Raspberry Pi Model B 512 MB RAM
Short board specs -  Raspberry Pi Model B:CPU: 700 MHz ARM1176JZF-S coreVideo: Broadcom VideoCore IV,[58] OpenGL ES 2.0, 1080p30 h.264/MPEG-4 AVC high-profile decoderMemory: 512 MB (shared with GPU)USB ports: 2 (can be expanded with a usb hub)Video Outputs: Composite RCA (PAL & NTSC), HDMI (rev 1.3 & 1.4), raw LCD Panels via DSI, 14 HDMI resolutions from 640350 to 19201200 plus various PAL and NTSC standards.Audio Outputs: 3.5 mm jack, HDMIOnboard Storage: SD Card Slot ( external USB SSD or HDD can be used)Networking: 10/100 Ethernet (RJ45)Power Rating: 700 mA,  5 V Dimensions: 85.60  53.98 mm (3.370  2.125 in)Weight: 45 g (1.6 oz)