GIGABYTE
GIGABYTE Web
B550 AORUS PROB550 AORUS PRO AC
B550 AORUS PRO AC
B550 AORUS PRO
1201
12MJ-B55APRW-1201R
© 2021 GIGA-BYTE TECHNOLOGY CO., LTD.
GIGABYTE
GIGABYTE
GIGABYTE
GIGABYTE
Web
https://www.gigabyte.com/jp
REV X.X. REV
1.0 1.0 BIOS
- 3 -
B550 AORUS PRO (AC) ...............................................4
B550 AORUS PRO (AC) ..............................................5
1 ..........................................................................6
1-1 ................................................................................................ 6
1-2 ................................................................................................... 7
1-3 CPU ...................................................................................... 11
1-4 ...................................................................................... 11
1-5 ......................................................................... 12
1-6 ........................................................................ 12
1-7 .......................................................................................... 15
2 BIOS ....................................................................................23
2-1 ...................................................................................................... 23
2-2 .......................................................................................... 24
2-3 Favorites (F11) ............................................................................................... 25
2-4 Tweaker .......................................................................................................... 26
2-5 Settings .......................................................................................................... 29
2-6 System Info. ( ) .................................................................. 34
2-7 Boot ................................................................................................................ 35
2-8 Save & Exit ( ) ........................................................................ 38
3 ............................................................................................................39
3-1 RAID ............................................................................. 39
3-2 .......................................................................... 41
Regulatory Notices .................................................................................................... 42
..................................................................................................................... 48
- 4 -
B550 AORUS PRO (AC)
5B550 AORUS PRO AC B550 AORUS PRO
5 5SATA (x4)
5 5G (x1)
5 5WIFI (x1) ()
5RGB LED (x1) 5 (x2)
*
() B550 AORUS PRO AC
Socket AM4
AMD B550
USB20 CPU_FAN
ATX_12V
ATX
F_AUDIO
AUDIO
BAT
F_PANEL
PCIEX2
CLR_CMOS
CODEC
M_BIOS
PCIEX16
