1. High speed and low power consumption, the computing module 4S is based on the for Raspberry Pi4B architecture, making it easy for users to migrate or upgrade from the computing module 3/3+ 2. upgrade, more powerful CM4S, the CPU is upgraded to BCM2711, quad-core Cortex A72 64-bit processor, more powerful performance and faster eMMC flash memory, with a transfer rate of up to 100MB/s, 4 times faster than CM3+ 3. CPU upgrade, more powerful performance, CPU upgraded to BCM2711, quad-core Cortex A72 64-bit processor, more powerful performance 4. Supports CM3 peripheral expansion board, access to Compute Module PoE expansion board, Compute Module PoE Board 5. Applicable for Raspberry Pi computing module Compute Module 4S RPI-CM4S-R2 supports CM3 expansion board 1. Processor:Broadcom BCM2711 quad-core Cortex-A72(ARM v8) 64-bit SoC @ 1.5GHz 2. Memory:8GB 3. Flash memory:32GB 4. Connectivity:USB 2.0 interface x1; 46 GPIO pins; SD card interface (only for versions without eMMC) 5. Video:HDMI interface (supports 4Kp60) x1; 2-lane MIPI DSl display interface; 2-lane MIPICSI camera interface; 4-lane MIPI DSI display interface; 4-lane MIPICSI camera interface 6. Multimedia:H.265 (4Kp60 decoding); H.264 (1080p60 decoding, 1080p30 encoding); OpenGL ES 3.0 7. Working voltage:2.5-5V/3.3V DC 8. Working temperature:-20℃-85℃ ambient temperature 9. Overall dimensions:approximately 67.6 x 31 mm Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use. Colour:As Shown Material:PCB Package Contents: 1 * Expansion Board Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.