ASRock > Motherboard Compare Result

Model	B550M Pro4	B550M WiFi SE

Form Factor	- Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm - Solid Capacitor design - 2oz Copper PCB	- Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm - Solid Capacitor design - 2oz Copper PCB
Unique Feature	ASRock USB 3.2 Gen2 - 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 50A Power Choke - Sapphire Black PCB - High Density Glass Fabric PCB - 2oz Copper PCB ASRock Steel Slot Gen4 ASRock Full Coverage M.2 Heatsink ASRock Hyper M.2 (PCIe Gen4x4) ASRock POST Status Checker (PSC) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop	ASRock Super Alloy - XXL Aluminum Alloy Heatsink - Premium 50A Power Choke - Sapphire Black PCB - High Density Glass Fabric PCB - 2oz Copper PCB Intel^® 802.11ac WiFi ASRock Hyper M.2 (PCIe Gen4x4) ASRock POST Status Checker (PSC) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop
CPU	- Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors* - Digi Power design - 8 Power Phase design *Please refer to CPU support list for details.	- Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors* - Digi Power design - 8 Power Phase design *Please refer to CPU support list for details.
Chipset	- AMD B550	- AMD PRO565
Memory	- Dual Channel DDR4 Memory Technology - 4 x DDR4 DIMM Slots - AMD Ryzen series CPUs (Vermeer) support DDR4 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* - AMD Ryzen series CPUs (Matisse) support DDR4 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* - AMD Ryzen series APUs (Cezanne) support DDR4 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* - AMD Ryzen series APUs (Renoir) support DDR4 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* - AMD Ryzen series APUs (Picasso) support DDR4 3333+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory* - Max. capacity of system memory: 128GB** - Supports Extreme Memory Profile (XMP) memory modules - 15μ Gold Contact in DIMM Slots* For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs. Please refer to below table for AMD non-XMP memory frequency support. For more details. Ryzen Series CPUs (Vermeer): Ryzen Series CPUs (Matisse): Ryzen Series APUs (Cezanne): Ryzen Series APUs: Ryzen Series CPUs (Picasso): SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label x=1 or 2 DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label *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.	- Dual Channel DDR4 Memory Technology - 4 x DDR4 DIMM Slots - AMD Ryzen series CPUs (Vermeer) support DDR4 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* - AMD Ryzen series CPUs (Matisse) support DDR4 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* - AMD Ryzen series APUs (Cezanne) support DDR4 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* - AMD Ryzen series APUs (Renoir) support DDR4 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* - AMD Ryzen series APUs (Picasso) support DDR4 3333+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory* - Max. capacity of system memory: 128GB - Supports Extreme Memory Profile (XMP) memory modules - 15μ Gold Contact in DIMM Slots * For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs. Please refer to below table for AMD non-XMP memory frequency support. For more details, please refer to the QVL on ASRock's website. Ryzen Series CPUs (Vermeer): Ryzen Series CPUs (Matisse): Ryzen Series APUs (Cezanne): Ryzen Series APUs (Renoir): Ryzen Series APUs (Picasso): SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label
Slots	AMD Ryzen series CPUs (Vermeer and Matisse) - 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Cezanne and Renoir) - 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Picasso) - 2 x PCI Express x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)* - 1 x PCI Express 3.0 x1 Slot - Supports AMD Quad CrossFireX™ and CrossFireX™ - 1 x M.2 Socket (Key E), supports type 2230 WiFi / BT PCIe WiFi module *Supports NVMe SSD as boot disks	AMD Ryzen series CPUs (Vermeer and Matisse) - 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Cezanne and Renoir) - 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Picasso) - 2 x PCI Express x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)* - 1 x PCI Express 3.0 x1 Slot - Supports AMD Quad CrossFireX™ and CrossFireX™ - 1 x M.2 Socket (Key E) with the bundled WiFi-802.11ac module * Supports NVMe SSD as boot disks
Graphics	- Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU* - DirectX 12, Pixel Shader 5.0 - Shared memory default 2GB. Max Shared memory supports up to 16GB. - Three graphics output options: D-Sub, HDMI and DisplayPort 1.4 - Supports Triple Monitor - Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz - Supports DisplayPort 1.4 with max. resolution up to 5K (5120x2880)@120Hz - Supports D-Sub with max. resolution up to 1920x1200 @ 60Hz - 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. **Picasso supports HDCP 2.2 with HDMI 2.0 Port	- Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU* - DirectX 12, Pixel Shader 5.0 - Shared memory default 2GB. Max Shared memory supports up to 16GB. - Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz - 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 Port* - Supports 4K Ultra HD (UHD) playback with HDMI 2.1 Port - Supports Microsoft PlayReady * Actual support may vary by CPU The Max shared memory 16GB requires 32GB system memory installed. * Picasso supports HDCP 2.2 with HDMI 2.0 Port
