Power Supplies - Showing 2185 - 2208 of 17940 Products
Refurbished: Power Supply NLP70-9693 100-24VAC
- Model #: 753525991192
- Item #: 9SIVB8UKAA8013
- Return Policy: Magicpower Return Policy
Refurbished: For FSP1400-50DRS/20DRM/FSP1200-20ERM/96PSRM-A550WCRP
- Model #: 703454721353
- Item #: 9SIVB8UKAJ6599
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for RG-S6220 Power Supply RG-M6220-460E-F 460W Power Supply ...
- Model #: 716837084334
- Item #: 9SIVB8UKX58068
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 3910 3710 3991 XPS8950 T3660 7000MT small power supply, ...
- Model #: 792597707225
- Item #: 9SIVRWKKXD3595
- Return Policy: Nytke team Return Policy
Refurbished: MSL5030 MSL5026 Tape Library Power Supply RAS-2662P
- Model #: 722954724480
- Item #: 9SIVB8UKAA7116
- Return Policy: Magicpower Return Policy
Refurbished: For 155W 160W 220W 240W Power Supply L240EPA-00 L155EBA-00 ...
- Model #: 726727733662
- Item #: 9SIVRWKKXA3848
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO New Power Supply For ENHANCE AT P8P9 250W Power Supply V525
- Model #: 759950245404
- Item #: 9SIVB8UKDA9291
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 1u 350W 550W itx small chassis power supply FLEX K39
- Model #: 716837090168
- Item #: 9SIVB8UKX60626
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for SS-350SFE 350W Industrial Power Supply M-ATX SFX
- Model #: 792597715473
- Item #: 9SIVRWKKXD6240
- Return Policy: Nytke team Return Policy
Refurbished: DPR48/15-D-DGC ESR-48/15A 53.5V 15A Communication Power Module
- Model #: 753525949452
- Item #: 9SIVT8HKWF2824
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: 071-000-559/523 CX4-120240480 Power Supply SPAEMCM-08 02X6PG
- Model #: 722954734427
- Item #: 9SIVB8UKAA6056
- Return Policy: Magicpower Return Policy
Refurbished: PWS-706P-1R 750W 1U Redundant Power Supply
- Model #: 753525932775
- Item #: 9SIVSYTKUT3503
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
Refurbished: 1Pcs for DPU60D-N06A1 RRU Power Supply 3000W
- Model #: 716837095125
- Item #: 9SIVB8UKX62469
- Return Policy: Magicpower Return Policy
Refurbished: PSU For 3Y 1100W Power Supply YM-2112E
- Model #: 753525935417
- Item #: 9SIVB8UKA99358
- Return Policy: Magicpower Return Policy
Refurbished: For SSG520 FSP350-601U FSP3501UR-JNP Power Supply
- Model #: 726727722505
- Item #: 9SIVRWKKXA2285
- Return Policy: Nytke team Return Policy
Refurbished: For I620/420-G10 R1CA2551A/551B Server Power Supply 550W APM12V0001
- Model #: 726727815849
- Item #: 9SIVRWKKXB0224
- Return Policy: Nytke team Return Policy
Refurbished: For MC1800D-ES MC2600-ES Monitoring Module DC19V-60V
- Model #: 703454718568
- Item #: 9SIVB8UKAJ6317
- Return Policy: Magicpower Return Policy
Refurbished: For Sun X6385A SEUX9PS51Z 300-2138 T5220/T5240/X4450 Power 1200W
- Model #: 722954734687
- Item #: 9SIVB8UKAA6065
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for B320 B540 B545 B550 B350 B520 Power Supply HKF 2002-32 APA006
- Model #: 716837096962
- Item #: 9SIVB8UKX62842
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for P1A-I10450-D 450W switching power supply
- Model #: 716837084549
- Item #: 9SIVB8UKX58061
- Return Policy: Magicpower Return Policy
Refurbished: PSU For Vapel DC 960W Switching Power Supply HSP960-D1205D
- Model #: 753525935868
- Item #: 9SIVB8UKA99393
- Return Policy: Magicpower Return Policy
Refurbished: 00HV224RD350X RD450 RD550 RD650 550W Power Supply DPS-550AB-5
- Model #: 722954735790
- Item #: 9SIVB8UKAA6159
- Return Policy: Magicpower Return Policy
Refurbished: 12V 2.5A 30W Power Supply For LCA30S-12
- Model #: 753525989700
- Item #: 9SIVB8UKAA7763
- Return Policy: Magicpower Return Policy
Refurbished: 300W Power Supply YM300ATX12VTUGB
- Model #: 703454716397
- Item #: 9SIVB8UKAJ5996
- 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.
