DeepCool
DeepCool MATREXX 30 SI Micro-ATX Mini Tower Case - Black
The DeepCool MATREXX 30 SI is a compact micro-ATX mini tower case designed for gamers building small form factor systems without sacrificing cooling or storage capacity. Its logical interior layout supports both M-ATX and Mini-ITX motherboards, with a classic steel construction and honeycomb front intake design to manage thermals in a tight footprint.
Why this product
Compact footprint fits tight spaces
At 405.8 × 193 × 378.2 mm, it delivers a small-sized chassis perfect for desk builds or cramped setups while maintaining full M-ATX compatibility.
Pre-installed cooling and radiator support
Includes a 120mm rear fan and supports 120mm radiators at front and rear, with honeycomb intake design to manage airflow in a compact layout.
Room for full-length graphics cards
Accepts graphics cards up to 250mm, covering most modern gaming GPUs without requiring cramped installation.
Multiple storage options
Provides three 3.5″ bays, two 2.5″ bays, and one 5.25″ external bay for drives and optical media.
Dedicated cable management space
14.8mm ridge on the rear panel offers cable routing clearance, and the lower PSU design keeps cables out of airflow paths.
- Form FactorMini Tower
- Motherboard SupportMicro-ATX, Mini-ITX
- Dimensions405.8 × 193 × 378.2 mm
- ColourBlack
- Max GPU Length250mm
- Max CPU Cooler Height151mm
- Weight3.62 kg
- SKUDEE-1014
- EAN6933412714125
- Fits Micro-ATX and Mini-ITX motherboards
- Supports ATX power supplies up to 170mm long
- Accepts graphics cards up to 250mm in length
- CPU coolers must not exceed 151mm in height due to case constraints
- Not compatible with E-ATX or ATX motherboards
Best for
- Gamers building compact gaming PCs
- Desk-bound setups requiring minimal footprint
- Builders wanting storage and cooling in a small case
- Minimalist builds with clean aesthetics
Trade-offs
- Full-size ATX motherboards — only supports M-ATX and Mini-ITX
- Tall CPU coolers — limited to 151mm height clearance
- Large graphics cards over 250mm — length-constrained design
- Builders needing extensive liquid cooling — limited to 120mm radiators only
Matrexx 30 SI is small-sized M-ATX computer case, perfect for gamers looking to build a small gaming PC. Its logical interior structure maximizes compatibility. The classic M-ATX structure (dimensions 420 x 201 x 365mm) is compatible with M-ATX and ITX motherboards. Small and compact but with plenty of capacity. Utilizing honeycomb front air intake design, supports 120mm radiator/fan in the front, pre-installed 120mm black fan in the rear, Matrexx 30 SI guarantees your performance and aesthetic needs. Classical steel side panel provides an elegant and minimalist visual.
- Compatible with graphics cards up to 250mm
- The ridge on the back panel provides 14.8 mm of space for cable management
- The lower power supply design allows unhindered airflow for heat dissipation
- The top panel is fitted with USB ports, headphone jack, and switch for easy access
General
| Brand | DeepCool |
|---|---|
| Materials | ABS + SPCC steel (0.5mm panel thickness) |
| Power Supply Support | ATX PS2, up to 170mm long |
Storage & Expansion
| 3.5" Drive Bays | 3 |
|---|---|
| 2.5" Drive Bays | 2 |
| 5.25" External Bays | 1 |
| Expansion Slots | 4 |
Cooling & Airflow
| Front Fan Support | 1 × 120mm |
|---|---|
| Rear Fan Support | 1 × 120mm (pre-installed) |
| Rear Radiator Support | 120mm |
| Front Intake Design | Honeycomb |
Connectivity & Cable Management
| USB Ports | 1 × USB 2.0, 1 × USB 3.0 |
|---|---|
| Audio Connectors | 1 × Audio, 1 × Mic |
| Cable Management Space | 14.8mm rear ridge |
Shipping
All our products are shipped from the United Kingdom within 24 to 48 hours of purchase. See our Shipping and Returns page for full details.
Returns
- Tech Syndicate offers a full money-back guarantee on all purchases made in our store. If you are not satisfied with your purchase, we will provide a full refund, no questions asked.
- Refunds are available within 45 days of delivery.
- After the 45-day period you are no longer eligible for a refund, so we encourage you to try the product within the first few weeks to make sure it fits your needs.