• 1 x M.2 Socket (M2_2), supports M Key type 2280 M.2
SATA3 6.0 Gb/s module and M.2 PCI Express module up to
Gen3 x2 (16 Gb/s)**
** Supports NVMe SSD as boot disks
** Supports ASRock U.2 Kit
Connector
• 1 x SPI TPM Header
• 1 x Power LED and Speaker Header
• 2 x RGB LED Headers
* Support in total up to 12V/3A, 36W LED Strip
• 2 x Addressable LED Headers
* Support in total up to 5V/3A, 15W LED Strip
• 1 x CPU Fan Connector (4-pin)
* The CPU Fan Connector supports the CPU fan of maximum
1A (12W) fan power.
• 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan
Speed Control)
• 4 x Chassis/Water Pump Fan Connectors (4-pin) (Smart
Fan Speed Control)
* The Chassis/Water Pump Fan supports the water cooler fan
of maximum 2A (24W) fan power.
* CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP, CHA_
FAN3/WP and CHA_FAN4/WP can auto detect if 3-pin or
4-pin fan is in use.
• 1 x 24 pin ATX Power Connector (Hi-Density Power Con-
nector)
• 1 x 8 pin 12V Power Connector (Hi-Density Power Connec-
tor)
• 1 x 4 pin 12V Power Connector (Hi-Density Power Connec-
tor)
• 1 x Front Panel Audio Connector
• 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports
ESD Protection)
• 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
(Supports ESD Protection)
B550M Steel Legend
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