Xpert RC GS-6401-HV

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Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	GS-6401-HV
Category	Hobby
Performance
Torque	8.4V 416.70 oz-in 7.4V 367.11 oz-in 6.0V 297.66 oz-in Above Average
Speed	8.4V 0.06 sec/60° 7.4V 0.07 sec/60° 6.0V 0.09 sec/60° Above Average
Physical
Weight	2.47 ozBelow Average
Dimensions	L 1.575 in W 0.787 in H 1.488 in
Case Material	Aluminum / Plastic
Drivetrain
Motor Type	Brushless
Gears	Metal
Control & Signal
Modulation	Digital
Neutral Position	1520 µs
Refresh Rate	400 Hz
Control System	PWM
Electrical & Environment
Operating Voltage	6–8.4 V
Water Rating	Waterproof
Origin
Country of Origin	USA

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Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

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*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 67% of 1060 Digital Standard servos at 6.0V
Speed	Above Average Faster than 85% of 1045 Digital Standard servos at 6.0V
Weight	Below Average Lighter than 34% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	6.40–12.43 W
Power Density	6.738 W/in³ More power-dense than 90% of 1768 Digital Standard servos
Torque Density	4.2523 oz-in/g Stronger than 66% of 1053 Digital Standard servos
Torque-to-Volume Ratio	161.39 oz-in/in³ Denser torque than 70% of 1058 Digital Standard servos
Speed-to-Weight	0.16611 (1/sec·g) Faster than 80% of 1038 Digital Standard servos
Speed-Torque Trade-off	25.60 Better balanced than 45% of 1034 Digital Standard servos
Torque Gain per Volt	16.66%/V More voltage-responsive (torque) than 58% of 873 Digital Standard servos
Speed Gain per Volt	16.12%/V More voltage-responsive (speed) than 53% of 874 Digital Standard servos
Voltage Range Width	2.4 V Wider voltage range than 51% of 1560 Digital Standard servos