I'm planning to add a 1200W power supply for extra headroom and to make future hardware experiments easier. I'm currently deciding between the Lian Li SX1200P and the ASRock Steel Legend SL-1200P.
The ASRock costs a little more and already has a Cybenetics Platinum rating. The Lian Li is cheaper and matches my build's aesthetic better, and it may receive Cybenetics certification soon. My main concern with the Lian Li is that review units appear to use 420V capacitors, while retail units may use 400V capacitors.
The PSU will power a workstation with a Ryzen 7 9800X3D, 128GB of DDR5 memory, and two Radeon RX 9070 XT cards. Components may be swapped regularly, so I'd appreciate advice on which unit offers the better combination of efficiency, acoustics, reliability, and upgrade headroom.
2 Answers
Another option worth considering is the Corsair HX1500i. It has a Cybenetics Platinum rating, has been efficient and quiet in use, and offers even more headroom for future upgrades. I’ve also had good results with the older HX1000, so Corsair has been reliable in my experience.
With a 9800X3D, 128GB of memory, and two 9070 XTs, the extra capacity makes sense, especially if you expect to change parts often. Between the two models, the ASRock seems like the safer pick on paper because its efficiency certification is already established. If appearance and price matter more, the Lian Li may still be perfectly reasonable, but I’d want confirmed retail specifications before buying.
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