Supermicro B13SEG Owner's Manual page 37

M.2 M-Key PCIe 5.0 Connector for M.2A and M.2B
This motherboard has two M.2 slots at JM2-1. M.2 was formerly known as Next Generation
Form Factor (NGFF). M.2 allows for a variety of card sizes, increased functionality, and spacial
efficiency. M.2A and M.2B support M.2 M-Key PCIe 5.0 x4 devices.
Mezzanine PCIe 5.0 x16 Connector for a Mezzanine daughter card
There is a mezzanine PCIe 5.0 x16 connector for a mezzanine daughter card at MEZZ1.
Mezzanine card connectors support PCIe 5.0 riser cards.
PRESS FIT PRESS FIT
MH4
MH2
PWR2
25G LAN
JUSB1
CX-4
JRK1
PCH
JTPM1
JPME1
JBT1
MH5
CPU
BT1
BAR CODE
MH7
JFP1
PCIE1A
LED2
MH8
1
JPWR_SLOT1 JPWR_SLOT2 JPWR_AOC2
LEDM1
MEZZ1
2
BMC
CPLD
MH6
B13SEG
REV:1.00
MH9
JPWR_AOC1
MAC CODE
37
Chapter 2: Installation
1. M.2 M-Key PCIe 5.0 Connector for
M.2A and M.2B
2. Mezzanine PCIe 5.0 x16