Thermalright SG 650W 80+ Gold – Full Modular Gaming PSU

About the Thermalright SG 650W 80+ Gold

The Thermalright SG 650W 80+ Gold is a full modular power supply built for mid-range gaming systems that need reliable power without overspending. This 80plus gold PSU combines Japanese capacitors with smart thermal management to deliver stable power for previous-gen RTX 40 Series builds and newer RTX 50 Series / Radeon RX 9000 Series systems. The compact 150mm depth fits most cases while full modular cables keep cable management simple for first-time builders. It's positioned as one of the best 650W power supply options for gamers who want premium features at a sensible price point.

What This Thermalright SG 650W 80+ Gold Does for You

This PSU powers your gaming rig efficiently with 80+ Gold certification that reduces heat and electricity costs over Bronze-rated units. The ATX 3.1 specification handles modern graphics cards' transient power spikes up to 200%, so your GPU won't crash during demanding scenes. Full modular cables mean you only connect what you need—no cable clutter choking airflow in your case. The smart fan start/stop function runs completely silent during web browsing or light work, then spins up only when your custom PC Singapore build needs active cooling. Japanese 105°C main capacitors extend lifespan beyond typical budget PSUs.

Build Quality and Design

LLC Resonant topology with DC-DC circuit design maintains stable voltage rails under load swings. Six layers of protection (OPP/OVP/OTP/OCP/SCP/UVP) guard your components from power anomalies. The 120mm fan uses fluid dynamic bearings rated for over 100,000 hours of operation. At 150mm depth, this unit fits cases that struggle with longer PSUs while delivering 650W through high-quality Japanese capacitors. The white exterior matches modern clean-aesthetic builds without adding cost.

Perfect For

• Mid-range gaming PCs that need efficient power for long sessions. Ideal for 1440p gaming systems.
• First-time builders who want full modular cables for easier assembly and cleaner results without paying premium prices.
• Small form factor builds where the 150mm depth and modular cables help maximize limited case space and airflow.
• Users upgrading from older Bronze-rated or non-modular PSUs who want better efficiency and cable management.

Why Buy from Mansa Computers

• 5-year Thermalright Singapore warranty with local service support
• Fast WhatsApp inquiry response for compatibility questions
• Open 7 days a week for support and technical advice
• Home delivery available across Singapore

Technical Specifications Summary

Wattage
650W

Efficiency
80 PLUS Gold Certified

Modular Design
Full Modular

ATX Standard
ATX 3.1 (200% Power Excursion)

Cooling
120mm Smart Fan (Start/Stop)

Capacitors
Japanese 105°C Rated

Dimensions
150 x 140 x 86mm

MTBF
100,000+ Hours

The SG 650W 80+ Gold gives you enthusiast-grade components and features at a builder-friendly price. Message us on WhatsApp for compatibility checks or order online for fast home delivery across Singapore.

Model
SG 650 White

Brand
Thermalright

Dimension (L x W x H)
150 x 140 x 86 ±1 mm

Wattage
650W

Efficiency
80 PLUS GOLD

Modular
Full-Modular

Input Voltage
100-240Vac

Input Current
10-5A

Input Frequency
47-63Hz

Fan Size
120 mm

Operating Temperature
0-40°C

MTBF
>100K Hours

Protections
OPP/OVP/OTP/OCP/SCP/UVP

Compatibility
Fully Compatible with Intel ATX 3.1 Specification (Supports up to 200% Power Excursion)

Design
LLC Resonant + DC-DC Circuit Design

Components
Japanese Main Capacitors Rated for 105°C

Voltage Design
100–240V Full Voltage

Cooling
Smart Fan Start/Stop Function

Connectors Included
1 × 20+4 Pin MB (600mm)
1 × 4+4 Pin CPU (600 + 150 mm)
2 × PCIe 6+2 Pin (650+150mm)
2 × SATA (450 + 150mm x 3)
1 × PATA (500 + 150mm x 2)

5 YEARS WARRANTY 

Tech Dynamic Pte Ltd
514 Chai Chee Ln #05-09, Singapore 469029
Contact: 6717 3000

Frequently Asked Questions About Thermalright SG 650W 80+ Gold

Does this PSU support RTX 5070 graphics cards?

Yes, the Thermalright SG 650W 80+ Gold supports RTX 5070 and similar mid-range GPUs. ATX 3.1 compliance handles transient power spikes up to 200%, which modern graphics cards produce during demanding gaming scenes.

What gaming builds work best with 650W?

This PSU suits mid-range gaming systems with RTX 5060 Ti, RTX 5070, or RX 9070 XT graphics. Pair it with Ryzen 5 or Intel Core i5 processors for balanced 1440p gaming performance without power concerns.

Will this fit in my case?

At 150mm depth, this PSU fits most ATX and many compact cases. Check your case specifications for PSU clearance—most modern cases support at least 160mm depth. Contact us on WhatsApp if you need compatibility confirmation.

What warranty does this come with?

You get 5-year Thermalright Singapore warranty with local service support. Mansa Computers handles warranty claims directly, and we're open 7 days a week if you need assistance with any power supply issues.

How does this compare to Corsair or Cooler Master budget PSUs?

This offers full modular cables where competing budget PSUs are semi-modular or fixed-cable. ATX 3.1 support and Japanese capacitors match features from higher-priced units, making it a strong value choice for builders.

How long will it take to receive my purchase?

Standard Shipping - 3 to 5 days
Express Shipping - 1 to 2 days

Can I opt for store pickup?

Yes, we are open daily for collection from 11 AM - 6.30 PM.

Address: 1 Ubi View #01-22, Focus One Building Singapore 408555 (Door located nearest to carpark exit gantry)

We will contact you once your order is ready for collection!