Power Supplies - Showing 2185 - 2208 of 17942 Products
Refurbished: For J2320 ENP-3927B-GJ50 V2 Power Supply
- Model #: 726727723274
- Item #: 9SIVRWKKXA2284
- Return Policy: Nytke team Return Policy
Refurbished: Server Power Supply PAC500S12-BE, PAC900S12-BE, PAC1500/2000S12-BE
- Model #: 722954733642
- Item #: 9SIVB8UKAA5942
- Return Policy: Magicpower Return Policy
Refurbished: X236 server power supply 74P4456 74P4455 39Y7344
- Model #: 722954988462
- Item #: 9SIVB8UKAA6565
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Truepower 650 650W Switching Power Supply TP-650
- Model #: 744623312866
- Item #: 9SIVB8UKD19613
- Return Policy: Magicpower Return Policy
Refurbished: ST-250WHV 250W AT Power Supply
- Model #: 753525949209
- Item #: 9SIVB8UKAA0093
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO T5810 T7810 T7610 T7910 1300W Power Supply H1300EF-02 ...
- Model #: 759950240058
- Item #: 9SIVB8UKDA0346
- Return Policy: Magicpower Return Policy
Refurbished: A6874A RP2600 RP3410 RP3440 Power Supply 0950-4119 0950-4621
- Model #: 722954735165
- Item #: 9SIVB8UKAA6094
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for RG-WS55/RSR7704/67/S7800 RG-WS6812 RG-PA300I Power ...
- Model #: 792597710225
- Item #: 9SIVRWKKXD4302
- Return Policy: Nytke team Return Policy
Refurbished: For D3000E-S0 Server Power 5PDWG
- Model #: 752804577577
- Item #: 9SIVRWKKXB2176
- Return Policy: Nytke team Return Policy
Refurbished: For DPS-550AB-11 H 550W
- Model #: 752804575696
- Item #: 9SIVRWKKXB1982
- Return Policy: Nytke team Return Policy
Refurbished: For MD3800I MD3820I 10G-ISCSI-2 8G Controller XCW52 14Y4D
- Model #: 792597702947
- Item #: 9SIVRWKKXD2201
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for DPS-1000GB A 41A9765 41A9764 1000w 41A9710 41A9709
- Model #: 792597710690
- Item #: 9SIVRWKKXD4362
- Return Policy: Nytke team Return Policy
Refurbished: For 3681 3881 3471 3671 Power supply 6F0T1 R0NM7 DK87P J61WF
- Model #: 726727732924
- Item #: 9SIVRWKKXA3549
- Return Policy: Nytke team Return Policy
Refurbished: 2748W Power Supply DPS-2500CB A 7001581-J000 7001581-J002 69Y5840 ...
- Model #: 753525945881
- Item #: 9SIVSY0KUU8605
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: U1A-G10750-DR 750W Switched Power Supply
- Model #: 722954731082
- Item #: 9SIVB8UKAA5714
- Return Policy: Magicpower Return Policy
Refurbished: VLT130-4102 130W +5V +15V -15V ACC-E1 Device Power Supply
- Model #: 724780183882
- Item #: 9SIVB8UKA99045
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for DPS-1001AB-1 23-0200006-03 100-069-106 1000W power supply
- Model #: 792597984336
- Item #: 9SIVB8UKX57061
- Return Policy: Magicpower Return Policy
Refurbished: For H3C S12516 2518 Switch Power Supply CP2000AC54PE LSTM2PSRA JF429A
- Type: Power Supply
- Model #: CP2000AC54PE
- Item #: 9SIVSY0KUT9227
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: For 3267 3667 3668 3669 Power supply L180AS-02 -03 B200AS-00 H180ES-00
- Model #: 726727732061
- Item #: 9SIVRWKKXA3373
- Return Policy: Nytke team Return Policy
Refurbished: For Z4 Z6 G5 workstation power supply 1125W DPS-1125AB-5A M76918-003 ...
- Model #: 726099253201
- Item #: 9SIVRWKKXD1874
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO For R-Senda FlexATX POS Small 1U 200W Power Supply SD-235PSU
- Model #: 744623301013
- Item #: 9SIVB8UKCV8124
- Return Policy: Magicpower Return Policy
Refurbished: 350W Switching Power Supply GPS-350AB B
- Model #: 753525944815
- Item #: 9SIVB8UKA99567
- Return Policy: Magicpower Return Policy
Refurbished: For RH5885H V3 power supply EPW2000-12A 02310PTH IT1MP2KM
- Model #: 726727777000
- Item #: 9SIVRWKKXB0206
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO CP2000AC54PEZ CC109139408 TX75074 2000W
- Model #: 745635674065
- Item #: 9SIVB8UKD64823
- 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.
