4gb ram
Windows 7 home premium 64-bit can support up to 16GB of RAM
4GB
over 9000
16GB
512 gb of ram
64 GB
The maximum amount of RAM supported by Vista is 128 Gb (Ultimate, Enterprise and Business).
Approximately 3GB of RAM is the most that Windows XP 32 bit will recognize. ^^^^^^^^^^^^^^^^^^^^^ Right but wrong.... 4Gb of RAM is the maximum amount that can be addressed by a 32 bit operating system
32-bit versions of Windows 2000 support up to 4 GB of RAM minus space used by devices in the address space on non-PAE capable systems. On PAE-capable systems, Windows 2000 can support, depending on the version, up to 64 GB of RAM.
The official minimum for a 64-bit installation is 2 GB of RAM. There is no "recommended" amount, as it depends on what you are trying to do. The maximum supported depends on what edition you are using: Windows 7 Professional and Ultimate support 192 GB of RAM. Windows 7 Home Premium supports 16 GB of RAM. Windows 7 Home Basic supports 8 GB of RAM.
Windows Vista will run on a computer with a minimum of 512 MB of RAM
No, all computers are not designed with a maximum limit on the amount of RAM it can support.