Hardware

• CPU: ARM Cortex-A9
• 1 GiB SD-RAM
• 8 GB of internal storage

Connections

• DC-In power
• Micro-USB
• Ethernet port
• HDMI port
• USB 2.0 port

Motherboard: Standard gray OUYA

• RAM: Samsung K4B4G1646B 4 Gigabit DDR3 SDRAM modules (for 1 GB total)
• SMSC LAN9500A Hi-Speed USB 2.0 to 10/100 Ethernet Controller
• Texas Instruments TPS659110 Integrated Power Management Unit
• AzureWave AW-NH660 Wi-Fi/Bluetooth 4.0 module, based on Broadcom BCM4330
• Texas Instruments TPS51216 Buck Controller for DDR2/3/3L and TPS51225 Dual Step-Down Controller with 5V and 3.3V LDOs
• Nvidia T33-P-A3 Tegra 3 Multi-Core CPU
• Kingston KE4CN3K6A 8 GB eMMC (eMMC integrates a NAND flash memory and a controller chip in a single package)

Teardown images: https://de.ifixit.com/Teardown/Ouya+Teardown/14224

USB

shell@android:/ # lsusb                                                        
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0424:9e00 Microchip Technology LAN9500A/LAN9500Ai

Fan

Default fan: SUNON MagLev HA40101V4 DC brushless fan is rated for 12 volts at 0.8 W.

Noctua NF-A4x10 FLX, 3-Pin (40x10mm, Brown) can be used as replacement fan that is much quieter.

• http://web.archive.org/web/20190528035937/http://ouyaforum.com/showthread.php?8364-Replacement-fan-for-Ouya-(help)
• https://youtu.be/rra0FwlHvBA - OUYA Silent Fan Mod / Replace using Noctua NF-A4x10

Power adapter

• 12 volt
• 1.5 ampere
• barrel connector: + plus on the inside, - minus on the outside (center positive polarity)
• Size: 5.5mm on the outside, 2.5mm on the inside

UART pinout

J3 - 4 pin unpopulated header on the front of the board near the LED

• Pin 1: 3.3v
• Pin 2: TX
• Pin 3: RX
• Pin 4: GND

UART pinout photo part by ifixit.