[alpha500delta]

Taken from here:

Minimum

* 1 GHz Processor
o Pentium 3 / Athlon or equivalent
* 256MB RAM
* Win 98/Me/2000/Xp/Vista
* 64MB Graphics Card (DirectX 9 compatible)
o Radeon 8500 / GeForce 3 or equivalent
* 8X DVD-ROM Drive
* 3.6GB free HD space
* DirectX 9 compatible soundcard

Recommended

* Intel pentium 4 HT 2,8 Ghz Processor Intel pentium D 3.0 GHZ / AMD Athlon X2 3800+
* 1GB RAM
* Win 98/Me/2000/Xp
* PCIe 256MB Graphics Card (DirectX 9c compatible)
o Radeon X800 / GeForce 6,7 or equivalent
* 16X DVD-ROM Drive
* 5.0GB free HD space
* DirectX 9 compatible soundcard

SA:MP specific

In addition to the standard Single Player requirements, SA:MP needs the following:

* 5.6MB free Hard Drive space
* An Internet Connection (512k+ Broadband is highly recommended for smooth online play)
* A copy of GTA San Andreas for PC - V1.0 [NOT V1.01, V2.0, V3.0]