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Small green M.2 2230 E-key board with two Coral Edge TPU chips

KEHIPI

KEHIPI Coral Dual Edge TPU M.2-2230 E-key development board

SKU CH-2R03-HA7D8

M.2-2230 E-key module with two Google Edge TPUs delivering 8 TOPS total int8 performance

  • Two Edge TPUs deliver 8 TOPS total int8 performance
  • Each accelerator runs at 4 TOPS using only 2 watts
  • M.2 2230 E-key form factor with dual PCIe Gen2 x1 links
  • Execute MobileNet v2 at nearly 400 frames per second on one TPU
  • On-device inference cuts latency and keeps data private

Dual Edge TPU accelerator module

The KEHIPI Coral board integrates two Google Edge TPU accelerators on a single M.2 2230 E-key module. Each TPU delivers 4 TOPS of int8 performance for a combined 8 TOPS peak. The module targets developers who need on-device TensorFlow Lite inference without cloud connectivity.

Dual PCIe Gen2 x1 interfaces

Each Edge TPU connects through its own PCIe Gen2 x1 lane, so the module occupies two independent interfaces on the host. This dual-lane design means the card will not work in M.2 E-key slots that expose only a single PCIe lane. The manufacturer highlights special power requirements that must be reviewed before integration.

Compatibility and power constraints

Because the board uses two PCIe x1 connections, it is incompatible with many M.2 E-key slots that provide only one lane. The dual TPUs also create specific power demands that differ from single-accelerator modules. Buyers who need a drop-in single-lane solution or who cannot meet the documented power profile should consider other options.

Points forts

  • Two Edge TPUs deliver 8 TOPS total int8 performance
  • Each accelerator runs at 4 TOPS using only 2 watts
  • M.2 2230 E-key form factor with dual PCIe Gen2 x1 links
  • Execute MobileNet v2 at nearly 400 frames per second on one TPU
  • On-device inference cuts latency and keeps data private

Caractéristiques

BrandGoogle Coral
ModelG650-06076-01
Part NumberG650-06076-01

Questions sur cet article

What does each PCIe Gen2 x1 interface cap in practice?

Each Edge TPU runs at 4 TOPS over its own PCIe Gen2 x1 link, giving 8 TOPS total when both accelerators are used.

What slot and clearance does the M.2-2230 E-key module need?

It fits a 2230 E-key slot but requires two PCIe x1 connections, so not every E-key slot supports it.

How is the board installed and what step is often missed?

Insert into the E-key slot, secure the screw, then verify the host provides two PCIe x1 lanes and enough power for both TPUs.

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