MSI Midi MAG Forge 320R Airflow PC Kabinet (Micro-ATX/Mini-ITX), MAG FORGE 120A AIRFLOW Midi PC Kabinet (ATX/Micro-ATX/Mini-ITX) Sort Manual [EN]

MAG Series

PC Case

MAG FORGE 320R AIRFLOW
MAG FORGE 120A AIRFLOW

User Guide

Contents

Specifications .....................................................................................................3

Accessories ........................................................................................................5

Case Features (320R) ........................................................................................6

Case Features (120A) .........................................................................................7

Side and Front View ...........................................................................................8

I/O and Buttons (320R) .......................................................................................9

I/O and Buttons (120A) .....................................................................................10

Side Panel Removal .........................................................................................11

Front Bezel Removal .......................................................................................12

Motherboard Installation .................................................................................13

Graphics Card Installation ...............................................................................14

SSD & HDD Installation (320R) ........................................................................15

SSD & HDD Installation (120A) ........................................................................16

PSU Installation ...............................................................................................17

Top Panel I/O Connection ................................................................................18

Control Board Connection (320R) ....................................................................19

Control Board Connection (120A) ....................................................................21

General Information ........................................................................................22

2

Specifications

Comparison of Key Differences

Product Name

Dimensions (DxWxH) 472.5 x 210 x 498 mm 411.6 x 210 x 498 mm

Top Radiator Support

Pre-installed Fan

Side Fans Support 2 x 120mm No

Maximum GPU Length

Drive Bays

LED Controller

MAG FORGE 320R
AIRFLOW

120 / 140 / 240 / 280 / 360
mm

Top: No
Front: 3 x 120mm ARGB

fans
Rear: 1 x 120mm ARGB

fan

390mm
(Pre-installed front fan)

1 x 2.5” SSD
2 x Combo 3.5”/2.5”

LED controller with
Mystic Light Sync

MAG FORGE 120A
AIRFLOW

120 / 240 mm

Top: 2 x 120mm Auto­RGB fans

Front: 3 x 120mm Auto­RGB fans

Rear: 1 x 120mm Auto­RGB fan

330mm
(Pre-installed front fan)

3 x 2.5” SSD
2 x 3.5” HDD

LED controller
(Standalone)

Basic Information

Case Type Mid Tower

Supported Motherboard Sizes ATX, Micro-ATX, Mini-ITX

Cooling Fan Support

Top 3 x 120mm or 2 x 140mm

Front 3 x 120mm or 2 x 140mm

Rear 1 x 120mm

PSU Shroud 2 x 120mm

3

Expansion Slots

PCIe Slots 7 slots

I/O Ports and Buttons

USB Ports 2 x USB 3.2 Gen1 Type-A

Audio Ports

Buttons

1 x Audio jack
1 x Micphone jack

1 x Reset button (120A / 320L)
1 x Power button
1 x LED switch button (120A / 320R)

Chassis Clearances

Maximum CPU Cooler Height 160mm

Front Radiator Support 120 / 140 / 240 mm

PSU Support

160mm (with 3.5’’ HDD tray)
200mm (without 3.5” HDD tray)

Materials

Metal Specification SPCC 0.5

Front Bezel Material Mesh + Plastic

Left Side Panel 4mm tempered glass

Top: Magnetic filter

Dust Filter

Side: Magnetic filter
Bottom: Plastic filter

4

Accessories

Item Name / Q’ty Used for

Cable ties

x5

Screw #6-32 10mm

x2

Stand-off #6-32 6.5mm

x4

Screw M3 5mm

x20

Screw #6-32 6mm

x6

Screw #6-32 5mm

x4

Cable management

Securing drive tray

Motherboard Stud

Motherboard / SSD

Securing PSU / PCIe

Card

3.5” HDD

PCIe slot cover

x2

1 to 4 fan splitter cable

x1

(For 320R only)

5

PCIe slot protection

Connecting 4 fans

Case Features (320R)

6

Case Features (120A)

7

Side and Front View

320R

120A

472.5mm

411.6mm

210mm

498mm

210mm

498mm

8

I/O and Buttons (320R)

11

11

22

33

44

55

Item Description

1 USB 3.2 Gen 1 5Gbps Type-A port

2 Microphone jack

3 Audio jack

4 LED switch button

5 Power button

9

I/O and Buttons (120A)

11 22 22

Item Description

1 LED switch button

2 USB 3.2 Gen 1 5Gbps Type-A port

3 Microphone jack

4 Audio jack

5 Reset button

6 Power button

44

33

66

55

10

Side Panel Removal

2

1

11

Front Bezel Removal

12

Motherboard Installation

13

Graphics Card Installation

1

3

2

14

SSD & HDD Installation (320R)

15

SSD & HDD Installation (120A)

SSD

SSD

16

PSU Installation

17

Top Panel I/O Connection

JUSB

(USB 3.2 Gen1)

HD AUDIO

JAUD1

18

F_PANEL

JFP1

Control Board Connection (320R)

LED Switch button

ARGB LED

Addressable RGB LED Strip Connection

+5V

D

ARGB extension cable

ARGB connector

Addressable RGB LED Fan Connection

ARGB connector

ARGB LED

Motherboard ARGB
connector

Power supply’s
SATA connector

ARGB strip

1

Motherboard’s Fan connector

ARGB ARGB RGB

ARGB Fan

19

IMPORTANT

⚠

∙

Please always turn off the power supply and unplug the power cord from the power
outlet before installing or removing the ARGB LED Strip.

∙

Supports a maximum of 128 LEDs. Exceeding this limit may result in overheating,
abnormal colors, or malfunctions.

∙

Please ensure all cables are securely connected before powering on.

LED Switch Button Function (320R)

∙ Single press to toggle between LED effects.
∙ Long press for three seconds to sync with the motherboard.

LED Effect Sequence (320R)

After pressing the LED Switch button, the LED effect sequence is as follows:

1 Solid red

2 Solid green

3 Solid blue

4 Solid purple

5 Solid cyan

6 Solid yellow

7 Solid white

8 Rainbow color cycling

9 Color running effect

10 Gradient color transition effect

11 Rainbow color breathing

12 Color breathing

13 Rainbow flashing

14 Color flashing

20

Control Board Connection (120A)

LED Switch button

Auto-RGB Fan

Power supply’s
SATA connector

5V G 12V

IMPORTANT

⚠

∙

The control board’s fan header is a special specification and is not compatible with
standard ARGB and RGB fans.

∙

Please always turn off the power supply and unplug the power cord from the power
outlet before installing or removing the Auto-RGB fan.

∙

Please ensure all cables are securely connected before powering on.

Auto-RGB Fan

LED Switch Button Function (120A)

∙ Single press for RGB rainbow effect.
∙ Press again to turn off LED lighting.

21

General Information

Copyright and Trademarks Notice

Copyright © Micro-Star Int’l Co., Ltd. All rights reserved.
The MSI logo used is a registered trademark of Micro-Star Int’l Co., Ltd. All other

marks and names mentioned may be trademarks of their respective owners. No
warranty as to accuracy or completeness is expressed or implied. MSI reserves the
right to make changes to this document without prior notice.

All text, images, illustrations, and other content in this manual are the property of
MSI. No part of this manual may be reproduced, distributed, or used in any form
without the written permission of MSI.

Revision History

∙ Version 1.0, 2023/08, First release.

22