| Brand | LONGWELL |
| Model | B450M-VDH |
| CPU Support | AMD AM4 Socket
6 Power Phase design
Supports CPU up to 105W |
| CPU Brand | AMD |
| Socket | AM4 |
| Chipset | AMD B450 |
| Memory Support | Dual Channel DDR4 Memory Technology
2 x DDR4 DIMM 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 Max. capacity of system memory: 32GB 15 Gold Contact in DIMM SlotsEach DIMM supports non-ECC 4/8/16/32GB DDR4 module |
| Maximum Memory Bus | 3200 |
| 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, 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 2048x1536 @ 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 1.4 with DVI-D and HDMI Ports
Supports 4K Ultra HD (UHD) playback with HDMI Port *Actual support may vary by CPU
**The Max shared memory 16GB requires 32GB system memory installed |
| Multi Graphic Support | None |
| Audio | ALC662
6.1 Channels, High Definition Audio |
| Expansion Slots | 2x PCIe 3.0 x1 Slot
1x PCIe 4.0 x16 Slot |
| Maximum PCIe Version | PCIe 3.0 |
| Storage | 4 x SATA3 6.0 Gb/s Connectors
1 x M.2 Socket, supports M Key type 2242/2260/2280 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 |
| M.2 Storage Type Support | NVMe |
| M.2 Slot | 1 |
| USB | 6 x USB 3.1 (Gen1) ports (4 on rear I/Os and 2 via internal headers)
4 x USB 2.0 ports (2 on rear I/Os and 2 via internal headers) |
| Internal I/O Connectors | 1 x COM Port Header
1 x Chassis Intrusion and Speaker Header
1 x CPU Fan Connector (4-pin)*
1 x Chassis Fan Connectors (1 x 3-pin)**
1 x 24 pin ATX Power Connector
1 x 8 pin 12V Power Connector
1 x Front Panel Audio Connector
1 x USB 2.0 Headers (Support 2 USB 2.0 ports) (Supports ESD Protection)
1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection) *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. |
| Back Panel Connectors | 1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x D-Sub Port
1 x DVI-D Port
4 x USB 3.1 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)
HD Audio Jacks : Line in / Front Speaker / Microphone |
| LAN | REALTEK 8111H
10/ 100/ 1000 Mb/s auto negotiation, Half / Full duplex capability |
| Wireless Data Network | None |
| Form Factor | Micro ATX |
| H/W Monitoring | CPU/Chassis temperature sensing
CPU/Chassis Fan Tachometer
CPU/Chassis Quiet Fan
CPU/Chassis Fan multi-speed control
CASE OPEN detection
Voltage monitoring: +12V, +5V, +3.3V, Vcore |
| BIOS | EFI BIOS |
| Special Features | N/A |
| Software Features | N/A |
| Operating System Support | Supports Windows 10 (64bit)
Supports Windows 11 (64bit) |
| Package Contents | 1 x MAINBOARD AM4 (B450M-VDH)
1 x I/O Panel
1 x SATA Cable
1 x CD Driver
1 x User Manual |
| Package Dimension | (W x D x H) : 28.00 x 23.00 x 6.00 cm |
| Gross Weight | 0.69 KG |
| Volume | 3,864.00 cm3 |