What is a DMA card for gaming?
A DMA card is a small PCIe board that lets one computer read another computer's memory directly over the bus. In gaming cheats, that is how the game's memory gets read without anything running on the game PC.
A DMA card is a small PCIe expansion board that lets one computer read another computer's physical memory directly over the PCIe bus, without the operating system of either machine being involved in the transfer. DMA stands for Direct Memory Access, which is the same technique sound cards and network cards have used for decades to move data without bothering the CPU. In the cheating scene, the card is used in reverse: a second computer uses it to read the memory of the machine running the game.
What does a DMA card actually plug into?
Physically it is a PCIe card, so it needs a free PCIe slot on the machine whose memory is being read — the gaming PC. The card is then connected to a second computer by USB, and that second machine runs the software that interprets the memory it can see. So the hardware picture is two machines and one card: the card sits in the gaming PC, and a cable runs to the second PC, which does the reading. You are not replacing your graphics card or modifying the game in any way. The card is passive hardware; it does not execute game code, and it does not need a driver on the gaming machine for the read to happen.
Why does a DMA card need a second PC?
Because the whole point is to keep the cheat software off the machine that anti-cheat inspects. If the software that reads and draws an ESP overlay ran on the gaming PC, it would be an ordinary software cheat with an ordinary software cheat's detection surface. By moving that work to a second computer and leaving only a passive card in the gaming machine, the software never executes in a place the game or its anti-cheat can enumerate. The second PC handles the reading, the rendering of the overlay, and the aim assistance; the gaming PC just happens to have the card seated in a slot. If you want the honest version of what that second machine has to be, read what the second PC actually needs.
What can a DMA card actually do in game?
It gives the second computer a read view of the game's memory, which is enough for the two things people mostly want: ESP — drawing boxes, names, health and distance over players and other entities — and aim assistance, where the second PC computes a target and moves your mouse through separate hardware. Some setups also write to memory, which is how features like infinite stamina or recoil removal work, though writing is a meaningfully different risk profile from reading and depends on what the game tolerates. What a card cannot do is conjure a universal cheat for everything: the memory layout is specific to each game and each patch, so a reader has to be built and maintained per title. That maintenance is the real work, and it is why how DMA cheats work matters more than the hardware spec sheet.
Is a DMA card the same as a capture card?
No, and the confusion is common because both are PCIe cards that sit between two machines. A capture card takes a video signal in and gives a video signal out — its job is pixels moving one way. A DMA card reads memory addresses, not video, and its job is data transfer between two hosts. They are not interchangeable, and buying the wrong one is an expensive mistake. The related item people do need alongside a DMA card is a fuser, which takes the second PC's video output and overlays it onto your monitor so you can see the ESP. Fuser and capture card are different jobs done by different hardware; only the fuser is part of a DMA setup.
What does the whole thing cost?
The card is the main hardware cost and second-hand boards vary widely, with second PC and fuser on top. That is the real money in a DMA setup and it is entirely separate from the software licence, which is the cheap recurring part. Before buying anything, it is worth reading what a DMA cheat costs in total so the two numbers do not get conflated — and if you already have the hardware, the software side is what we provide.