Model: DDR2. High-quality circuit module board: Effectively avoids corrosion and wear, durable and easy to carry. Compatible computer: laptop. (In the Baidu search bar, enter: "CPU-Z download" to search for a CPU-Z software download, decompress), after running the software, look at the "maximum bandwidth" column of the "SPD" option, you will see "PCxx00", as follows.
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