The MicroP 1GB DDR2 SO-DIMM PC2-5300S RAM module is a single module with a total capacity of 1GB. It features non-ECC and unbuffered memory characteristics, making it suitable for various computer systems. With a form factor of SO-DIMM and a bus speed of PC2-5300S, this DDR2 SDRAM module from Micron is designed for high performance and reliability. Ideal for upgrading or replacing existing RAM modules, this 200-pin RAM module offers a compact and efficient memory solution for computers and laptops.