ASROCK B450M PRO4 R2.0 User Manual

B450M Pro4 R2.0
29
English
Power LED and Speaker
Header
(7-pin SPK_PLED1)
(see p.7, No. 14)
Please connect the
chassis power LED and
the chassis speaker to this
header.
Serial ATA3 Connectors
(SATA3_1:
see p.7, No. 12) (Upper)
(SATA3_2:
see p.7, No. 11) (Lower)
(SATA3_3:
see p.7, No. 9) (Upper)
(SATA3_4:
see p.7, No. 10) (Lower)
ese four SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
* M2_2 and SATA3_3
share lanes. If either one
of them is in use, the other
one will be disabled.
USB 2.0 Headers
(9-pin USB_3_4)
(see p.7, No. 20)
(9-pin USB_5_6)
(see p.7, No. 19)
ere are two headers
on this motherboard.
Each USB 2.0 header can
support two ports.
USB 3.2 Gen1 Header
(19-pin USB3_56)
(see p.7 or 8, No. 8)
ere is one header on
this motherboard. Each
USB 3.2 Gen1 header can
support two ports.
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.7, No. 25)
is header is for
connecting audio devices
to the front audio panel.
1
+5V
DUMMY
PLED+
PLED+
PLED-
DUMMY
SPEAKER
DUMMY
GND
GND
P+
P-
USB_PWR
P+
P-
USB_PWR
1
SATA3_3 SATA3_4
SATA3_1 SATA3_2
J _SENSE
O UT2_L
1
M IC_RET
P RESENCE#
GN D
O UT2_R
M IC2_R
M IC2_L
OUT_RET
1
IntA_ PB_D +
Dummy
IntA_ PB_D -
GND
IntA_ PB_S ST X +
GND
IntA_ PB_S ST X -
IntA_ PB_S SR X +
IntA_ PB_S SR X -
VbusVbus
Vbus
IntA_ PA_S SR X -
IntA_ PA_S SR X +
GND
IntA_ PA_S ST X -
IntA_ PA_S ST X +
GND
IntA_ PA_D -
IntA_ PA_D +

ASROCK B450M PRO4 R2.0 Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7
Audio chip	Realtek ALC892 / Realtek ALC897
Component for	PC
Power source type	ATX
Motherboard chipset	AMD B450
PC health monitoring	FAN, Temperature, Voltage
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Windows operating systems supported	Windows 10 x64, Windows 11 x64
Memory channels	Dual-channel
Memory slots type	DIMM
Unbuffered memory	Yes
Number of memory slots	4
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	2133, 2400, 2667, 2933, 3200 MHz
BIOS type	UEFI AMI
ACPI version	5.1
BIOS memory size	128 Mbit
System Management BIOS (SMBIOS) version	2.3
DirectX version	12.0
Maximum resolution	4096 x 2160 pixels
Number of displays supported	3
Parallel processing technology support	CrossFireX, Quad-GPU CrossFireX
HDMI version	1.4
USB connector type	USB Type-A, USB Type-C
USB 2.0 ports quantity	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0
Wi-Fi	No
LAN controller	Realtek RTL8111H
Ethernet interface type	Gigabit Ethernet
Cables included	SATA
Bundled software	ASRock A-Tuning ASRock Polychrome SYNC ASRock XFast LAN
RAID levels	0, 1, 10
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, PCI Express 3.0, SATA III
Harmonized System (HS) code	84733020

Weight and Dimensions

Width	244 mm