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Micro-ATX AM4 board, matte black PCB, silver slots, silver heatsink, rear I/O shield

GIGABYTE

GIGABYTE B450M S2H AM4 AMD motherboard

SKU CH-7376-7T1N9

Micro-ATX AM4 board with four SATA 6Gb/s ports, one M.2 slot, dual-channel DDR4 up to 3200 and HDMI output

  • ProcessorAM4 Socket: Support for AMD Ryzen 2nd Generation / Ryzen wit
  • ChipsetAMD B450
  • Form factorMicro ATX
  • CPU socketAM4
  • Memory slot count2 × 288pin (DDR4)
  • Supported memoryDDR4 3200(O.C.)/ 2933/ 2667/ 2400/ 2133
  • AM4 socket supports Ryzen 1st and 2nd generation processors
  • Dual-channel DDR4 memory up to 32 GB capacity
  • PCIe 3.0 x16 slot for modern graphics cards
  • M.2 socket 3 accepts 2242 2260 2280 SATA and PCIe SSDs
  • Four SATA 6Gb/s ports plus four USB 3.1 Gen 1 ports

AMD B450 Micro-ATX Motherboard

The GIGABYTE B450M S2H is a Micro-ATX board built around the AMD B450 chipset for socket AM4 processors. It accepts Ryzen first- and second-generation CPUs as well as Athlon APUs with Radeon Vega graphics. Two DDR4 slots support up to 32 GB in dual-channel mode.

Single M.2 Slot for Storage

One M.2 connector handles both SATA and PCIe x4 drives in 2242, 2260 and 2280 lengths. With an Athlon 200-series or 7th-generation A-series APU the slot works only for SATA SSDs. This single slot is the primary high-speed storage connection on the board.

VRM Cooling Under Load

The board uses a discrete voltage-regulator layout without integrated heatsinks on the power phases. During extended all-core workloads the MOSFETs rely on case airflow to stay within safe temperatures. Adequate chassis ventilation is required to prevent thermal throttling on higher-wattage CPUs.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $273.99
Typical for this category: the median of 1,906 items is $224.49.

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Specifications

Product
Brand nameGIGABYTE
Model nameB450M S2H
Processor
ProcessorAM4 Socket: Support for AMD Ryzen 2nd Generation / Ryzen with Radeon Vega Graphics / Athlon with Radeon Vega Graphics / Ryzen 1st Generation Processors
CPU socketAM4
ChipsetAMD B450
Memory
Memory slot count2 × 288pin (DDR4)
Supported memoryDDR4 3200(O.C.)/ 2933/ 2667/ 2400/ 2133
Max supported RAM32 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots1 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.
Connectivity
Ethernet controllerRealtek GbE LAN chip
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots1 x PCI Express x16 slot, running at x16 (The PCIEX16 slot conforms to PCI Express 3.0 standard.)
PCIe x1 slots2 x PCI Express x1 slots (The PCI Express x1 slot conforms to PCI Express 2.0 standard.)
Rear panel ports1 x D-Sub / 1 x DVI-D / 1 x HDMI / 1 x LAN (RJ45) / 2 x PS/2 / 2 x USB 2.0/1.1 / 3 x Audio Jacks / 4 x USB 3.1 Gen 1
PS/2 ports1 x PS/2 keyboard port 1 x PS/2 mouse port
Video connectors1 x D-Sub port 1 x DVI-D port
HDMI ports1 x HDMI
Ethernet port1 xRJ45
USB 3.1 ports4 x USB 3.1 Gen 1 ports
USB 2.0 ports2 x USB 2.0
Audio jacks3 Ports
Onboard USB headers1 x USB 3.1 Gen 1 header 2 x USB 2.0/1.1 headers
Power
Power connectors1 × 24-pin ATX main power connector 1 × 8-pin ATX 12 V power connector
Size & build
Form factorMicro ATX
Width and length9.6 in × 8.1 in
More details
LightingRGB

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