MEG MAESTRO 900R is a flagship full-tower PC case featuring a centered motherboard layout, panoramic tempered glass, a detachable and rotatable motherboard tray, and premium craftsmanship for high-end showcase builds.

MSI's flagship MEG series exemplifies relentless innovation, continuously setting new benchmarks in the gaming hardware space. This trailblazing series employs pioneering technology to push the boundaries of gaming, consistently leading with innovations that redefine what gamers expect.

Symmetry. Detail. Balance
Centered symmetry eliminates noise, bringing structural serenity. This pure order guides the gaze into micro-craftsmanship, where every diamond chamfer radiates sophistication through light and shadow. Ultimately, macro structure and micro-details merge as bottom lines taper with effortless elegance, achieving a timeless, perfect balance.

Refined to Perfection
Refined through nine rigorous processes, the aluminum panel embodies uncompromised craft. From precise CNC machining, laser engraving, and dual polishing to strict pre-treatment, all flaws are erased. Elevated by coating, high-gloss finishing, flawless bending, and printing, it pursues perfection in every detail.

Breaking Cold Rationality with 75°
The 75-degree angle represents a perfect visual correction to delight the eye. Deviating 15 degrees from verticality, it infuses elegance into a rational framework, breaking traditional hardware's coldness. This restraint maintains symmetrical security while introducing an uplifting rhythm of light and shadow.

Precision in Reflection
In diamond chamfering, mastering tolerances is a battle against physics. To guarantee absolute symmetry, geometric tolerances are strictly locked within the micron level. By precisely calibrating tool paths, chatter marks are eliminated, ensuring both chamfered lines remain perfectly straight and balanced.

Seamless Clarity
Conquering internal stress for absolute flatness is the ultimate glass challenge. To pursue uncompromised clarity, joints are compressed to physical limits. High-precision processing and alignment eliminate displacement, allowing light to pass unobstructed for a transparent, unified visual feast.

The Levitation Aesthetic
To create a floating masterpiece, the structure beneath disappears without sacrificing strength. Leveraging centered symmetry, this design allows a substantial chassis to appear effortlessly light. The resulting structure seemingly defies gravity, standing with a poised, elegant stature in any space.

A STAGE FOR EVERY SHOWPIECE
Designed around a centered motherboard layout and surrounded by triple-sided panoramic glass, MEG MAESTRO 900R offers an expansive viewing experience that turns high-end hardware into part of your living space. Whether in a studio, office, or gaming room, your system is no longer hidden beneath a desk, it becomes a statement of craftsmanship, performance, and personal style.

DESIGN WITHOUT CONSTRAINT
MEG MAESTRO 900R shaped by the belief that layout, assembly, and presentation should all work on the builder's terms, resulting in a more considered build experience.

4-WAY ROTATABLE TRAY FOR LAYOUT CUSTOMIZATION
Rotate the motherboard tray into four different orientations to prioritize showcase aesthetics, optimized airflow, or your preferred building style.

DETACHABLE TRAY FOR EFFORTLESS BUILDING
The detachable tray lets you assemble, cable, and validate your system outside the case before final installation, making every stage of the build faster, cleaner, and more accessible.

EXTREME COOLING WITH VERTICAL AIRFLOW
Pre-installed with 3 x 160 mm reverse blade fans, MEG MAESTRO 900R drives strong bottom intake and supports cleaner bottom-to-top heat dissipation. Its separated heat zones help organize airflow more efficiently, delivering the thermal flexibility required for demanding flagship systems

Front I/O Panel
Premium convenience meets premium performance. The MEG MAESTRO 900R features five USB Type-C ports, including one with up to 60W Power Delivery fast charging.

Specification

Product
Product id	1031231
Brand	MSI Micro-Star International
Partnr	MEG MAESTRO 900R
EAN/UPC code	4711377427630
Warranty (months)	24 months
Design
Form factor	Full Tower
Type	PC
Supported motherboard form factors	EATX, ATX, Micro ATX, Mini-ITX
Number of 3.5" bays	5
Number of 2.5" bays	9
Number of expansion slots	11
Side window	Y
Illumination	Y
Illumination colour	Multi
Illumination location	Bottom, Case fans
On/off button	Y
Maximum CPU cooler height	170 mm
Maximum graphics card length	440 mm
Maximum PSU length	200 mm
Power supply
Supported power supply form factors	ATX
Ports & interfaces
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	4
USB 3.2 Gen 2x2 Type-C ports quantity	1
Audio input	Y
Audio output	Y
Cooling
Number of side fans supported (max)	6
Side fans diameters supported	120 mm
Number of top fans supported (max)	4
Top fans diameters supported	120, 140, 160 mm
Number of bottom fans supported (max)	4
Bottom fans diameters supported	120, 140, 160 mm
Liquid cooling capability	Y
Top radiator fan sizes supported	120, 140, 240, 280, 360, 420 mm
Storage
Supported HDD sizes	2.5, 3.5 "
SSD form factor	2.5"
Weight & dimensions
Width	379 mm
Depth	695 mm
Height	671 mm
Weight	33000 g
Packaging data
Package weight	38000 g