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Green circuit board adapter with gold MCIO 38P connector and U.2 cable attached

Innocard

Innocard EP7102 M.2 PCIe 5.0 ReDriver to MCIO 38P + U.2 Cable 100cm

SKU CH-87BB-9PGET

Converts an M.2 PCIe 5.0 slot to MCIO 38P and U.2 with a built-in ReDriver for 32GT/s signal extension over 100cm

  • Changer TypePCIe Gen5
  • Extends PCIe 5.0 signals to 32 GT/s with integrated ReDriver
  • Converts M.2 PCIe 5.0 to MCIO 38P plus U.2 via 100 cm cable
  • Protects 3.3 V rail with 3 A load switch and reverse-current protection
  • Ensures reliable mating with 30 µin gold-plated MCIO 38P connector
  • Monitors power and reset status through dual-colour LED indicators

Signal integrity at PCIe 5.0

The EP7102 kit bridges an M.2 PCIe 5.0 slot to an MCIO 38-pin connector and includes a 100 cm MCIO-to-U.2 cable. An on-board ReDriver restores 32 GT/s differential pairs while a clock buffer drives the reference signals across the longer trace. Integrated load switching, SMBus level translation and PERST# translation manage hot-plug sequences for server or workstation backplanes.

Thermals noise and power

The adapter draws 3.3 V through a 3 A load switch with reverse-current protection and controlled turn-on. No active cooling is fitted; the ReDriver and clock buffer dissipate modest heat within the connector shell. Green and red LEDs indicate rail readiness and PERST# status without adding audible noise or measurable airflow restriction.

Sustained load behaviour

Under continuous 32 GT/s traffic the ReDriver maintains eye opening across the 100 cm cable run, while the clock buffer preserves REFCLK integrity at the far end. SMBus repeater and voltage-level translation remain active during hot-swap cycles. The assembly targets PCIe 5.0 CEM 5.1 and SFF-TA-1016 1.2 compliance for extended operation.

Highlights

  • Extends PCIe 5.0 signals to 32 GT/s with integrated ReDriver
  • Converts M.2 PCIe 5.0 to MCIO 38P plus U.2 via 100 cm cable
  • Protects 3.3 V rail with 3 A load switch and reverse-current protection
  • Ensures reliable mating with 30 µin gold-plated MCIO 38P connector
  • Monitors power and reset status through dual-colour LED indicators

Specifications

Changer TypePCIe Gen5

Questions about this item

How do I connect the EP7102 to my motherboard and what pin alignment mistake should I avoid?

Plug the M.2 PCIe 5.0 edge connector into the motherboard M.2 slot, then attach the MCIO 38P cable to the adapter's MCIO port; ensure the cable's B11 and B12 pins carry REFCLKp and REFCLKn respectively, as reversing them breaks clock delivery.

Which onboard components may need replacement after extended use?

The 3.3 V 3 A load switch, PCIe ReDriver, 100 MHz clock buffer, SMBus repeater and PERST# translator are surface-mount ICs; if any fails the entire adapter must be swapped as individual chips are not field-replaceable.

What is the first signal-integrity limit reached on a 100 cm cable run at PCIe 5.0 speeds?

The 32 GT/s differential pairs hit attenuation and crosstalk limits first; the built-in ReDriver and clock buffer extend reach, but 100 cm is the practical ceiling before bit-error rates rise.

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