Dell Power Supply 3WN11 592JG 2TXYM H240AS-00 240W ATX SFF M-ITX D240A002L DELL Computer Power Supply 3WN11

-DELL 3WN11 H240AS-00 Computer Power Supply

SKU: DEL17530_Se
Order it now, Fast delivery !
Today Price: GBP 43.00
Reg. price: GBP 76.00
1 year warranty

Whether you’re building a basic desktop or a power-house gaming PC, choosing the right PC power supply unit (PSU) is an important decision. Here we have PSUs for Dell Power Supply 3WN11 592JG 2TXYM H240AS-00 240W ATX SFF M-ITX D240A002L. Fully Modular Cable Management, 80 Plus Gold-Certified to Deliver over 90% Efficiency ...

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DELL 3WN11 Computer Power Supply

Product Details
Brand: DELL Computer Power Supply
Type: GSB229
Input Voltage: 100-240V
DC Outpu: 240W
* Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.

Can replace the following Part Numbers :

1200503 H240AS-00 3WN11 H240AS-00 2TXYM 709MT RV1C4 J50TW 2TXYM 3WN11 709MT 592JG 66VFV AC240AS-00 L240AS-00 AC240ES-00 H240AS-00 H240ES-00 D240ES-00 DPS-240WB

Fits the Following Laptop Models :

Compatible Systems For
Optiplex 790 Small Form Factor (SFF)
Optiplex 990 Small Form Factor (SFF)

P1 - 24-Pin ATX Power
P2 - 4-Pin ATX Power
P3 - SATA Power
P4 - SATA Power
P5 - 2-pin Slim Line SATA

Why You Need A High Quality PSU ?

The role of a PC power supply unit is to convert the AC electric power that comes from the mains to the DC power that the computer requires. But it can do much more than that. A good quality power supply can make your system more efficient, stable and reliable.

Choosing Your Power Supply

Firstly, ensure you select a PSU from a reputable manufacturer.


When choosing a PSU the output is very important. This output is listed as watts and should be greater than the combined wattage of all the components in your system plus 40 to 60%. Very simplistically speaking the more demands you place on your system the higher the wattage of the PC power supply unit should be. For example, a high end gamer will require a far higher wattage than a home user who surfs the net and does some word processing.

Energy Efficiency

But it isn't all about the wattage. Efficiency is important so look for PSUs that have the 80 Plus certification. This indicates that the PSU will waste less energy than other units making it cheaper to run and much more reliable.
PSU Cabling

There are different types of PSU and cabling. Fully modular power supply units enable the user to remove surplus cables from the case, whilst a semi modular PSU has a mix of detachable and hard wired, or permanent, cables.

The third option is a fully wired PSU which, as the name suggests, does not allow any cables to be disconnected. Of the three the fully modular unit is the most versatile.

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