Audio	- 7.1 CH HD Audio with Content Protection (Realtek ALC1220 / ALC1200 Audio Codec) - Premium Blu-ray Audio support - Supports Surge Protection - PCB Isolate Shielding - Nahimic Audio	- 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec) - Premium Blu-ray Audio support - Supports Surge Protection - PCB Isolate Shielding
Lan	- PCIE x1 Gigabit LAN 10 / 100 / 1000 Mb / s - Realtek RTL8111H - Supports Wake-On-LAN - Supports Lightning / ESD Protection - Supports Energy Efficient Ethernet 802.3az - Supports PXE	- PCIE x1 Gigabit LAN 10 / 100 / 1000 Mb / s - Realtek RTL8111H - Supports Wake-On-LAN - Supports Lightning / ESD Protection - Supports Energy Efficient Ethernet 802.3az - Supports PXE
WiFi	- n/a	- Intel^® 802.11ac WiFi Module - Supports IEEE 802.11a / b / g / n / ac - Supports Dual-Band (2.4 / 5 GHz) - Supports high speed wireless connections up to 433Mbps - Supports Bluetooth 4.2+ High speed class II
USB
Rear Panel I/O	- Antenna Bracket - 1 x PS / 2 Mouse / Keyboard Port - 1 x D-Sub Port - 1 x HDMI Port - 1 x DisplayPort 1.4 - 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 (ASMedia ASM1074 hub) (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) - HD Audio Jacks: Line in / Front Speaker / Microphone	- 2 x Antenna Ports - 1 x PS / 2 Mouse / Keyboard Port - 1 x HDMI Port - 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (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) - HD Audio Jacks: Line in / Front Speaker / Microphone
Storage	- 6 x SATA3 6.0 Gb / s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug* - 1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 PCI Express module up to Gen4x4 (64 Gb / s) (with Vermeer, Matisse) or Gen3x4 (32 Gb / s) (with Cezanne, Renoir and Picasso) - 1 x M.2 Socket (M2_2), supports M Key type 2280 M.2 SATA3 6.0 Gb / s module and M.2 PCI Express module up to Gen3 x2 (16 Gb / s) M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled. *Supports NVMe SSD as boot disks NVMe SSD is not supported with AMD Athlon™ 3000G Processors	- 4 x SATA3 6.0 Gb / s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug - 1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 PCI Express module up to Gen4x4 (64 Gb / s) (with Vermeer, Matisse) or Gen3x4 (32 Gb / s) (with Cezanne, Renoir and Picasso)* *Supports NVMe SSD as boot disks NVMe SSD is not supported with AMD Athlon™ 3000G Processors
RAID
Connector	- 1 x COM Port Header - 1 x SPI TPM Header - 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)** - 4 x Chassis / Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)*** - 1 x 24 pin ATX Power Connector - 1 x 8 pin 12V Power Connector - 1 x Front Panel Audio Connector - 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) - 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection) 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. The CPU / Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. ***The Chassis / Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. CPU_FAN2 / WP, CHA_FAN1 / WP, CHA_FAN2 / WP, CHA_FAN3 / WP and CHA_FAN4 / WP can auto detect if 3-pin or 4-pin fan is in use.	- 1 x COM Port Header - 1 x SPI TPM Header - 1 x Power LED and Speaker Header - 2 x RGB LED Headers* - 2 x Addressable LED Headers - 1 x CPU Fan Connector (4-pin)* - 3 x Chassis / Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)**** - 1 x 24 pin ATX Power Connector - 1 x 8 pin 12V Power Connector - 1 x Front Panel Audio Connector - 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) - 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection) 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. ** The Chassis / Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. CHA_FAN1 / WP, CHA_FAN2 / WP and CHA_FAN4 / WP can auto detect if 3-pin or 4-pin fan is in use.
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, 1.05V_PROM_S5, 2.5V_PROM, +1.8VSB, VDDP Voltage Multi-adjustment	- 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, +1.8VSB Voltage Multi-adjustment
Support CD	- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar
Software and UEFI	Software - ASRock Motherboard Utility (A-Tuning) UEFI - ASRock Full HD UEFI - ASRock Instant Flash *These utilities can be downloaded from ASRock Live Update & APP Shop.	Software - ASRock Motherboard Utility (A-Tuning) - ASRock Polychrome SYNC UEFI - ASRock Full HD UEFI - ASRock Instant Flash *These utilities can be downloaded from ASRock Live Update & APP Shop.
Hardware Monitor	- Temperature Sensing: CPU, CPU / Water Pump, Chassis / Water Pump Fans - Fan Tachometer: CPU, CPU / Water Pump, Chassis / Water Pump Fans - Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU / Water Pump, Chassis / Water Pump Fans - Fan Multi-Speed Control: CPU, CPU / Water Pump, Chassis / Water Pump Fans - Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, +1.8V, VDDP	- Temperature Sensing: CPU, Chassis / Water Pump Fans - Fan Tachometer: CPU, Chassis / Water Pump Fans - Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, Chassis / Water Pump Fans - Fan Multi-Speed Control: CPU, Chassis / Water Pump Fans - Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, +1.8V
OS	- Microsoft Windows 10 64-bit / 11 64-bit	- Microsoft Windows 10 64-bit / 11 64-bit
Certifications	- FCC, CE - ErP / EuP ready (ErP / EuP ready power supply is required)	- FCC, CE - ErP / EuP ready (ErP / EuP ready power supply is required)
Accessories	- Quick Installation Guide, Support CD, I / O Shield - 2 x SATA Data Cables - 2 x Screws for M.2 Sockets	- 1 x I / O Shield - 1 x User Manual - 2 x SATA Data Cables - 2 x ASRock WiFi 2.4 / 5 GHz Antennas - 1 x Screw for M.2 Socket