Power Supplies - Showing 2353 - 2376 of 17930 Products
Refurbished: Fo 32-way Hard Disk Video Recorder Power Supply DS-8832N-K8/e8 ...
- Model #: 722954737541
- Item #: 9SIVB8UKAA6368
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO AIO HTPC FLEX Small 1U K39 400W Switching Power Supply ...
- Model #: 744623314372
- Item #: 9SIVB8UKD21832
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for server power supply 2600W 0A100-00451300 G1236-2600WAN ...
- Model #: 716837083818
- Item #: 9SIVB8UKX57680
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS For Z8G4 Power Supply 851384-001 851385-001 DPS-1125BB 1450W ...
- Model #: 726099251634
- Item #: 9SIVRWKKXD1508
- Return Policy: Nytke team Return Policy
Refurbished: For 0957-2198 2320 RX3600 RX4640 RX6600 Power Supply
- Model #: 726099251573
- Item #: 9SIVRWKKXD1361
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS For SG9006 2U Expansion Cabinet Power Supply 400W 071-000-539 ...
- Model #: 716837095866
- Item #: 9SIVB8UKX62634
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for RG-PA1600I 1600W Power Module
- Model #: 726099252600
- Item #: 9SIVRWKKXD1807
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for 25-Mar-15 ZZ993726A RA-MENT-002 Power Supply 48V32A/12V4.3A
- Model #: 792597721238
- Item #: 9SIVRWKKXD8139
- Return Policy: Nytke team Return Policy
Refurbished: S5700 S5300 Switching Power Supply PSC150-12A
- Model #: 753525941371
- Item #: 9SIVB8UKAA4980
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for PWS-2K04A-1R Server Power Supply 2000W
- Model #: 792597985517
- Item #: 9SIVB8UKX57242
- Return Policy: Magicpower Return Policy
Refurbished: For ETN Power Supply For APR48
- Model #: 753525990942
- Item #: 9SIVB8UKAA8007
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO FSP NAS FLEX Small 1U 200W Power Supply FSP200-50PLA ...
- Model #: 744623307565
- Item #: 9SIVB8UKD06439
- Return Policy: Magicpower Return Policy
Refurbished: MSA500G2/MSA1000 Disk Cabinet Power Supply 212398-001/005 ...
- Model #: 722954725227
- Item #: 9SIVB8UKAA7209
- Return Policy: Magicpower Return Policy
Refurbished: 645W Server Power Supply For SP645-PS
- Model #: 722954986956
- Item #: 9SIVB8UKAA6413
- Return Policy: Magicpower Return Policy
Refurbished: For Z840 workstation power supply 719799-001/002 DPS-1125AB-1A 1450W
- Model #: 792597702992
- Item #: 9SIVRWKKXD2190
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO C1100 C200M1 C210M1 650W Switching Power Supply YM-2651B
- Model #: 744623306896
- Item #: 9SIVB8UKD06320
- Return Policy: Magicpower Return Policy
Refurbished: For P12951-001 HPE MSA2060
- Model #: 726727821734
- Item #: 9SIVRWKKXB1592
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO PowerEdge T300 490W Switching Power Supply N490P-00 ...
- Model #: 744623301990
- Item #: 9SIVB8UKCV8224
- Return Policy: Magicpower Return Policy
Refurbished: For R680 G7 DPS-850FB A E62433-008 Server 850W Power Supply
- Model #: 726727776584
- Item #: 9SIVRWKKXA7154
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for FSP270-RHAN3 HKA300120B1-7D GW-EPS1250DA DPS-60TB A Power ...
- Model #: 716837086963
- Item #: 9SIVB8UKX59341
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 1S3P MD3000 MD3000I JY200 C291H controller battery
- Model #: 792597722587
- Item #: 9SIVRWKKXD8464
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for RG-M6220-DC460E-F/Artesyn DS460SDC-3A 460W switched DC ...
- Model #: 792597710119
- Item #: 9SIVRWKKXD4135
- Return Policy: Nytke team Return Policy
Refurbished: 750W Titanium Server Power Supply HSTNS-PL29-AD 746072-001 ...
- Model #: 703454720394
- Item #: 9SIVB8UKAJ6470
- Return Policy: Magicpower Return Policy
Refurbished: New Switching Power Supply S8FS-G10024C For 100W 24V AC100240V 4.5A
- Model #: 753525990539
- Item #: 9SIVB8UKAA7947
- 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.
