Model Brand CORSAIR Series XMS2 Model TWIN2X2048-8500C5 Type 240-Pin DDR2 SDRAM Tech Spec Capacity 2GB (2 x 1GB) Speed DDR2 1066 (PC2 8500) Cas Latency 5 Timing 5-5-5-15 Heat Spreader Yes Features EPP (Enhanced Performance Profiles) and also SLI certified