Power Supplies - Showing 2353 - 2376 of 17988 Products
Refurbished: 1PCS for GW-MATX300 Small Chassis Small Power Supply GW-MATX250 220W
- Model #: 792597714926
- Item #: 9SIVRWKKXD6085
- Return Policy: Nytke team Return Policy
Refurbished: S1M-5460P 460W SIM-5460P Disk Array Redundant Power Supply
- Model #: 722954721939
- Item #: 9SIVB8UKAA6845
- Return Policy: Magicpower Return Policy
Refurbished: For 48V 30A Power Supply For DZY-48/30HIV
- Model #: 753525989885
- Item #: 9SIVB8UKAA7789
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for DPS-90FB A JMW1150 KA2423F51 24V6.25A 24V150W Power Adapter
- Model #: 716837086611
- Item #: 9SIVB8UKX59192
- Return Policy: Magicpower Return Policy
Refurbished: PSU For Compuware 80plus Platinum 1620W Power Supply CPR-1621-1M2 ...
- Model #: 753525936742
- Item #: 9SIVB8UKA99488
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for PDB-PT213-S8824/PT217-S2412 SP762-TS CSE-PT933-DP382
- Model #: 792597710201
- Item #: 9SIVRWKKXD4270
- Return Policy: Nytke team Return Policy
Refurbished: For PWS-1K11P-1R 1010W Server Power Supply 48V
- Model #: 726727724813
- Item #: 9SIVRWKKXA2515
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 280G2 6Pin 180W Power Supply DPS-180AB-22A PA-1181-7 ...
- Model #: 744623300214
- Item #: 9SIVB8UKCU6681
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for ePCSA-500P ePCSA-500P-X2S Industrial Control Medical Equipment ...
- Model #: 792597985173
- Item #: 9SIVB8UKX57248
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for industrial computer-5V power supply FSP500-60PFG FSP400-60PFG ...
- Model #: 716837089704
- Item #: 9SIVB8UKX60499
- Return Policy: Magicpower Return Policy
Refurbished: NEPS600-D 02270017 Power Supply Quidway netEngine40-2 NE40
- Model #: 703454718285
- Item #: 9SIVSY0KUT7087
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: For DS800-G25 DPS-770GB A C B Power Module 770W 1pcs
- Model #: 726727725438
- Item #: 9SIVRWKKXA2592
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for BEA-750H BEA-740 Industrial Power Supply 500W
- Model #: 716837088011
- Item #: 9SIVB8UKX59817
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for B540P Power Supply FSP250-30SI DPS-250AB-84 APB001 HKF 2502-3
- Model #: 716837091844
- Item #: 9SIVB8UKX61152
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for ZXD3000 V5.5 V5.6 48V 3000W power
- Model #: 716837093497
- Item #: 9SIVB8UKX61726
- Return Policy: Magicpower Return Policy
Refurbished: 0950-3651 DPS-250DB L DLT8000 Tape Library Power
- Model #: 722954734434
- Item #: 9SIVB8UKAA6062
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO TFX M310 410 610 710 H3060 5060 510s 10Pin 260W Power Supply ...
- Model #: 744623307510
- Item #: 9SIVB8UKD06419
- Return Policy: Magicpower Return Policy
Refurbished: R95021G1 High-voltage DC Charging Pile Module 200V-500V-950V/20KW
- Model #: 724780181079
- Item #: 9SIVB8UKA98762
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 3000W For ZXDT02-PU V2.5 ZXDT02 PU
- Model #: 759950239830
- Item #: 9SIVB8UKDA0353
- Return Policy: Magicpower Return Policy
Refurbished: APE0C4 ELOG SP50A35155 Mini 6-pin 180W
- Model #: 703454720684
- Item #: 9SIVB8UKAJ6530
- Return Policy: Magicpower Return Policy
Refurbished: For Power Supply CA05951-8730
- Model #: 726727816648
- Item #: 9SIVRWKKXB0816
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for SS-400ES 400W industrial computer, power supply, dual 8P
- Model #: 792597716593
- Item #: 9SIVRWKKXD6540
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for RH2288 V3 server 460W power supply
- Model #: 716837083412
- Item #: 9SIVB8UKX57566
- Return Policy: Magicpower Return Policy
Refurbished: NSS-PL30-AD 748896-001 748283-201 746073-001
- Model #: 703454925409
- Item #: 9SIVB8UKA98729
- 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.
