Learn more about ASRock B550M Pro SE
* Not compatible with AMD Athlon™ Processors.ChipsetsChipsetAMD B550MemoryNumber of Memory Slots4x288pin (DDR4)Memory Standard- 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*
* For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs.
* Please refer to Memory Support List on ASRock’s website for more information. (https://www.asrock.com/)
* For non-XMP memory frequency support, please refer to the Specification on ASRock’s website.
* For more details, please refer to the QVL on ASRock’s website.Maximum Memory Supported128GBMemory FeatureSupports Extreme Memory Profile (XMP) memory modulesExpansion SlotsPCI Express 4.0 x16AMD Ryzen series CPUs (Vermeer and Matisse)
– 2 x PCIe x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)*
AMD Ryzen series APUs (Cezanne and Renoir)
– 2 x PCIe x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)*
AMD Ryzen series APUs (Picasso)
– 2 x PCIe x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)*
* Supports NVMe SSD as boot disks
– Supports AMD CrossFirePCI Express x11 x PCIe 3.0 x1 Slot (PCIE2: x1 mode)Storage DevicesSATA 6Gb/s4 x SATA 6Gb/sM.2CPU:
– 1 x Hyper M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) mode (with Cezanne, Renoir and Picasso)*
Chipset:
– 1 x M.2 Socket (M2_2, Key M), supports type 2280 SATA3 6.0 Gb/s & PCIe Gen3x2 (16 Gb/s) modes** Supports NVMe SSD as boot disksSATA RAID0/1/10Onboard AudioAudio Chipset7.1 CH HD Audio (Realtek ALC897 Audio Codec)Audio Channels7.1 ChannelsOnboard LANLAN ChipsetDragon RTL8125BG
– Supports Dragon 2.5G LAN Software
– Smart Auto Adjust Bandwidth Control
– Visual User Friendly UI
– Visual Network Usage Statistics
– Optimized Default Setting for Game, Browser, and Streaming Modes
– User Customized Priority ControlMax LAN Speed2.5GbpsRear Panel PortsBack I/O Ports- 1 x PS/2 Mouse/Keyboard Port
– 1 x HDMI Port
– 1 x DisplayPort 1.4
– 4 x USB 3.2 Gen1 Ports
– 2 x USB 2.0 Ports
– 1 x RJ-45 LAN Port with LED
– HD Audio Jacks: Line in / Front Speaker / MicrophoneInternal I/O ConnectorsOnboard USB- 2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
– 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)Other Connectors- 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 Front Panel Audio Connector
* Support in total up to 12V/3A, 36W LED Strip
** Support in total up to 5V/3A, 15W LED Strip
*** CPU_FAN1 supports the fan power up to 1A (12W).
**** CHA_FAN1~3/WP support the fan power up to 2A (24W).
**** CHA_FAN1~3/WP can auto detect if 3-pin or 4-pin fan is in use.Physical SpecForm FactorMicro ATXDimensions (W x L)9.6″ x 9.6″Power Pin- 1 x 24 pin ATX Power Connector
– 1 x 8 pin 12V Power ConnectorWindows 11 CompatibilityWindows 11SupportedFeaturesFeaturesRock-Solid Durability
– 8 Power Phase
– Pre-Installed I/O Shield
Ultrafast Connectivity
– 2.5G LAN
Software
– ASRock Motherboard Utility (A-Tuning)
– ASRock Dragon 2.5G LAN Software
– ASRock Polychrome SYNC
* These utilities can be downloaded from ASRock Live Update & APP Shop.
UEFI
– ASRock Full HD UEFI
– ASRock Instant FlashPackagingPackage Contents- 1 x User Manual
– 2 x SATA Data Cables
– 2 x Screws for M.2 Sockets
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