The Witcher website announces system requirements for The Witcher 3: Wild Hunt, revealing CD Projekt RED's upcoming RPG sequel requires a minimum of six gigabytes of RAM. Here the deal:

Minimum System Requirements
Intel CPU Core i5-2500K 3.3GHz
AMD CPU Phenom II X4 940
Nvidia GPU GeForce GTX 660
AMD GPU Radeon HD 7870
RAM 6GB
OS 64-bit Windows 7 or 64-bit Windows 8 (8.1)
DirectX 11
HDD Space 40 GB

Recommended System Requirements
Intel CPU Core i7 3770 3,4 GHz
AMD CPU AMD FX-8350 4 GHz
Nvidia GPU GeForce GTX 770
AMD GPU Radeon R9 290
RAM 8GB
OS 64-bit Windows 7 or 64-bit Windows 8 (8.1)
DirectX 11
HDD Space 40 GB