Power Supplies - Showing 2377 - 2400 of 17980 Products
Refurbished: KHACHIMO RX200S7 RX300S7 450W Switching Power Supply DPS-450SB B ...
- Model #: 744623306742
- Item #: 9SIVB8UKD06263
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO CRPS 400W Switching Power Supply P1S-2400V-R
- Model #: 744623315287
- Item #: 9SIVB8UKD21949
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Module For ABB Power Supply PM564-R-AC ...
- Model #: 759950246449
- Item #: 9SIVB8UKDA9410
- Return Policy: Magicpower Return Policy
Refurbished: 390DT 990DT 790DT Desktop 250W Chassis Power Supply L250PS-01 ...
- Model #: 722954987663
- Item #: 9SIVB8UKAA6494
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 1U 20Pin 200W Switching Power Supply P1U-6200P
- Model #: 744623314914
- Item #: 9SIVB8UKD21910
- Return Policy: Magicpower Return Policy
Refurbished: For HK300-41GP MATX-2005 200W HK280-41GP SFX Small Chassis Power ...
- Model #: 752804576518
- Item #: 9SIVRWKKXB2082
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 1U 560W Replace 450W Switching Power Supply RSD-3600UP
- Model #: 744623312989
- Item #: 9SIVB8UKD19614
- Return Policy: Magicpower Return Policy
Refurbished: For FSP700-50RAB FSP500-70RGHBB1 FSP700-70RGHBE1 tower redundant ...
- Model #: 726727819441
- Item #: 9SIVRWKKXB1386
- Return Policy: Nytke team Return Policy
Refurbished: For R48300E3 R48-200A3 2000A3 3000A32900U
- Model #: 703454718322
- Item #: 9SIVB8UKAJ6277
- Return Policy: Magicpower Return Policy
Refurbished: For RH2285 Server Power Backplane DD-3151-2F-LF
- Model #: 726727820492
- Item #: 9SIVRWKKXB1531
- Return Policy: Nytke team Return Policy
Refurbished: For AG637-63601 460581-001 EVA4400 HSV300
- Model #: 726099254161
- Item #: 9SIVRWKKXD2054
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO ITX 150W Switching Power Supply FSP150-50FGNBI
- Model #: 744623311555
- Item #: 9SIVB8UKD12236
- Return Policy: Magicpower Return Policy
Refurbished: For HS21 39Y7360 39Y7400 74P4453 8677 Power supply 2000W
- Model #: 752804573197
- Item #: 9SIVRWKKXB1666
- Return Policy: Nytke team Return Policy
Refurbished: For MIN-6251P power supply 250W
- Model #: 703454719305
- Item #: 9SIVB8UKAJ6365
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 450W 510S B415 M510 M610 E74S TFX10 pin desktop small power ...
- Model #: 792597707652
- Item #: 9SIVRWKKXD3721
- Return Policy: Nytke team Return Policy
Refurbished: For RA4100 327740-001 Cabinet Power Supply 350W 326905-001
- Model #: 752804579243
- Item #: 9SIVRWKKXB2387
- Return Policy: Nytke team Return Policy
Refurbished: New For 15W 24V Power Supply S8FS-G01524C
- Model #: 753525991420
- Item #: 9SIVB8UKAA8052
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for PH400 rainproof power supply PZ400-12 12V30A PZ400-24 power ...
- Model #: 792597984060
- Item #: 9SIVB8UKX57002
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for OptiPlex 3020 7020 9020 SFF Small Chassis Power Supply L255ES-00
- Model #: 792597706297
- Item #: 9SIVRWKKXD3233
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for PowerEdge T310 Power Supply N375E-01 L375E-S0 T122K T128K
- Model #: 716837082873
- Item #: 9SIVB8UKX57503
- Return Policy: Magicpower Return Policy
Refurbished: For X3250M3 351W server power supply 49Y4661 49Y4663
- Model #: 726727730531
- Item #: 9SIVRWKKXA3175
- Return Policy: Nytke team Return Policy
Refurbished: B320 B340 B545 B550 B750 8Pin 250W Power Supply HKF2502-3A ...
- Model #: 753525944952
- Item #: 9SIVB8UKA99576
- Return Policy: Magicpower Return Policy
Refurbished: For RMS-6 DMX800 Storage Power Supply 071-000-326 7000672-0000
- Model #: 726727816747
- Item #: 9SIVRWKKXB0981
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO Power Supply For TDK-LAMBDA AIPHA 1000W Power Supply H10720 ...
- Model #: 759950240645
- Item #: 9SIVB8UKDA0386
- 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.
