work for you?
Editor's Notes & Price Research
At the time of this posting, Our research indicates that this ASRock B450M-HDV Micro ATX AM4 Promontory Motherboard is $21.60 lower (27.83% savings) than the next best available price from a reputable merchant with prices starting from $77.59. -SaltyOne
they have several items at 20% off in their ebay store, for a full list click on the coupon on this products page on ebay upper left hand corner of this item- to see a full list.
CPU Socket Type
AMD Promontory B450
Number of Memory Slots
AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC)/ 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered memory** For Ryzen Series CPUs (Raven Ridge), ECC is only supported with PRO CPUs.
Maximum Memory Supported
32GB** 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.
PCI Express 3.0 x16
AMD Ryzen series CPUs (Summit Ridge and Pinnacle Ridge)- 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*AMD Ryzen series CPUs (Raven Ridge)- 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode) (If you use Athlon 2xxGE series APU, PCIE2 slot will run at x4 mode.)** Supports NVMe SSD as boot disks
PCI Express x1
1 x PCI Express 2.0 x1 Slot
4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug
1 x Ultra M.2 Socket, supports M Key type 2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s) (with Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16Gb/s) (with Athlon 2xxGE series APU)** Supports NVMe SSD as boot disks* Supports ASRock U.2 Kit
Onboard Video Chipset
Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU*DirectX 12, Pixel Shader 5.0Shared memory default 2GB. Max Shared memory supports up to 16GB.**Three graphics output options: D-Sub, DVI-D and HDMISupports Triple MonitorSupports HDMI with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30HzSupports DVI-D with max. resolution up to 1920x1200 @ 60HzSupports D-Sub with max. resolution up to 2048x1536 @ 60HzSupports 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 PortsSupports 4K Ultra HD (UHD) playback with HDMI Port* Actual support may vary by CPU** The Max shared memory 16GB requires 32GB system memory installed
7.1 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.
Max LAN Speed
Rear Panel Ports
1 x PS/2 keyboard/mouse port
1 x D-Sub1 x DVI-D
1 x HDMI
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
4 x USB 3.1 Gen1 Ports (Supports ESD Protection)
2 x USB 2.0 Ports (Supports ESD Protection)
HD Audio Jacks: Line in / Front Speaker / Microphone
Internal I/O Connectors
2 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)
1 x Print Port Header1 x COM Port Header1 x TPM Header1 x Chassis Intrusion and Speaker Header1 x CPU Fan Connector (4-pin)*1 x Chassis Fan Connector (3-pin)**1 x Chassis/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)***1 x Front Panel Audio Connector* The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.** The Chassis Fan Connector supports the chassis fan of maximum 1A (12W) fan power.*** The Chassis/Water Pump Fan Connector supports the water cooler fan of maximum 2A (24W) fan power.*** CHA_FAN1/WP can auto detect if 3-pin or 4-pin fan is in use.
Dimensions (W x L)
9.1" x 8.1"
1 x 24-pin ATX Power Connector 1 x 4-pin 12V Power Connector
Unique Feature:ASRock Super Alloy- High Density Glass Fabric PCB- Sapphire Black PCBASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)ASRock Full Spike Protection (for all USB, Audio, LAN Ports)ASRock Live Update & APP ShopBIOS:- 128MB AMI UEFI Legal BIOS with GUI support- Supports "Plug and Play"- ACPI 5.1 compliance wake up events- Supports jumperfree- SMBIOS 2.3 support- DRAM Voltage multi-adjustmentSoftware and UEFI:Software- ASRock A-Tuning- ASRock XFast LANUEFI- ASRock Full HD UEFI- ASRock Instant Flash- ASRock Easy RAID Installer* These utilities can be downloaded from ASRock Live Update & APP Shop.Support CD:- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and ToolbarHardware Monitor:- Temperature Sensing: CPU, Chassis, Chassis/Water Pump Fans- Fan Tachometer: CPU, Chassis, Chassis/Water Pump Fans- Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, Chassis, Chassis/Water Pump Fans- Fan Multi-Speed Control: CPU, Chassis, Chassis/Water Pump Fans- CASE OPEN detection- Voltage monitoring: +12V, +5V, +3.3V, VcoreOS:- Microsoft Windows 10 64-bitCertifications:- 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 - 1 x Screw for M.2 Socket