Power Supplies - Showing 2305 - 2328 of 18360 Products
Refurbished: 1PCS for R510 R810 R910 Z1100P-00 1Y45R 3MJJP Server Power Supply ...
- Model #: 792597725205
- Item #: 9SIVRWKKXD9348
- Return Policy: Nytke team Return Policy
Refurbished: DPS-500LB A Server Power Supply Module 500W Power Supply DPS-500LB
- Model #: 722954737787
- Item #: 9SIVB8UKAA6367
- Return Policy: Magicpower Return Policy
Refurbished: Industrial Medical Equipment Power Supply 600W 2-5V/120A For ASTEC ...
- Model #: 724780779115
- Item #: 9SIVB8UKAA6682
- Return Policy: Magicpower Return Policy
Refurbished: AIO B325 B320 B340 B520 540 8Pin*2 200W Switching Power Supply ...
- Model #: 753525934786
- Item #: 9SIVB8UKA99266
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO AC220V Only Switching Power Supply FM-AT48
- Model #: 744623316970
- Item #: 9SIVB8UKD64479
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for h9-1400 PS-8501-2 OOPC789 Power Supply 500W
- Model #: 792597726158
- Item #: 9SIVRWKKXD9622
- Return Policy: Nytke team Return Policy
Refurbished: For eNSP3-450P power supply eNSP3-450P-S20-H1V
- Model #: 726727731682
- Item #: 9SIVRWKKXA3380
- Return Policy: Nytke team Return Policy
Refurbished: 0.45A 24V Power Supply For VAF1024 XOMM VAF1024 X0MM
- Model #: 753525989434
- Item #: 9SIVB8UKAA7752
- Return Policy: Magicpower Return Policy
Refurbished: For NF5220 NF5240M3 NF5225 GW-2U600 600W Server Power Supply
- Model #: 726727721690
- Item #: 9SIVRWKKXA2228
- Return Policy: Nytke team Return Policy
Refurbished: For R2Z-6350P-R 350W Server Industrial Computer Firewall Power Supply ...
- Model #: 722954731556
- Item #: 9SIVB8UKAA5757
- Return Policy: Magicpower Return Policy
Refurbished: For T420 server power supply DPS-550PB A 96R8Y DH550E-S1 550W
- Model #: 726099253881
- Item #: 9SIVRWKKXD1980
- Return Policy: Nytke team Return Policy
Refurbished: USG6300 Communication Power Module For ASTEC ME170-12A-2 W0PSA1702
- Model #: 753525933642
- Item #: 9SIVT8HKWF2630
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: For RX300 S5/S6 Server Power Module DPS-800GB-3 A
- Model #: 752804574736
- Item #: 9SIVRWKKXB1882
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for TS430 TS530 GPS-400CB B A 400W ATX Power Supply REV36002256
- Model #: 716837092490
- Item #: 9SIVB8UKX61394
- Return Policy: Magicpower Return Policy
Refurbished: For PWR-MX960-AC-S-B MX960 Power Supply 740-013682 DCJ17001-01P
- Model #: 752804573975
- Item #: 9SIVRWKKXB1765
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for G10 800W 865436-101 865435-001 866793-001 865438-B21
- Model #: 716837084464
- Item #: 9SIVB8UKX58075
- Return Policy: Magicpower Return Policy
Refurbished: ML150G5 650W Power Supply TDPS-650BB B 459558-001 461512-001
- Model #: 753525942552
- Item #: 9SIVB8UKAA5147
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply DS-KAA8402-Y
- Model #: 759950244544
- Item #: 9SIVB8UKDA9178
- Return Policy: Magicpower Return Policy
Refurbished: Server Power Supply ML370 G2 G3 216068-002 230993-001 EPS115 500W
- Model #: 753525956733
- Item #: 9SIVB8UKAA8932
- Return Policy: Magicpower Return Policy
Refurbished: PWR350A Power Module AR0MPSAP3500 Power Supply AR2240 AR3260
- Model #: 722954732744
- Item #: 9SIVB8UKAA5835
- Return Policy: Magicpower Return Policy
Refurbished: PE2850 PowerEdge 2850 power supply 700W 7000814-Y000 0FJ780 0GD419
- Model #: 703454721650
- Item #: 9SIVB8UKAJ6629
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PowerEdge 1750 320W Switching Power Supply PS-2321-1 ...
- Model #: 744623315515
- Item #: 9SIVB8UKD46434
- Return Policy: Magicpower Return Policy
Refurbished: Power ACE-890A industrial control power supply 1U 8-pin special port
- Model #: 703454717417
- Item #: 9SIVB8UKAJ6139
- Return Policy: Magicpower Return Policy
Refurbished: 332829-001 145 WATT POWER SUPPLY
- Model #: 332829-001
- Item #: 9SIVSYTKUT4906
- Return Policy: SuZhouLiYuanLiXinBaiHuo 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.
