Power Supplies - Showing 2257 - 2280 of 17979 Products
Refurbished: 1PCS for E2000 M200 Controller CA07081-B651
- Model #: 792597713318
- Item #: 9SIVRWKKXD4912
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 3060 5060 7040 7060 6Pin 200W Power Supply D200EPS-00 ...
- Model #: 745635674782
- Item #: 9SIVB8UKDA0208
- Return Policy: Magicpower Return Policy
Refurbished: For 600W server power supply DPS-600SB E DPS-600SB A E35862-006
- Model #: 726727733204
- Item #: 9SIVRWKKXA3695
- Return Policy: Nytke team Return Policy
Refurbished: C7000 2450W Power Supply 588733 001 570493 101 DPS-2450AB A
- Model #: 703454720288
- Item #: 9SIVB8UKAJ6476
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for RPS0920-AN G1116-0920WNA switching power supply
- Model #: 792597704323
- Item #: 9SIVRWKKXD2520
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for HG2-6400P 400W ATX Power Supply
- Model #: 731029999722
- Item #: 9SIVRWKKXD1360
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for SmartLi48-50-O DBU50B 48V50AH Communication Energy Storage
- Model #: 716837094517
- Item #: 9SIVB8UKX62249
- Return Policy: Magicpower Return Policy
Refurbished: For FSP250-60THA (1PF) FSP300-60THA (1) BEA-630 (ROHS) Power Supply
- Model #: 726727819755
- Item #: 9SIVRWKKXB1380
- Return Policy: Nytke team Return Policy
Refurbished: For Server Power Supply PWS-521-1H 520W 24PIN 1U
- Model #: 753525985894
- Item #: 9SIVB8UKAA8480
- Return Policy: Magicpower Return Policy
Refurbished: For DL360 380G6/G7 460W server, power supply 591553-001 591555-101
- Model #: 726727818017
- Item #: 9SIVRWKKXB1175
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 10Pin 180W Power Supply PCE025 PCE010 PCG010 HK280-73PP ...
- Model #: 726099221903
- Item #: 9SIVB8UKCU6166
- Return Policy: Magicpower Return Policy
Refurbished: X366 X460 X3850 1300W Switching Power Supply DPS-1300BB A 24R2707 ...
- Model #: 753525936629
- Item #: 9SIVB8UKA99489
- Return Policy: Magicpower Return Policy
Refurbished: For 450W Z2 G5 G8 Desktop PA-3451-1HA Power Supply DPS-450AB-23A
- Model #: 752804578710
- Item #: 9SIVRWKKXB2404
- Return Policy: Nytke team Return Policy
Refurbished: MA5800-X2 Power Board H901PISA
- Model #: 703454718711
- Item #: 9SIVB8UKAJ6334
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO FSP AT P8P9 12V 250W Switching Power Supply SD-250AT SPI-300G ...
- Model #: 744623302720
- Item #: 9SIVB8UKCV8285
- Return Policy: Magicpower Return Policy
Refurbished: For R650 R670 power supply S26113-E526-V70 S1K02A001 1000w
- Model #: 752804573432
- Item #: 9SIVRWKKXB1729
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for Z4 G4 Power Supply 1000W D15-1K0P1A 851383-001
- Model #: 716837093275
- Item #: 9SIVB8UKX61691
- Return Policy: Magicpower Return Policy
Refurbished: For R420 server power supply DH550E-S0 DPS-550NB A 04XX1H 0J6J6M
- Model #: 726727725070
- Item #: 9SIVRWKKXA2644
- Return Policy: Nytke team Return Policy
Refurbished: Power Supply PMMK450S-24-E
- Model #: 753525992175
- Item #: 9SIVB8UKAA8223
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 848202-001 AC-142A AC-142 A
- Model #: 759950244902
- Item #: 9SIVB8UKDA9239
- Return Policy: Magicpower Return Policy
Refurbished: VC 8G 24 module 708063-001 466484-504 466484-001 466539-001
- Model #: 703454720929
- Item #: 9SIVB8UKAJ6523
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO -5V 610L 250W Switching Power Supply FSP250-70PFU
- Model #: 744623304663
- Item #: 9SIVB8UKCW6241
- Return Policy: Magicpower Return Policy
Refurbished: ASR9000 Series Switches 341-0518-01 250W ASR-920-PWR-D
- Model #: 753525957228
- Item #: 9SIVB8UKAA8979
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for APH003 ELOG SP50H29541 00PC763 PA-1151-5 150W
- Model #: 726099251771
- Item #: 9SIVRWKKXD1483
- Return Policy: Nytke team 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.
