Power Supplies - Showing 1897 - 1920 of 17990 Products
Refurbished: KHACHIMO 80plus Gold 2011 1366 1U 400W Switching Power Supply FS9030
- Model #: 744623317229
- Item #: 9SIVB8UKD64629
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 700W Power Supply M1X-3700V M1X-3702V
- Model #: 726099223211
- Item #: 9SIVB8UKCU6295
- Return Policy: Magicpower Return Policy
Refurbished: For FSPATX350W P4 FSP270-60LE GPS-200AB A FLEX-250W Small 1U Power ...
- Model #: 726727733778
- Item #: 9SIVRWKKXA4061
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for GW-ERP2U1200 (90 +) 2U power supply 1200W
- Model #: 792597725014
- Item #: 9SIVRWKKXD9230
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO R510 910 T710 750W Power Supply 7001531-J000 7001531-J100 ...
- Model #: 744623302102
- Item #: 9SIVB8UKCV8222
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For 12V3A -12V0.8A 5V1A 60W Power Supply ...
- Model #: 759950244063
- Item #: 9SIVB8UKDA9112
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS For S814 S824 1400W Power Supply 01AF591 01AF048 00RR859 ...
- Model #: 716837096108
- Item #: 9SIVB8UKX62730
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 220V 250W Switching Power Supply GW-ONE250
- Model #: 744623316864
- Item #: 9SIVB8UKD64484
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 3020 7020 9020 MT Power Supply L290EM-00 AC290AM D290EM-00
- Model #: 792597707409
- Item #: 9SIVRWKKXD3596
- Return Policy: Nytke team Return Policy
Refurbished: For DJN3000 Inverter Power Supply 3KVA
- Model #: 722954728372
- Item #: 9SIVB8UKAA7508
- Return Policy: Magicpower Return Policy
Refurbished: For R920 server power distribution board 0XXHJ5 CN-0XXHJ5 XXHJ5
- Model #: 726727820782
- Item #: 9SIVRWKKXB1519
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for power supply 500W FSP500-20TGBAA 6P + 4P + 8P
- Model #: 716837089612
- Item #: 9SIVB8UKX60464
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for AC-PSR650-A-H3 H3C PSR650-A AC Power Module 650W
- Model #: 792597727773
- Item #: 9SIVTFFKXZ7516
- Return Policy: Zienroylein Return Policy
Refurbished: Power Supply For MER048-50010-A1 can replace MER048-50010-R2 ...
- Model #: 753525991949
- Item #: 9SIVB8UKAA8207
- Return Policy: Magicpower Return Policy
Refurbished: For AHF-11DC-1600W Power Supply L35705 EL4
- Model #: 752804578031
- Item #: 9SIVRWKKXB2270
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for R48-3000E3 48V50A power 3000W communication power supply
- Model #: 792597717781
- Item #: 9SIVRWKKXD7042
- Return Policy: Nytke team Return Policy
Refurbished: For ASA-180W-PWR-AC ASA5510/5520/5540/5550 Firewall Power Supply
- Model #: 752804573982
- Item #: 9SIVRWKKXB1778
- Return Policy: Nytke team Return Policy
Refurbished: For 832006-003 833186-002 DPS-600WB B 600W Power Supply
- Model #: 752804579175
- Item #: 9SIVRWKKXB2358
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO FSP 24Pin 500W Power Supply FSP500-60WSA PC6001 ...
- Model #: 744623315201
- Item #: 9SIVSY0KUT3884
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: KHACHIMO 80plus Platinum CRPS 800W Switching Power Supply ...
- Model #: 744623317359
- Item #: 9SIVB8UKD64631
- Return Policy: Magicpower Return Policy
Refurbished: QFX5100 QFX5200 EX4550 For Juniper JPSU-850W-DC-AFI 740-053638 ...
- Model #: 753525955170
- Item #: 9SIVB8UKAA0292
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for TC4600 TC6600 Server Power Supply DS 2000-3 - 002 2000W
- Model #: 716837097884
- Item #: 9SIVB8UKX62969
- Return Policy: Magicpower Return Policy
Refurbished: For MSA1000 MSA500G2 Power Supply 230331-001 304044-001
- Model #: 726727725308
- Item #: 9SIVRWKKXA2554
- Return Policy: Nytke team Return Policy
Refurbished: JPSU-150-AC-AFO DPS-150AB-10 A EX3400 150W AC Power Supply
- Model #: 753525955101
- Item #: 9SIVB8UKAA0264
- 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.
