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Rectangular green ATX board with silver ports and black slots

MSI

MSI 870A-G46 AMD 870 AM3 DDR3 32GB ATX motherboard

SKU CH-RVJD-P73A1

Supports AM3 Phenom II CPUs with dual-channel DDR3 up to 1600MHz, 32GB max memory, two PCIe 2.0 x16 slots, six SATA ports and Realtek Gigabit LAN

  • CPU Socket TypeSocket AM3
  • CPU TypeSupports 64-bit AMD Phenom II processors
  • ChipsetAMD 870
  • Memory StandardSupports dual-channel DDR3 1600 (overclocking)/1333/1066/800
  • Maximum Memory Supported32GB
  • PCI Slots2 PCI Express x16 slots - 1, slot (PCI_E2) supports PCIE 2.0
  • Supports dual-channel DDR3 up to 1600 MHz for faster memory bandwidth
  • AMD 870 chipset with Socket AM3 for 64-bit Phenom II processors
  • 32 GB maximum memory capacity across four DIMM slots
  • Two PCI Express x16 slots with one at 2.0 x16 and one at 2.0 x4
  • Realtek ALC892 8-channel audio with Blu-ray sound output support

Socket AM3 platform

The MSI 870A-G46 is an ATX motherboard built around the AMD 870 chipset for Socket AM3 processors. It supports 64-bit AMD Phenom II CPUs and dual-channel DDR3 memory at speeds up to 1600 MHz with overclocking. Maximum memory capacity reaches 32 GB across four slots.

Expansion layout and connectivity

Two PCI Express 2.0 x16 slots provide graphics options, the second running at x4 electrical speed, alongside one PCI Express x1 slot and three legacy 3.3 V/5 V PCI slots. Six SATA III ports handle storage, while six USB 2.0 ports sit on the rear I/O panel. A Realtek 8111DL Gigabit LAN controller supplies 10/100/1000 Mb/s networking.

Memory headroom and audio

Dual-channel DDR3 up to 1600 MHz and a 32 GB ceiling give ample room for multi-tasking and older workloads; beyond that the board cannot address more memory. The Realtek ALC892 codec delivers 8-channel audio with Blu-ray sound output support and Azalia 1.0 compliance.

Points forts

  • Supports dual-channel DDR3 up to 1600 MHz for faster memory bandwidth
  • AMD 870 chipset with Socket AM3 for 64-bit Phenom II processors
  • 32 GB maximum memory capacity across four DIMM slots
  • Two PCI Express x16 slots with one at 2.0 x16 and one at 2.0 x4
  • Realtek ALC892 8-channel audio with Blu-ray sound output support

Caractéristiques

BrandMSI
SeriesMSI 870A-G46
ModelMSI 870A-G46
CPU Socket TypeSocket AM3
CPU TypeSupports 64-bit AMD Phenom II processors
ChipsetAMD 870
Memory StandardSupports dual-channel DDR3 1600 (overclocking)/1333/1066/800MHz memory
Maximum Memory Supported32GB
PCI Slots2 PCI Express x16 slots
- 1, slot (PCI_E2) supports PCIE 2.0 x 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
SATA RAID6XSATA III interface
Audio ChipsetRealtek ALC892 Chip
- Support Blu-ray sound output
- Supports 8-channel sound effects detected by intelligent sound interface
Compatible with Azalia 1.0 specifications
LAN ChipsetRealtek 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.
Onboard USB6 USB 2.0 ports (backplane)

Questions sur cet article

What is the maximum DDR3 memory capacity this board can address?

The board supports up to 32GB of DDR3 memory across its dual-channel slots.

How loud or hot does the Realtek 8111DL LAN chip and ALC892 audio chipset run during continuous operation?

Both chips are low-power designs with passive cooling; they stay cool and silent under normal all-day loads.

Which CPU cooler mounting holes and power connectors must my existing cooler and PSU provide for Socket AM3?

The board uses the standard AM3 mounting pattern and a 4-pin CPU power header, so any AM3-compatible cooler and ATX PSU will fit.

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