Model Brand CORSAIR Series XMS2 Model CM2X512-5400C4 Type 240-Pin DDR2 SDRAM Tech Spec Capacity 512MB Speed DDR2 675 (PC2 5400) Cas Latency 4 Timing 4-4-4-12 Voltage 1.8V ECC No Buffered/Registered Unbuffered Heat Spreader Yes Features NVIDIA SLI READY