DELL JY138 Power Supply 490W 8.5A 60HZ 240V N490P-00

( Brand: Dell ), ( Manufacturer Part Number: JY138 ), ( Connectors: 24 Pin ), ( Compatible Brand: For Dell ), ( Voltage Compatibility: 240 V ), ( Type: Power Module ), ( Maximum Power: 490 W ), ( Color: Silver )

Review DELL 490w 8.5a 60hz 240v Power Supply Untested

The Dell JY138 490W 8.5A 60Hz 240V Power Supply, model number N490P-00, is a high-performance, reliable power solution designed specifically for Dell systems. This power supply delivers an output power of 490 watts and is capable of providing a maximum current of 8.5 amperes. It operates at a standard frequency of 60Hz and is compatible with a 240V power source.

The power supply features a universal AC input that automatically adjusts to different electrical outlets, making it a versatile option for use in various locations. It is designed with a high efficiency level, which helps to reduce energy waste and lowers operating temperatures. This results in a longer lifespan for the power supply and reduced energy consumption.

The N490P-00 power supply comes with advanced protection features, including over voltage protection, under voltage protection, short circuit protection, and over temperature protection. These features help prevent damage to the connected components and ensure the safe operation of the system.

The power supply also features a compact design, making it easy to install and fit into tight spaces. It is constructed with high-quality components and undergoes rigorous testing to ensure reliable performance and durability.

The Dell JY138 490W 8.5A 60Hz 240V Power Supply is an essential component for powering Dell systems and is suitable for use in various applications, including desktop computers, workstations, and servers. Its high power output, advanced protection features, and compact design make it an ideal choice for users who require a reliable and efficient power solution.

Dell JY138 490W Power Supply (N490P-00): A Detailed Analysis

The Dell JY138 490W power supply unit (PSU) with model number N490P-00 is a popular choice among computer builders and upgraders. In this analysis, we'll discuss the key features, pros, cons, and an ending conclusion to help you make an informed decision about purchasing this power supply.

1. 490-watt maximum power output

2. 8.5A 12V rail (single 12V rail)

3. 60Hz, 240V input voltage

4. 80 PLUS Bronze certified for energy efficiency

5. Active PFC (Power Factor Correction)

6. Modern form factor (II)

7. Overvoltage, overcurrent, and short-circuit protection

8. 7-year warranty

1. High power output: The Dell JY138 490W PSU can power most modern computer systems, including high-end GPUs and CPUs.

2. Single 12V rail: This design enables stable power delivery to components that require high power consumption, such as GPUs.

3. Energy efficiency: The 80 PLUS Bronze certification ensures that the power supply is energy-efficient and saves electricity.

4. Modern form factor: The II form factor allows for better cable management and a more compact build.

5. Protections: Overvoltage, overcurrent, and short-circuit protection safeguard the components against potential damage.

6. Warranty: The 7-year warranty provides peace of mind and covers potential issues that might arise during this period.

1. Limited connectors: This power supply comes with fewer connectors than some other models in the same power range, which might require purchasing additional adapters or custom cables.

2. Loud operation: Some users have reported that the power supply can be noisier than expected, especially when under heavy load.

3. Limited compatibility: The Dell JY138 490W PSU might not be compatible with some older or specialized components, such as certain high-end graphics cards or specialized peripherals.

The Dell JY138 490W power supply (N490P-00) delivers a high power output, energy efficiency, and essential protections, making it an excellent choice for most modern computer systems. However, it comes with some limitations, such as fewer connectors and potential noise under heavy load. Ultimately, the decision to buy this power supply depends on your specific build requirements, budget, and tolerance for noise. If the pros outweigh the cons for your system, the Dell JY138 490W power supply is a worthwhile investment.

Details:

Untested and pulled from a unit that was sitting for while but stored in an office back room. Comes with unit and back cables.

part #: jy138 prices

• $37.50-$69.69

specifications powsuppy:

• brand: Dell
• mpn: Jy138
• connectors: 24 Pin
• compatible brand: For Dell
• voltage compatibility: 240 V
• type: Power Module
• maximum power: 490 W
• color: Silver

returns powsuppy:

• policy: No Returns

general powsuppy:

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

shipping powsuppy:

• type: Calculated
• service: USPS Ground Advantage
• cost: $18.15
• class: Standard
• transit: 9-13 Days
• carrier: USPS

offer powsuppy:

• best offers: True
• options: Ship-to-home
• sold: 0
• started: January 15, 2026
• quantity: 1
• availability: In Stock

seller powsuppy:

• rating: 100.0%
• # reviews: 357
• city: Moorpark, California

payments powsuppy:

• credit card: Visa
• other
• wallet: Apple-pay

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