Power Supplies - Showing 2305 - 2328 of 18356 Products
Refurbished: KHACHIMO Power Supply For VAPEL DC 1213W Power Supply PSR1200-D
- Model #: 759950245152
- Item #: 9SIVB8UKDA9243
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 1U 400W Switching Power Supply FSP400-50UCB FSP300-50UCB
- Model #: 744623316741
- Item #: 9SIVB8UKD64482
- Return Policy: Magicpower Return Policy
Refurbished: For SUN X9684A 300-1449 E220R E420R Server Power Supply 3001449-03, ...
- Model #: 722954725265
- Item #: 9SIVB8UKAA7178
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO P340 P350 P360 M930T 10Pin 750W Power Supply PA-3751-1 VA ...
- Model #: 744623311531
- Item #: 9SIVB8UKD12246
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for R630 R640 Power Supply S26113-E504-V70 W700WC3
- Model #: 792597985920
- Item #: 9SIVB8UKX57407
- Return Policy: Magicpower Return Policy
Refurbished: FLATPACK2 48/3000 HE DC1 241119.906 3000W High Efficiency Power
- Model #: 753525948295
- Item #: 9SIVB8UKA99968
- Return Policy: Magicpower Return Policy
Refurbished: PS-5181-8 VS2 180W Desktop Computer Power Supply
- Model #: 722954733611
- Item #: 9SIVB8UKAA5933
- Return Policy: Magicpower Return Policy
Refurbished: For Power Supply H3C PSR320-A Switch 300W AD671M12-2M1B 661W
- Model #: 722954737176
- Item #: 9SIVSY0KUT7916
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: TPS2500-12D 48-60V 80A 12.3V 203.5A 2500W Switching Power Supply
- Model #: 753525957273
- Item #: 9SIVSY0KUT9989
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: For 6505 ALM2M 23-0000092-02 switching power supply
- Model #: 752804573753
- Item #: 9SIVRWKKXB1715
- Return Policy: Nytke team Return Policy
Refurbished: 5158 5159 39J4951 44V5095 850W I520 P520 P52A Mini Computer Power ...
- Model #: 722954726354
- Item #: 9SIVB8UKAA7315
- Return Policy: Magicpower Return Policy
Refurbished: For sgi power supply AHW5DC252W REV: 03 ECD13050001
- Model #: 752804577201
- Item #: 9SIVRWKKXB2143
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for M530B Communication Monitoring Power Supply Module 19-16V ...
- Model #: 716837094548
- Item #: 9SIVB8UKX62261
- Return Policy: Magicpower Return Policy
Refurbished: For Communication Power Module 3C17265
- Model #: 703454718728
- Item #: 9SIVB8UKAJ6338
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 500W B425 510S T510A Desktop Power Supply FSP500-20TGBAB ...
- Model #: 792597707669
- Item #: 9SIVRWKKXD3685
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 150W Power Adapter LDP-150M214 LDP-150R054
- Model #: 759950248962
- Item #: 9SIVB8UKDF9561
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for D020 T751 V2.0/D030 T501 V2.0 200-700V20A15KW Charging ...
- Model #: 792597721337
- Item #: 9SIVRWKKXD8163
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for C210M1 YH-8651B cage YM-2651B/DR/A10R power module
- Model #: 726099252082
- Item #: 9SIVRWKKXD1527
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 80plus Bronze -5V 400W Switching Power Supply FSP400-60PFG ...
- Model #: 744623300528
- Item #: 9SIVB8UKCU6802
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for M92DC MP23Y FT44X M2G8X AC750EPS-00 H750EPS-00 L750EPS-0 ...
- Model #: 716837091776
- Item #: 9SIVB8UKX61125
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PSU For Liteon SA5212M4 NF5280 8480 M4 500W Switching Power ...
- Model #: 744623301570
- Item #: 9SIVB8UKCV8158
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply For SMU02B1
- Model #: 753525988895
- Item #: 9SIVB8UKAA7691
- Return Policy: Magicpower Return Policy
Refurbished: AEK-3000-48 48V/62.5A/3000W Power Supply 46-51V Adjustable
- Model #: 703454717639
- Item #: 9SIVB8UKAJ6233
- Return Policy: Magicpower Return Policy
Refurbished: LKT50F-525 For Industrial Medical Equipment Power Supply ...
- Model #: 724780778415
- Item #: 9SIVB8UKAA6646
- Return Policy: Magicpower Return Policy
Tips for Buying a Computer Power Supply Unit (PSU)
Introduction
A computer power supply is one of the most crucial components in a computer, as it is responsible for providing stable and regulated power for the system. If you are shopping for a computer power supply, finding the ideal one will require you to consider several important criteria. Those criteria include the size and form factor of the case, the wattage requirement of the system, efficiency, and your internal cabling preference.
Size Standards
Computer power supplies are available in a variety of different sizes and form factors. It is crucial that the power supply unit (PSU) you select matches the size requirements of your case and motherboard. If you have a Mini ITX case for example, you cannot utilize a standard ATX power supply. For more information about power supply form factors, see below.
- ATX
The standard power supply size that will fit most mid-size and full-size tower cases. Some micro ATX cases can utilize ATX power supplies as well. - Mini ITX
Mini ITX power supplies are designed specifically for mini ITX systems but may also fit other small form factor computer cases. - SFX
SFX computer power supplies are smaller than standard ATX PSUs and are meant for micro ATX and other small form factor computer cases. - TFX
Another small form factor computer power supply that is thinner to fit micro ATX, Mini ITX, and other smaller systems.
Wattage
A computer power supply’s wattage rating is a measurement of how much power it can provide to the hardware. When shopping for a power supply, you need to consider how much power your computer system requires. To calculate your system’s power requirement, add up the power draw for all the components.
Start with the motherboard and processor, and then include graphics cards, system memory, storage devices, and other expansion cards. For an even better estimate, you should include USB devices, internal fans, and other accessories. Once you have your estimate, try to find a computer power supply that is capable of at least that. For a larger safety margin, you should get a PSU that is well above that minimum.
Cable Management
There are two cable management options for computer power supplies, modular and non-modular. Modular cabling allows you to connect and disconnect internal power cables from the power supply itself, so you can avoid having unused cables and connectors dangling inside the case. Computer power supplies that feature modular cabling typically cost more than those without it.
Efficiency
The efficiency of a computer power supply is a ratio of how much power it provides and how much power it draws. For instance, a power supply that provides 200 watts of power but pulls 400 watts from a power outlet has a 200/400 or 50% efficiency ratio. The more efficient your computer power supply is, the less it will cost you to operate.
One metric you can use to gauge efficiency is what level of 80 PLUS® certification a power supply has, if it any. The different levels of 80 PLUS certification include 80 PLUS, 80 PLUS Bronze, 80 PLUS Silver, 80 PLUS Gold, 80 PLUS Platinum, and 80 PLUS Platinum. The most basic certification is 80 PLUS, which indicates an efficiency rating of at least 80%. The other certifications rank from Bronze to Titanium, with the latter being the highest attainable. If computer power supply efficiency is a big concern for you, try to find one with a high level of 80 PLUS certification.
