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Green rectangular circuit board with U.2 and M.2 connectors, silver heatsink, black components, gold edge fingers

Innocard

Innocard GD1403A U.2 PCIe Gen4 to M.2 NVMe 22x80mm Adapter

SKU CH-86VP-JZZKV

Converts an M.2 2280 NVMe SSD to a U.2 SFF-8639 bay with PCIe Gen4 16GT/s support and 3.3V hot-plug power protection

  • Changer TypePCIe Gen4
  • PCIe Gen4 16GT/s bandwidth for NVMe speed
  • 3V hot-plug power protection with 6.5A continuous current
  • Sideband 3.3V or 1.8V switching for M.2 flexibility
  • SMBus hot-swap support with level shifting
  • PWM 12V to 3.3V converter with 5.5A max output

Purpose & Audience

This adapter converts an M.2 NVMe 22x80mm solid-state drive to a U.2 SFF-8639 interface. It is built for system integrators and technicians who need to install an M.2 NVMe module into a U.2 hot-swap bay or backplane.

Critical Specification

The board implements a PCIe Gen4 16GT/s link through the SFF-8639 connector with pin-out defined by SFF-9402 Rev1.1. This single interface speed determines whether the host platform can saturate the attached NVMe device.

Included Extras

On-board power circuitry provides a PWM 12V to 3.3V synchronous buck converter rated at 5.5A maximum output with overcurrent, undervoltage and thermal protections. A 3.3V hot-swap controller supports 6.5A continuous current, 400W TVS ESD protection and 1.8V/3.3V sideband level shifting for SMBus, PERST#, CLKREQ# and WAKE# signals.

Highlights

  • PCIe Gen4 16GT/s bandwidth for NVMe speed
  • 3V hot-plug power protection with 6.5A continuous current
  • Sideband 3.3V or 1.8V switching for M.2 flexibility
  • SMBus hot-swap support with level shifting
  • PWM 12V to 3.3V converter with 5.5A max output

Specifications

Changer TypePCIe Gen4

Questions about this item

What does the 16GT/s figure mean for an M.2 drive installed in this adapter?

The adapter passes PCIe Gen4 16GT/s signalling through to the M.2 NVMe SSD, so the drive can run at its full Gen4 speed when the host U.2 port also supports Gen4.

Which U.2 pin-out standard does the SFF-8639 connector follow, and what does that cap in practice?

The built-in SFF-8639 connector follows SFF-9402 Rev1.1 pin-out, capping the link to PCIe Gen4 16GT/s and the power path to the adapter's 3.3V 5.5A and 6.5A protection limits.

What physical space and mounting does the adapter need for a 22x80mm M.2 module?

It accepts a single M.2 2280 NVMe SSD (22mm wide, 80mm long) and plugs into a standard U.2 SFF-8639 backplane or cable, requiring no extra brackets beyond the drive's own screw.

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