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OKdo launches Radxa Rock CM3 at ~$68

Oct 25, 2022 — by Giorgio Mendoza 1,847 views

OKdo launched yesterday the Radxa ROCK 3 Compute Module (CM3) which is based on the Rockchip RK3566 System-on-Chip. The CM3 is currently offered with 2GB RAM/32GB eMMC, one GbE Ethernet PHY, dual displays, dual SATA ports and many other peripherals.

The SoC found on the Rock 3 CM3 has the following features: 

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  • Rockchip RK3566 SoC:
    • Quad-core Arm Cortex-A55 (ARMv8) 64-bit (up to 2.0GHz)
    • Arm Mali-G52-2EE, OpenGL ES1.1/2.0/3.0/3.1/3.2, Vulkan 1.1, OpenCL 2.1
    • 1 [email protected], support INT8, INT16, FP16, BFP16, support deep learning frameworks such as TensorFlow, Caffe, Tflite, Pytorch, Onnx, Android NN, etc.
    • Video decoder 4K H.265/H.264/VP9, Video encoder [email protected] H.264/H.265


ROCK 3 Compute Module block diagram
(click image to enlarge)

OKdo is currently offering the CM3 equipped with 2GB of LPDDR4X RAM and 16GB of eMMC storage. However, it seems they will sell a variant with 4GB RAM and 32GB eMMC in the future. Additionally, there is support for two SATA interfaces. 


       
ROCK 3 Compute Module back 
(click image to enlarge)

The Radxa CM3 also has support for one Gigabit ethernet PHY, Wi-Fi 5 and Bluetooth 5.0./BLE. 

This computer module has various display interfaces including one HDMI port (4Kp60), one eDP (4Kp60), two 4-lane MIPI DSI connectors and one 4-lane LVDS (mux w/ MIPI DSIO).

Refer to the Radxa’s Wiki for additional information regarding official OS images compatible with this CM3

 


ROCK 3 Compute Module front 
(click image to enlarge)

Specifications listed for the Rock 3 CM3 include: 

  • Memory/Storage:
    • 2GB LPDDR4 RAM
    • 16GB eMMC
    • 2x SATA 3.0 
  • Connectivity:
    • 1x Gigabit ethernet PHY
    • 802.11 b/g/n/ac Wireless LAN (Wi‑Fi 5)
    • BT 5.0 with BLE
  • Display/Audio:
    • 1x HDMI (4Kp60/2Kp60)
    • 1x eDP four lanes (2.7 Gbps per lane) 
    • 1x Mic-in, 1x Line-out
  • Camera:
    • 2x MIPI DSI (1.6Gbps per lane)
    • 2x 2-lane
    • 1x 4-lane MIPI CSI camera port
    • 1x LVDS combo four lanes, mux with MIPI DSIO
  • USB:
    • 1x USB 2.0
    • 1x USB 2.0 OTG
    • 1x USB 3.0 (5Gbps)
  • I/O Interfaces:
    • 8x UART, 8x I2C, 4x SPI, 1x I2S
    • 50x GPIO, 2x ADC, 9x PWM
    • 1x PDM w/ mic array support
    • 1x SDIO 3.0 
    • 3x 100 pins 0.4mm pitch B2B connector 
  • Software:
    • Debian/Ubuntu Linux
    • Android 5.0/7.1/10/11
  • Power:
    • 5VDC @5A
  • Operating Temperature:
    • 0℃ to 80 ℃
  • Dimensions:
    • 55 x 40mm

 Further information

According to the product brief, “Radxa guarantees availability of the CM3 until at least September 2029.” As mentioned earlier, the 2GB/16GB variant of the CM3 is available for ~$68 on OKdo’s online store.

Additionally, OKdo is also advertising the Radxa ROCK 4 Model C+SBC for around ~$73. The Rock 4 Model C+ was covered in the past.  

(advertise here)


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PLEASE COMMENT BELOW

One response to “OKdo launches Radxa Rock CM3 at ~$68”

  1. Ray Knight says:

    These have been available from Allnet (one of Radxa’s Authorized Distributors for a couple of months now). I already have the D4E32W2 module which has 4GB RAM, 32GB eMMC and WiFi 5 as well as the D2E16W modules that has 2GB RAM , 16GB eMMC and WiFi 5.

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