Get the correct memory for your system:

OCZ PC2-4200 Platinum Revision 2 is the latest iteration of the Enhanced Bandwidth DDR2-533 series family. The PC2-4200 Platinum has been re-engineered to turn out heart-pounding 3-2-2 timings. The OCZ PC2-4200 Rev. 2 is built with the proprietary Enhanced Bandwidth Technology feature and offers lower-latencies than standard 533MHz DDR2 memory.

Each member of the OCZ PC2-4200 Rev. 2 family offers integrated platinum mirrored copper heatspreaders for efficient heat dissipation, a lifetime warranty, toll-free technical support and the exclusive EVP® (Extended Voltage Protection) coverage.

Manufactured to OCZ's rigid standards for quality and performance, the 533MHz DDR2 Enhanced Bandwidth Platinum Rev. 2 Edition is some of the fastest DDR2 available today.

Specifications:OCZ Enhanced Bandwidth Technology533 MHz DDR2CL 3-2-2-8CAS-TRCD-TRP-TRAS)Platinum Mirrored Copper HeatspreaderUnbufferedLifetime Warranty2.0 Volts240 Pin DIMM2.2V EVP - OCZ's unique Extended Voltage Protection feature allows PC2-4200 modules to handle voltages up to 2.2V ±5% and still be covered by OCZ's Lifetime Warranty.http://www.frozencpu.com/mem-37.html?id=XSADauVY