Gigabyte GA-B150N-GSM Mini-ITX Motherboard Review

Gigabyte GA-B150N-GSM - Product

We have looked at a large number of workstation class motherboards over the years and we think we have found the smallest form factor motherboard that has all the features you need for a mini-workstation. Enter the Gigabyte GA-B150N-GSM Mini-ITX motherboard.

Gigabyte GA-B150N-GSM - Display
Gigabyte GA-B150N-GSM – Display

The GA-B150N-GSM includes support for GPU’s, M.2 SSD’s, onboard Audio and overclocking abilities that make this motherboard ideal for small workstations that can pack a heavy punch in processing power. The GSM designation means that this motherboard is intended for long-life in environments like corporate desktops.

Gigabyte GA-B150N-GSM Key Features

  • Supports 6th Generation Intel Core Processor
  • Intel B150 Express Chipset
  • Dual Channel DDR4, 2 DIMMs
  • PCIe Gen3 x4 M.2 Connector with up to 32Gb/s Data Transfer (PCIe NVMe & SATA SSD support)
  • 8-channel HD Audio with High Quality Audio Capacitors
  • Dual Intel GbE LAN with cFosSpeed Internet Accelerator Software
  • On board Mini-PCIe slot for WiFi modules
  • APP Center Including EasyTune and Cloud Station Utilities
  • 4 COM ports on board
  • Mini-ITX Form Factor; 6.69″ x 6.69″ (17.0cm x 17.0cm)

Gigabyte GA-B150N-GSM motherboard overview

The GA-B150N-GSM has a rather plain looking retail box compared to Gigabytes gaming motherboards, then again this is a more industrial type motherboard so no real need for fancy graphics on the box.

Gigabyte GA-B150N-GSM - Box Front
Gigabyte GA-B150N-GSM – Box Front
Gigabyte GA-B150N-GSM - Box Back
Gigabyte GA-B150N-GSM – Box Back

The GA-B150N-GSM is a flexible motherboard with memory as it supports ECC DDR4 UDIMMs (in non-ECC mode.)

Gigabyte GA-B150N-GSM - Accessories
Gigabyte GA-B150N-GSM – Accessories

The accessory kit is small and only includes the necessary items for installation. There is 1x M.2 Socket 1 connector for the wireless communication module which is optional. No M.2 wireless device is included in the kit.

Included Accessories

  • GA-B150N-GSM motherboard
  • Motherboard driver disk
  • Two SATA cables
  • User’s Manual
  • I/O Shield

Taking the motherboard out of its packaging we get first look at GA-B150N-GSM.

Gigabyte GA-B150N-GSM - Top
Gigabyte GA-B150N-GSM – Top

The GA-B150N-GSM is small and packs a lot of features in this tiny space. The 1x PCI Express x16 slot on the left side does support graphics cards and we used a Quadro K5200 in our tests with no issues. The Quadro is huge compared the GA-B150N-GSM and over hangs the front of the motherboard by a substantial amount.

There is support for m.2 storage devices and as you can see there is little room for this on the top of the motherboard for such a device.

Lets flip the board over to see where this is located at.

Gigabyte GA-B150N-GSM - Back
Gigabyte GA-B150N-GSM – Back

Now we can see the M.2 connector on the back of the motherboard (Socket 3, M key, type 2260/2280 SATA and PCIe x4/x2/x1 SSD support). As we see new platforms pack more features, space has become tight on the mITX form factor and we have seen more bottom mounted components.

Having the M.2 SSD on the back side of the motherboard might add extra heat to the motherboard itself so we suggest air flow from case fans be directed to flow under the board if you use an M.2 SSD.

Gigabyte GA-B150N-GSM - Storage Ports
Gigabyte GA-B150N-GSM – Storage Ports

Now we are looking at the front storage ports which are 6x SATA 6Gb/s connectors (SATA3 0~5). SATA Ports 4, 5 are located just behind the memory slots next to the chip set heat sink.

Gigabyte GA-B150N-GSM - WIFI Bracket
Gigabyte GA-B150N-GSM – WIFI Bracket

The M.2 Socket 1 connector for the wireless communication module which is optional is located at the back of the motherboard and includes mounting brackets.

Gigabyte GA-B150N-GSM - Back IO Ports
Gigabyte GA-B150N-GSM – Back IO Ports

Looking at the back of the GA-B150N-GSM we find:

  • 2x USB 2.0/1.1 ports
  • 1x PS/2 keyboard/mouse port
  • 2x Wi-Fi antenna connector holes
  • 2x HDMI ports
  • 4x USB 3.0/2.0 ports
  • 2x RJ-45 ports
  • 6x audio jacks

Let’s move on to the BIOS and benchmarks now.


The Gigabytes UEFI BIOS is clean and easy to use.

Gigabyte GA-B150N-GSM - BIOS
Gigabyte GA-B150N-GSM – BIOS

The main M.I.T. menu serves as the home screen, from here you can enter advanced features such as overlocking. In most configurations, we expect users to aim for stability rather than overclocking, but the support is there. It is certainly an interesting way to give users a few percent speed bump two years down the line.

