don't go with squirrel from lambdaconcept if you want the cheapest since you'll have to spend extra on CFW
Some known brands are LeetDMA, Lurker, Terminator etc (come with firmware pre-flashed)
All the dma cheats u can find are using Pcileech so any DMA would work as long as it has a pcileech-based firmware flashed.

(firmware pre-flashed too)
^discounted rn 255USD shipping included