The Genuine Apple Memory Module MF621G/A 32GB (4x8GB) PC3-14900E-13-13-E3 is a high-quality memory kit designed specifically for Apple computers. With a total capacity of 32GB spread across 4 modules, each with 8GB of DDR3 SDRAM, this memory upgrade provides fast performance and reliable storage. The PC3-14900 bus speed ensures quick data transfers, while the ECC memory feature adds error correction for added reliability. Ideal for enhancing the performance of your Apple system, this memory module is a genuine Apple product that you can trust for quality and compatibility.