Model Brand OCZ Model OCZ2G10664GK Type 240-Pin DDR2 SDRAM Tech Spec Capacity 4GB (2 x 2GB) Speed DDR2 1066 (PC2 8500) Cas Latency 5 Timing 5-6-6-18 Voltage 2.1V Heat Spreader Yes Features 2.15V EVP Recommend Use High Performance or Gaming Memory Manufacturer Warranty Parts Lifetime limited Labor Lifetime limited ------------- Model Brand OCZ Series Platinum AMD Special Model OCZ2P1066AM4GK Type 240-Pin DDR2 SDRAM Tech Spec Capacity 4GB (2 x 2GB) Speed DDR2 1066 (PC2 8500) Cas Latency 5 Timing 5-5-5-18 Voltage 2.2V Buffered/Registered Unbuffered Multi-channel Kit Dual Channel Kit Heat Spreader Yes