Power Supplies - Showing 1993 - 2016 of 17933 Products
Refurbished: 1pcs for 7932N 7916N POE Recorder Power Supply FSP350-20GSV ...
- Model #: 716837096689
- Item #: 9SIVB8UKX62826
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO X3550 3650 M2 M3 675W Power Supply 7001484-J000 ...
- Model #: 744623312798
- Item #: 9SIVB8UKD19609
- Return Policy: Magicpower Return Policy
Refurbished: For Z420 Power Supply DPS-600UB A 623193-001 632911-001 Fidelity 600W
- Model #: 726727729825
- Item #: 9SIVRWKKXA3081
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO PowerEdge 6800 1570W 7000850-Y000 HJ364 KD175 JD200 ...
- Model #: 759950244926
- Item #: 9SIVB8UKDA9247
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for switching power supply S8JX-P60024C 24V 27A N60024C
- Model #: 792597714896
- Item #: 9SIVRWKKXD6083
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for G10 800W 865436-101 865435-001 866793-001 865438-B21
- Model #: 716837084464
- Item #: 9SIVB8UKX58075
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for P720 P520 900W Server Power Supply DPS-900EB A 54Y8979
- Model #: 726099251856
- Item #: 9SIVRWKKXD1621
- Return Policy: Nytke team Return Policy
Refurbished: For RH2288H RH2285 V2 Server Power Supply PS-2461-7H 460W PN: ...
- Model #: 726727775754
- Item #: 9SIVRWKKXA5035
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO PSU For 3Y 595W Switching Power Supply YM-3591D
- Model #: 744623314334
- Item #: 9SIVB8UKD21815
- Return Policy: Magicpower Return Policy
Refurbished: For G9 1400W Power Supply 720620-B21 733428-101 754383-001 733427
- Model #: 752804572916
- Item #: 9SIVRWKKXB1686
- Return Policy: Nytke team Return Policy
Refurbished: PWS-741P-1R 740W 1U Redundant Power Supply
- Model #: 703454925331
- Item #: 9SIVSYTKUT2388
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
Refurbished: For Z440 Power Supply WS 700W DPS-525AB-3 A 758466-001 753084-001
- Model #: 752804574842
- Item #: 9SIVRWKKXB1939
- Return Policy: Nytke team Return Policy
Refurbished: CRPS 220W Switching Power Supply M1Y-2222G
- Model #: 753525943832
- Item #: 9SIVB8UKAA5296
- Return Policy: Magicpower Return Policy
Refurbished: New For Artesyn Power Supply LPS43
- Model #: 753525991994
- Item #: 9SIVB8UKAA8228
- Return Policy: Magicpower Return Policy
Refurbished: For D30 workstation power supply DPS-1120AB A 54Y8903 54Y8845 1120W
- Model #: 726099254130
- Item #: 9SIVRWKKXD2061
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for ETP4890-A2 Switching Power Supply 48V90A R4830G
- Model #: 716837094463
- Item #: 9SIVB8UKX62119
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for TS430 TS530 GPS-400CB B A 400W ATX Power Supply REV36002256
- Model #: 716837092490
- Item #: 9SIVB8UKX61394
- Return Policy: Magicpower Return Policy
Refurbished: 650W For JPSU-650W-AC-AFI FS9022 740-044332 QFX5100 AC Power Supply
- Model #: 753525933680
- Item #: 9SIVB8UKA99170
- Return Policy: Magicpower Return Policy
Refurbished: GE CAR1121DCBL5Z02A Power Module
- Model #: 722954721120
- Item #: 9SIVB8UKAA6765
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply Module For HD48100-5
- Model #: 753525991857
- Item #: 9SIVSY0KUV7728
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: CP1800AC52 CP1800AC52-H Power Supply For TYCO 44-58V MAX 1800W ...
- Model #: 753525933826
- Item #: 9SIVT8HKWF2616
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: KHACHIMO Power Supply For PHIHONG PSA-110-401-1
- Model #: 759950241437
- Item #: 9SIVB8UKDA8715
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for ZHR486K communication power supply 48V 100A
- Model #: 792597720378
- Item #: 9SIVRWKKXD7805
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 510S M420 700-24AGR 6Pin 260W Power Supply PA-1261-7 ...
- Model #: 744623299075
- Item #: 9SIVB8UKCU6559
- 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.
