AMD Promontory B350Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)Ryzen series CPUs support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133*7th Gen A-Series APUs support DDR4 2400/ 2133*ModelBrandASRockModelAB350M Pro4Supported CPUCPU Socket TypeAM4CPU TypeSupports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)ChipsetsChipsetAMD Promontory B350MemoryNumber of Memory Slots4ラ288pinMemory StandardRyzen series CPUs support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133*7th Gen A-Series APUs support DDR4 2400/ 2133**Please refer to Memory Support List on ASRock's website for more information.Maximum Memory Supported64GB****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.Channel SupportedDual ChannelExpansion SlotsPCI Express 3.0 x16AMD Ryzen series CPUs- 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*AMD 7th A-Series APUs- 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)**Supports NVMe SSD as boot disksPCI Express 2.0 x16AMD Ryzen series CPUs- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)AMD 7th A-Series APUs- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)PCI Express x11 x PCI Express 2.0 x1 SlotStorage DevicesSATA 6Gb/s4 x SATA3 6.0Gb/s**M2_2 and SATA3_3 share lanes. If either one of them is in use, the other one will be disabled.M.21 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32Gb/s) (with Ryzen Series CPU) or Gen3 x2 (16Gb/s) (with A-Series APU)**1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0Gb/s module****Supports NVMe SSD as boot disks**Supports ASRock U.2 KitSATA RAID0/1/10Onboard VideoOnboard Video ChipsetIntegrated AMD Radeon R-Series Graphics in A-series APU*- DirectX 12, Pixel Shader 5.0- Max. shared memory 2GB- Three graphics output options: D-Sub, DVI-D and HDMI- Supports Triple Monitor- Supports HDMI with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz- Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz- 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 Port (Compliant HDMI monitor is required)- Supports HDCP with DVI-D and HDMI Ports- Supports Full HD 1080p Blu-ray (BD) playback with DVI-D and HDMI Ports*Actual support may vary by CPUOnboard AudioAudio ChipsetRealtek ALC892Audio Channels7.1 Channels**To configure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.Onboard LANLAN ChipsetRealtek 8111GRMax LAN Speed10/100/1000MbpsRear Panel PortsPS/21 x PS/2 Mouse Port1 x PS/2 Keyboard PortVideo Ports1 x D-Sub Port1 x DVI-D PortHDMI1 x HDMIRJ451 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)USB 3.11 x USB 3.1 Gen1 Type-C Port (Supports ESD Protection)4 x USB 3.1 Gen1 Ports (Supports ESD Protection)USB 1.1/2.02 x USB 2.0 Ports (Supports ESD Protection)Audio PortsHD Audio Jacks: Line in / Front Speaker / MicrophoneInternal I/O ConnectorsOnboard USB2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection)Other Connectors1 x COM Port Header1 x TPM Header1 x Power LED and Speaker Header1 x RGB LED Header*1 x AMD Fan LED Header*1 x CPU Fan Connector (4-pin)**2 x Chassis Fan Connectors (1 x 3-pin, 1 x 4-pin Smart Fan Speed Control)***1 x Front Panel Audio Connector1 x AMD LED Fan USB Header*Supports in total up to 12V/3A, 36W LED Strip.*The AMD Fan LED Header supports LED strips of maximum load of 3A (36W) and length up to 2.5M.**The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.***CHA_FAN1 can auto detect if 3-pin or 4-pin fan is in use.For Any Query Please Contact Bizgram Asia Pte Ltd +65-87776955