Power Supplies - Showing 2281 - 2304 of 17946 Products
Refurbished: 1pcs for switching power supply uMP16S-S2Q-S2Q-SKW-11 ...
- Model #: 792597721665
- Item #: 9SIVRWKKXD8302
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for R630 R640 Power Supply S26113-E504-V70 W700WC3
- Model #: 792597985920
- Item #: 9SIVB8UKX57407
- Return Policy: Magicpower Return Policy
Refurbished: For ETN CR48 Communication Power Supply CR48-3G
- Model #: 703454721322
- Item #: 9SIVB8UKAJ6586
- Return Policy: Magicpower Return Policy
Refurbished: For FETA2500B-48 48V 52A
- Model #: 752804577744
- Item #: 9SIVRWKKXB2212
- Return Policy: Nytke team Return Policy
Refurbished: CRPS 220W Switching Power Supply M1Y-2222G
- Model #: 753525943832
- Item #: 9SIVB8UKAA5296
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For TDK-LAMBDA 48V 300W Power Supply ...
- Model #: 759950241598
- Item #: 9SIVB8UKDA8735
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PSU For 3Y 595W Switching Power Supply YM-3591D
- Model #: 744623314334
- Item #: 9SIVB8UKD21815
- Return Policy: Magicpower Return Policy
Refurbished: For 280 285 288 400 480 600 680 800 880G3 G4 G5 G6 MT PRO power supply
- Model #: 726727733723
- Item #: 9SIVRWKKXA3834
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for ACE-A630C-R10 ACE-A622C-R10 DPS-350AB-24G ...
- Model #: 716837087960
- Item #: 9SIVB8UKX59798
- Return Policy: Magicpower Return Policy
Refurbished: 1300 Server Power Supply 330W 01H070 NPS-330CB H
- Model #: 722954988110
- Item #: 9SIVSY0KUS4030
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 5158 5159 39J4951 44V5095 850W I520 P520 P52A Mini Computer Power ...
- Model #: 722954726354
- Item #: 9SIVB8UKAA7315
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO MX104 DC 800W Power Supply PWR-MX104-DC-S-D 740-045932 ...
- Model #: 759950243554
- Item #: 9SIVB8UKDA9018
- Return Policy: Magicpower Return Policy
Refurbished: P2F-5400V 400W Switching Power Supply
- Model #: 724780182038
- Item #: 9SIVSYTKUT2121
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
Refurbished: For 2U BP3600U2 3600W power supply 3080 3090 8 card graphics card ...
- Model #: 752804578604
- Item #: 9SIVRWKKXB2343
- Return Policy: Nytke team Return Policy
Refurbished: For 6SL3203-0CD21-4AA0 4kw A5E00417563
- Model #: 726727722550
- Item #: 9SIVRWKKXA2202
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO SFX ITX MATX Rated 550W Peak 650W Switching Power Supply ...
- Model #: 744623306254
- Item #: 9SIVB8UKD01972
- Return Policy: Magicpower Return Policy
Refurbished: ZWS300BAF-48/TA 48V 7A For TDK-Lambda Switching Power Supply
- Model #: 753525933505
- Item #: 9SIVB8UKA99196
- Return Policy: Magicpower Return Policy
Refurbished: 241114.300 FLATPACK 1500 24V/50A 230Vac Power Supply Module Fast Ship
- Model #: 753525934670
- Item #: 9SIVB8UKA99267
- Return Policy: Magicpower Return Policy
Refurbished: For R1CA2801A Server Power Supply
- Model #: 752804576785
- Item #: 9SIVRWKKXB2115
- Return Policy: Nytke team Return Policy
Refurbished: CRPS 550W Switching Power Supply DPS-550AB-36 B DPS-550AB-36B
- Model #: 753525944389
- Item #: 9SIVB8UKAA5368
- Return Policy: Magicpower Return Policy
Refurbished: For X235 Server Power X235 49P2177 49P2178
- Model #: 726727725018
- Item #: 9SIVRWKKXA2600
- Return Policy: Nytke team Return Policy
Refurbished: For HPML570G3 DL580G3G4 Power Supply 337867-001 364360-001 ...
- Model #: 722954724756
- Item #: 9SIVB8UKAA7169
- Return Policy: Magicpower Return Policy
Refurbished: For 6505 ALM2M 23-0000092-02 switching power supply
- Model #: 752804573753
- Item #: 9SIVRWKKXB1715
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for FSP250-601U server IPC with -5V FSP300-601UD
- Model #: 792597728060
- Item #: 9SIVB8UKX32976
- 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.
