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Dark green micro-ATX board with black sockets, silver heatsinks and rear I/O shield

MSI

MSI H81M-E33 Intel H81 LGA 1150 DDR3 Micro ATX motherboard

SKU CH-NG1N-6NX1K

Micro ATX LGA 1150 board with dual-channel DDR3 up to 16 GB, PCI-E 2.0 slots, SATA 6 Gb/s, USB 3.0, HDMI and VGA outputs, and Realtek Gigabit LAN

  • CPU TypeIntel Core 13th Gen (LGA 1700)
  • Supports dual-channel DDR3 up to 1600 MHz for responsive multitasking
  • Two SATA III ports deliver 6 Gb/s storage throughput
  • Realtek ALC887 8-channel audio provides clear sound output
  • Gigabit RTL8111G LAN ensures fast wired networking
  • Micro ATX form factor at 22.6 × 17.3 cm fits compact builds

Intel H81 micro-ATX platform

The MSI H81M-E33 is a Micro ATX motherboard built around the Intel H81 chipset for LGA 1150 processors. It targets builders assembling a compact desktop with Core i7, i5, i3, Pentium, Celeron or Xeon CPUs. The board measures 22.6 × 17.3 cm and ships with a metal I/O baffle but without a CMOS battery.

16 GB dual-channel DDR3 ceiling

Two DDR3 DIMM slots support up to 16 GB of memory at 1600, 1333 or 1066 MHz in dual-channel mode. That capacity covers typical office, home and light content workloads; heavier multitasking or virtualisation will hit the limit. Storage expansion uses two SATA III and two SATA II ports, while a single PCI-E 2.0 x16 slot and one x1 slot handle graphics and add-in cards.

Realtek audio, gigabit LAN and legacy I/O

Onboard audio relies on the Realtek ALC887 8-channel codec and networking on the Realtek RTL8111G gigabit controller. Rear I/O provides two USB 3.0 ports, four USB 2.0 ports, VGA, HDMI, PS/2 keyboard and mouse ports plus RJ-45 and audio jacks. Four additional USB 2.0 headers sit on the board. Power comes via a 24-pin and a 4-pin connector.

Highlights

  • Supports dual-channel DDR3 up to 1600 MHz for responsive multitasking
  • Two SATA III ports deliver 6 Gb/s storage throughput
  • Realtek ALC887 8-channel audio provides clear sound output
  • Gigabit RTL8111G LAN ensures fast wired networking
  • Micro ATX form factor at 22.6 × 17.3 cm fits compact builds

Specifications

CPU TypeIntel Core 13th Gen (LGA 1700)

Questions about this item

Will this H81M-E33 board fit into the same Micro ATX case and 24-pin/4-pin power supply I already use?

Yes, it uses the standard Micro ATX 22.6 × 17.3 cm layout with one 24-pin and one 4-pin power connector, so it drops into existing cases and PSUs.

How can I confirm the Realtek ALC887 audio and RTL8111G Gigabit LAN are active after I build the system?

Open Device Manager in Windows; you should see Realtek High Definition Audio and Realtek PCIe GBE Family Controller without error icons.

The box lists only the motherboard and a metal baffle — what essential parts are missing that I must buy separately?

No CMOS battery, no SATA cables, no I/O shield screws and no manual are included; you will need to source those yourself.

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