Kingston Technology is the world's independent memory leader and is well-known for providing high quality memory products at an attractive price. HyperX memory modules are designed for the high-performance and PC enthusiasts markets and offer high speeds and low latencies. Only the best components are used to assemble HyperX memory modules in order to guarantee the highest performance. All Kingston HyperX memory modules come with a lifetime warranty. Memory clock speed: 667 Internal memory: 2048 Internal memory type: DDR2 CAS latency: 4 Memory voltage: 1.8 Lead plating: Gold Operating temperature range (T-T): 0 - 55 Clock cycle time (CL4): 8 Row cycle time: 60 Row active time: 70000