B550 AORUS PRO (AC)
iTE®
Super I/O
F_USB1
LED_C1
TPM
F_U32
M2B_SB
42
6080
110
CPU_OPT
M2_WIFI ()
SYS_FAN1
F_USB2 SYS_FAN3
D_LED1
D_LED2
LED_C2
CPU DRAM
VGA BOOT
SYS_FAN5_PUMPSYS_FAN4
SYS_FAN2
EC_TEMP1
DDR4_A1
DDR4_A2
DDR4_B1
DDR4_B2
SATA3 420
531
SYS_FAN6_PUMP
EC_TEMP2
PCIEX1_2
PCIEX4
PCIEX1_1
M2A_CPU
42
6080
110
LED_CPU
Realtek®
2.5GbE LAN
U32G2C
U32G2_LAN
U32_2
QFLASH_PLUS
QFLED
USB_HDMI
U32_1
USB 2.0 Hub
USB 2.0 Hub
THB_C
- 5 -
B550 AORUS PRO (AC)
() B550 AORUS PRO AC
AMD Socket
AM4 CPU
CPU CLK+/- (100~500 MHz)
PCI Express 4.0/3.0 Bus
PCIe 3.0 x4
LAN
RJ45
M.2 WIFI
Module ()
Realtek®
2.5GbE LAN
4 SATA 6Gb/s
(SATA3 0~3)
PCI Express 3.0 Bus
8 USB 2.0/1.1
2 USB 3.2 Gen 1
1 USB Type-C™, with
USB 3.2 Gen 2 support
AMD B550
x2 x1
Switch
1 PCI Express x2
(PCIEX2)
2 SATA 6Gb/s
(SATA3 4/5)
USB 2.0
Hub
LPC
Bus
TPM
iTE®
Super I/O
SPI
Bus BIOS
x16
1 PCI Express x16
DDR4 3200/2933/2667/2400/2133 MHz
2 PCI Express x1
x1 x4
Switch
1 PCI Express x4
(PCIEX4)
1 M.2 Socket 3
(M2B_SB)
2 USB 2.0/1.1
x1
PCI Express 3.0 Bus
3 USB 3.2 Gen 1
HDMI
1 M.2 Socket 3
(M2A_CPU)
1 USB 3.2 Gen 2
Type A
1 USB 3.2 Gen 2
Type A
Center/Subwoofer
Speaker Out
Line Out
MIC
Line In
S/PDIF Out
Rear Speaker Out
CODEC
1
1-1
(ESD)
• PC
• S/N ( )
•
•
•
•CPU
(ESD) ESD
•
•
•
•
•
•
•
•
•
•
•
- 6 -
1-2
CPU AMD Socket AM4
AMD Ryzen
™
5000 /
3 AMD Ryzen™ /
3 AMD Ryzen™ with Radeon™ Graphics
( CPU GIGABYTE Web
)
AMD B550
128 GB 32 GB DIMM
4 x DDR4 DIMM
DDR4 3200/2933/2667/2400/2133 MHz
ECC Un-buffered DIMM 1Rx8/2Rx8
Non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16
XMP ( )
(
GIGABYTE Web )
3 AMD Ryzen™ with Radeon™ Graphics
- HDMI (x1) 4096x2160@60 Hz
* HDMI 2.1HDCP 2.3 HDR
16 GB
Realtek® ALC1220-VB
* DSD
2/4/5.1/7.1
S/PDIF
LAN Realtek® 2.5GbE LAN (2.5 Gbit/1 Gbit/100 Mbit)
()
Wi-Fi
- WIFI 802.11a/b/g/n/ac 2.4/5GHz
- BLUETOOTH 4.2
-
11ac 433 Mbps
*
1 x PCI Express x16 PCIEX16 CPU
-
AMD Ryzen
™
5000 /
3 AMD Ryzen™
PCIe 4.0 x16
- 3 AMD Ryzen™ with Radeon™ Graphics PCIe 3.0
x16
* PCI Express
1 PCIEX16
1 x PCI Express x16 PCIEX4
- PCIe 3.0 x4
* M2B_SB PCIEX4 PCIEX4
SSD M2B_SB
- 7 -
() B550 AORUS PRO AC
1 x PCI Express x16 PCIEX2
- PCIe 3.0 x2
* PCIEX2 SATA3 4/5
SATA3 4 SATA3 5
PCIEX2
PCI Express x1 (x2)
1 x M.2 M2A_CPU CPU 3 M
2242/2260/2280/22110 SSD
-
AMD Ryzen
™
5000 /
3 AMD Ryzen™
SATA PCIe 4.0 x4/x2 SSD
- 3 AMD Ryzen™ with Radeon™ Graphics SATA
PCIe 3.0 x4/x2 SSD
1 x M.2 M2B_SB 3 M
2242/2260/2280/22110 SSD
- PCIe 3.0 x4/x2 SSD
6 x SATA 6Gb/s
- RAID 0 RAID 1 RAID 10
USB CPU
- USB 3.2 Gen 1 (x3)
- USB 3.2 Gen 2 Type-A () (x1)
- USB 3.2 Gen 2 USB Type-C™ (x1)
- USB 3.2 Gen 2 Type-A () (x1)
- USB 3.2 Gen 1 (x2) (USB )
- USB 2.0/1.1 (x2)
+2 USB 2.0
- USB 2.0/1.1 (x8) ( 4 USB
4 )
24 ATX (x1)
8 ATX 12V (x1)
M.2 3 (x2)
SATA 6Gb/s (x6)
CPU (x1)
CPU (x1)
(x4)
/ (x2)
CPU LED / RGB LED (x1)
Addressable LED (x2)
RGB LED (x2)
(x1)
(x1)
USB 3.2 Gen 1 (x1)
USB 2.0/1.1 (x2)
(TPM) (x1) (2x6
