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Green Micro ATX board with silver LGA 1156 socket and blue DDR3 slots

MSI

MSI H55M-P31 Intel H55 LGA 1156 DDR3 Micro ATX Motherboard

SKU CH-VF8F-XTWNG

Micro ATX board for LGA 1156 CPUs with DDR3 up to 16 GB, PCIe 2.0 slots, six SATA ports and Realtek 7.1 audio

  • CPU Socket TypeLGA 1156
  • CPU TypeIntel i3/i5/i7 based processors with Socket 1156 architectur
  • ChipsetIntel H55
  • Memory StandardSupports dual-channel DDR3 2133 (overclocking)/2000 (overclo
  • Maximum Memory Supported16GB
  • PCI Slots1 PCI Express x16 slot (supports PCI Express bus specificati
  • Supports up to 16GB DDR3 memory for responsive multitasking
  • LGA 1156 socket fits Intel i3 i5 i7 processors
  • Intel H55 chipset delivers integrated graphics and media features
  • Realtek ALC889 provides 7.1 channel high definition audio
  • Realtek 8111DL gigabit LAN enables fast wired networking

Intel H55 LGA 1156 Micro ATX Motherboard

The MSI H55M-P31 is a Micro ATX motherboard built on the Intel H55 chipset for Socket 1156 processors. It accepts Intel Core i3, i5 and i7 CPUs using the LGA 1156 interface and supports dual-channel DDR3 memory up to 16 GB. Six SATA II ports, one PCIe 2.0 x16 slot, one PCIe 2.0 x1 slot and a legacy PCI 2.3 slot provide internal expansion. Realtek ALC889 audio delivers 7.1-channel sound and a Realtek 8111DL controller handles Gigabit Ethernet. Six USB 2.0 ports are available on the rear I/O panel.

System builders upgrading

This board suits enthusiasts maintaining or assembling a legacy LGA 1156 system that requires dual-channel DDR3 and integrated graphics support through the H55 chipset. It fits Micro ATX chassis and provides the core connectivity of its era. Builders targeting newer sockets, different memory types or contemporary storage interfaces should select a current-generation motherboard instead.

Maximum 16 GB dual-channel DDR3 capacity

The memory controller limits total system memory to 16 GB across two channels using DDR3 modules rated up to 2133 MHz when overclocked. This ceiling determines whether the board can meet the RAM requirements of a planned LGA 1156 build.

商品特色

  • Supports up to 16GB DDR3 memory for responsive multitasking
  • LGA 1156 socket fits Intel i3 i5 i7 processors
  • Intel H55 chipset delivers integrated graphics and media features
  • Realtek ALC889 provides 7.1 channel high definition audio
  • Realtek 8111DL gigabit LAN enables fast wired networking

商品規格

BrandMSI
SeriesMSI H55M-P31
ModelMSI H55M-P31
CPU Socket TypeLGA 1156
CPU TypeIntel i3/i5/i7 based processors with Socket 1156 architecture
ChipsetIntel H55
Memory StandardSupports dual-channel DDR3 2133 (overclocking)/2000 (overclocking)/1800 (overclocking)/1600 (overclocking)/1333/1066MHz memory
Maximum Memory Supported16GB
PCI Slots1 PCI Express x16 slot (supports PCI Express bus specification v2.0)
1 PCI Express x1 slot (supports PCI Express bus specification v2.0)
1 PCI 2.3 specification 32-bit main bus slot (supports 3.3v/5v PCI main bus interface)
SATA RAID6XSATA II interface
Audio ChipsetRealtek ALC889 Audio Chip
Support 7.1 channel sound effects detected by intelligent sound interface
Compatible with Azalia 1.0 specifications
Compliant with Microsoft Vista Premium specifications
LAN Chipset1 PCI Express network port supports 10/100/1000 Fast Ethernet provided by Realtek 8111DL
Onboard USB6 USB 2.0 ports (backplane)

商品問答

Do I need a processor with an LGA 1156 socket for this board?

Yes, the MSI H55M-P31 uses the LGA 1156 socket and supports Intel i3, i5, or i7 processors built on that architecture.

Can I keep my PCI 2.3 expansion cards when upgrading to this motherboard?

The board includes one 32-bit PCI 2.3 slot that accepts 3.3 V or 5 V cards, so compatible legacy add-in cards will still work.

How can I verify the Realtek ALC889 audio is running in 7.1 channel mode after setup?

Open the Realtek HD Audio Manager in Windows, select the speaker configuration tab, and choose 7.1 channel to confirm multi-channel output is active.

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