Motherboard is basically new. In excellent working condition. BIOS has been updated to the latest version. Includes all accessories shown in image (IO plate, original box, driver CD, manual, SATA cable). 

Serial #: 6751 / 2H7D

Model

Brand	ASUS
Model	TUF GAMING B450-PLUS II

Supported CPU

CPU Socket Type	AM4
CPU Type	Supports 3rd / 2nd / 1st Gen AMD Ryzen Processors* Supports 2nd / 1st Gen AMD Ryzen with Radeon Vega Graphics Processors* Supports Athlon with Radeon Vega Graphics Processors* * Refer to www.asus.com for CPU support list.

Chipsets

Chipset	AMD B450

Memory

Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 4400(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3533(OC) / 3466(OC) / 3400(OC) / 3200(OC) / 3000(OC) / 2800(OC) / 2666 / 2400 / 2133 * * The maximum memory frequency supported varies by processor. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Maximum Memory Supported	128GB
Channel Supported	Dual Channel
ECC Supported	ECC Memory (ECC mode) support varies by CPU.
Buffer Supported	Un-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 x16	1 x PCI Express 2.0 x16* * PCIE x16_2 will be unavailable when installing M.2 PCIE SSD in M.2_2 socket. * PCIe x16_2 will run x2 when installing devices in PCIe x1_1 or PCIe x1_2 slots. * PCIE x16_2 will run x4 when no devices installing in PCIE x1_1 and PCIE x1_2 slots.
PCI Express x16	None
PCI Express x1	3 x PCIe 2.0 x1

Storage Devices

Serial ATA (SATA)	6 x SATA 6Gb/s
M.2	3rd / 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 2242/2260/2280/22110 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 2242/2260/2280/22110 storage devices support (SATA mode)* AMD B450 chipset: 1 x M.2 Socket 3, with M Key, type 2242/2260/2280 storage devices support (PCIE 2.0 x4)** * The M.2 Socket shares bandwidth with the SATA_5/6 ports, and therefore the SATA_5/6 ports cannot be used when an M.2 device is installed. ** PCIe x16_2, PCIe x1_1, and PCIe x1_2 slots will be unavailable when installing M.2 PCIe SSD in M.2_2 socket.
SATA RAID	0/1/10

Onboard Video

Onboard Video Chipset	Supported only by CPU with integrated graphic

Onboard Audio

Audio Chipset	Realtek ALC S1200A
Audio Channels	8 Channels* * Use a chassis with HD audio module in the front panel to support an 8-channel audio output.

Onboard LAN

LAN Chipset	Realtek L8200A
Max LAN Speed	1Gbps

Rear Panel Ports

Back I/O Ports	2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Realtek L8200A 1Gb Ethernet port 1 x BIOS FlashBack button 1 x Optical S/PDIF Out 5 x Audio jacks
HDMI	1 x HDMI
USB 3.0	3 x USB 3.0

Internal I/O Connectors

Onboard USB	1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports
Other Connectors	Fan and cooling related 1 x 4-pin CPU Fan header 3 x 4-pin Chassis Fan headers 1 x 4-pin AIO_PUMP connector Miscellaneous 2 x AURA RGB headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header

Physical Spec

Form Factor	ATX
LED Lighting	RGB
Dimensions (W x L)	12.0" x 9.6"
Power Pin	1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector

Software Feature

Windows 11	Supported

Features

Features

Multi-GPU Support: Supports AMD 2-Way CrossFireX Technology Special Features: ASUS TUF PROTECTION - ASUS DIGI+ VRM - 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-Slot ASUS Thermal Solution - Aluminum heatsink design ASUS EZ DIY - BIOS FlashBack button - BIOS FlashBack LED AURA Sync - AURA RGB headers 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 4 core - EZ update - PC Cleaner 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 BIOS: 256MB Flash ROM, UEFI AMI BIOS Manageability: WOL by PME, 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.