Packaging
Inside the box, you’ll find the the power supply itself, a power cord for the wall, a bunch of modular power cables, ATX Bridging Connector Plug (detection tool), mounting screws, some cable ties and velcro straps for cable management.
The Cables
- 1 x Wall plug power cable
- 1 x Modular ATX Cable (24-pin)
- 2 x CPU 8-pin (4+4) for motherboard
- 3 x PCIe 8-pin (6+2) for PCIE devices/components
- 1 x 12VHPWR (12v-2×6) pin for GeForce RTX 40 series. Rated up to 600W
- 3 x SATA (4 Straight SATA)
- 1 x PATA cable (Molex)
A Closer Look
The PSU comes in a standard ATX form factor and measures 150mm x 150mm x 86mm in dimension. As you can see from the label, the PSU features a powerful +12V single rail at 70.9A which gives you a maximum power output of up to 850W.
For cooling it uses a 135mm Striped Axial FDB fan, and comes with ASRock’s iCool Intelligent Fan Control Mode for low noise operation.
Interestingly, the SL-850G power supply is certified Cybenetics PLATINUM with LAMBDA A+ ratings. You’re probably asking what is this? Well, it’s a recognised certification for power supplies that high-light performance, build quality, reliability and noise level. For more information about Cybernetics and LAMBDA go here. With so much competition in the PSU makret, I can see more and more power supplies obtaining this certification in the near future.
Installation
For our tests, we installed the PSU on to our vertical open chassis. No issues with installation, everything fitted nicely. To power the GeForce RTX 4080 SUPER we used the included 16-pin 12VHPWR cable, which has a Dual Color Design and is rated up to 600W.
The flat modular cables allow you to achieve more air-flow within your chassis. They’re clearly labelled and easy to plug in. The package also includes some cable ties and velcro straps for cable management.
