Power Supplies - Showing 2377 - 2400 of 18293 Products
Refurbished: 1Pcs for TS430 TS530 GPS-400CB B A 400W ATX Power Supply REV36002256
- Model #: 716837092490
- Item #: 9SIVB8UKX61394
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for T610 R710 870W Server Power Supply A870P-00 07NVX8 OYFG1C
- Model #: 726099252754
- Item #: 9SIVRWKKXD1813
- Return Policy: Nytke team Return Policy
Refurbished: 2100W Power Supply PWR-2KW-DC-V2 DHF-2DC-2100W-V 341-0400-02 ...
- Model #: 753525942040
- Item #: 9SIVB8UKAA5093
- Return Policy: Magicpower Return Policy
Refurbished: For Vapel Switching Power Supply PPC31 A007
- Model #: 753525936490
- Item #: 9SIVB8UKA99482
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for ETP48200-C5E1 Power Supply 48V200A R4850G Module
- Model #: 716837093442
- Item #: 9SIVB8UKX61707
- Return Policy: Magicpower Return Policy
Refurbished: R1CA2801A APM12V0101 800W AC/DC power server power supply
- Model #: 703454721797
- Item #: 9SIVB8UKAJ6633
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO DA 24V 500W Power Supply BD-308
- Model #: 759950242304
- Item #: 9SIVB8UKDA8779
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 520 320 330 280W Power Supply FH280P-00 H280P-00 ...
- Model #: 744623301778
- Item #: 9SIVB8UKCV8188
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for GW-CRPS800S redundant power supply GW-CRPS800S-2H server ...
- Model #: 792597704354
- Item #: 9SIVRWKKXD2521
- Return Policy: Nytke team Return Policy
Refurbished: SSG-550M-SH Redundant Power Module 3Y YM-7421D
- Model #: 722954730825
- Item #: 9SIVB8UKAA5665
- Return Policy: Magicpower Return Policy
Refurbished: 5802 5877 I /O 1000W Power Supply 44V6774 44v8544 44V3898 45D9861
- Model #: 753525941838
- Item #: 9SIVB8UKAA5011
- Return Policy: Magicpower Return Policy
Refurbished: For Precision R5400 F013C CPU Power Backplane
- Model #: 726727730975
- Item #: 9SIVRWKKXA3315
- Return Policy: Nytke team Return Policy
Refurbished: For RG-M6220-AC460E-F Switch Server Power Supply 460W
- Model #: 722954730047
- Item #: 9SIVB8UKAA5595
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for R630 R640 Power Supply S26113-E504-V70 W700WC3
- Model #: 792597985920
- Item #: 9SIVB8UKX57407
- Return Policy: Magicpower Return Policy
Refurbished: For YM-5681H YM-2681H Server 700W Power Module
- Model #: 752804577027
- Item #: 9SIVRWKKXB2147
- Return Policy: Nytke team Return Policy
Refurbished: For NF5220 NF5240M3 NF5225 GW-2U600 600W Server Power Supply
- Model #: 726727721690
- Item #: 9SIVRWKKXA2228
- Return Policy: Nytke team Return Policy
Refurbished: For API6PC05 Computer Host Desktop Power Supply 250W With 24P
- Model #: 722954728518
- Item #: 9SIVB8UKAA5426
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 3250 3040 3046 5040 DPS-600EM-00 Power Supply 8 + 4 Pins 500W ...
- Model #: 792597982530
- Item #: 9SIVB8UKX56688
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for P520 P720 900W Server Power Supply DPS-900EB A P/N: 54Y8979
- Model #: 716837082989
- Item #: 9SIVB8UKX57502
- Return Policy: Magicpower Return Policy
Refurbished: R520 G7 Server Power Backplane DD-3151-3F-LF
- Model #: 703454718681
- Item #: 9SIVB8UKAJ6323
- Return Policy: Magicpower 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: 1Pcs for R6515/R7515/R6525/R7525 800W Server Power Supply MGPPC ...
- Model #: 716837088455
- Item #: 9SIVB8UKX59843
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for DPS-500AB-9A/B/C/D server 1U500W power supply
- Model #: 792597715305
- Item #: 9SIVRWKKXD6247
- Return Policy: Nytke team Return Policy
Refurbished: DPS-1200AB-8A server power supply 12V 100A 1200W power supply
- Model #: 703454722923
- Item #: 9SIVB8UKAJ6748
- 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.