GC-TPM2.0_S )
Thunderbolt™ (x1)
(x2)
CMOS (x1)
- 8 -
HDMI (x1)
SMA (1T1R) (x2) ()
USB 3.2 Gen 1 (x3)
USB 3.2 Gen 2 USB Type-C™ (x1)
USB 3.2 Gen 2 Type-A () (x2)
USB 2.0/1.1 (x6)
Q-Flash Plus (x1)
RJ-45 (x1)
S/PDIF (x1)
(x5)
I/O iTE® I/O
* ( )
( )
BIOS 256 Mbit (x1)
AMI UEFI BIOS
PnP 1.0aDMI 2.7WfM 2.0SM BIOS 2.7ACPI 5.0
APP Center
* App Center
- @BIOS
- EasyTune
- Fast Boot
- Game Boost
- ON/OFF Charge
- RGB Fusion
- Smart Backup
- System Information Viewer
Q-Flash Plus
Q-Flash
Xpress Install
- 9 -
() B550 AORUS PRO AC
CPU SSD M.2
GIGABYTE Web
GIGABYTE Web
\
Norton® (OEM )
XSplit Gamecaster + Broadcaster (12 )
Realtek® 8125 Gaming LAN Bandwidth Control Utility
Windows 10 64-bit
ATX 30.5cm x 24.4cm
* GIGABYTE
B550 AORUS PROB550 AORUS PRO AC
- 10 -
GIGABYTE Web
4
BIOS
2
4 2 2
A DDR4_A1, DDR4_A2
B DDR4_B1, DDR4_B2
1-3 CPU
CPU
• CPU
( CPU GIGABYTE Web
)
•CPU
•CPU 1 CPU
•CPU
•CPU CPU
•CPU CPU
CPU
•
( GIGABYTE Web
)
•
•
CPU
CPU CPU 1 ( )
CPU CPU CPU 1
AM4 CPU
AM4 CPU
1
1
1-4
- 11 -
CPU
1. 1
2. 2 4
1-5
•
•
DDR4_A1 DDR4_A2 DDR4_B1 DDR4_B2
2 - - DS/SS - - DS/SS
4 DS/SS DS/SS DS/SS DS/SS
(SS= DS= - - = )
1-6
USB 2.0/1.1
USB USB 2.0/1.1 USB
SMA (1T1R) ( 1)
HDMI ( 2)
HDMI HDCP 2.3 TrueHD DTS HD
192KHz/24
7.1 LPCM HDMI
4096x2160@60 Hz
HDMI HDMI (
)
•
•
( 1)
- 12 -
USB 3.2 Gen 1
USB 3.2 Gen 1 USB 3.2 Gen 1 USB 2.0
USB
USB 3.2 Gen 1 (Q-Flash Plus )
USB 3.2 Gen 1 USB 3.2 Gen 1 USB 2.0
USB Q-Flash Plus ( 3)
USB
Q-Flash Plus ( 3)
Q-Flash Plus S5 BIOS
BIOS USB Q-Flash Plus
Q-Flash Plus BIOS QFLED BIOS
BIOS
USB 3.2 Gen 2 Type-A ()
USB 3.2 Gen 2 Type-A USB 3.2 Gen 2 USB 3.2 Gen 1 USB 2.0
USB
RJ-45 LAN
Gigabit LAN 2.5 Gbps
LAN LED
USB Type-C™
USB USB 3.2 Gen 2 USB 3.2 Gen 1 USB 2.0
USB
/
S/PDIF
/
/
/
( )
/
( 1) B550 AORUS PRO AC
( 2) 3 AMD Ryzen™ with Radeon™ Graphics
( 3) Q-Flash Plus GIGABYTE
/
LED LED
LAN
/ LED
2.5 Gbps
1 Gbps
100 Mbps
LED
- 13 -
GIGABYTE Web
/
2 4 5.1 7.1
/a a
a a a
/a
/a a a a
/a
- 14 -
1-7
•
•
•
1
4
17
7
19
4
4
2
3
11
1516
12
13
12
6
10
9
9 810
14
5
5
8
18
20
19
1) ATX_12V
2) ATX
3) CPU_FAN
4) SYS_FAN1/2/3/4
5) SYS_FAN5_PUMP/SYS_FAN6_PUMP
6) CPU_OPT
7) LED_CPU
8) EC_TEMP1/EC_TEMP2
9) D_LED1/D_LED2
10) LED_C1/LED_C2
11) SATA3 0/1/2/3/4/5
12) M2A_CPU/M2B_SB
13) F_PANEL
14) F_AUDIO
15) F_U32
16) F_USB1/F_USB2
17) TPM
18) CLR_CMOS
19) BAT
20) CPU/DRAM/VGA/BOOT
21) THB_C
- 15 -
DEBUG
PORT
G.QBOFM
131
24
12
ATX
1/2) ATX_12V/ATX (2x4 12V 2x12 )
12V CPU 12V
(500W )
ATX
1 3.3V 13 3.3V
2 3.3V 14 -12V
3 GND 15 GND
4 +5V 16
PS_ON ( / )
5 GND 17 GND
6 +5V 18 GND
7 GND 19 GND
8 20 NC
9 5VSB ( +5V) 21 +5V
10 +12V 22 +5V
11
+12V (2x12 ATX )
23 +5V (2x12 ATX )
12
3.3V (2x12 ATX )
24
GND (2x12 ATX )
ATX_12V
1 GND (2x4 12V ) 5 +12V (2x4 12V )
2 GND (2x4 12V ) 6 +12V (2x4 12V )
3 GND 7 +12V
4 GND 8 +12V
DEBUG
PORT
G.QBOFM
ATX_12V
41
85
3/4) CPU_FAN/SYS_FAN1/2/3/4 ( )
4
( )
PC
1 GND
2
3
4 PWM
•CPU
CPU
•
CPU_FAN SYS_FAN3
DEBUG
PORT
G.QBOFM
1
DEBUG
PORT
