Contents Specifications ........................3 Accessories ........................5 Case Features (320R/ 321R) ...................6 Case Features (120A) ......................7 Case Features (121A) ......................8 Side and Front View ......................9 I/O and Buttons (320R) ....................10 I/O and Buttons (321R) ....................11 I/O and Buttons (120A / 121A) ..................12 Side Panel Removal ......................13 Front Bezel Removal .....................14 Motherboard Installation .....................15...
Specifications Comparison of Key Differences MAG FORGE MAG FORGE 120A MAG FORGE 121A Product Name 320R/ 321R AIRFLOW AIRFLOW AIRFLOW 472.5 x 210 x 498 411.6 x 210 x 498 411.6 x 210 x 498 Dimensions (DxWxH) 120 / 140 / 240 / Top Radiator Support 120 / 240 mm 120 / 240 mm...
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Expansion Slots PCIe Slots 7 slots I/O Ports and Buttons 2 x USB 3.2 Gen1 Type-A USB Ports 1 x USB 3.2 Gen2 Type-C (321R) 1 x Audio jack (120A / 121A / 320R) Audio Ports 1 x Micphone jack (120A / 121A / 320R) 1 x Audio/Micphone Combo Jack (321R) 1 x Reset button (120A / 121A) Buttons...
I/O and Buttons (321R) Item Description USB 3.2 Gen 2 10Gbps Type-C port USB 3.2 Gen 1 5Gbps Type-A port Audio/Micphone Combo Jack LED switch button Power button...
I/O and Buttons (120A / 121A) Item Description LED switch button USB 3.2 Gen 1 5Gbps Type-A port Microphone jack Audio jack Reset button Power button...
Control Board Connection (320R) LED Switch button ARGB LED ARGB LED Motherboard ARGB connector Power supply’ s SATA connector Addressable RGB LED Strip Connection ARGB extension cable ARGB strip ARGB connector Addressable RGB LED Fan Connection ARGB connector Motherboard’ s Fan connector ARGB Fan ARGB ARGB...
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Please ensure all cables are securely connected before powering on. ● This LED Hub can support up to 10 MSI devices or 6 non-MSI devices. ● Each port can support a maximum of 64 ARGB LEDs, with a total of no more than 128 ●...
Control Board Connection (321R) Motherboard 4-pin PWM LED Switch button connector ARGB LED Motherboard ARGB connector Power supply’ s SATA connector Addressable RGB LED Strip Connection ARGB extension cable ARGB strip ARGB connector Addressable RGB LED Fan Connection ARGB connector Motherboard’...
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Please ensure all cables are securely connected before powering on. ● This LED Hub can support up to 10 MSI devices or 6 non-MSI devices. ● Each port can support a maximum of 64 ARGB LEDs, with a total of no more than 128 ●...
Control Board Connection (120A / 121A) LED Switch button Auto-RGB Fan 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 ●...
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