DEVMO 2PCS Heat Bed Mosfet,3D Printer Heat Bed Power Module 3D Printer Board Expansion Board 25A MOS Tube High Current Load Module

I do not like leaving poor reviews...I really, really do not. That being said, you see where this is going.In my opinion, these are trash. They are slow to heat, have trouble maintaining temperature, and are poorly manufactured. I ordered a 2-pack and upon arrival the wire connections on one were already barely connected to the board and literally came off upon trying to loosen the screw to insert the v+. Fair enough, everyone is allowed a lapse in QC now and then. So tried number two, and although it did function and did not fall apart(thus the 2 stars-1 point for each heh), it did not function as intended. Heating was about half as fast as a 10 year old, lower rated mosfet, and it was unable to maintain temperature without an additional wire, which I deem unnecessary(and that part is just personal opinion as there are many printers that are wired that way in the wild). But even then, it could not maintain temp consistently, and heated so slow that it threw firmware errors as the time to rise a degree above 40 was far too long for the default firmware settings(and I'm sorry but I'm not modifying marlin and reflashing my firmware for something that stupid). There are better alternatives for similar money and from my personal experience with these I suggest you look at those alternatives.

Glad it came as a pack of two. First one worked great for 5 months with minimal use (on a 3d printer). It died and I was able to quickly swap in the other. Back up and running, but not the best longevity for a product of this type.UPDATE: One month later, the second one died.

Hooked up to SKR3 board, and a 12v heat bed! Started smoking! Had to shut it down immediately!