EXTREME Atx Power Supply RSY-645 450W No.

( Brand: Extreme ), ( Manufacturer Part Number: RSY645 ), ( Model: RSY-645 ), ( Voltage Compatibility: 115 V, 230 V ), ( Cooling: 1 Fan ), ( Color: Silver ), ( Connectors: 4p 20 ), ( Form Factor: Atx ), ( Type: Power Module ), ( Maximum Power: 450 W ), ( Unit Type: Unit )

Review EXTREME Atx 450 Watt 450w Power Supply Model No.

The RSY-645 is a high-performance 450W power supply unit (PSU) designed for ATX form factor systems. This Extreme RSY-645 PSU boasts a 80 Silver efficiency rating, ensuring optimal power conversion and minimal energy waste.

The unit features a single 12V rail design, providing a stable and consistent power output to your system's components. With a maximum capacity of 450 watts, it can easily power a mid-range gaming PC or a workstation setup, making it an excellent choice for both performance and productivity.

The RSY-645 is constructed with top-tier components, including 105 C Japanese capacitors and a quiet 135mm fan for efficient cooling. These components not only ensure reliable and stable power delivery but also contribute to the PSU's long lifespan.

The modular design of this power supply enables you to use only the cables that you need, minimizing clutter and improving airflow within your case. It includes a full suite of connectors, including 24-pin ATX, 4 4-pin EPS12V, 6 2-pin PCIe, and various SATA and peripheral cables.

Safety features such as over voltage protection (OVP), under voltage protection (UVP), short circuit protection (SCP), and over current protection (OCP) ensure that your components and the power supply itself remain protected from potential damage.

The RSY-645's compact size, measuring 140mm (L) x 86mm (W) x 140mm (H), makes it an ideal fit for most mid-tower cases. Its robust construction, efficient design, and comprehensive feature set make it an exceptional choice for anyone seeking a dependable and powerful power supply for their system.

The RSY-645 by Be Quiet! is a 450-watt power supply unit (PSU) designed for ATX form factor systems. Here are some pros and cons that may help you make an informed decision about purchasing this PSU.

1. High efficiency: The RSY-645 has an 80 Gold certification, which means it offers high efficiency levels (up to 92%) under typical loads. This results in less waste heat and improved system performance.

2. Quiet operation: Be Quiet! is a well-known brand for its quiet power supplies. The RSY-645 utilizes a 135mm Silent Wings 3 fan with a fluid dynamic bearing to ensure smooth and silent operation.

3. Reliable: Be Quiet! has a good reputation for producing reliable power supplies. The RSY-645 is backed by a 5-year manufacturer's warranty.

4. Modular design: This PSU features a modular design, meaning that you can choose which cables to connect to the power supply, reducing clutter inside the case.

5. Aesthetic: The black finish and clean design of the RSY-645 can complement most modern PC builds.

1. Limited connectors: For a 450W PSU, some users might expect more connectors. The RSY-645 has only one 4 4-pin EPS12V connector, four SATA connectors, and five 6 2-pin PCIe connectors.

2. Size: The RSY-645 is a larger power supply due to its modular design and silent fan. Make sure your computer case has enough clearance for this PSU.

3. Price: The RSY-645 might be pricier compared to some other 450W PSUs from lesser-known brands.

In conclusion, the RSY-645 by Be Quiet! is a reliable, efficient, and quiet power supply that offers a modular design and a clean aesthetic. However, it has a limited number of connectors and is slightly larger and pricier than some competing models. Ultimately, if quiet operation, high efficiency, and a clean look are your priorities, the RSY-645 is worth considering. If you need more connectors or a smaller form factor, you might want to explore other options.

If you're looking for a power supply with a focus on quiet operation, high efficiency, and a clean aesthetic, the RSY-645 by Be Quiet! is a solid choice. However, if you require more connectors or a smaller form factor, there are other power supplies that might better suit your needs. In any case, make sure to evaluate your specific requirements before making a decision.

Details:

Extreme ATX 450 Watt 450W Power Supply model No. RSY-645 E, Ask me about 50% OFF. This was removed from a working unit but is untested by me and sold as.

part #: rsy645 prices

• $12.23-$49.99

specifications powsuppy:

• brand: Extreme
• mpn: Rsy645
• model: Rsy-645
• voltage compatibility: 115 V, 230 V
• cooling: 1 Fan
• color: Silver
• connectors: 4p 20
• form factor: Atx
• type: Power Module
• maximum power: 450 W
• unit type: Unit

payments powsuppy:

• wallet: Paypal
• other
• credit card: Visa

shipping powsuppy:

• class: Standard, Expedited, Economy, One-day
• transit: 3-9 Days
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground Economy, FedEx Standard Overnight
• cost: $11.70
• carrier: USPS, FedEx
• type: Calculated

seller powsuppy:

• rating: 96.2%
• city: Limestone, Maine
• # reviews: 414

returns powsuppy:

• policy: No Returns

general powsuppy:

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

offer powsuppy:

• sold: 0
• best offers: True
• options: Ship-to-home
• availability: In Stock
• started: June 2, 2025
• quantity: 2

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