Power Supplies - Showing 2017 - 2040 of 17941 Products
Refurbished: 1Pcs for R48-3000e3 power supply, module 53.5V 3000W
- Model #: 792597718047
- Item #: 9SIVRWKKXD7024
- Return Policy: Nytke team Return Policy
Refurbished: Power Supply Module For HD22010-2
- Model #: 753525991222
- Item #: 9SIVSY0KUV6801
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1Pcs for N1 N2 N3 N4 NAS SFX-L Small Power Supply DPS-300W FSP-450W
- Model #: 716837092827
- Item #: 9SIVB8UKX61565
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 021312 Firewall Power PAC-350WD-L
- Model #: 792597721139
- Item #: 9SIVRWKKXD7996
- Return Policy: Nytke team Return Policy
Refurbished: CPR-4011-4M1 CPR-4011 HPE JL167A 400W
- Model #: 753525985542
- Item #: 9SIVB8UKAA9230
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 12Th Generation 3710 3910 T3660 5000 3000 7020MT 7010MT ...
- Model #: 726099251801
- Item #: 9SIVRWKKXD1484
- Return Policy: Nytke team Return Policy
Refurbished: DCJ6502-04 JPSU-650W-AC-AO 740-070749 650W Power Supply
- Model #: 753525955514
- Item #: 9SIVB8UKAA0337
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 600W Switching Power Supply PSM-6600P
- Model #: 726099223020
- Item #: 9SIVB8UKCU6317
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 450W 500W SFX ITX Small Power Supply FSP450-60GHS
- Model #: 716837091806
- Item #: 9SIVB8UKX61137
- Return Policy: Magicpower Return Policy
Refurbished: X3300 M4 Server Power Supply FSB013 94Y8056 94Y8057 94Y8082 Power ...
- Model #: 722954734182
- Item #: 9SIVB8UKAA6009
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for A1289 Power Supply 614-0435/0454 FS8001/DPS-980BB-2 A/-1A
- Model #: 792597710836
- Item #: 9SIVRWKKXD4396
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for R350 T350 R660 R550 R450 700W Power Supply H700E-S1 X1FHX
- Model #: 792597727797
- Item #: 9SIVB8UKX32815
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PSU For 3Y 820W Switching Power Supply YM-2821G
- Model #: 744623312170
- Item #: 9SIVB8UKD19673
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 2BDA 00E0646 00E0647 74Y3360 12X Channel
- Model #: 792597712991
- Item #: 9SIVRWKKXD4782
- Return Policy: Nytke team Return Policy
Refurbished: Communication Power Module HRS850-9000C
- Model #: 753525934311
- Item #: 9SIVSY0KUS8847
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: KHACHIMO XW8600 800W Switching Power Supply DPS-800LB A 444096-001 ...
- Model #: 744623305905
- Item #: 9SIVB8UKD01920
- Return Policy: Magicpower Return Policy
Refurbished: For 00J0254 IBM P740 P720 VRM
- Model #: 752804573586
- Item #: 9SIVRWKKXB1684
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for SP262-1S PWS-0055 1U Server Power Module 260W
- Model #: 792597725632
- Item #: 9SIVRWKKXD9381
- Return Policy: Nytke team Return Policy
Refurbished: 3040 3046 5040 7040 SFF DPS-180AB-18A 0M1C3 6WX7D CV7D3 9XD51 ...
- Model #: 753525985887
- Item #: 9SIVB8UKAA8476
- Return Policy: Magicpower Return Policy
Refurbished: Superdome 9000 2800W Switching Power Supply SP388-Y02A A5201-62045 ...
- Model #: 753525942491
- Item #: 9SIVB8UKAA5170
- Return Policy: Magicpower Return Policy
Refurbished: 400W Power Supply ACE-R4140AP1-RS ACE-R4140AP-RS
- Model #: 753525936346
- Item #: 9SIVB8UKA99430
- Return Policy: Magicpower Return Policy
Refurbished: DL320G2 Server Power 293367-001 288638-001, ps-5181-5c
- Model #: 722954734885
- Item #: 9SIVB8UKAA6084
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply Module For HD4830-3
- Model #: 753525990140
- Item #: 9SIVSY0KUU3143
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1PCS for FSP500-50FDB industrial computer server 500W
- Model #: 792597709748
- Item #: 9SIVRWKKXD4031
- 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.
