BEQUIET BN234 Straight Power Atx Modular Supply Be Quiet E10-CM-500W

( Brand: Bequiet ), ( Manufacturer Part Number: BN234 ), ( Part Type: Supply ), ( Compatible Brand: Universal ), ( Form Factor: Atx ), ( Maximum Power: 550 W ), ( Color: Black ), ( Features: Modular )

Review BEQUIET Be Quiet Straight Power 500w Atx Modular Supply

The be quiet! STRAIGHT POWER 10 500W ATX Modular Power Supply Unit (PSU), model number BN234, is a premium and quiet solution for powering your PC components. This 500-watt PSU features a modern design with a compact size of just 14cm deep, making it an excellent choice for mid-sized or small form factor cases.

The BN234 is a modular design, allowing you to connect only the cables you need to your components, reducing clutter inside your case. It comes with a total of twelve individually sleeved cables, including two 4 4-pin EPS12V connectors, two ATX 12V 4 4-pin connectors, one 20 4-pin ATX main power connector, and a variety of SATA, Molex, and PCIe connectors.

This PSU is built with high-quality components, ensuring stable and efficient power delivery. It uses a single 12V rail with a capacity of up to 42A, ensuring that your power-hungry components, such as graphics cards or high-end CPUs, receive a consistent power supply. The 80 Platinum certification guarantees an impressive efficiency of up to 92%, which not only saves energy but also reduces heat production.

The BN234 features be quiet!'s proprietary Silent Wings 3 fan, which delivers excellent airflow while keeping operating noise to a minimum. The fan has a fluid dynamic bearing and is controlled by an intelligent fan control circuit, ensuring quiet operation under normal loads.

This PSU is also equipped with a number of protection features, including over voltage (OVP), under voltage (UVP), short circuit (SCP), over current (OCP), over power (OPP), and over temperature (OTP) protection. These features help ensure the longevity and reliability of your components, as well as the safety of your system.

The BN234 is designed and engineered in Germany, and it comes with a 10-year manufacturer's warranty, offering peace of mind for PC enthusiasts and builders. With its high-quality components, modular design, efficient operation, quiet fan, and advanced protection features, the be quiet! STRAIGHT POWER 10 500W ATX Modular Power Supply Unit is an excellent choice for powering your PC system.

The Be Quiet! Straight Power 10 500W (BN234) is a modular ATX power supply unit (PSU) known for its quiet operation and efficient power delivery. Here are some pros and cons that might help you make an informed decision about purchasing this PSU:

1. Quiet Operation: As the name suggests, this PSU is designed to operate quietly. It uses a 135mm double ball fan and efficient components to minimize noise.

2. Modular Design: The modular design of this PSU allows you to use only the cables you need, reducing clutter and improving airflow in your case.

3. High Efficiency: With an 80 Gold certification, this PSU offers high efficiency and converts up to 90% of the input power into usable output power.

4. Protections: The PSU comes with overvoltage, undervoltage, overcurrent, overpower, and short-circuit protections to safeguard your components.

5. Compact Size: The compact size of this PSU makes it suitable for most mid-tower cases.

1. Limited Power Connectors: This PSU comes with a relatively limited number of power connectors. For example, it only has two 4 4-pin EPS12V connectors, which might not be enough for some high-end systems.

2. Price: The Be Quiet! Straight Power 10 500W is not the most affordable PSU in its class. You might find other options with similar specifications at a lower price point.

3. No PCIe Cables Included: This PSU does not come with any PCIe power cables. You will need to purchase them separately if you plan to use a high-end graphics card.

The Be Quiet! Straight Power 10 500W (BN234) is a reliable, efficient, and quiet power supply unit with a modular design. It is an excellent choice if you prioritize quiet operation and a clean build. However, its limited number of power connectors, lack of PCIe cables, and higher price point might be deal-breakers for some.

If you are building a mid-range system and prioritize quiet operation and a clean build, the Be Quiet! Straight Power 10 500W (BN234) is a strong contender. However, if you need more power connectors, consider looking for alternatives with a similar or better feature set but a more extensive connector selection. Additionally, if you are on a tight budget, there are other PSUs with similar specifications that might be more affordable.

Details:

Item is being sold Used. If not in the pictures it is included this particular item. Please refer to pictures for details.

part #: bn234 price

• $69.99

specifications powsuppy:

• brand: Bequiet
• mpn: Bn234
• part type: Supply
• compatible brand: Universal
• form factor: Atx
• maximum power: 550 W
• color: Black
• features: Modular

offer powsuppy:

• quantity: 1
• best offers: True
• options: Ship-to-home
• started: July 10, 2025
• availability: In Stock
• sold: 0

shipping powsuppy:

• type: Calculated
• cost: $0.00
• carrier: USPS
• service: USPS Ground Advantage
• class: Standard
• transit: 5-11 Days

seller powsuppy:

• # reviews: 5737
• rating: 94.6%
• city: Scappoose, Oregon

returns powsuppy:

• policy: No Returns

payments powsuppy:

• other
• wallet: Google-pay
• credit card: Diners-club

general powsuppy:

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

Bequiet BN234 Is Similar To:

• Be Quiet Bn645 Bequiet Straight Power 11 1200w Platinum Psu Pc Supply (66.2% similar) Warning: power supply modular cables are not cross-compatible. A standard PC with one hard drive and graphics card requires 1 atx, CPU, 1-2 VGA satay cable. The typical GPU uses 1-2 VGA cables. Most satay cables have 2-4 connectors, so even a single cable can support multiple drives...(September 15th, 2024)
• Bequiet Bn239 Be Quiet Sfx L Power 600w Psu 80 Plus Gold With All Cables (50% similar) SF l power 600W pus 80 plus gold with all cables. I just removed it from my phantoms evolve shift x PC case and is in perfect working order. It is cleaner than my pic represent and the be quiet logo in middle of fan still has protective clear cover...(March 27th, 2025)
• Be Quiet P13-750w Bequiet Dark Power 13 80 Plus Titanium 750w Fully Modular Atx Supply (49.4% similar) Hello, this power supply has never been opened, however the outside protective plastic got a little scuffed...(February 11th, 2026)