MSI

MSI CSM-H87M-G43 Micro ATX DDR3 LGA 1150 Motherboard

3.3 (3 reviews)
DisplayPort

A Micro ATX motherboard with Intel H87 chipset and Corporate Stable Model support for reliable LGA 1150 builds.

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Overview

The MSI CSM-H87M-G43 is a Micro ATX motherboard built around Intel's H87 chipset for LGA 1150 processors, targeting users who need a reliable foundation for 4th-generation Intel Core systems. The board supports DDR3 1600 memory and includes SATA 6Gb/s ports for fast storage connectivity alongside USB 3.0 for modern peripheral support. With two PCI-E x16 slots (running at x16 and x4) and two PCI-E x1 slots, there is enough expansion room for a dedicated graphics card and a couple of add-in cards — reasonable for the compact Micro ATX form factor.

The Corporate Stable Model designation is a key differentiator for this board. MSI's CSM program guarantees that the board's components and design will remain unchanged over an extended production window, which is a significant advantage for businesses, system integrators, and IT departments that need to order identical replacement boards or build consistent systems over months or years. While the H87 chipset lacks the overclocking support of its Z87 sibling, it compensates with lower cost and proven stability — qualities that matter more than raw clock speed in workstation and office environments where uptime and predictability are the priority.

Key Features

Socket LGA1150

Intel H87 chipset

Micro ATX

2 PCI-E x16 (16/4) and 2 PCI-E x1

1 DisplayPort, 1 HDMI, 1 DVI and 1 VGA

Military Class 4 Components

Military Class Essentials

Fast Boot

Specifications

Brand
MSI
Model
CSM-H87M-G43
Socket
LGA 1150
Chipset
Intel H87
Form Factor
Micro ATX
Memory Type
DDR3 1600
SATA
6Gb/s
USB
3.0
PCI-E x16 Slots
2 (x16 / x4)
PCI-E x1 Slots
2

Pros & Cons

👍 Pros

  • Corporate Stable Model designation ensures long-term component consistency for multi-unit or replacement builds.
  • SATA 6Gb/s and USB 3.0 provide modern storage and peripheral connectivity for the platform generation.
  • Micro ATX form factor fits in compact cases while still offering two PCI-E x16 and two PCI-E x1 expansion slots.
  • Intel H87 chipset delivers a stable, well-supported platform with broad 4th-gen Core processor compatibility.

👎 Cons

  • LGA 1150 is an older socket with no upgrade path to current-generation processors.
  • DDR3 memory support means you cannot reuse this RAM if upgrading to a newer DDR4 or DDR5 platform later.
  • H87 chipset does not support CPU overclocking, limiting performance tuning compared to Z87 boards.
  • Only two PCI-E x1 slots may be restrictive if you need multiple add-in cards like sound, network, or capture cards.

Frequently Asked Questions

The MSI CSM-H87M-G43 supports Intel 4th generation (Haswell) and select 4th-gen refresh processors that use the LGA 1150 socket, including Core i3, i5, i7, Pentium, and Celeron chips in that socket family.
CSM is MSI's program guaranteeing that this specific motherboard model will remain available and unchanged in its component design for an extended period. This is valuable for businesses and system integrators who need to deploy identical systems over time without compatibility surprises.
As a Micro ATX board with the H87 chipset, it supports DDR3 1600 memory. The H87 chipset typically supports up to 32GB across its DIMM slots, though you should consult MSI's specifications page for this model's exact slot count and capacity limit.
Yes, it includes two PCI-E x16 slots running at x16 and x4 speeds respectively, so you can install a dedicated graphics card. The primary slot provides full x16 bandwidth for a GPU.
The H87 chipset supports UEFI with CSM (Compatibility Support Module) for legacy boot, giving you the flexibility to install both newer UEFI-based and older legacy operating systems.