桌面系統的一般應用,打打Game什麽的,2GB即可,其他環境就看需求了,32-bit系統也是可以支援超過4GB內存的.

見表:
Microsoft Operating System Maximum Physical Memory Supported
Windows* 2000 Professional 4 GB
Windows 2000 Server 4 GB
Windows 2000 Advanced Server 8 GB
Windows 2000 Datacenter Server 32 GB
Windows XP Professional 4 GB
Windows XP 64 bit Edition 32 GB
Windows Server 2003 Web Edition 2 GB
Windows Server 2003 Standard Edition 4 GB
Windows Server 2003 Enterprise Edition 32 GB
Windows Server 2003 Datacenter Edition 64 GB
Windows Server 2003 Enterprise 64-bit Edition 64 GB
Windows Server 2003 Datacenter 64-bit Edition 512 GB