ASRock MB B550 TAICHI AMD AM4 Ryzen future AMD Ryzen B550 DDR4 128G ATX Retail

•Supports 3^rd Gen AMD AM4 Ryzen™ / Future AMD Ryzen™ Processors

•16 Power Phase Design, Digi Power, Dr. MOS

•Supports DDR4 5200+ (OC)

•3 PCIe 4.0/3.0x16, 2 PCIe 3.0 x1

•Graphics Output Options: HDMI, DisplayPort

•AMD 3-Way CrossFireX™

•7.1 CH HD Audio (Realtek ALC1220 Audio Codec), Nahimic Audio

•8 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 Ultra M.2 (PCIe Gen3 x4 & SATA3)

•3 USB 3.2 Gen2 (Rear Type A+C, Front Type-C), 8 USB 3.2 Gen1 (4 Front, 4 Rear)

•Intel® 2.5G LAN, Wi-Fi 6 802.11ax (2.4Gbps) + BT 5.1

Unique Feature
ASRock USB 3.2 Gen2
- ASRock Front Panel Type C USB 3.2 Gen2 Header (10 Gb/s)
- ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
- ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s)

ASRock Super Alloy
- XXL Aluminum Alloy Heatsink
- Premium 60A Power Choke
- 50A Dr.MOS
- Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke)
- Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)
- I/O Armor
- Matte Black PCB
- High Density Glass Fabric PCB
- 2oz Copper PCB

Intel 2.5G LAN
Intel 802.11ax WiFi
ASRock Steel Slot Gen4
ASRock Full Coverage M.2 Heatsink
ASRock Hyper M.2 (PCIe Gen4x4)
ASRock Ultra USB Power
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update and APP Shop

CPU
- Supports 3^rd Gen AMD AM4 Ryzen^TM / future AMD Ryzen^TM Processors
- Digi Power design
- 16 Power Phase design
Not compatible with AMD Ryzen^TM 5 3400G and Ryzen^TM 3 3200G.

Chipset
- AMD B550

Memory
- Dual Channel DDR4 Memory Technology
- 4 x DDR4 DIMM Slots
AMD Ryzen series CPUs (Matisse) support DDR4 5000+(OC) / 4933(OC) / 4866(OC) / 4800(OC) / 4733(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC and non-ECC, un-buffered memory
- AMD Next Generation Ryzen series APUs support DDR4 5200+(OC) / 5100(OC) / 5000(OC) / 4933(OC) / 4866(OC) / 4800(OC) / 4733(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC non-ECC, un-buffered memory
- Max. capacity of system memory: 128GB
- Supports Extreme Memory Profile (XMP) memory modules
- 15micro Gold Contact in DIMM Slots
Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation.

BIOS
- 256Mb AMI UEFI Legal BIOS with GUI support
- Supports "Plug and Play"
- ACPI 5.1 compliance wake up events
- Supports jumperfree
- SMBIOS 2.3 support
- CPU, CPU VDDCR_SOC, DRAM, VPPM, VTT_DDR Offset, CPU VDD 1.8 Voltage Multi-adjustment

Graphics
- Integrated AMD Radeon^TM Vega Series Graphics in Ryzen Series APU
- DirectX 12, Pixel Shader 5.0
- Shared memory default 2GB. Max Shared memory supports up to 16GB.
- Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers
- Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) at 60Hz
- Supports DisplayPort 1.4 with max. resolution up to 5K (5120x2880) at 120Hz
- Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required)
- Supports HDR (High Dynamic Range) with HDMI 2.1
- Supports HDCP 2.3 with HDMI 2.1 and DisplayPort 1.4 Ports
- Supports 4K Ultra HD (UHD) playback with HDMI 2.1 and DisplayPort 1.4 Ports
- Supports Microsoft PlayReady
Actual support may vary by CPU
The Max shared memory 16GB requires 32GB system memory installed.

