Dell Power Supply 240W ATX SFF M-ITX D240A002L RV1C4 2TXYM DELL Computer Power Supply 3WN11
-DELL 3WN11 H240AS-00 Computer Power Supply
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 240W ATX SFF M-ITX D240A002L RV1C4 2TXYM. Fully Modular Cable Management, 80 Plus Gold-Certified to Deliver over 90% Efficiency ...
DELL 3WN11 Computer Power Supply
|Brand:||DELL Computer Power Supply|
Can replace the following Part Numbers :RV1C4 0RV1C4 J50TW 0J50TW 2TXYM 02TXYM 3WN11 03WN11 709MT 0709MT 592JG 0592JG 66VFV 066VFV CN-03WN11 AC240AS-00 D240A002L L240AS-00 AC240ES-00 H240AS-00 H240ES-00 D240ES-00 DPS-240WB
Fits the Following Laptop Models :Dell Optiplex 790 and 990 Small Form Factor (SFF)
Max Power Output: 240W
1x 24-Pin ATX Motherboard Power Connector
2x Serial ATA (SATA) Connector
1x 4 Pin ATX +12V Power Connector
1x MINI SATA (Internal)
This unit came out of a working Dell optiplex small form factor 790.
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.
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.
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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