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The T-REX 500’s cyclic and tail servos each have different speed and torque priorities — cyclic servos need to be fast and precise for flybarless flight control, while tail servos need to be extremely fast to counter torque changes. Align’s own current-generation servos are the factory standard, but several third-party options have strong community track records.
| # | Product | Price | Where to buy |
|---|---|---|---|
| 1 | Align DS530M HV Cyclic Servo | $60–$80 | Amazon · eBay |
| 2 | Align DS535M HV Rudder Servo | $60–$80 | Amazon |
| 3 | Futaba S9650 Servo | $50–$70 | Amazon · eBay |
| 4 | Hitec HS-5245MG Servo | $40–$60 | Amazon · eBay |
| 5 | Align DS510 Servo | $35–$55 | Amazon · eBay |
The picks, in detail
Align DS530M HV Cyclic Servo
Align’s current factory-standard cyclic servo, supporting high-voltage input for superior responsiveness and torque.
- High-voltage support up to 8.4V
- High torque output
- Digital metal-gear construction
- Factory-matched performance for the T-REX 500X
- High-voltage support improves response speed
- Reliable, well-tested by Align directly
- Premium price for the factory-matched option
- Requires an HV-capable power system to get full benefit
Align DS535M HV Rudder Servo
Align’s matched high-voltage tail servo, built for the extreme speed needed to counter torque reactions in real time.
- High-voltage support up to 8.4V
- Extreme-speed digital response
- Purpose-built for tail rotor control
- Matched performance with the DS530M cyclic set
- Fast enough response for aggressive flybarless flying
- Factory-standard reliability
- Same HV power system requirement as the DS530M
- Premium pricing versus third-party tail servos
Futaba S9650 Servo
A well-regarded third-party cyclic servo with a strong community track record specifically on the T-REX 500.
- High-speed digital response
- Metal gear construction
- Reliable Futaba build quality
- Proven track record from long-time T-REX 500 pilots
- Trusted Futaba reliability
- Good alternative if you’re not on an Align HV power system
- Not purpose-matched to the T-REX 500 like Align’s own servos
- Community-reported results vary by exact power setup
Hitec HS-5245MG Servo
Frequently cited as the most commonly used third-party cyclic servo among T-REX 500 pilots on hobby forums.
- Metal gear construction
- Digital response
- Compact form factor
- Most commonly reported cyclic servo choice in T-REX 500 communities
- Good balance of price and reliability
- Compact size fits the T-REX 500’s frame well
- Not high-voltage rated like Align’s current servos
- Response speed trails the newer HV-capable options
Align DS510 Servo
The servo that shipped standard on the T-REX 500 ESP, reported by owners to work well without needing an upgrade.
- Digital response
- Align factory-standard on ESP models
- Metal gear construction
- Proven factory-standard performance on the ESP variant
- No upgrade needed if you’re satisfied with stock performance
- Align-matched reliability
- Not the HV-capable current-generation servo (DS530M/DS535M)
- Being phased out in favor of newer Align HV servos
Buying tips
- If you’re running an HV (high-voltage) power system, the Align DS530M/DS535M pairing gets the most benefit — mixing HV servos with a standard-voltage system wastes their speed advantage.
- Tail servos need to be noticeably faster than cyclic servos to counter torque reactions in real time — don’t substitute a cyclic-rated servo for the tail position.
- Budget-conscious pilots can safely start with Hitec HS-5245MG or the stock Align DS510 and upgrade to HV servos later once flying style demands the extra speed.
As an Amazon Associate and eBay Partner, toptenpick.com earns from qualifying purchases. Prices and availability are subject to change.