Power Supplies - Showing 1945 - 1968 of 17991 Products
Refurbished: 1Pcs for EVR200CI-2 Electric Vehicle Contactor 200A-12VDC Relay
- Model #: 792597722037
- Item #: 9SIVRWKKXD8279
- Return Policy: Nytke team Return Policy
Refurbished: For JZX4820-300 Power Supply
- Model #: 722954726293
- Item #: 9SIVB8UKAA7291
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for RG-PA60 RG-PA70I1 PA800IF RG-M5000E-AC60 Power Module
- Model #: 792597724970
- Item #: 9SIVRWKKXD9252
- Return Policy: Nytke team Return Policy
Refurbished: For PFE1100-12-054NA331 AC/DC CONVERTER 12V 5V 1100W
- Model #: 722954731778
- Item #: 9SIVB8UKAA5749
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO R840 Power Supply 0C6464 C6464 0CN801 0N8WV8 0DJ25F ...
- Model #: 745635675079
- Item #: 9SIVB8UKDA0222
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 24-pin small power supply 450W HK340-71 9053 small chassis ...
- Model #: 716837089513
- Item #: 9SIVB8UKX60472
- Return Policy: Magicpower Return Policy
Refurbished: LCA75S-6 Original Disassembly Switching Power Supply 6V/12.5A
- Model #: 753525957310
- Item #: 9SIVB8UKAA8966
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 760 780 960 980 235W Power Supply L235P-01 H235P-00 PW116 ...
- Model #: 726099221804
- Item #: 9SIVB8UKCU6126
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for FSP400-702UJ server, power supply 400W
- Model #: 792597724420
- Item #: 9SIVRWKKXD9069
- Return Policy: Nytke team Return Policy
Refurbished: For FSA035 GW-CRPS550-2H 240V3.5A
- Model #: 726099253775
- Item #: 9SIVRWKKXD1932
- Return Policy: Nytke team Return Policy
Refurbished: For 099 2886-10 Power Supply DS4200 DS6200 MSA2060 MSA2062
- Model #: 726099253461
- Item #: 9SIVRWKKXD1965
- Return Policy: Nytke team Return Policy
Refurbished: HWS100A-12/A Switching Power Supply Input 100-240Vac 50-60Hz 1.4A ...
- Model #: 703454925140
- Item #: 9SIVSY0KUT1696
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: For FLEX Small 1U Power Supply F-3000L F-3200L LWP-F315 LWP320 LWP330
- Model #: 726727732665
- Item #: 9SIVRWKKXA3516
- Return Policy: Nytke team Return Policy
Refurbished: For DL380 G10 GEN10 500W Power Supply 865399-001 865398-001 ...
- Model #: 726727821659
- Item #: 9SIVRWKKXB1618
- Return Policy: Nytke team Return Policy
Refurbished: ML150 DL120 DL180 550W Power Supply HSTNS-PL53 765423-201 ...
- Model #: 753525946413
- Item #: 9SIVB8UKA99754
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 400W Switching Power Supply GPS-400AB B
- Model #: 744623314105
- Item #: 9SIVB8UKD21821
- Return Policy: Magicpower Return Policy
Refurbished: For H3C S6860 Switch Power Supply PSR450-12A1 PSR450-12A
- Model #: 722954730030
- Item #: 9SIVSY0KUT6425
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: RH1288V3 RH2288V3 460W Server Power Supply DPS-460DB-12 A 12V 38A
- Model #: 722954987816
- Item #: 9SIVB8UKAA6505
- Return Policy: Magicpower Return Policy
Refurbished: For DL380Gen9 G9 500W Power Supply 723594-001 754377-001 720478-B21 ...
- Model #: 726727817874
- Item #: 9SIVRWKKXB0996
- Return Policy: Nytke team Return Policy
Refurbished: BCH 8852 2880W Power Supply 39Y7350 39Y7349 AA23920L 39Y7364
- Model #: 722954736681
- Item #: 9SIVB8UKAA6268
- Return Policy: Magicpower Return Policy
Refurbished: For Z200 Graphics Workstation Power Supply DPS-320KB-1 A 502629-001 ...
- Model #: 752804574866
- Item #: 9SIVRWKKXB1926
- Return Policy: Nytke team Return Policy
Refurbished: 1U Server Power Supply PWS-562-1H CPS-5611-3A1LF 560W
- Model #: 753525958072
- Item #: 9SIVB8UKAA9026
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for GX100 GX110GX200 Power Supply 145W PS-5141-2D1 -2D2
- Model #: 792597728176
- Item #: 9SIVB8UKX32973
- Return Policy: Magicpower Return Policy
Refurbished: PWR-RGD-AC-DC-H /PWR-RGD-LOW-DC-H
- Type: ATX
- Model #: 703454725139
- Item #: 9SIVSY0KUV3376
- Return Policy: LiAnMengYuShangDian 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.
