Power Supplies - Showing 2113 - 2136 of 17946 Products
Refurbished: PWS-1K21P-1R 1200W Power Server Redundant Power Supply
- Model #: 753525949094
- Item #: 9SIVSYTKUT6334
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
Refurbished: For 02311TLF RH1288H 2288H V5 Server 900W Power Module PAC900S12-BE
- Model #: 722954723360
- Item #: 9SIVB8UKAA7012
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for power supply RVM04 power module
- Model #: 792597720330
- Item #: 9SIVRWKKXD7818
- Return Policy: Nytke team Return Policy
Refurbished: For X3650 X3550 M2 M3 675W server power supply 39Y7201 39Y7200 12V55A
- Model #: 726099253935
- Item #: 9SIVRWKKXD2060
- Return Policy: Nytke team Return Policy
Refurbished: For H318J D500E-S0 A500E-S0 60FPK R410 Server Power Supply 500w
- Model #: 726727774917
- Item #: 9SIVRWKKXA4214
- Return Policy: Nytke team Return Policy
Refurbished: For GE Vidvid S6 S5 Power Supply R2422038-2
- Model #: 753525943399
- Item #: 9SIVB8UKAA5268
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for TDPS-1350AB 114-00091 FAS3220 fas3210 fas3270 power supply
- Model #: 792597708406
- Item #: 9SIVRWKKXD3845
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO Power Supply 73-551-0030I 73-551-0048I
- Model #: 759950242717
- Item #: 9SIVB8UKDA8854
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 80plus Bronze H9-1400 750W Power Supply DPS-750AB-40 B ...
- Model #: 744623310343
- Item #: 9SIVB8UKD12051
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for S6730-H28Y4C,H24X4Y4C,H28Y4C-K Switch Power Supply ...
- Model #: 792597720767
- Item #: 9SIVRWKKXD7959
- Return Policy: Nytke team Return Policy
Refurbished: For 3Y YM-2721A YH-5721A Rated 720W Server Redundant Power Supply
- Model #: 722954730214
- Item #: 9SIVB8UKAA5617
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 24V Power Supply 6GK5008-0BA10-1AB2
- Model #: 759950246654
- Item #: 9SIVB8UKDA9397
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 500W Power Supply HF500W-QV-G
- Model #: 759950244483
- Item #: 9SIVB8UKDA9201
- Return Policy: Magicpower Return Policy
Refurbished: For AD222M53.5-1M2B Server Power Supply
- Model #: 752804575399
- Item #: 9SIVRWKKXB1986
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 12V0.42A Power Supply RAC05-12SK
- Model #: 759950239496
- Item #: 9SIVB8UKDA0273
- Return Policy: Magicpower Return Policy
Refurbished: S5500T S3900-M200 Storage Battery Fan BBU Module STLZ01CFBA 0235G6ES
- Model #: 703454720820
- Item #: 9SIVB8UKAJ6535
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 2K5S-P030 24V27V100A 30V 83.3A 2500W Switching Power Supply ...
- Model #: 792597719457
- Item #: 9SIVRWKKXD7495
- Return Policy: Nytke team Return Policy
Refurbished: R2G-6350P 350W 1+1 Dual Redundant Power Supply Firewall Server Power ...
- Model #: 753525954944
- Item #: 9SIVB8UKAA0249
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 12V90A 1100W power supply
- Model #: 792597706891
- Item #: 9SIVRWKKXD3463
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for R48-1000A Power Module 48V20A R48-1000A
- Model #: 716837093367
- Item #: 9SIVB8UKX61730
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO DC7700 7900 7800 365W Power Supply PS-6361-4HFD ...
- Model #: 744623304212
- Item #: 9SIVB8UKCW6154
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For EOS 24V 6.25A 150W Power Supply ...
- Model #: 759950243424
- Item #: 9SIVB8UKDA9012
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Small 1U 20Pin 200W Switching Power Supply ACE-816A
- Model #: 744623312132
- Item #: 9SIVB8UKD19659
- Return Policy: Magicpower Return Policy
Refurbished: For DLN-8F51 50W Power Supply
- Model #: 752804577034
- Item #: 9SIVRWKKXB2164
- 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.
