Motherboard Connectors - Onlogic HX511 Product Manual

2.3 - Motherboard Connectors

M.2 B-Key
An M.2 B-Key port is present on the Helix 511 motherboard to allow support for B-Key form-factor
expansion cards. Supported cards include 3042, 3052, 2280 form-factors. The B-Key connector
supports PCIe Gen 4 x2, USB 3.2 10Gb/s, USB 2.0, SATA Gen I (1.5Gbps), SATA Gen II (3.0Gbps), and
SATA Gen III (6.0Gbps) devices.
The 3FF Micro SIM card slot is connected to the M.2 B-Key.
A full pinout table for this expansion slot is provided in Appendix E.
M.2 E-Key
An M.2 E-Key port is present on the Helix 511 motherboard to allow support for E-Key form-factor
wireless expansion cards. Only 2230 form-factor cards are supported. The E-Key connector supports
PCIe Gen 3 x1 and USB 2.0. A full pinout table for this expansion slot is provided in Appendix E.
M.2 M-Key
An M.2 M-Key port is present on the Helix 511 motherboard to allow support for M-Key form-factor
expansion cards. Only 2280 form-factor cards are supported. The M-Key connector includes support
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