The ATX 3.0 standard demands a high level of reliability and power efficiency. While many CORSAIR PSUs meet these requirements, SF-L Series PSUs are formally certified for ATX 3.0 compliance.

SFX-L 850W Platinum | Power Supply Units | ROG Global ROG Loki SFX-L 850W Platinum | Power Supply Units | ROG Global

PLUS Gold certified, with 90% (115VAC) / 92% (220VAC~240VAC) efficiency or higher under typical loads To be 80 Plus certified means that the PSU has at least 80% efficiency at three load levels of 20, 50, and 100 percent loading. A Phanteks Revolt power supply can match the needs of modern components. With many high-performance CPUs requiring over 200W and GPUs reaching 450W+, an 850W supply is highly recommended. With its modular design, the Revolt PSU can support a wide variety of devices including NVIDIA RTX 40 Series GPUs, thanks to its dedicated 12VHPWR output. This new connection can deliver an astounding 600W along a single cable. All power is supplied safely thanks to the many forms of output protection Phanteks has built into the design, including Overpower, Over Voltage, Short Circuit, and Over Temperature protection.

Compatibility of the EVGA SuperNOVA 850 GM, 80 PLUS Gold 850W, Fully Modular, ECO Mode with FDB Fan, 10 Year Warranty, Includes Power ON Self Tester, SFX Form Factor, Power Supply 123-GM-0850-X1 (123-GM-0850-X1)

It has an 80+ Bronze efficiency rating with a tried and tested efficiency of over 85% under typical loads. Pros: The Adata XPG Core Reactor is another highly rated 850W PSU in the gaming PC building world! It’s fully modular and has an 80+ Gold efficiency rating. It features a virtually inaudible Silent Wings 3 135mm fan that offers quiet operations without compromising performance. Pros: I’ve seen most builders use the Cooler Master V850 SFX GOLD for their PC when building with Lian Li SFF cases. I presume you already have the estimated total wattage that your PC will draw, and an 850W PSU is the ideal power supply unit to complete the build.

850W Cooler Master V850 SFX : r/sffpc - Reddit 850W Cooler Master V850 SFX : r/sffpc - Reddit

The Asus ROG Loki 850W Platinum is an excellent choice for anyone looking for a special power supply with excellent efficiency for an SFF build. Therefore, the Asus ROG Loki 850W Platinum earns our top-tier award. The Phanteks Revolt PSU has been designed to offer outstanding performance and efficiency. Thanks to this, these PSUs can produce exceptional power output with minimal cooling. In fact, the cooling fan won’t even activate until the PSU reaches 30% load for zero noise. Once this load is reached, optimum temperatures can be maintained, thanks to the Revolt’s intelligent temperature control, which carefully balances cooling performance and noise levels. In addition to being whisper quiet, the 92mm fan’s fluid dynamic bearings also reduce vibrations which is ideal for minimising wear and tear. In fact, Phanteks is confident in every component within the Revolt SFX, that they offer an amazing 10-year warranty. Phanteks Revolt 850W SFX PSU Specifications: ATX 3.0 Compliant The wattage marked on the 12VHPWR’s connector is the recommended wattage. (Ref. Intel design guideline) The native 16 PIN (12VHPWR) PCIe connector of the SFX 850W can deliver up to 450W for PCIe 5.0 graphics cards. ATX power supply units are usually the industry standard for most builds. They are designed to fit the regular ATX, large EATX, and most mATX PC cases. ATX 3.0 is the new specification standard for PSUs. This new design adds a new PCIe 5.0 connector with 12 + 4 pins alongside the usual 6 or 8-pin connection.

Compact, colorful and really good! The first ATX 3.0 power supply from ASUS ROG knows how to please.

SP850 - LIAN LI is a Leading Provider of PC Cases | Computer

Heavy-duty protections, including OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), and OTP (Over Temperature Protection) It comes in a compact 140mm design to fit all ATX systems and features Seasonic patented hybrid fan control for optimal balance between silence and cooling. Pros:Toughpower SFX series comes with a 16pin connector to offer powerful and stable performance allowing the PSU to natively run next-generation GPUs. After deciding on the PSU wattage, the next thing you need to consider is the form factor. They’ll either come in the ATX or SFX form factor. Once you have decided on the form factor and modular design, the next thing you need to consider is the efficiency rating you can afford. Semi-modular PSUs have only the most important cables attached, with room to add extra cables as needed. The Thermaltake Toughpower Grand RGB 850W is built with high-quality components for efficiency. It’s fully modular with an 80+ Gold efficiency rating.

Thermaltake Toughpower SFX 850 Watt Fully Modular 80 - Scan

This PSU is easily the best looking SFX PSU that we have ever tested, and its specifications leave nothing to be desired. You can create an incredibly powerful small form factor system with the ROG Loki 850W, and with its Cybenetics Lambda A certification, you can be sure that your PSU will be one of the quietest components in your system.

Big Power from Small Form Factor PSUs

Simply put, an 850W 80 Plus PSU will draw a maximum of 1,062.5W at 100% load, which means less wattage is wasted as heat in the conversion process, saving your energy bill. Why you can trust Windows Central Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test. The Corsair RM850e is a close cousin of the RM850x, and while the latter is quieter, the RM850e is great for clean and tidy cable management due to its flat cables.