGVs)
- Budget-conscious robotics projects
2. ASUS ESC4000A-E12 – Advanced High-Performance ESC
The ASUS ESC4000A-E12 is a premium-grade ESC with enhanced power handling, smart telemetry, and rugged construction. It supports 40A continuous current with a 120A burst and features active cooling for sustained high-load operation.
Key Features:
- 40A Continuous / 120A Burst Current – Superior power delivery
- 12-60V Input Range (3-14S LiPo compatible) – Wider voltage flexibility
- 95% Efficiency with Dynamic Switching – Minimizes energy loss
- CAN Bus, PWM & DShot1200 Support – Advanced communication options
- Active Cooling (PWM Fan + Heatsink) – Prevents overheating under heavy loads
- Comprehensive Protections – Over-current/voltage/temp, short-circuit, spark-proof
- 5V/8A Isolated BEC – Clean power for sensitive electronics
- ASUS SmartESC Firmware – Upgradable, customizable throttle curves
- Real-Time Telemetry – Monitors current, voltage, and temperature
- IP54 Rated Enclosure – Dust & splash resistant
- Gold-Plated Connectors – Enhanced corrosion resistance
Ideal For:
- High-performance drones & heavy-lift UAVs
- Industrial robotics requiring precision control
- Electric vehicle (EV) conversions
- Harsh-environment applications
Comparison Summary
| Feature | ESC4000-E11 (Standard) | ESC4000A-E12 (Advanced) |
|---|---|---|
| Peak Current | 110A (5s burst) | 120A (10s burst) |
| Voltage Range | 12-48V | 12-60V |
| Cooling | Passive heatsink | Active fan + heatsink |
| Control Protocol | PWM, DShot300 | CAN Bus, DShot1200 |
| Telemetry | None | Real-time monitoring |
| BEC Output | 5V/5A | 5V/8A (isolated) |
| Durability | IP40 | IP54 (dust/water resistant) |
| Price | 45−65 | 75−100 |
Which One to Choose?
- ESC4000-E11 → Best for budget projects with stable power needs.
- ESC4000A-E12 → Ideal for high-performance, data-driven, or harsh-environment applications.
Both models are backed by ASUS’s 24-month warranty and undergo rigorous quality testing. The E12 is recommended for professional use where reliability and diagnostics are critical, while the E11 provides excellent value for standard applications.
