Power Supplies - Showing 769 - 792 of 12349 Products
Desktop Industrial Adapter 180W 12V 15A GST220A12-R7B Meanwell AC-DC SMPS GST220A ...
- Model #: LB07CTWNHGM
- Item #: 9SIVARYH700284
- Return Policy: Nature Return Policy
CableMod C-Series Pro ModFlex Sleeved Cable Kit for Corsair RM Black Label/RMi/RMX (Black ...
- Model #: LB089KQGL2Y
- Item #: 9SIVARYH6Z1067
- Return Policy: Nature Return Policy
PC5204 Powerseries 1 amp power supply module w/ 4 outputs
- Model #: LB003S1WWRW
- Item #: 9SIVARYH6Y8149
- Return Policy: Nature Return Policy
Industrial Open Frame 45.6W 24V 1.9A PS-45-24 Meanwell AC-DC Single Output PS-45 MEAN ...
- Model #: LB0180ZOGDS
- Item #: 9SIVARYH6Z9819
- Return Policy: Nature Return Policy
410507001 HP Power Supply 250 Watt NonPfc For Dx2200Mt, Dx2250Mt
- Model #: 410507-001
- Item #: 9SIV1W87N60281
- Return Policy: The Best Part Inc. Return Policy
HP 403777-001 Power Supply - 200 Watt For Dc7700 Usdt Ultra Slim Desk
- Model #: 403777-001
- Item #: 9SIV1W87N60718
- Return Policy: The Best Part Inc. Return Policy
TOPOWER TOP-400W 400W ATX12V / EPS12V 80 PLUS BRONZE Certified Active PFC Power ...
- Brand: TOPOWER
- Type: ATX12V / EPS12V
- Maximum Power: 400 W
- Modular: Non-Modular
- Fans: 1
- PFC: Active
- Main Connector: 24+8Pin
- +12V Rails: Single
- Model #: TOP-400WB
- Item #: 9SIV179D027849
- Return Policy: 3RAID'S MARKETPLACE Return Policy
Seasonic FOCUS Plus 550 Gold SSR-550FX 550W 80+ ATX12V & EPS12V Full 120mm FDB Fan ...
- Model #: LB073GY89G5
- Item #: 9SIVARYH6W9845
- Return Policy: Nature Return Policy
Altronix Proprietary Power Supply AL1002ULADA
- Model #: LB0006ZKVRG
- Item #: 9SIVARYH6Z2946
- Return Policy: Nature Return Policy
Dell Adp-70Bb Power Adapter 20V 3.5A 70W
- Model #: ADP-70BB
- Item #: 9SIV1W87N60955
- Return Policy: The Best Part Inc. Return Policy
Walrus Audio Aetos 8 Output Power Supply, White/Blue Limited Edition Hanukkah Aetos
- Model #: LB076RJFVB1
- Item #: 9SIVARYH6Y0369
- Return Policy: Nature Return Policy
BUCIER LM2596 Adjustable DC-DC Step-Down Buck Converter Module with LED Voltmeter ...
- Model #: B893
- Item #: 9SIV81TKMN1191
- Return Policy: Electronics store Return Policy
0950-3623 HP Power Suply 160 Watt For Pavilion PC's -
- Model #: 0950-3623
- Item #: 9SIV1W87N60981
- Return Policy: The Best Part Inc. Return Policy
HD437 DELL PV220 POWER SUPPLY 600W
- Model #: hd437
- Item #: 9SIV1W8CYE1378
- Return Policy: The Best Part Inc. Return Policy
CableMod C-Series Pro ModFlex Sleeved 8-pin PCI-e Cable for Corsair RM Yellow ...
- Model #: LB08GJQQL4D
- Item #: 9SIVARYH6Z1043
- Return Policy: Nature Return Policy
BOGEN PRS40C Power Supply PI-41-71D
- Model #: LB005Y6FX52
- Item #: 9SIVARYH6Y9825
- Return Policy: Nature Return Policy
ATHENA AT40 400W AT POWER SUPPLY Athena Computer Power AP-AT40 400W AT power ...
- Model #: SAB017O243SQ
- Item #: 9SIVARYK4W7535
- Return Policy: Nature Return Policy
Seasonic PRIME 750 Titanium SSR-750TR 750W 80+ Titanium ATX12V & EPS12V Full Modular ...
- Model #: LB075M3WC9K
- Item #: 9SIVARYH6X1613
- Return Policy: Nature Return Policy
ALTRONIX BC300 GREY ENCLOSURE W/CAM LOCK FITS UP TO (2) 12VDC/7AH BATT.
- Model #: LB003WD1U38
- Item #: 9SIVARYH702827
- Return Policy: Nature Return Policy
HP 437407-001 300 Watt Power Supply For HP Dc Series Mini-Tower PC's
- Model #: 437407-001
- Item #: 9SIV1W87N60551
- Return Policy: The Best Part Inc. Return Policy
Enermax Marblebron 550W Power Supply, 80 Plus Bronze, Semi-Modular PSU, Silent Fan, ...
- Model #: LB08K1TY6P1
- Item #: 9SIVARYH6W8630
- Return Policy: Nature Return Policy
BUCIER 5 Pack LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Adjustable Voltage ...
- Model #: B880
- Item #: 9SIV81TKMN1178
- Return Policy: Electronics store Return Policy
HitLights 12V 8A 96W DC Power Supply, UL Listed LED Power Adapter 120V AC to 12V DC ...
- Model #: LB00STTOS8Y
- Item #: 9SIVARYH6X4105
- Return Policy: Nature Return Policy
Altronix Proprietary Power Supply OLS75
- Model #: LB003XZYIR0
- Item #: 9SIVARYH6Z8961
- 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.
