1. Computer Power Supplies Parts
  2. sku: 7265424849505502
  3. ANTEC SG-650

ANTEC SG-650 Atx Power Supply

Sg-650 Antec Signature Series Atx Power Supply

( Brand: Antec ), ( Manufacturer Part Number: SG-650 ), ( Model: ANTEC SG-650 ), ( Connectors: 20 4 Pin, 6 2 Pin Pci Express, Sata I ), ( Compatible Brand: Universal ), ( Form Factor: Atx ), ( Type: Power Module ), ( Maximum Power: 650 W ), ( Unit Type: Unit )

Review ANTEC Signature Series Atx Power Supply

The ANTEC SG-650 is a high-performance, quiet, and efficient ATX power supply unit (PSU) designed for modern computing systems. This power supply offers a total capacity of 650 watts, making it suitable for most mid-range to high-end desktop configurations.

The SG-650 is built with top-tier components, including Japanese capacitors that ensure reliability and longevity. It utilizes an Active Clamp Forward Buck topology, which provides stable and clean power delivery to the system components. This design also results in minimal voltage fluctuation, ensuring optimal performance and stability under various loads.

The ANTEC SG-650 features a 80 Gold certification, indicating an efficiency of at least 90% under typical loads and 92% under full load. This not only reduces energy waste but also lowers operating temperatures, contributing to increased component lifespan and reduced noise levels.

The power supply employs a quiet 120mm Fluid Dynamic Bearing (FDB) fan, which delivers efficient cooling while minimizing fan noise. The fan speed is automatically adjusted based on the power load and temperature conditions, ensuring quiet operation under normal usage. Additionally, the fan can be manually controlled using the included fan speed switch.

The SG-650 offers a variety of connectors to accommodate various components, including one 24-pin ATX main power, two 4 4-pin EPS12V, eight 6 2-pin PCIe, and multiple SATA and peripheral connectors. This versatility makes the power supply compatible with a wide range of systems, from entry-level desktops to complex workstations and gaming rigs.

The power supply housing is constructed of heavy-gauge steel and features a modular design for easy cable management. This not only enhances the aesthetics of your build but also simplifies cable routing and improves airflow within the case.

The ANTEC SG-650 is backed by a 5-year manufacturer's warranty, ensuring peace of mind and reliable power delivery for your system. This power supply is an excellent choice for those seeking a high-performance, quiet, and efficient power solution for their desktop computing needs.

The ANTEC SG-650 is a mid-tier ATX power supply unit (PSU) that offers several advantages and disadvantages for potential buyers. Here are some of the key pros and cons of this power supply unit:

Pros:

1. High Efficiency: The ANTEC SG-650 has an 80 Gold certification, meaning it converts up to 90% of the input power into usable output power under typical loads. This results in increased energy efficiency, lower power consumption, and reduced heat output.

2. Quiet Operation: ANTEC is known for its quiet power supplies, and the SG-650 is no exception. It uses a fluid dynamic bearing fan that operates at low RPMs to keep the noise levels low.

3. Compact Design: This power supply has a compact size that makes it suitable for small form factor builds or cases where space is a concern.

4. Protections: The ANTEC SG-650 comes with various protections, such as over-current, over-voltage, under-voltage, over-temperature, and short-circuit protections, ensuring that the components in your system are safe from damage.

5. Good Price-to-Performance Ratio: The ANTEC SG-650 offers a good balance between performance and price, making it a reasonable choice for budget-conscious builders.

Cons:

1. Modular Cables: While the modular design of the cables is beneficial in terms of cable management, some users have reported issues with the connectors not locking securely into the power supply.

2. Limited Power Delivery: With a maximum capacity of 650 watts, this power supply may not be sufficient for high-end builds that require more power.

3. Limited Connectors: The ANTEC SG-650 comes with only one 4 4-pin EPS12V connector, which may not be enough for some high-end motherboards that require two or more EPS12V connectors.

4. Limited PCIe Connectors: This power supply comes with only one PCIe 6 2-pin connector, which may not be sufficient for multi-GPU setups or high-end graphics cards that require multiple connectors.

In conclusion, the ANTEC SG-650 offers a good balance between performance, efficiency, and price. Its quiet operation, compact design, and various protections make it an attractive choice for budget-conscious builders who prioritize energy efficiency and cable management. However, its limited power delivery and connector options may not make it the best choice for high-end builds or those that require multiple graphics cards or EPS12V connectors.

Recommendation:

If you're building a budget system and prioritize energy efficiency, quiet operation, and cable management, the ANTEC SG-650 is a solid choice. However, if you're building a high-end system that requires more power and multiple connectors, you may want to consider a higher-wattage and more feature-rich power supply unit.

Details:

With a maximum power output of 650W, it features multiple connectors including 6/2 Pin PCI Express, SATA I, and 20 4 ATX. Compatible with universal brands, this ATX form factor unit is ideal for providing reliable and efficient power to your computer system. The Antec SG-650 Signature Series ATX Power Supply is a high-quality power module designed for computer systems. The Antec SG-650 is a top choice for those looking dependable power supply their computing needs.

part #: sg650 prices

  • $11.00-$35.00

specifications powsuppy:

  • brand: Antec
  • mpn: Sg-650
  • model: Antec Sg-650
  • connectors: 20 4 Pin, 6 2 Pin Pci Express, Sata I
  • compatible brand: Universal
  • form factor: Atx
  • type: Power Module
  • maximum power: 650 W
  • unit type: Unit

returns powsuppy:

  • time: 30 Days
  • policy: Returns Accepted
  • method: Money back
  • paid by: Buyer

payments powsuppy:

  • wallet: Paypal
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general powsuppy:

  • condition: Used
  • Computers/Tablet's Networking > Computer Components Parts > Power Supplies

offer powsuppy:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • started: May 23, 2025
  • best offers: True

shipping powsuppy:

  • type: Calculated
  • carrier: USPS
  • transit: 5-10 Days
  • cost: $10.16
  • service: USPS Ground Advantage
  • class: Standard

seller powsuppy:

  • city: Ellington, Connecticut
  • rating: 100.0%
  • # reviews: 2344
connectors: 20 4 pin, 6 2 pin pci express, sata i, compatible brand: universal, form factor: atx, type: power module, maximum power: 650 w, unit type: unit,
category: computers > computers/tablets networking > computer components parts > power supplies, sku: 7265424849505502,

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3 offers $11.00–$35.00 USD
  • Offer #1: $35.00 price + $7.57 shipping estimate = $42.57* total. Works great! Tested recently, just don t need it! Will negotiate!.+$7.57 shipping
  • Offer #2: $11.00 price + $5.62 shipping estimate = $16.62* total.+$5.62 shipping
  • Offer #3: $14.12 price + $9.99 shipping estimate = $24.11* total. Compatible With Seasonic.+$9.99 shipping

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