Description: Raspberry Pi 4 Computer Module comes with heatsink and fan, Partnumber: CM4104000. It is CM4 4GB RAM version(with Wi-Fi built-in). Raspberry Pi Compute Module 4 incorporates a quad-core ARM Cortex-A72 processor, dual video output, and a wide selection of other interfaces. Features: Broadcom BCM2711 quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz H.265 (HEVC) (up to 4Kp60 decode), H.264 (up to 1080p60 decode, 1080p30 encode) OpenGL ES 3.1, Vulkan 1.0 4GB LPDDR4-3200 SDRAM 0GB ("Lite") eMMC Flash memory (without eMMC) With fully certified radio module: 2.4 GHz, 5.0 GHz IEEE 802.11 b/g/n/ac wireless; Bluetooth 5.0, BLE; Package Includes: 1 x Raspberry Pi Computer Module 4 (CM4104000) 1 x Aluminum Alloy CNC Heat Sink with PWM Fan for Raspberry Pi CM4 Module 1 x Screw Driver 4 x M2.5 Screw 4 x M2.5 Nuts 4 x Thermal Pad Technology support: wiki.52pi.com/index.php/ER-0028 https://wiki.52pi.com/index.php/Aluminum_Alloy_CNC_Heat_Sink_with_Fan_for_Raspberry_Pi_CM4_Module_SKU:_ZP-0112