MSI Mag Forge 321R Airflow ARGB ATX Mid Tower Case
MPN MAG-FORGE-321R-AIRFLOW · Brand MSI · ATX, mATX, Mini-ITX
The MSI MAG Forge 321R Airflow is an ATX mid tower case with 4 pre-installed ARGB fans, a tempered glass side panel, up to 360 mm AIO liquid cooler support, and a 390 mm GPU clearance
Inclusive of GST · GST invoice available
Overview
The MSI MAG Forge 321R Airflow is an ATX mid tower case engineered for builders who want strong thermal performance alongside vivid RGB aesthetics. Its mesh-forward design pairs a tempered glass side panel with a layout that prioritises airflow from front to rear, keeping components cool under sustained workloads. Four ARGB fans come pre-installed — three 120 mm units at the front intake and one 120 mm unit at the rear exhaust — and the integrated ARGB control board lets you cycle through nine lighting effects using the dedicated LED Switch button on the front I/O panel. The entire fan array can be expanded up to 11 fans total, with positions at the front (up to 3 × 120 mm or 2 × 140 mm), top (up to 3 × 120 mm or 2 × 140 mm), rear (1 × 120 mm), side panels (2 × 120 mm), and PSU shroud (2 × 120 mm). For liquid cooling, the top panel supports radiators up to 360 mm, making it compatible with high-performance all-in-one coolers. The front panel accommodates radiators up to 240 mm, and the rear accepts a 120 mm unit. A magnetic dust filter over the top vents removes without tools for straightforward cleaning. GPU clearance of up to 390 mm (15.35 in) in length and 150 mm (5.91 in) in height accommodates large modern graphics cards. CPU coolers up to 160 mm (6.29 in) in height are supported. Seven expansion slots give ample room for multi-card or high-profile PCIe accessory configurations. Storage options include one dedicated 2.5-inch SSD bay and two combination 2.5-inch/3.5-inch drive mounts. The PSU bay accepts ATX power supplies up to 200 mm in length (without the HDD tray installed). Front connectivity includes one USB 3.2 Gen 2×2 Type-C port running at 20 Gbps, two USB 3.2 Gen 1 Type-A ports running at 5 Gbps each, and a combined mic-in/audio-out jack — a well-appointed I/O panel for a case in this segment. Key Specifications: • Form Factor: Mid Tower — ATX / Micro-ATX / Mini-ITX motherboard support • Dimensions (D × W × H): 472.5 × 210 × 498 mm (18.60 × 8.26 × 19.60 in) • Net Weight: 7.05 kg (15.54 lb) • Pre-installed Fans: 4 × 120 mm ARGB (3 front, 1 rear) • Max Fan Support: 11 • Max GPU Length: 390 mm | Max GPU Height: 150 mm • Max CPU Cooler Height: 160 mm • Max Radiator: 360 mm (top) / 240 mm (front) / 120 mm (rear) • Drive Bays: 1 × 2.5-inch + 2 × 2.5-inch/3.5-inch combo • Expansion Slots: 7 • Front I/O: 1 × USB 3.2 Gen 2×2 Type-C (20 Gbps), 2 × USB 3.2 Gen 1 Type-A (5 Gbps), audio combo jack, LED Switch • PSU Support: ATX, up to 200 mm • Side Panel: Tempered glass • Dust Filter: Magnetic, top • Colour: Black • Warranty: 1 Year
Datasheet
| Warranty | 1 Year |
|---|---|
| Form Factor | ATX, mATX, Mini-ITX |
| color | Black |
| Model | MAG FORGE 321R AIRFLOW |
| Note*** | Features, Price and Specifications are subject to change without notice. Images use for Representation Purpose Only |
| Material | Tempered Glass |
| Warrenty | 1 Year |
| I/O Ports | 1 x USB 3.2 Gen 2×2 Type-C 2 x USB 3.2 Gen 1 Type-A 1 x Mic-in / Audio-out 1 x LED Switch |
| Connection | Power Button LED Switch Button Audio Out / Mic In 2 x USB 3.2 Gen 1 Type-A 1 x USB 3.2 Gen 2×2 TypeC |
| Net Weight | 7.05 kg / 15.54lbs |
| Cabinet Size | MID-TOWER |
| Dust Filters | Top |
| Gross Weight | 8.35 kg / 18.41lbs |
| Max 2.5" SSD | 2 |
| Max 3.5" HDD | 1 |
| Max GPU Length | 390mm |
| Max Psu Length | 200mm |
| Expansion Slots | 7 |
| Front I/O Panel | USB 3.2 Gen 2×2 Type-C, USB 3.2 Gen 1 Type-A, Mic-in / Audio-out, LED Switch |
| Max Fan Support | 11 |
| Case Form Factor | Mid Tower |
| Fan Size Support | Front: 3 x 120 mm / 2 x 140 mm Top: 3 x 120 mm / 2 x 140 mm Rear: 1 x 120 mm Side: 2 x 120 mm PSU Shroud: 2 x 120 mm |
| Radiator Support | 360mm,280mm,240mm,140mm,120mm |
| Dimensions (Dxwxh) | 472.5 x 210 x 498 mm / 18.60 x 8.26 x 19.60 inches |
| Maximum GPU Height | 150 mm / 5.91 inches |
| Maximum GPU Length | 390 mm / 15.35 inches |
| Maximum Psu Length | 200 mm / 7.87 inches (without 2.5"/3.5" HDD tray installation) |
| Pre Installed Fans | 4 |
| Drive Mount Support | 1 x 2.5" 2 x 2.5" / 3.5" |
| Power Supply Support | ATX |
| Max CPU Cooler Height | 160mm |
| Radiator Size Support | Front: 120 / 140 / 240 mm Top: 120 / 240 / 280 / 360 mm Rear: 120 mm |
| Pre-Installed Fan Size | Front: 3 x 120 mm Rear: 1 x 120 mm |
| Pre-Installed Fan Type | Front: 3 x ARGB Fan Rear: 1 x ARGB Fan |
| Maximum CPU Cooler Height | 160 mm / 6.29 inches |
| Motherboard Form Factor Support | ATX / Micro-ATX / Mini-ITX |
Complete your build




