NVMe 8 port External and 8 port Internal 24-Port Host/Target Adapter - PM302EI

Board can support Host mode or Target mode for greater applications flexibility. Gen 3 8.5Gb/s support.
Manufacturer part number: PM302EI

LEDs indication for port bifurcation and port failure.

Features PCIe reference clock delivery in SFF-8644 and SFF-8643 connectors, flexible for user to connect devices support SRIS/SRNS or none.

The clock domain in upstream port which connects to host support both of CFC or SSC.

External or internal MiniSAS-HD connector has more connectivity to connect outer enclosure for storage space extension or direct attached NVMe drive.

Excellent signal integrity quality in cards, supports up to 6 meters length of MiniSAS-HD SFF-8644 and SFF-8643 cables.

Implements micro-controller for card managements and Switchtec MRPC commands support.


PCIe Switch:

Microsemi Switchetc PFX PM8531

Card Dimensions:

162mm (L) x 67mm (W)

PCB Information:

PCI Express add-in card standard, Thickness .063" +/- 0.008" (1.6mm +/- 0.2mm)

Power Consumption:

<16.5W at 24 active Gen3 links

MiniSAS-HD Connectors:

One x2 MiniSAS-HD SFF8644

LEDs Indication:

System health (Red)

System power (Blue)

Switch heartbeat (Blue)

Downstream ports configure as two x8 (Green)

Downstream ports configure as four x4 (Orange)

Downstream ports configure as Eight x2 (Blue+Green+Orange)

Port status (Red)

Host/Target Mode:

Host mode


PCIe Gen3 x8 64GT/s in Upstream

PCIe Gen3 x8 64GT/s in Downstream

Port Bifurcation:

2x8, 4x4, 8x2

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