[chris_j11]

sony vaio pcv-rx850

crucial.com said i should get this memory:
256MB DDR PC2100 which is a 184 pin
but can i used either of the 2 below instead:
Azen 256MB 333MHz DDR Memory
Azen 256MB 184 Pin DDR DIMM Memory

 

[johnwill]

The speed is not an issue, but I don't know about the packaging of those two other modules. If this is just a standard desktop machine, the biggest issue is registered vs. non-registered memory, some machines need a specific type.