G.QBOFM
1
SYS_FAN1/2/4
1
DEBUG
PORT
G.QBOFM
- 16 -
5) SYS_FAN5_PUMP/SYS_FAN6_PUMP ( / )
/ 4
(
)
PC
2 BIOS Settings\Smart Fan 5
6) CPU_OPT ( CPU )
4
( )
DEBUG
PORT
G.QBOFM
1
1 GND
2
3
4 PWM
1 GND
2
3
4 PWM
•CPU
CPU
•
DEBUG
PORT
G.QBOFM
1
SYS_FAN6_PUMPSYS_FAN5_PUMP
DEBUG
PORT
G.QBOFM
1
7) LED_CPU (CPU LED / RGB LED )
CPU LED 2A (12V) 2m
RGB LED (12V / G / R / B)
1 12V
2 G
3 R
4 B
CPU LED / RGB LED
LED
1 12V
LED
RGB LED
1
12V
1
DEBUG
PORT
G.QBOFM
LED / GIGABYTE
- 17 -
9) D_LED1/D_LED2 (Addressable LED )
5A (5V) LED1000 5050 addressable
LED
8) EC_TEMP1/EC_TEMP2 ( )
1 SENSOR IN
2 GND
1
EC_TEMP2EC_TEMP1
1
1 V (5V)
2 Data
3
4 GND
Addressable LED LED
addressable LED
1
LED
Addressable LED
1
D_LED1 D_LED2
1
F_USB30 F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3 BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S _S
_ SF_
B
USB0_B
B_
B_
F_USB3
F_USB303
_
_3U
S_
F_USB30 F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3 BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S _S
_ SF_
B
USB0_B
B_
B_
F_USB3
F_USB303
_
_3U
S_
1
10) LED_C1/LED_C2 (RGB LED )
RGB LED (12V/G/R/B)
2 2A (12V)
1 12V
2 G
3 R
4 B
RGB LED
RGB LED
( ) 1 (12V)
( ) 12V LED 12V
LED
LED
LED / GIGABYTE
12VRGB
BG12VR
12V
1
RGB LED
12VRGB
BG12VR
1 1
LED_C1 LED_C2
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
- 18 -
12) M2A_CPU/M2B_SB (M.2 3 )
M.2 M.2 SATA SSD M.2 PCIe SSD RAID M.2
PCIe SSD M.2 SATA SSD SATA RAID
RAID 3 RAID
M.2 M.2SSD
1
M.2 SSD M.2
2
M.2 SSD
M.2 SSD
3
M.2 SSD
11) SATA3 0/1/2/3/4/5 (SATA 6Gb/s )
SATA SATA 6Gb/s SATA 3Gb/s SATA 1.5Gb/s
SATA SATA SATA
RAID 0 RAID 1 RAID 10 RAID
3 RAID
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
1
1
SATA3 4 2 0
5 3 1
7
7
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
F_USB30 F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3 BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S _S
_ SF_
B
USB0_B
B_
B_
F_USB3
F_USB303
_
_3U
S_
80110 60 42
M2A_CPU
F_USB30 F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3 BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S _S
_ SF_
B
USB0_B
B_
B_
F_USB3
F_USB303
_
_3U
S_
80110 60 42
M2B_SB ()
M.2 SSD
() M2B_SB PCIEX4 PCIEX4 SSD
M2B_SB
- 19 -
PC
PC
13) F_PANEL ( )
PC
( LED HDD LED )
14) F_AUDIO ( )
High Denition audio (HD) PC
F_USB30 F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3 BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S _S
_ SF_
B
USB0_B
B_
B_
F_USB3
F_USB303
_
_3U
S_
91
10 2
1 MIC2_L 6
2 GND 7 FAUDIO_JD
3 MIC2_R 8
4 NC 9 LINE2_L
5 LINE2_R 10
LED LED
•PW ( )
PC
( 2 BIOS
Settings\Platform Power )
•SPEAK ( )
PC
1
•PLED/PWR_LED (LED)
PC
LED
S3/S4
(S5) LED
•HD ( LED)
PC LED
LED
•RES ( )
PC
•CI (PC )
PC PC PC
/ PC / PC
•NC:
NC
NC
LED
DEBUG
PORT
G.QBOFM
1
2
19
20
CI-
CI+
PWR_LED-
PWR_LED+
PLED-
PW-
SPEAK+
SPEAK-
PLED+
PW+
LED
HD-
RES+
HD+
RES-
LED
PWR_LED-
LED
S0
S3/S4/S5
- 20 -
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