DDR is the acronym for Double Data Rate Synchronous DRAM (SDRAM). DDR SDRAM memory technology has evolved from mainstream PC66, PC100 and PC133. DDR (double data rate) SDRAM memory technology is a revolutionary new technology derived from mature SDRAM technology. The secret to DDR memory's high performance is its ability to perform two data operations in one clock cycle - providing twice the throughput of SDRAM.

DDR DIMMs have the same physical dimensions as SDRAM DIMMs, but have a different footprint that uses 184 pins compared to 168-pin SDRAM DIMMs. Therefore, DDR memory technology is not backward-compatible with SDRAM and requires motherboards and systems especially designed for DDR

MEMORY SPECIFICATIONS

Memory Size 1GB

Memory Speed 400MHz PC3200

Memory Type DDR