Power Supplies - Showing 2305 - 2328 of 17945 Products
Refurbished: HBX76 G2 S5 Power Supply 004827 E241 340 100V-240V 50 60Hz
- Model #: 703454925324
- Item #: 9SIVB8UKA98694
- Return Policy: Magicpower Return Policy
Refurbished: For 408947-001 XW8400 power supply TDPS-825AB B 825W 405351-003
- Model #: 703454721018
- Item #: 9SIVB8UKAJ6556
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply ST350-SFX FSP350-60GHS 9PA3508707 350W
- Model #: 724780779528
- Item #: 9SIVB8UKAA6746
- Return Policy: Magicpower Return Policy
Refurbished: For 8864N-R8 power supply SFXA5201C SFXA5201B SFXA5061B power supply ...
- Model #: 752804579793
- Item #: 9SIVRWKKXB2447
- Return Policy: Nytke team Return Policy
Refurbished: S7806 PWR-SPA
- Model #: 722954723605
- Item #: 9SIVB8UKAA7014
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO POWER J85480S-1 L20
- Model #: 759950245831
- Item #: 9SIVB8UKDA9319
- Return Policy: Magicpower Return Policy
Refurbished: For server power supply P2F-5400V P2H-5400V 400W
- Model #: 726727734058
- Item #: 9SIVRWKKXA3849
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for 8886 S Tool Case SAS RAID FRU 45W5002 45W4439 43W3584
- Model #: 792597722860
- Item #: 9SIVRWKKXD8458
- Return Policy: Nytke team Return Policy
Refurbished: 2866679 Power Supply QUINT-PS/1AC/48DC/5
- Model #: 724780181284
- Item #: 9SIVB8UKA98751
- Return Policy: Magicpower Return Policy
Refurbished: AD240-24 Original Disassembly Switching Power Supply 24V/10A 240W
- Model #: 724780777975
- Item #: 9SIVB8UKAA7598
- Return Policy: Magicpower Return Policy
Refurbished: For R1S2-5120V0V R1S-1120V 1+1 Redundant Power Module
- Model #: 722954731808
- Item #: 9SIVB8UKAA5760
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for GW-EPS650P GW-EPS550P server power supply
- Model #: 716837090410
- Item #: 9SIVB8UKX60629
- Return Policy: Magicpower Return Policy
Refurbished: LDA10F-3 Industrial Medical Equipment Power Supply 3V/2.0A
- Model #: 724780778996
- Item #: 9SIVRTNKX42937
- Return Policy: Jiamayanonly Return Policy
Refurbished: New Power Supply 5V60A 300W Power Supply CLW300-5-L
- Model #: 722954989193
- Item #: 9SIVB8UKAJ5565
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for ETP48100-B1 OLT Power Supply 48V50A100A
- Model #: 716837095262
- Item #: 9SIVB8UKX62430
- Return Policy: Magicpower Return Policy
Refurbished: 1U 300W Perfect Substitution XPS 2720 D260EA-00 0JG2C5 JG2C5 ...
- Model #: 753525943238
- Item #: 9SIVB8UKAA5254
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for R900 PE6950 A1570P-01 HX134 CY119 FW414 M6XT9 Server Power ...
- Model #: 792597725069
- Item #: 9SIVRWKKXD9216
- Return Policy: Nytke team Return Policy
Refurbished: For S6502 S6502XG 7502 switch LS8M5220PWR PSR300-A power supply
- Model #: 726727774757
- Item #: 9SIVRWKKXA4362
- Return Policy: Nytke team Return Policy
Refurbished: For DS-C9148S DS-C9148S-K9 Series Power Supply For DS-C48S-300AC ...
- Model #: 753525988925
- Item #: 9SIVB8UKAA7694
- Return Policy: Magicpower Return Policy
Refurbished: PS-5221-09/6/8 PE-5221-08 220WITX Small Case
- Model #: 722954988004
- Item #: 9SIVB8UKAA6533
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for M310 510PA-2181-2 HK280-72PP HK280-73PP180W
- Model #: 716837089292
- Item #: 9SIVB8UKX60320
- Return Policy: Magicpower Return Policy
Refurbished: For CX22PW12 Switch CX7M1PWD Module 53 57 Power Supply LS5M100PWD00
- Model #: 722954726286
- Item #: 9SIVB8UKAA7287
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply For DPR48/50C ESR-48/56CN ESR-48/56C N
- Model #: 753525989670
- Item #: 9SIVB8UKAA7751
- Return Policy: Magicpower Return Policy
Refurbished: For VNX3100 3150 078-000-072
- Model #: 726727820768
- Item #: 9SIVRWKKXB1494
- Return Policy: Nytke team 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.
