PNY Optima memory offers a great upgrade for DDR-based system. Whether it's for an Intel or an AMD platform, this memory rated at DDR 400 delivers a perfect combination of performance, reliability and value. Boost the performance of your PC. PNY memory upgrades will prove to be an outstanding value now and in the future. Cas Latency: 3 Voltage: 2.5V Heat Spreader: No Parts: Lifetime limited Labor: Lifetime limited