PRELIMINARY INFORMATION
NVIDIA Jetson Orin NX DG-10931-001_v0.1 | 11
Chapter 5. Modular Connector
5.1 Module Connector Details
Jetson Orin NX modules connect to the carrier board using a 260-pin SODIMM connector. The
mating connector used on the reference design carrier board will be listed in the Jetson Orin
NX SCL (Supported Components List). The connector listed in the Jetson Xavier NX SCL is the
same, so that document can be referenced. This connector is a DDR4 SODIMM, 260-pin, right-
angle, standard key type. The full height of the connector is 9.2 mm. Refer to the connector
specification for details. Other heights are available.
5.2 Module to Mounting Hardware
The Jetson Orin NX module is installed in the SODIMM connector which has latching
mechanisms to hold the board in place. In addition, it is required that the module is mounted
to the main carrier board PCB using metal standoffs and screws (or equivalent), both for
mechanical integrity and to provide additional grounding points. The recommended standoffs
used on the carrier board are threaded standoffs that are hex, 4.5 mm widths (narrow
diameter) × 6.57 ± 0.1 mm length with M2.5 threads (or equivalent). The screws that match the
described standoffs are M2.5 × 3.7 mm, pad head.
Other SODIMM connector heights are available. If a different height connector is used, the
standoff height will have to be adjusted accordingly to account for the difference in height from
main PCB to module PCB.
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