Seasonic PRIME PX-1600 - 1600W - 80+ Platinum - ATX 3.0 & PCIe 5.1 Ready - Full Modular - Premium Japanese Capacitor - 12 Year Warranty - Nvidia RTX 30/40 Super & AMD GPU Compatible (Ref. SSR-1600PD2)

High quality build and feel, came well packaged. Looks nice, works great, easy to install and fits snuggly into my case, and is powering a server motherboard with dual EPYC processors and two GPUs without a hiccup. Well worth the price.

Its been truly great after a few months of using it now. It lowered GPU whine on a XTX and a 4090 over my past mid end PSU. It's very quiet, never gets hot. Cables it came with were nice quality. Unbelievable efficiency, check hwid and you will be shocked by how great it converts power. Just a true winner.

This power supply barely fit in a recently rebuilt system. But it provides plenty of power connections, more than I needed for the current build. The modular power supply made it easy to use just the connectors that were needed for my build. The cables are constructed in order to make routing easier than other cables that I've used in the past.

Excellent! Well worth the investment if you can afford it. The most important component of a pc. Everything else in your system relies on it, so why not protect them the best you can. The warranty is VERY long, so it could be used on multiple pc builds before you need to upgrade (as long they don't keep changing the GPU power cables. Figure it out NVIDIA!).Seasonic really takes care of you with this PSU. The TX-1300 comes with all the current cables that you will need (including a 12v 2x6). And it comes with a nice PSU tester! I HIGHLY suggest using the tester first, before you get into hooking up any cables to the motherboard. You can even test the PSU without a motherboard. It could save yourself alot time trouble shooting. One GREAT bonus feature of the tester is that it is also a 90 degree adapter for the 24 pin cable. You can leave the tester on and use it permanently (I emailed Seasonic support to confirm). Helps with esthetics and better air flow.Another feature is that it has auto fan mode if you want it quiet. I have not heard it once yet while gaming, so I leave it in standard mode.-VERY SMALL cons:It comes with clear wire combs that I found to difficult to get on to the individual wires. They were very tight, so the wires are difficult to put in. I had to had to stretch them with my teeth (I am not proud about this or recommend). I am still deciding if I like the clear plastic of the combs also. I think I prefer black or white better.The TX-1300 is long. Make sure you have room in the case. I have the FLUX PRO, which has an option of installing a PSU sideways for better cable access. I was not able to use this feature of the case, due to the PSU length. No big deal.All and all, this is a excellent PSU. If you want high quality 1300 watts, this is the one to get! No doubt!

Only superlatives comes to the mind with this massive power supply. From the box, all the cables, the casing, accessories, everything screams 'high quality'. Very heavy, the PCB connectors are extremely well made, all the cables are top notch quality and seats with a pleasant click noise. Talking about noise, once you turn on your computer, you quickly realize how dead silent its this power supply. While running 3dmark fire strike extreme with my RTX4090 drawing 500 watts (plus an i9 13900k, 64gb DDR5 and a ton of RGB) the power supply doesn't even sweat. The plan its to add a second 4090 to practice with AI, that's why I decided to shell $600 on the best power supply available to have plenty of juice for both GPUs. Be aware this power supply is big, so you will need a big space inside your case..In short, this thing is amazing, super high quality cables, ultra silent and absolute performance. If you have the $600, pull the trigger, you wont be disappointed.

On 07/06/25 I received this Seasonic PX-1600 PSU, it came with the plug sockets on the PSU labeled "PCIe gen5" and the 600W cables labeled "12V-2x6" and H++. The older version came with cables and plug labeled 12vhpwr. So it looks like this is the new updated version of this PSU. This is an awesome PSU, best of the best. I tested it right away, and it tests excellent. If you want the best and don't mind the price tag, then this is the one you want, remember you usually get what you pay for.

I purchased this power supply to power an Asus Astral RTX 5090.I use software called Asus Tweak 3 to monitor the amps going through each of the 6 pins.Two of the six pins are in red indicating that the cable is bad and needs replaced.The cable has been fully inserted and there are no sharp bends in the cable.Seasonic refuses to replace the faulty cable despite me sending screenshots of the two pins being in red.I purchased the power supply just two months ago.It is supposed to have a 12 year warranty.Do yourself a favor and remember that a warranty is only as good as the company that backs it.This company doesn't even deserve 1 star.Seasonic is about as bad as it gets when honoring their warranties

Excellent build quality, packaged cables are high quality. Hybrid mode works very well. The TX1600 is an ultra high end PSU.