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Green micro-ATX board with silver heatsinks and black slots

GIGABYTE

GIGABYTE B450M S2H AMD motherboard

SKU CH-RQHM-6MEA6

Micro-ATX board with AM4 socket, dual-channel DDR4 up to 32 GB, one PCIe 3.0 x16 slot, four SATA 6 Gb/s ports and an M.2 socket for SATA or PCIe SSDs

  • CPU Socket TypeAM4
  • CPU TypeAM4 Socket: Support for AMD Ryzen 2nd Generation / Ryzen wit
  • ChipsetAMD B450
  • Number of Memory Slots2x288pin (DDR4)
  • Memory StandardDDR4 3200(O.C.)/ 2933/ 2667/ 2400/ 2133
  • Maximum Memory Supported32GB
  • AM4 socket supports Ryzen 1st and 2nd generation CPUs
  • Dual-channel DDR4 up to 3200 MHz overclocked with 32 GB max capacity
  • PCI Express 3.0 x16 slot plus two x1 slots for expansion cards
  • M.2 socket 3 M key accepts 2242, 2260, 2280 SATA and PCIe SSDs
  • Realtek 8118 Gigabit LAN with bandwidth control utility

AM4 micro-ATX platform

The GIGABYTE B450M S2H is an AMD B450 motherboard built for socket AM4 processors. It accepts Ryzen 1st and 2nd generation CPUs, plus Athlon APUs with integrated Radeon graphics. Two DDR4 slots support up to 32 GB in dual-channel mode at speeds up to 3200 MT/s when overclocked. A single PCI Express 3.0 x16 slot and one M.2 socket provide the core expansion paths for a compact build.

Sustained thermal behaviour

The board uses a 128 Mbit AMI UEFI BIOS with hardware monitoring for voltage, temperature and fan speed. Fan headers adjust speed based on thermal load, so airflow scales with demand rather than running at a fixed rate. Overheating and fan-fail warnings are exposed to the operating system, allowing software to react before throttling occurs. This monitoring chain stays active during long compute sessions or continuous gaming.

Connectors and daily use

Rear I/O includes HDMI, DVI-D and D-Sub video outputs driven by the CPU's integrated graphics, plus a Realtek GbE LAN port rated at 1 Gbps. Four SATA 6 Gb/s ports and the M.2 slot supporting 2242, 2260 and 2280 drives handle storage. Two PCIe 2.0 x1 slots add peripheral cards, while legacy PS/2 ports remain for keyboard and mouse. The micro-ATX layout fits standard chassis mounting points.

Points forts

  • AM4 socket supports Ryzen 1st and 2nd generation CPUs
  • Dual-channel DDR4 up to 3200 MHz overclocked with 32 GB max capacity
  • PCI Express 3.0 x16 slot plus two x1 slots for expansion cards
  • M.2 socket 3 M key accepts 2242, 2260, 2280 SATA and PCIe SSDs
  • Realtek 8118 Gigabit LAN with bandwidth control utility

Caractéristiques

BrandGIGABYTE
ModelB450M S2H
CPU Socket TypeAM4
CPU TypeAM4 Socket: Support for AMD Ryzen 2nd Generation / Ryzen with Radeon Vega Graphics / Athlon with Radeon Vega Graphics / Ryzen 1st Generation Processors
ChipsetAMD B450
Number of Memory Slots2x288pin (DDR4)
Memory StandardDDR4 3200(O.C.)/ 2933/ 2667/ 2400/ 2133
Maximum Memory Supported32GB
Channel SupportedDual Channel
PCI Express 3.0 x161 x PCI Express x16 slot, running at x16 (The PCIEX16 slot conforms to PCI Express 3.0 standard.)
PCI Express x12 x PCI Express x1 slots (The PCI Express x1 slot conforms to PCI Express 2.0 standard.)
Serial ATA (SATA)4 x SATA 6Gb/s
M.21 x M.2 connector (Socket 3, M key, type 2242/2260/2280 SATA and PCIe x4/x2* SSD support) * Supports only M.2 SATA SSDs when using an AMD Athlon 200-series / 7th Generation A-series or Athlon APU.
SATA RAID0/1/10
Onboard Video ChipsetSupported only by CPU with integrated graphic: 1 x D-Sub port, supporting a maximum resolution of 1920x1200@60Hz 1 x DVI-D port, supporting a maximum resolution of 1920x1200@60Hz * The DVI-D port does not support D-Sub connection by adapter. 1 x HDMI port, supporting a maximum resolution of 4096x2160@60Hz* * Support for HDMI 2.0 version and HDCP 2.2.* Maximum shared memory of 2GB * Actual support may vary by CPU.
LAN ChipsetRealtek GbE LAN chip
Max LAN Speed1Gbps
PS/21 x PS/2 keyboard port 1 x PS/2 mouse port
Video Ports1 x D-Sub port 1 x DVI-D port
HDMI1 x HDMI
RJ451 x RJ45
USB 3.14 x USB 3.1 Gen 1 ports
USB 1.1/2.02 x USB 2.0
Audio Ports2 x USB 2.0
Onboard USB1 x USB 3.1 Gen 1 header 2 x USB 2.0/1.1 headers
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6" x 8.1"
Power Pin1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector

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