Power Supplies - Showing 1993 - 2016 of 17940 Products
Refurbished: For HAC250P-490(E)/PS3314 PCI254-1022-4-PSN 250W
- Model #: 726727821222
- Item #: 9SIVRWKKXB1545
- Return Policy: Nytke team Return Policy
Refurbished: BESTEC 300W Power Supply ATX0300F5WB ATX0250F5WA ATX-250-12Z ...
- Model #: 753525936087
- Item #: 9SIVB8UKA99425
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO DS-9124 9134 9148 300W Power Supply DS-C48-300AC ...
- Model #: 759950239878
- Item #: 9SIVB8UKDA0324
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS C9K-PWR-650WAC-R 650W C9500 Series AC Power Supply
- Model #: 753525933055
- Item #: 9SIVB8UKA99119
- Return Policy: Magicpower Return Policy
Refurbished: B425 Aircross 510S FSP500-20TGBAB HK280-72PP Desktop 10 Pin Power ...
- Model #: 722954729287
- Item #: 9SIVB8UKAA5495
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for P920 workstation power supply S26113-E564-V70-01 CPB09-045B ...
- Model #: 716837083009
- Item #: 9SIVB8UKX57510
- Return Policy: Magicpower Return Policy
Refurbished: MMC100-1 For COSEL Original Disassembly Switching Power Supply 5V+-12V ...
- Model #: 753525957204
- Item #: 9SIVB8UKAA8971
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for RH2288H V5/6 PAC2000S12-T1 T2 Server Titanium Power Module ...
- Model #: 792597725830
- Item #: 9SIVRWKKXD9495
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO Power Supply For 12V29A 350W Power Supply S8FS-C35012-400
- Model #: 759950246753
- Item #: 9SIVB8UKDA9439
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for 00ND095 02CL197 00DH517 840 900 Battery
- Model #: 792597722525
- Item #: 9SIVRWKKXD8465
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for HSP960-D1205A 5300V3/5500V5-960W storage power ...
- Model #: 792597719730
- Item #: 9SIVRWKKXD7632
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for TFXH5181A TF830-V050GW-T200SPHA TFXH5201A Power Supply
- Model #: 792597983414
- Item #: 9SIVB8UKX56894
- Return Policy: Magicpower Return Policy
Refurbished: For LAMBDA 12V 100W 8.5A AC100-120V Power Supply For HK100A-12
- Model #: 753525990119
- Item #: 9SIVB8UKAA7822
- Return Policy: Magicpower Return Policy
Refurbished: 3Y RG-S6500-4C 700W Power Supply RG-PA700I-F YM-2701Q
- Model #: 753525943245
- Item #: 9SIVB8UKAA5258
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for DPS-220BB C DPS-220BBC SS-400H2U SDD-300-48 ST-PO350WAB ...
- Model #: 716837086260
- Item #: 9SIVB8UKX58920
- Return Policy: Magicpower Return Policy
Refurbished: T5500 T5400 Workstation Power Supply H875EF-00 N875EF-00 875W J556T
- Model #: 722954988066
- Item #: 9SIVB8UKAA6555
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PowerEdge SC1435 600W Switching Power Supply H600P-00 ...
- Model #: 744623314952
- Item #: 9SIVSY0KUU0550
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1PCS for MG1X/RG1X/G1X/R1X-1060V12 (ROHS) 60W Power Supply ...
- Model #: 792597710034
- Item #: 9SIVRWKKXD4118
- Return Policy: Nytke team Return Policy
Refurbished: LED Power Supply For INVENTRONICS 350W Power Supply EUB-096S350SV
- Model #: 722954989315
- Item #: 9SIVB8UKAJ5567
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for S8610E S8607E 7805 RG-PA600-RI switching power module 600W
- Model #: 792597725649
- Item #: 9SIVRWKKXD9392
- Return Policy: Nytke team Return Policy
Refurbished: New Switching Power Supply S8FS-C03512J-400 For 35W 12V AC100240V ...
- Model #: 753525990676
- Item #: 9SIVB8UKAA7904
- Return Policy: Magicpower Return Policy
Refurbished: Communication Power Module R48-3000A3 3000W
- Model #: 724780183585
- Item #: 9SIVT8HKWF3075
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: 1 PCS XR1648B Communication Power Module For POWER ONE
- Model #: 753525934144
- Item #: 9SIVT8HKWF2805
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: M800D Communication Power Monitoring Module
- Model #: 753525958140
- Item #: 9SIVT8HKWF3248
- Return Policy: YunYunKeJiShiZhuangDian 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.
