MSI product shadow MSI MEG EM9
MSI kv pd slogan xs MEG EM9

MEG EM9 is an open-air test bench engineered for users who demand unrestricted access to high-performance hardware. With support for E-ATX motherboard, back-connect design, and 420 mm radiator, the MEG EM9 makes building, benchmarking, and troubleshooting more efficient.

Supports
Up to Regular

E-ATX

Motherboard

Supports
Back-Connect

ATX & Micro-ATX

Motherboard

Supports
Length Up to

420 mm

Radiator

Supports
Up to

200 mm ATX

Power Supply

Open-Air Design
for Direct
Component Access
Open-Air Design for Direct Component Access
No Defined
GPU Length
or CPU Cooler
Height Limit
No Defined GPU Length or CPU Cooler Height Limit

MSI's flagship MEG series exemplifies relentless innovation, continuously setting new benchmarks in the gaming hardware space. This trailblazing series employs pioneering technology to push the boundaries of gaming, consistently leading with innovations that redefine what gamers expect.

About MEG Series >

MSI's premium MPG series is engineered for gamers who demand strong performance and sleek design. Each product showcases cutting-edge aesthetics and vibrant colors, reflecting MPG's commitment to exceptional design. With optimized configurations, MPG creates a visually striking and powerful gaming experience that leads the trends.

About MPG Series >

MSI's mainstream MAG series epitomizes stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.

About MAG Series >

Scenarios

BUILT FOR EVERY TEST CYCLE

From initial assembly to final validation, the open-air layout keeps every component visible and within reach. Swap hardware, adjust cables, and troubleshoot without working around enclosed panels, helping every build, benchmark, and test cycle move faster.

BUILT FOR EVERY TEST CYCLE
BUILT FOR EVERY TEST CYCLE
EZ DIY

EZ DIY

  • rwdimg I/O Module​
  • rwdimg PSU Tray​
  • rwdimg Radiator Brackets
  • rwdimg 8 PCIe Slots

The included I/O module keeps essential system controls and connections within easy reach, making repeated test cycles faster and more convenient.

INCLUDED I/O MODULE
INCLUDED I/O MODULE light

The removable power supply tray simplifies PSU installation and replacement, helping streamline hardware changes between tests.

REMOVABLE POWER SUPPLY TRAY REMOVABLE POWER SUPPLY TRAY arrow

pull

REMOVABLE POWER SUPPLY TRAY circle

Adjustable radiator brackets support radiators up to 420 mm, providing the flexibility to adapt the cooling layout to different test configurations.

ADJUSTABLE RADIATOR BRACKETS
MSI ADJUSTABLE RADIATOR BRACKETS light

Eight expansion slots accommodate multi-slot graphics cards and additional PCIe devices for flexible testing and workstation configurations.

EIGHT EXPANSION SLOTS
EIGHT EXPANSION SLOTS panel

8

EXPANSION SLOTS

Cooling

ELEVATED FOR BETTER AIRFLOW

Four feet elevate the main platform 20 mm above the surface, creating sufficient clearance underneath for unobstructed air intake.

arrow-left arrow-right
ELEVATED FOR BETTER AIRFLOW - left ELEVATED FOR BETTER AIRFLOW - right
ELEVATED FOR BETTER AIRFLOW - number
ELEVATED FOR BETTER AIRFLOW
Compatibility

HARDWARE COMPATIBILITY

  • rwdimg Motherboard / GPU
  • rwdimg Radiator / Fan
  • rwdimg Power Supply
  • rwdimg Storage

Supports motherboards from Mini-ITX to E-ATX (up to 280 × 305 mm), plus ATX and Micro-ATX back-connect designs for cleaner cable routing.

GPU

MOTHERBOARD FORM FACTOR:

Regular: E-ATX (Up to 280 x 305 mm) / ATX / Micro-ATX / Mini-ITX
Back Connect: ATX / Micro-ATX

GPU LENGTH:

No defined limit

CPU COOLER HEIGHT:

No defined limit

The adjustable radiator brackets support radiator up to 420 mm, along with one 120 mm or 140 mm fan for additional cooling.

FAN

FAN

RADIATOR

RADIATOR

The removable PSU tray supports ATX power supplies up to 200 mm long, making installation and replacement easier.

Power Supply

POWER SUPPLY:

ATX, Up to 200 mm in length

Supports up to two 2.5-inch SSDs, providing dedicated storage for operating systems, applications, and test data.

DRIVE MOUNT SUPPORTS

DRIVE MOUNT SUPPORTS:

2 x 2.5”SSD

I/0

I/O WITHIN EASY REACH

The included I/O module places essential system controls and connectivity within easy reach, making system startup, reset, and peripheral changes more convenient during testing.

I/O WITHIN EASY REACH
  • Power Button
  • Reset Button

FAQs

The MSI MEG EM9 is an open-air PC test bench designed for efficient system building, benchmarking, component validation, and troubleshooting. Its accessible layout makes frequent hardware installation, adjustment, and replacement easier.

Yes. The MEG EM9 supports E-ATX motherboards up to 280 × 305 mm, providing the space required for larger system configurations.

Yes. The MEG EM9 supports ATX and Micro-ATX back-connect motherboards, allowing major connectors and cables to be routed behind the motherboard for a cleaner, less obstructed setup.

Yes. The MEG EM9 supports radiator up to 420 mm, making it suitable for building and testing high-performance liquid-cooling configurations.

Yes. Its open-air architecture keeps key components within reach, simplifying system assembly, benchmark preparation, cable adjustments, hardware replacement, and troubleshooting.

The MEG EM9 provides two dedicated mounting positions for 2.5-inch SSDs, keeping essential storage securely installed and easily accessible during testing.

MEG EM9

MSI MEG EM9 Test Bench, Open Frame, Up to E-ATX Regular Motherboard Support, ATX & Micro-ATX Back-connect Motherboard Support, 420 mm radiator, Hardware Testing, PC Benchmarking, Component Validation
  • OPEN-AIR TEST BENCH: Direct component access for efficient building, testing, and troubleshooting.
  • EXTENSIVE MOTHERBOARD COMPATIBILITY: Supports motherboard form factors from Mini-ITX to E-ATX, including ATX and Micro-ATX back-connect designs.
  • UP TO 420 MM RADIATOR SUPPORT: Accommodates radiator up to 420 mm for liquid-cooling setup.
  • DUAL SSD SUPPORT: Provides dedicated mounting positions for two 2.5-inch SSDs.
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