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ATX motherboard in dark finish with silver heatsinks, four DDR3 slots and multiple expansion slots

MSI

MSI 870S-G46 AMD 870 motherboard Socket AM3 DDR3 32GB

SKU CH-67NN-WNGA1

Socket AM3 board with AMD 870 chipset supporting dual-channel DDR3 up to 1600 MHz and 32 GB memory, two PCI Express x16 slots and six SATA ports

  • ProcessorSupports 64-bit AMD Phenom II processors
  • ChipsetAMD 870
  • CPU socketSocket AM3
  • Supported memorySupports dual-channel DDR3 1600 (overclocking)/1333/1066/800
  • Max supported RAM32 GB
  • PCI slots2 PCI Express x16 slots - 1, slot (PCI_E2) supports PCIE 2.0
  • Supports 64-bit AMD Phenom II processors for multi-core performance
  • Dual-channel DDR3 up to 1600MHz overclocking for faster memory bandwidth
  • 32GB maximum memory capacity for demanding workloads
  • Two PCI Express x16 slots with 2.0 speeds for graphics expansion
  • Realtek ALC892 8-channel audio with Blu-ray sound output

Socket AM3 DDR3 Platform

The MSI 870S-G46 is an ATX motherboard built on the AMD 870 chipset for Socket AM3 processors. It supports 64-bit AMD Phenom II CPUs and dual-channel DDR3 memory up to 32GB at speeds of 1600 (overclocking), 1333, 1066 and 800MHz. The board targets builders assembling or maintaining legacy AMD systems.

PCI Express 2.0 and SATA III Limits

Two PCI Express x16 slots provide expansion, with the primary slot running at PCIe 2.0 x16 and the secondary at PCIe 2.0 x4. A single PCI Express x1 slot and three 3.3V/5V PCI slots add further connectivity. Six SATA III ports handle storage, while eight USB 2.0 ports on the rear panel cover peripheral needs. Gigabit LAN uses a Realtek 8111DL controller for 10, 100 and 1000Mb/s speeds.

ATX Layout and Onboard Audio

The ATX form factor fits standard chassis mounting points and the included I/O back panel. Realtek ALC892 audio delivers 8-channel output with Blu-ray sound support and Azalia 1.0 compliance. The package supplies the motherboard, a CMOS battery, one SATA cable and the I/O shield. No additional accessories are included.

How it compares

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

Price $36.99
Cheaper than about 95% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMSI 870S-G46
Model nameMSI 870S-G46
Processor
ProcessorSupports 64-bit AMD Phenom II processors
CPU socketSocket AM3
ChipsetAMD 870
Memory
Supported memorySupports dual-channel DDR3 1600 (overclocking)/1333/1066/800 MHz memory
Max supported RAM32 GB
Storage
SATA and RAID support6XSATA III interface
Audio & video
Audio chipRealtek ALC892 Chip
- Support Blu-ray sound output
- Supports 8-channel sound effects detected by intelligent sound interface
Compatible with Azalia 1.0 specifications
Connectivity
Ethernet controllerRealtek PCI-E GbLAN Controller 8111DL Chip
- Integrate Fast Ethernet MAC and PHY into a single chip
- Supports 10Mb/s, 100Mb/s and 1000Mb/s
Compliant with PCI-Express bus specification v1.0a.
Ports & slots
PCI slots2 PCI Express x16 slots
- 1, slot (PCI_E2) supports PCIE 2.0 × 16 speed execution
- 1, slot (PCI_E3) supports PCIE 2.0 x4 speed execution
1 PCI Express x1 slot
3 PCI slots, supporting 3.3v/5v PCI main bus interface
Onboard USB headers8 USB 2.0 ports (backplane)

Questions about this item

Will my Phenom II X6 processor fit the Socket AM3 on this board?

Yes, the board supports 64-bit AMD Phenom II processors in the Socket AM3 interface.

Can I run four sticks of DDR3 1600 memory to reach the 32 GB limit?

The board supports dual-channel DDR3 up to 1600 MHz overclocking with a maximum capacity of 32 GB.

Does the board provide enough SATA ports for three hard drives and an optical drive?

Six SATA III connectors are available, so four drives can be connected simultaneously.

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