Power Supplies - Showing 1345 - 1368 of 18757 Products
APC Rack Mount PDU, Basic 100V-120V/15A, (10) Outlets, 1U Horizontal Rackmount ...
- Model #: LB0000AAAJA
- Item #: 9SIVARYH6Z2903
- Return Policy: Nature Return Policy
CableMod E-Series Pro ModFlex Sleeved Cable Kit for EVGA G5 / G3 / G2 / P2 / T2 (Black)
- Model #: LB089KQYDQN
- Item #: 9SIVARYH6Z1835
- Return Policy: Nature Return Policy
240W ThinkStation E31 PSU
- Model #: 54y8901
- Item #: 9SIV1W8AWG2739
- Return Policy: The Best Part Inc. Return Policy
CableMod RT-Series Pro ModFlex Sleeved 8-pin PCI-e Cable for ASUS and Seasonic (Black + ...
- Model #: LB08GJQRS85
- Item #: 9SIVARYH6Z1057
- Return Policy: Nature Return Policy
PELCO WCS1-4 Camera Power Supply 4Amp 1 Output
- Model #: LB0041X33VU
- Item #: 9SIVARYH6Z5759
- Return Policy: Nature Return Policy
HP 499243-B21 2400W Modular 2400W AC Power Supply
- Input Voltage: 200 V AC to 240 V AC
- Input Current: 12.60 A @220 V AC
- Features: Input Voltage Type: AC Compatibility: HP BladeSystem c7000 Enclosure
- Parts: 1 year limited
- Labor: 1 year limited
- Model #: 499243-B21
- Item #: 9SIVSYTKUV0772
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
MW Mean Well PM-20-3.3 3.3V 4.5A 14W Green Open Frame Single Output Switching Power ...
- Model #: LB0739HFKC2
- Item #: 9SIVARYH702106
- Return Policy: Nature Return Policy
CableMod RT-Series Pro ModMesh Sleeved 8-pin PCI-e Cable for ASUS and Seasonic (Black + ...
- Model #: LB08GJQ16WB
- Item #: 9SIVARYH6Z1052
- Return Policy: Nature Return Policy
255W Power Supply Replacement for Dell Optiplex 580 760 780 960 980 DT F255E-01 ...
- Model #: SAB0C32MT5NV
- Item #: 9SIVARYK4X1110
- Return Policy: Nature Return Policy
TDK LAMBDA LS7512 AC-DC Conv, Enclosed, 1 O/P, 75W, 6A, 12V
- Model #: LB00DECSOF4
- Item #: 9SIVARYH6Z7597
- Return Policy: Nature Return Policy
Altronix Corporation - Altronix Smp3 Proprietary Power Supply "Product Category: Power ...
- Model #: LB00PB0VEQS
- Item #: 9SIVARYH6X7420
- Return Policy: Nature Return Policy
Dell Vmrd2 Dell 240 Watt Power Supply For Optiplex 790 990 Sff
- Color: Multicolor
- Parts: 30 DAYS WARRANTY
- Labor: 30 DAYS WARRANTY
- Model #: VMRD2
- Item #: 9SIV1W87N60411
- Return Policy: The Best Part Inc. Return Policy
upply 425 Watt For Xseries 225 Server, Intellistat
- Model #: 49p2042
- Item #: 9SIV1W8CYE2427
- Return Policy: The Best Part Inc. Return Policy
SE-600 meanwell Power Supply (SE-600-48: 48V12.5A)
- Model #: LB08FFZGRBC
- Item #: 9SIVARYH6Y6287
- Return Policy: Nature Return Policy
Dell Mx838 488 Watt Power Supply For Powervault Md3000
- Model #: MX838
- Item #: 9SIV1W87PX2184
- Return Policy: The Best Part Inc. Return Policy
SilverStone Technology ET500-B Silverstone 80 Plus Bronze 500W ATX Switching Power ...
- Model #: LB08DLC2H9Z
- Item #: 9SIVARYH6Z0448
- Return Policy: Nature Return Policy
HP 613762-001 PS-4241-9HB Proprietry Power Supply
- Weight: 0.88
- Model #: 613762-001
- Item #: 9SIV1W87PX3344
- Return Policy: The Best Part Inc. Return Policy
PSU for ML110 G7 350W Power Supply 629051-001 644744-001 S10-350P1A
- Model #: SAB09M8PSLYK
- Item #: 9SIVARYK4Z1170
- Return Policy: Nature Return Policy
48V Universal Power Supply
- Model #: LB002OHDERS
- Item #: 9SIVARYH701491
- Return Policy: Nature Return Policy
2600W Mining Power Supply Support 8 GPUs GPU Mining Rig, ETH Miner, Active PFC, PC 2000W ...
- Model #: SAB0B3R5TBTG
- Item #: 9SIVARYK4X0338
- Return Policy: Nature Return Policy
Modular Medical Adapter 21.6W 12V 1.8A PM-20-12 Meanwell AC-DC SMPS PM-20 Series ...
- Model #: LB0180W8AUG
- Item #: 9SIVARYH702534
- Return Policy: Nature Return Policy
174048-001 Compaq Power Supply - 145 Watt Atx For Presario
- Model #: LB003ZTC0O2
- Item #: 9SIVARYH703804
- Return Policy: Nature Return Policy
MW Mean Well LPV-100-24 24V 4.2A 100W Single Output LED Switching Power Supply
- Model #: LB072C71GGR
- Item #: 9SIVARYH6Z1859
- Return Policy: Nature Return Policy
Desktop Industrial Adapter 102W 12V 8.5A GST120A12-R7B Meanwell AC-DC SMPS ...
- Model #: LB07CQL23M2
- Item #: 9SIVARYH702532
- 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.
