Kingston Technology is the world?s independent memory leader and is well-known for providing high quality memory products at an attractive price. System Specific memory modules are designed and tested in the relevant systems prior to release; and they are guaranteed to be 100% compatible with your system. All Kingston System Specific memory come with a lifetime warranty. Memory clock speed: 533 Internal memory: 1024 Internal memory type: DDR Memory form factor: 200-pin SO-DIMM CAS latency: 4 Memory voltage: 1.8 V Registered: N Memory bus: 64 Module configuration: 128M X 64 Compatibility: LC.MEM01.008 (Acer) Rack mounting: 200-pin SODIMM Expansion slots: 2x