Driver DVD

Xpress Install is certainly the fastest way to install all the drivers needed, or you can install each driver separately and only install what you need.

Gigabyte GA-B150N-GSM - Driver DVD
Gigabyte GA-B150N-GSM – Driver DVD

Our test setup

For testing we used:

  • CPU: Intel Core i7-6700K Skylake-S with 4 cores/8 threads
  • Motherboard: Gigabyte GA-B150N-GSM
  • Memory: Crucial 2x 8GB DDR4 (16GB Total)
  • Cooling: Stock Intel Heat Sink
  • Storage: Micron P400e 200GB SSD
  • GPU: Nvidia K5200
  • OS: Windows 10 and Ubuntu 14.04.4 LTS.

We ran our tests with Default BIOS settings.

AIDA64 Memory Test

AIDA64 memory bandwidth benchmarks (Memory Read, Memory Write, and Memory Copy) measure the maximum achievable memory data transfer bandwidth.

Gigabyte GA-B150N-GSM - AIDA64 Memory
Gigabyte GA-B150N-GSM – AIDA64 Memory

Memory Latency ranged at about 63.4ns. Performance wise the GA-B150N-GSM ran slightly slower than our other motherboards tested. The Gigabyte GA-B150N-GSM is more focused on providing a low power stable platform than the maximum memory performance.

Linux-Bench Test

We ran the motherboard through our standard Linux-Bench suite using Ubuntu as our Linux distribution. Linux-Bench is our standard Linux benchmarking suite. It is highly scripted and very simple to run. It is available to anyone to compare them with their systems and reviews from other sites. See Linux-Bench.

Gigabyte GA-B150N-GSM - Linux Bench
Gigabyte GA-B150N-GSM – Linux Bench

The full test results for our Linux-Bench run can be found here. Gigabyte B150N-GSM Linux-Bench Results


SPECwpc_v1.0.2 is a workstation benchmark that measures key aspects of workstation applications.

Gigabyte GA-B150N-GSM - SPECwpc
Gigabyte GA-B150N-GSM – SPECwpc

For a mini-ITX motherboard we found that it has impressive numbers in this test. It’s not the fastest motherboard in our lineup but it fits into a case that is much smaller than any of the others would.


SPEC CPU2006v1.2 measures compute intensive performance across the system using realistic benchmarks to rate real performance.

In our testing with SPEC CPU2006 we use the basic commands to run these tests.

” Runspec –tune=base –config=servethehome.cfg ,” then ” int ,” or ” fp .”

To do multi-threaded, we add in ” –rate=8.”

Gigabyte GA-B150N-GSM - CPU2006
Gigabyte GA-B150N-GSM – CPU2006

Our CPU2006 test results show results that compare well to our other motherboards we have tested. The GA-B150N-GSM does not hold back in performance in this test.

Power Tests

For our power testing needs we use a Yokogawa WT310 power meter which can feed its data through a USB cable to another machine where we can capture the test results. We then use AIDA64 Stress test to load the system and measure max power loads.

Gigabyte GA-B150N-GSM - Boot Power Test
Gigabyte GA-B150N-GSM – Boot Power Test

We ran our power tests with default settings. Peak boot up power load falls in about 110watts at boot up, then settles down to about 45watts lower at idle. Overall the GA-B150N-GSM runs about 10watts lower in power draw than our past motherboard reviews show. Having a simple design pays dividends at idle.

Fully Loaded Stress Tests Power Use

Gigabyte GA-B150N-GSM - Power Test
Gigabyte GA-B150N-GSM – Power Test

For our tests we use AIDA64 Stress test which allows us to stress all aspects of the system. At default BIOS settings we run just above 132 watts for a max load.


The Gigabyte GA-B150N-GSM motherboard is an amazing board for its size. Many boards this size we have looked at before are not really classed as workstation boards so they do not have the needed features for this role.

Gigabyte GA-B150N-GSM - Image
Gigabyte GA-B150N-GSM – Image

Now we have a full featured motherboard that can run GPU’s or even a Tesla cards and use the onboard video for display. Performance wise it is slightly lower than the bigger boards but it does use less power and still shows nice benchmark numbers.

The next attractive point to this board is its price which falls into just above $100 depending on where you purchase it, this is about 1/3 cheaper or more than its bigger brothers.

Depending on how you want to outfit this system it can be installed in a very small case and be virtually noise free and cool running. Adding in a full size GPU and tower heat sink will increase the size of the case but you get the added performance of these extra components.

We would like to see a M.2 bluetooth/ WiFi card added in but many might not need it and that would only add to the cost of the motherboard.


  1. Great review William. I have a question, “The GA-B150N-GSM is a flexible motherboard with memory as it supports ECC DDR4 UDIMMs (in non-ECC mode.)”
    Does this mean I can put ECC memory in the system but it will not do me any good?
    Just looking for clarification. Because ECC memory is something I would normally want on a board like this because I would use it for small servers.
    Thanks, very good review.


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