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Corsair CP-9020186-UK SF750 80 Plus Platinum Certified Power Supply Unit, SF Series, 750 W, Fully Modular - Black (UK)

£9.9£99Clearance
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About this deal

We are happy to see Corsair have adopted all Japanese capacitors in both primary and secondary stages to offer long term reliability and stable operation under heavy load conditions. The primary bulk capacitor is by Japanese manufacturer Nippon Chemi Con and is rated 105c. All PC power supplies contain very high voltages and even with the power disconnected, the voltages stored in the capacitors can be easily enough to kill. It is not recommended to take the cover off any PC power supply for this reason unless you are absolutely confident of your own ability. Because of the grave dangers involved, all PC power supplies by law carry a warning label forbidding removal of the power supply case. Thanks to its super compact SFX size, the Revolt SFX is ideal for small form factor chassis. This PSU boasts a length of only 100mm, freeing up space for cable management and airflow. Both of which are essential in small PC cases. FULLY MODULAR An Unprecedented 750 Watt SFX PSU: Harness 750 continuous watts in SFX form, perfect for the most power-dense small-form-factor PCs.

Power Factor Correction (PFC) is used in some equipment to minimise the inductive component of the electrical current. This helps to reduce the losses in the electrical supply to that equipment. Power Factor Correction capacitors are normally used to reduce induction in an electrical load, which minimises wasted energy and hence improves the efficiency of a company and reduces electricity costs. If you are interested in being “green” and saving the planet, you might like to read a short explanation of how our power supplies can save energy using Active PFC (Power Factor Correction), not to be confused with Power Conversion Efficiency which is also very good in most of our PSUs. “Power Factor” is a measure of how efficiently electrical power is consumed. Ideally, Power Factor would be 1 (or 100%) and known as unity. This Phanteks SFX PSU is 80 Plus Platinum certified, achieving 92% efficiency at 50% system load. Not only is this power supply efficient, the Revolt SFX is equipped with a silent zero RPM mode. This means when the PSU is below 30% system load the high quality 92mm Fluid Dynamic Bearing fan is inactive, enabling ultimate silence. Phanteks Revolt SFX 750W 80 Plus Platinum PSU Specifications: PSU Dimensions (L x W x H) Designed with a native PCIe 12+4 pin modular connector, the Toughpower SFX series is built for next-gen PCIe Gen 5.0 graphic cards, and is fully compatible with Intel ATX 3.0 specifications. The fully modular Toughpower SFX series comes in 1000 W, 850 W, and 750 W, and is built to deliver 80 PLUS Gold efficiency. The compact size of Toughpower SFX Gold series perfectly fits in any ATX or ITX case. SFX power supplies always have to make sacrifices in regards to fan noise, and thankfully Corsair have taken some clever steps forward to alleviate this potential headache. They have adopted a larger 90mm rifle (normally 80mm) bearing fan inside this supply, and thanks to Corsair's Zero RPM system, it does not spin at all under lower or even normal load situations.Additionally, as we would expect in this price point, the SF750 is a fully modular power supply featuring very high Platinum efficiency certification. This is a standard sized SFX chassis too – its not one of the extended length versions we see from time to time from other companies. We tested this power supply and it was not only able to deliver a continuous 750W, but it almost delivered 790W before it shut off safely. This is very reassuring to see and we recorded a long run at 770W load without any problems or potential shut down issues occurring. isn't SFX, it's SFX-L. None of the other SFX and SFX-L makers stoop to this level of bullshit marketing, TT. No other company does this "well technically it's all officially SFX" because they understand that the extra 25mm makes or breaks SFF builds.Yep, this is pretty terrible marketing wise. Looks like a good PSU (though of course that can't be judged from specs alone), but being clear about its form factor is a pretty basic requirement. Then again, this is Thermaltake. Their slogan might as well be "There is always something wrong with our products".

It is likely if you have this supply in your system and you are doing general work it won't make a noise at all. Under higher load situations, the fan will spin, but until you are close to 80% load, it won't really make its presence known. At full load, the fan is quite noisy but we would expect this – after all it is still only 90mm in diameter. The most powerful SFX power supply in the market, perfect for the most power-dense small-form-factor PCs. 80 PLUS PLATINUM CERTIFIED Thermaltake, the leading PC DIY premium brand for Case, Cooling, Gaming peripherals, and enthusiast memory solutions, is excited to announce their latest addition to the PSU lineups, the Toughpower SFX series, which is designed to meet ATX 3.0 standards and is PCIe Gen 5.0 ready. Designed to run with the RTX 40-series series graphics cards and the latest Intel CPUs, the Toughpower series comes with an SFX-sized form factor and fits in the mainstream ATX and ITX cases, which is essential for users looking to put together a smaller-footprint build. The following are the Toughpower SFX series's dimension for your reference. 750 W & 850 W: 125 mm (W)x63.5 mm (H)x100 mm (D); 1000 W: 125 mm (W)x63.5 mm (H)x126 mm (D).Compatible with both the latest Intel SFX 12V 3.42 and ATX 12V 3.0 standard and designed with native PCIe 12+4pin modular interface.

