Model
BrandASUS
ModelTUF GAMING B450M-PRO S
Supported CPU
CPU Socket Type AM4
CPU TypeSupports 3rd / 2nd / 1st Gen AMD Ryzen Processors
Supports 2nd / 1st Gen AMD Ryzen with Radeon Vega Graphics Processors
Supports AMD Athlon with Radeon Vega Graphics Processors

* Refer to www.asus.com for CPU support list.
Chipsets
Chipset AMD B450
Memory
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 4400(OC) / 3533(OC) / 3466(OC) / 3200(OC) / 3000(OC) / 2800(OC) / 2666 / 2400 / 2133 *

* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Maximum Memory Supported128GB
Channel Supported Dual Channel
ECC SupportedECC Memory (ECC mode) support varies by CPU.
Buffer SupportedUn-buffered
Expansion Slots
PCI Express 3.0 x16 1 x PCI Express 3.0 x16*

* Actual support may vary by CPU.
PCI Express 2.0 x161 x PCI Express 2.0 x16 *

* PCIEX16_2 shares bandwidth with M.2_2. When PCIEX16_2 runs, M.2_2 will be disabled.
PCI Express x16None
PCI Express x11 x PCI Express 2.0 x1
Storage Devices
SATA 6Gb/s 4 x SATA 6Gb/s
M.23rd/2nd/1st Gen AMD Ryzen / 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics:
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x4 mode)
AMD Athlon with Radeon Vega Graphics Processors:
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode)

AMD B450 chipset:
1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 2.0 x4)*

* M.2_2 shares bandwidth with PCIEX16_2. When M.2_2 runs, PCIEX16_2 will be disabled.
SATA RAID0/1/10
Onboard Video
Onboard Video Chipset Supported only by CPU with integrated graphic
Onboard Audio
Audio Chipset Realtek ALC S1200A Surround Sound High Definition Audio CODEC
Audio Channels 7.1 Channels
Onboard LAN
LAN ChipsetRealtek RTL8125B
Max LAN Speed2.5Gbps
Rear Panel Ports
Back I/O Ports1 x PS/2 keyboard/mouse combo port(s)
1 x DisplayPort
1 x HDMI
1 x LAN (2.5G) port(s)
2 x USB 3.2 Gen 2 (teal blue) (1 x Type-A+1 x USB Type-C)
4 x USB 3.2 Gen 1 (blue) Type-A
2 x USB 2.0
1 x Optical S/PDIF out
5 x Audio jack(s)
1 x BIOS FlashBack Button(s)
HDMI 1 x HDMI
USB 3.0 3 x USB 3.0
Internal I/O Connectors
Onboard USB1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Other Connectors1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s)
2 x Chassis Fan connector(s)
2 x Aura RGB Strip Headers
1 x SPI TPM header
1 x Front panel audio connector(s) (AAFP)
1 x Clear CMOS jumper(s)
1 x System panel connector
1 x COM port header
1 x Speaker connector
Physical Spec
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6" x 9.6"
Power Pin1 x 24-pin EATX Power connector(s)
1 x 8-pin EATX 12V Power connectors
Windows 11 Compatibility
Windows 11Supported
Features
FeaturesMulti-GPU Support:
Supports AMD 2-Way CrossFireX Technology

Software Features:
ASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- AI Noise-Canceling Microphone
AI Suite 3
- Performance And Power Saving Utility
TurboV EVO
EPU
Digi+ VRM
Fan Xpert 2+
- EZ update
TUF GAMING CPU-Z
AI Charger
ASUS Turbo LAN
DAEMON Tools
DTS Custom for GAMING Headsets
Norton Anti-virus software (Free Trial for 60 days)
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode

ASUS Special Features:
ASUS TUF PROTECTION
- ASUS DIGI+ VRM (Digital power design with DrMOS)
- ASUS Enhanced DRAM Overcurrent Protection
- ASUS ESD Guards
- TUF LANGuard
- ASUS Overvoltage Protection
- ASUS SafeSlot
- ASUS Stainless-Steel Back I/O
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- ASUS Q-Slot
ASUS Thermal Solution
- Aluminum heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- ProCool
AURA Sync
- AURA RGB headers

BIOS:
256 MB Flash ROM, UEFI AMI BIOS

Manageability:
WOL by PXE

Operating System:
Windows 10 64-bit
Windows 7 64-bit *
* To support Windows 7 64-bit, please install an AMD Ryzen 2nd Generation or Ryzen 1st Generation Processor.