What are the memory and storage specifications for the Rockchip RK3399?

The Rockchip RK3399 has the following memory and storage specifications:

Memory:

• Type: Usually supports DDR3 or DDR4 memory, among which DDR3 memory is more common, for example, some development boards are equipped with 4GB DDR3 memory.
• Capacity: 2GB, 4GB, etc., like Rockchip's RK3399 kernel board, which has 2GB and 4GB of RAM, and the RK3399 Android motherboard, which has 4GB of DDR3 RAM.

Storage:

• Types: The main two types of storage include EMMC and TF card expansion, some devices will have built-in EMMC storage, while reserving a TF card slot to meet the user's demand for larger storage capacity.
• Capacity: The capacity of EMMC storage is generally available in 8GB, 16GB, 32GB, 64GB, 128GB, etc. For example, the Tongshi h3 video conferencing terminal is equipped with 8GB of storage, while the ZK-S1050 face attendance and access control all-in-one machine of Zhongzhong Wisdom is equipped with 32GB of built-in storage.