FSP has introduced the M581, a premium mid-tower chassis that combines panoramic aesthetics with intelligent cooling technologies for modern gaming and enthusiast PC builds. Featuring a seamless curved tempered glass design, dual-chamber interior, and support for flagship hardware, the M581 is engineered to deliver both visual appeal and high-performance airflow.
A standout feature of the new chassis is the included FSP ZENFAN rear cooling fan, which integrates a real-time digital display that monitors fan speed and internal chassis temperature. Combined with FSP's intelligent thermal lighting system and adjustable airflow architecture, the M581 offers builders a smarter way to monitor and optimise system cooling without relying solely on software.
Key Features
• Seamless 270° panoramic curved tempered glass design
• Included 120mm ZENFAN PWM ARGB rear fan with integrated temperature and fan speed display
• Intelligent dual-mode thermal lighting system with real-time temperature indication
• Three pre-installed 120mm reverse PWM ARGB intake fans with PWM controller
• Adjustable fan bracket with up to 20° airflow angle adjustment
• Dual-chamber internal layout for improved cable management and airflow
• Supports radiators up to 360mm
• Supports graphics cards up to 445mm, including RTX 5090-class GPUs
• Supports CPU coolers up to 160mm tall
• Vertical GPU mounting support
• Storage support for two 2.5-inch SSDs and one 3.5-inch HDD
• Available in black and white colour options
Seamless Panoramic Curved Glass Design
The FSP M581 features a single-piece curved tempered glass panel that wraps around the front and side, delivering a seamless 270° panoramic view. The pillarless design provides an unobstructed showcase for premium hardware and RGB lighting.
ZENFAN Brings Real-Time System Monitoring
The included FSP ZENFAN PWM ARGB 120mm cooling fan at the rear as exhaust features an integrated digital display that shows real-time chassis temperature and fan speed, providing instant system monitoring without software.
Smart Thermal Lighting System
Built-in thermal sensors automatically change the chassis lighting from blue to red as temperatures rise, turning solid red above 50°C. Users can also switch to motherboard ARGB synchronisation with a simple long press.
Customisable Cooling Architecture
A 20° adjustable fan bracket lets users direct airflow where it's needed most. Three pre-installed 120mm reverse PWM ARGB fans and a PWM controller provide strong cooling performance and vibrant lighting effects.
Built for Flagship Hardware
The dual-chamber chassis supports graphics cards up to 445mm, CPU coolers up to 160mm, and radiators up to 360mm. It also supports vertical GPU mounting for showcase builds.
Practical Storage and Clean Interior
A dedicated rear storage tray supports two 2.5-inch SSDs and one 3.5-inch HDD, keeping drives hidden for improved cable management and a cleaner interior.
The FSP M581 is available in both Sleek Black and Minimalist White finishes, allowing builders to match a wide range of gaming and creator setups. FSP is yet to announce pricing and availability as of this writing. To learn more, visit the product page link below.
FSP M581.
