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Green PCIe x8 Gen4 ReDriver adapter card with gold edge connector and black latch socket

Innocard

Innocard DP8507 PCIe x8 Gen4 ReDriver gender changer

SKU CH-WN27-VQEAM

A PCIe x8 Gen4 ReDriver gender changer with EDSFF connector, built-in clock buffer and SMBus I/O expander for BMC management

  • Changer TypeEDSFF
  • Extends PCIe Gen4 8-lane signals with built-in ReDriver
  • Supports server BMC management via I2C addresses 0x6C and 0x21
  • Handles industrial temperature range for demanding environments
  • Provides 12V hot-plug power with integrated eFuse protection
  • Includes bidirectional voltage translators for WAKE# and CLKREQ# signals

PCIe x8 Gen4 ReDriver adapter

The Innocard DP8507 is a PCIe x8 Gen4 gender changer with an integrated ReDriver that extends 8-lane data signals across longer traces and cables. It targets server and industrial builders who need reliable PCIe 4.0 connectivity between a host board and an EDSFF 2C device.

Sustained link stability under load

A built-in 100 MHz clock buffer and bidirectional voltage-level translators for WAKE# and CLKREQ# maintain signal integrity over extended distances during continuous operation. The 12 V hot-plug power path includes an eFuse for protection, while PERST0# and PERST1# support out-of-band remote reset of the attached Gen-Z 2C module.

EDSFF 2C connector with BMC management

The card provides a latched EDSFF 2C connector and exposes SMBus addresses 0x6C for clock-buffer control and 0x21 for Gen-Z 2C power-disable via an I/O expander, enabling full Baseboard Management Controller oversight. It is not suited for installations that require a different form factor or lack BMC infrastructure.

Highlights

  • Extends PCIe Gen4 8-lane signals with built-in ReDriver
  • Supports server BMC management via I2C addresses 0x6C and 0x21
  • Handles industrial temperature range for demanding environments
  • Provides 12V hot-plug power with integrated eFuse protection
  • Includes bidirectional voltage translators for WAKE# and CLKREQ# signals

Specifications

Changer TypeEDSFF

Questions about this item

Does the built-in ReDriver and clock buffer add noticeable heat or power draw when the PCIe x8 Gen 4 link runs continuously?

The card includes a PCIe ReDriver and 100 MHz clock buffer to extend the 8-lane Gen 4 signal over longer traces and cables, plus a 12 V hot-plug eFuse for power protection; no active cooling is fitted, so dissipation stays within the slot and cable budget.

What host connector and chassis slot must already be present for this EDSFF gender changer to install?

A PCIe x8 Gen 4 CEM slot on the motherboard or riser is required, and the board provides a built-in EDSFF 2C latch connector for the mating cable or device.

Will the PERST and WAKE translators on this card work with a Gen-Z 2C drive that uses the older SMBus address scheme?

The on-board I/O expander uses address 0x21 and the clock buffer uses 0x6C for BMC management, while PERST0#, PERST1#, WAKE# and CLKREQ# translators provide open-drain level shifting compatible with Gen-Z 2C out-of-band control.

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