Super Talent overclocking memory is engineered for speed. After extensive testing, we select the fastest components available. Every module is tested at its rated specifications to guarantee performance. Matched pairs are tested in the latest Dual Channel motherboards. Our overclocking modules include an aluminum heat spreader for efficient cooling. Extreme Performance DDR and DDR2 DIMMs support high frequencies and low latencies for optimum performance 100% Tested at rated specs on popular enthusiast motherboards Aluminum heat spreaders included for efficient cooling Single modules: 256MB, 512MB & 1GB capacities Matched pairs tested on Dual Channel motherboards: 512MB, 1GB & 2GB kits Unbuffered DDR Unbuffered DDR2