Audio
- 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec)
- Premium Blu-ray Audio support
- Supports Surge Protection
- 120dB SNR DAC with Differential Amplifier
- NE5532 Premium Headset Amplifier for Front Panel Audio Connector (Supports up to 600 Ohm headsets)
- Pure Power-In
- Direct Drive Technology
- PCB Isolate Shielding
- Impedance Sensing on Rear Out port
- Individual PCB Layers for R/L Audio Channel
- Gold Audio Jacks
- 15micro Gold Audio Connector
- Nahimic Audio

LAN
- 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
- GigaLAN Intel I225V
- Supports Wake-On-LAN
- Supports Lightning/ESD Protection
- Supports Energy Efficient Ethernet 802.3az
- Supports PXE

Wireless LAN
- Intel 802.11ax WiFi Module
- Supports IEEE 802.11a/b/g/n/ax
- Supports Dual-Band (2.4/5 GHz)
- Supports WiFi6 802.11ax (2.4Gbps)
- 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology
- Supports Bluetooth 5.1 + High speed class II
- Supports MU-MIMO

Slots
AMD Ryzen series CPUs (Matisse)
- 3 x PCI Express x16 Slots (PCIE1/PCIE3/PCIE5: single at Gen4x16 (PCIE1), dual at Gen4x8 (PCIE1) / Gen4x8 (PCIE3),triple at Gen4x8 (PCIE1) / Gen4x8 (PCIE3) / Gen3x4 (PCIE5))
AMD Ryzen series APUs
- 3 x PCI Express x16 Slots (PCIE1/PCIE3/PCIE5: single at Gen3x16 (PCIE1), dual at Gen3x8 (PCIE1) / Gen3x8 (PCIE3), triple at Gen3x8 (PCIE1) / Gen3x8 (PCIE3) / Gen3x4 (PCIE5))
- 2 x PCI Express 3.0 x1 Slots
- Supports AMD Quad CrossFireX^TM, 3-Way CrossFireX^TM and CrossFireX^TM
- 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-802.11ax module (on the rear I/O)
- 15micro Gold Contact in VGA PCIe Slot (PCIE1)
If PCIE2 or PCIE4 is occupied, PCIE5 will downgrade to x2 mode.
Supports NVMe SSD as boot disks

Storage
- 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
- 4 x SATA3 6.0 Gb/s Connectors by ASMedia ASM1061, support NCQ, AHCI and Hot Plug
- 1 x Hyper M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s)
- 1 x Ultra M.2 Socket (M2_2), supports M Key type 2242/2260/2280/22110 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)
Supports NVMe SSD as boot disks
Supports ASRock U.2 Kit

Connector
- 1 x Power LED and Speaker Header
- 2 x RGB LED Headers
- 2 x Addressable LED Headers
- 1 x CPU Fan Connector (4-pin)
- 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)
- 5 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)
- 1 x 24 pin ATX Power Connector (Hi-Density Power Connector)
- 2 x 8 pin 12V Power Connector (Hi-Density Power Connector)
- 1 x Front Panel Audio Connector (15micro Gold Audio Connector)
- 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
- 1 x Front Panel Type C USB 3.2 Gen2 Header (Supports ESD Protection)
- 1 x Dr. Debug with LED
- 1 x Power Button with LED
- 1 x Reset Button with LED
- 1 x Clear CMOS Button

Support in total up to 12V/3A, 36W LED Strip
Support in total up to 5V/3A, 15W LED Strip
The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
CPU_FAN2/WP_3A supports the water cooler fan of maximum 3A (36W) fan power.
The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
CPU_FAN2/WP_3A, CHA_FAN1/WP, CHA_FAN2/WP, CHA_FAN3/WP, CHA_FAN4/WP and CHA_FAN5/WP can auto detect if 3-pin or 4-pin fan is in use.

Rear Panel I/O
- 2 x Antenna Mounting Points
- 1 x HDMI Port
- 1 x DisplayPort 1.4
- 1 x Optical SPDIF Out Port
- 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection)
- 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection)
- 4 x USB 3.2 Gen1 Ports (Supports ESD Protection)
- 2 x USB 2.0 Ports (Supports ESD Protection)
- 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
- 1 x Clear CMOS Button
- 1 x BIOS Flashback Button
- HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
Ultra USB Power is supported on USB3_1_2 ports.
ACPI wake-up function is not supported on USB3_1_2 ports.

Software and UEFI
Software
- ASRock Motherboard Utility (A-Tuning)
- ASRock Polychrome SYNC
- ASRock XFast LAN

UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash
These utilities can be downloaded from ASRock Live Update and APP Shop.

Support CD
- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar

Accessories
- Quick Installation Guide, Support CD
- 4 x SATA Data Cables
- 1 x ASRock WiFi 2.4/5 GHz Antenna
- 1 x ASRock Screwdriver
- 2x Screws for M.2 Sockets
- 2 x Standoffs for M.2 Sockets