Customer Ratings & Reviews

A very quiet and powerful power supply with ample connections for just about any pc build. 10 year warranty is great also, and the nice matte black paint and design are nice too.

Great, quiet PSU! The warranty provides peace of mind as well, that I can use it in my current computer and even future builds without concern over failure.

Great build addition to update my PC. Smooth power output given the UPS feeding it is giving it a stepped waveform supply.

It works, it doesnt come with the correct pins for my RTX 3070 Gaming OC by Gigabyte. It support everything a normal user would need. There, ya happy now Best Buy? I finally reviewed the dang product, now leave my email alone!

Great PSU. All modular connections. Excellent price for a Platinum rated powersupply. I have this running a Ryzen 9 5900 with a RTX 3080 TI without any problems

This power supply has worked very well. Mine did not include the cloth bag as pictured due to covid mask manufacturing, not a big deal but thought I'd mention that. Its a bit smaller than a regular psu so it'll fit better in some smaller cases, but keep in mind that it's not small form factor.

The best power supply. 10 years warranty. Excellent material construction.

I made the mistake of using a cable from my old PSU with this one (was too lazy to rewire it). The cables were not the same and my old HDD was fried. Don't be me, read the instructions and use the included cables. Otherwise this PSU is fantastic. I run it with the fan on and it still extremely quiet. Ready for that 3080 when its available.

This is a great powersupply when i plugged it in to test it i couldnt even tell that it was running other than that i could feel the air moving threw it. I used it for my first ever pc build and didnt have any problems, although the instructions weren't that great.

Usually keep the room temperature around 70-72F and my rig setup is drawing around 293W according to PCPartPicker so this 850W PSU probably overkill for me until I can get my hands on a NVidia 3080. The PSU stays quiet on low to medium load for me. Haven't played with the fan control and left it off. Fits the Cooler Master MasterBox Q300L mATX. My only complaint so far is about the PCIe cable has another PCIe connector that's daisy chained. I don't have use for it so it's just hanging out.

The installation is kinda trick about some steps, but I got figured out. The price I paid was ok. I have to say, it's very quiet and I'm impressed with the power consumption while it's in sleep mode (or stand-by)

Seasonic makes a great product in my opinion. All the reviews I read on them are always positive from different websites. Quality capacitors and other components. They protect the product well with a dense foam and cardboard. They have a 10 year warranty on this product.

The unit seasonic 850w power supply is on point! I run a 5950x and 6800xt no problem! My only gripe is the pcie cable ends are cheap! When trying to use the second pcie plug at the end of the supplied cable it doesn’t line up. From here on out I will be using custom cables or just get an rmx/rm/hx series corsair unit that has top notch no issue cables that come with it. The power supply is top notch, cables leave some room for improvement.

Of all the 850W psus I have for cryptomining, this is the best. I go through a lot of volume and this is the most compact and good efficiency. Running at full demand, the power efficiency beats an 80 plus gold PSU within a year if you run for business. 3 or 4 years when comparing it to a titanium PSU but those are rare. I don't think there's a cheaper platinum PSU out there and has most connectors I've seen on an 850W. - 2 x 8 pin Cpus - 3 x 2 * 8 pin PCIE - 2 x molex strands - 2 x sata strands For cryptomining, the number of connectors minimizes the need to buy adapters. (Please don't downvote just because I cryptomine, I know how the gaming community goes already).

Silent, powerful, and efficient. Since switching from an EVGA BQ Bronze psu for my high end system, ive seen a world of difference in efficiency and especially noise. My rig is nearly silent under load now, major game changer.

Excellent quality unit. Haven't had any issues with this psu since installing it. Rails are solid as a rock under load. I've been using Seasonic for 15+ years problem free. Don't skimp on your power supply if you want your gear to last.

This is the best consumer power supply on the market. It's platinum, and can run pretty much whatever components you hook up to it. It has a quiet mode, I haven't used it because I can't hear it anyway. No coil whine after a month of daily use.

I don't really feel qualified to review a PSU. But I purchased this for my first PC build and have had no issues with it in my first year of gaming and work on this PC.

Can't speak on longevity but it's a seasonic. Used it in my truenas scale server running multiple vm's. Has plenty of power and i'm not woried about it failinng!

Works well, nice cables included, only issue i had is that the included pcie cables all have the second set coming pff the end, wish they would have single ended cables. Would be much neater. Otherwise great product.