Crucial 32 GB 2 x 16 GB DDR4 SO DIMM 2666 MHz memory module Intel Xeon It boasts a storage capacity It boasts a storage capacity of up to 1 0 NVMe Yes SSD capacity 256 GB Number of SSDs installed 1 Total SSDs capacity 256 GB Storage media SSD Total storage capacity 256 GB Graphics On board graphics card model Intel Iris Xe Graphics On board graphics card family Intel Iris Xe Graphics On board GPU manufacturer Intel Discrete graphics card model Not available Discrete graphics card No On board graphics card Yes Audio Number of microphones 4 Built in microphone Yes Number of built in speakers 4 Audio system Dolby Atmos Audio chip Realtek ALC3306 Camera Privacy type Privacy shutter Privacy camera Yes Infrared (IR) camera Yes Front camera resolution 1280 x 720 pixels Front camera HD type HD Front camera Yes Network Near Field Communication (NFC) No Bluetooth version 5 With a product portfolio that includes upgrades for more than 100 Take the guesswork out of upgrading your Mac with Crucial® memory for Mac systems