At 788 watts, the efficiency level measures 91.6%. Not a practical situation to be running 24/7, but worth noting. There are a total of eight individually sleeved modular cables in the box and there are plenty of connectors to cater for the majority of enthusiast system builds. We can see that the 750W version also ships with 2 4+4 Pin EPX/ATX12V connectors, a great addition to see. The cables are quite short, intentionally, to ensure system builders are not dealing with very long cables inside a small form factor case. It is worth noting this however if, for some reason you are intend on using this power supply inside a larger chassis. The unit passes our Cross Load testing without any problems. When hit with 60 AMPS the +12V rail held at 11.88. Not a very realistic situation in real life, but a good sign that the design works well. Phanteks has just launched its all-new Evolv Shift XT expanding ITX chassis and Revolt SFX series power supplies. The Evolv Shift XT takes a fresh approach to small form factor builds with its adjustable height. Three configurations are possible depending on the amount of cooling you need or desire. Electrolytics: 1x Nippon Chemi-Con (4-10,000 @ 105°C, KY), 2x Rubycon (3-6,000 @ 105°C, YXG) Polymers: Nippon Chemi-Con (G61B, G8, G84R, G84G, G85F), 6x Nichicon (LG)Next we want to try Cross Loading. This basically means loads which are not balanced. If a PC for instance needs 500W on the +12V outputs but something like 30W via the combined 3.3V and +5V outputs then the voltage regulation can fluctuate badly. Cross Load Testing Toughpower SFX series is fully compatible with Intel ATX 3.0 Specifications which supports up to 200% power excursion, reaches 70% low load efficiency and complies with required power supply timing standards. DC-DC Converters: 4x Infineon PSMN2R0-30YLE (30V, 100A @ 100°C, 2.8mOhm @ 100°C) PWM Controller: APW7159C We take the issue of noise very seriously at KitGuru and this is why we have built a special home brew system as a reference point when we test noise levels of various components. Why do this? Well this means we can eliminate secondary noise pollution in the test room and concentrate on components we are testing. It also brings us slightly closer to industry standards, such as DIN 45635. This is the first desktop PSU with fan failure protection I have come across. In other words, if the fan has a problem or the PSU doesn't detect it, which would happen if it isn't connected, the SPX-750 won't start.

Load regulation proves to be very good, holding within 2% of the recommended guidelines. Corsair SF750 SFX Toughpower SFX series saves energy through its high energy efficiency up to 90% and is certified to 80 PLUS Gold. The series has been optimized to work with all generations of Intel's processors to achieve maximum energy saving. PLUS Platinum Certification: Ensures ultra-high efficiency operation for less excess heat and lower operating costs. SF Series power supplies give you 80 PLUS Platinum efficiency, excellent electrical performance, and virtually silent operation in a SFX form factor. With 105°C Japanese capacitors and Zero RPM fan mode, they’re a great choice for high performance small form factor PC’s where reliability and low noise are essential. AN UNPRECEDENTED 750 WATT SFX PSU

ZERO RPM FAN MODE

Corsair are using Great Wall as the partner for this particular power supply design. The layout, construction and overall design is very similar to the SF600 model in the range which we had a look at before. All of the electrolytic capacitors inside are Japanese made, which is good to see – especially as Corsair claim this in their literature. The primary bulk capacitor is made by Nippon Chemi Con rated for 470uF, 420C and 105C. Today to test the power supply we have taken it into our acoustics room environment and have set our Digital Sound Level Noise Decibel Meter Style 2 one meter away from the unit. We have no other fans running so we can effectively measure just the noise from the unit itself. Zero RPM Fan Mode: The fan stays off until it’s needed, for silent operation at low and medium loads. The Corsair SF750 is an SFX power supply – and not one of the many extended units we have seen in recent years – its only 63mm x 125mm x 100 mm (HxLxW). Please consider the above points very carefully before proceeding with an operation to replace the fan in your existing power supply!

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