Power Supplies - Showing 1225 - 1248 of 11999 Products
Dell P9550 Dell 280 Watt Power Supply For Optiplex 330 740 745 755 Dimension C521-P9550
- Weight: 4
- Model #: P9550
- Item #: 9SIV1736N22468
- Return Policy: Digitzy Return Policy
SilverStone Technology ST1200-PT 80 Plus Platinum 1200W Fully Modular ATX/PS2 Power ...
- Model #: LB09236KJBV
- Item #: 9SIVARYH6Y0361
- Return Policy: Nature Return Policy
APC Rack Mount PDU, Basic 100V-120V/15A, (14) Outlets, 0U Vertical Rackmount (AP9567)
- Model #: LB000096QRP
- Item #: 9SIVARYH6Z2911
- Return Policy: Nature Return Policy
Lenovo Hp-A2307F3P Lenovo 230 Watt Power Supply For Thinkcentre-Hp-A2307F3P
- Model #: HP-A2307F3P
- Item #: 9SIV1W8CYE2352
- Return Policy: The Best Part Inc. Return Policy
PWS-563-1H Power Supply 560W 24pin 80 Plus Gold
- Model #: TGM2-PWS-563-1H
- Item #: 9SIVB99KMX1907
- Return Policy: Compiston Store Return Policy
Hewlett Packard HP 720479-B21 800W Flex Slot Platinum Hot Plug Power Supply Kit
- Model #: LB0154OMNVA
- Item #: 9SIVARYH6Z9089
- Return Policy: Nature Return Policy
Power Supply 12/24Dc @ 4A
- Model #: LB0038L696W
- Item #: 9SIVARYH6Z6963
- Return Policy: Nature Return Policy
CableMod C-Series Pro ModMesh Sleeved Cable Kit for Corsair RM Black Label/RMi/RMX ...
- Model #: LB0799CGYN5
- Item #: 9SIVARYH6Z1858
- Return Policy: Nature Return Policy
Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W 80+ Platinum ATX12V & EPS12V Full ...
- Model #: LB074N8YBK9
- Item #: 9SIVARYH6X9425
- Return Policy: Nature Return Policy
500W 2.3V ATX Power Supply
- Model #: LB004NBZ88Q
- Item #: 9SIVARYH702822
- Return Policy: Nature Return Policy
MW Mean Well LPP-150-48 48V 3.2A 152W Single Output with PFC Function Power Supply
- Model #: LB072TTJXTC
- Item #: 9SIVARYH6Y9832
- Return Policy: Nature Return Policy
MW Mean Well HLG-60H-48A 48V 1.3A 60W Single Output LED Switching Power Supply
- Model #: LB0182BRE8O
- Item #: 9SIVARYH703204
- Return Policy: Nature Return Policy
DIN Rail PS 60W 15V 4A DR-60-15 Meanwell AC-DC SMPS DR-60 Series MEAN WELL Switching ...
- Model #: LB07CQP9JZ6
- Item #: 9SIVARYH6Z5335
- Return Policy: Nature Return Policy
Altronix Phenolic or Fiberglass Power Supply 6/12/24VDC @ 4A - SMP5
- Model #: LB008RZGTHI
- Item #: 9SIVARYH6Y9462
- Return Policy: Nature Return Policy
[PowerNex] Mean Well QP-320D 5V +/-12V 24V 2A 3A 10A 20A 316W Quad Output with PFC ...
- Model #: LB017U4CHB8
- Item #: 9SIVARYH6Z7532
- Return Policy: Nature Return Policy
New Genuine 320W KDM Power Supply
- Model #: LB004I4TDL6
- Item #: 9SIVARYH702361
- Return Policy: Nature Return Policy
GinTai Power Module Controller Battery Replacement for Dell EqualLogic PS4100 PS4110 ...
- Model #: LB082WHG5T2
- Item #: 9SIVARYH701243
- Return Policy: Nature Return Policy
Seasonic FOCUS PX-550, 550W 80+ Platinum Full-Modular, Fan Control in Fanless, Silent, ...
- Model #: LB07W92T29L
- Item #: 9SIVARYH6W4811
- Return Policy: Nature Return Policy
YOOPKA Switching Power Supply Small Volume 12V 40A 480W Switching Power Supply Driver ...
- Model #: SAB0C5HLKXPX
- Item #: 9SIVARYK4Z1276
- Return Policy: Nature Return Policy
LED Driver 192W 12V 16A HLG-240H-12 Meanwell AC-DC SMPS HLG-240H Series MEAN WELL ...
- Model #: LB07CQKWLMP
- Item #: 9SIVARYH6Y3702
- Return Policy: Nature Return Policy
Dell Wu133 Dell 305 Watt Power Supply For Optiplex 760 960 Mt
- Model #: WU133
- Item #: 9SIV1W87N60126
- Return Policy: The Best Part Inc. Return Policy
MW Mean Well GS120A24-P1M 24V 5A 120W AC-DC Green Industrial Adaptor
- Model #: LB01813EUYY
- Item #: 9SIVARYH6Z5244
- Return Policy: Nature Return Policy
HP 412211-001 700W Hot-Plug Power Supply Proliant DL360 G5 DL365 G1 Servers
- Model #: LB00DUGGRE4
- Item #: 9SIVARYH6Z8174
- Return Policy: Nature Return Policy
PSU for M800z M900z M8350z Power Supply HKF1501-3B PA-1151-1 APE004
- Model #: SAB0C5FRQMC4
- Item #: 9SIVARYK4Z0910
- Return Policy: Nature 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.
