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Description
Cooler Master MasterBox 520 Mesh Case, Black, Mid Tower, 1 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 2 Type-C, Tempered Glass Side Window Panel, FineMesh Performance Front Panel, 3 x CF120 Addressable RGB Fans Included with ARGB & Fan HubMASTERBOX 520 MESH REACHING NEW BRIGHTS MasterBox 520 Mesh is the ideal chassis for satisfying the needs of both novice and experienced gamers. FineMesh Performance Front Panel Three CF120 ARGB Fans Included ARGB Controller Included Removable Top Panel Screwless & Tool Free TG Side Panel Removable HDD cage FINEMESH PERFORMANCE FRONT PANEL Large mesh intakes offer unrestricted airflow and stellar thermals for demanding systems. AVAILABLE IN BOTH BLACK
MASTERBOX 520 MESHREACHING NEW BRIGHTS
MasterBox 520 Mesh is the ideal chassis for satisfying the needs of both novice and experienced gamers.
- FineMesh Performance Front Panel
- Three CF120 ARGB Fans Included
- ARGB Controller Included
- Removable Top Panel
- Screwless & Tool-Free TG Side Panel
- Removable HDD cage
FINEMESH PERFORMANCE FRONT PANEL
Large mesh intakes offer unrestricted airflow and stellar thermals for demanding systems.
AVAILABLE IN BOTH BLACK & WHITE COLORATIONS
MasterBox 520 Mesh is available in both black and white so you can choose the color that best matches your setup!
THREE CF120 ARGB FANS INCLUDED
Pre-installed CF120 ARGB fans provide ample airflow, ensuring low temperatures, high performance, and eye-catching aesthetics during even the most intense gaming sessions.
REMOVABLE TOP PANEL
The top panel is entirely removable for improved access and easy installation of cooling solutions such as fans and radiators.
SCREWLESS & TOOL-FREE TG SIDE PANEL
The tempered glass side panel is secured with pins for easy removal, facilitating quick, easy installation.
VERSATILE COOLING OPTIONS
Supports up to seven 120mm fans and dual 360mam radiators on the top and front panel.
(RE)MOVABLE HDD CAGE
The HDD cage is completely (re)movable for improved access during assembly and system upgrades.
ARGB/FAN HUB INCLUDED
The included controller allows users to manage systems lighting independently from the hardware configuration and provides the user with 4 additional fan headers in case of need.
UPGRADED REMOVABLE DUST FILTER BRACKET
The bottom dust filter bracket is robust and locked sturdily in place during travel, remaining easy to remove for cleaning purposes.
RICH CONNECTIVITY
The I/O panel comes with a USB 3.2 (Gen 2) Type-C port, a USB 3.2 (Gen 1) Type-A port, and one 3.5mm (audio + mic) headset jack.
BREATHABLE POWER SUPPLY SHROUD
The ventilated PSU cover supports both active and passive cooled PSUs installed in multiple orientations.
HARDWARE COMPATIBILITY
MasterBox 520 Mesh is natively compatible with ITX, M-ATX and ATX motherboards.
E-ATX motherboards, such as SSI-CEB models, are compatible with dimensions up to 12" x 10.7".
Model Number
MB520-KGNN-S00
Form Factor
Mid Tower
Colour
Black
Materials
Mesh
Steel
ABS Plastic
Tempered Glass
Motherboard Support
E-ATX*
SSI CEB
ATX
Micro ATX
Mini ITX
(*up to 12" x 10.7" motherboards, may impact cable management feature)
Expansion
Slots: 7
Drive Bays
3.5" Drive Bays: 2
2.5" Drive Bays: 3
I/O Panel
1 x USB 3.2 Gen 1 Type-A
1 x USB 3.2 Gen 2 Type-C
1 x 3.5mm Headset Jack (Audio+Mic)
1 x Reset/ARGB button
Included Accessories
ARGB Fans Hub
Fan Support
Top: 3 x 120mm / 2 x 140mm
Front: 3 x 120mm / 2 x 140mm (3 x CF120 ARGB Fans Included)
Rear: 1 x 120mm
Radiator Support
Top: 120mm / 140mm / 240mm / 280mm / 360mm (recommended maximum thickness -55mm)
Front: 120mm / 140mm / 240mm / 280mm / 360mm
Rear: 120mm
Clearance
CPU Cooler: 165mm
PSU: 200mm (Recommended up to 170mm)
GFX: 410mm
Dust Filters
Bottom
Front
Top
Power Supply Support
ATX
Dimensions ( L x W x H )
502 x 210 x 498mm (Incl. Protrusions)
443 x 210 x 498mm (Body Size)
Volume
50L
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Bed Sheets
Color: Bright White Striped, Size: Queen
I’m really happy with these bed sheets. They feel soft and comfortable against the skin, and the crisp white color gives the bed a clean, fresh look. The fabric is lightweight but still feels durable and well made. They fit the mattress nicely and stay in place throughout the night. After washing, they came out looking great with no noticeable shrinking or loss of softness.
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Reviewed in the United States on June 6, 2026
★★★★★ 5
Great sheet set
Color: Blush Pink, Size: Full
Super soft right out of the package. Thin material but should be perfect for cool nights. Blush pink is the perfect shade of pink. Love this set. Highly recommended especially at this price point.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Perfect Lightweight Sheets for Sensitive Hot sleepers
Color: Cream, Size: Queen
These sheets are soft, thin, and absolutely perfect for me. I have advanced CRPS and erythromelalgia, so I deal with severe nerve burning and heat sensitivity and cannot tolerate being overheated at all. I keep our AC between 56–64 degrees constantly, and since our studio is small, it usually stays around 61–63.
These sheets have been a lifesaver for sleep. They are lightweight, breathable, and don’t trap heat, which helps me avoid extreme flare-ups and the intense burning pain I deal with. I'm bedridden so I need to be comfortable. They feel comfortable against my skin and don’t worsen my symptoms when I’m already in a lot of pain and look nice, wash nicely.
For the price, they are also a great value. I’m genuinely grateful to have found something that helps me rest more comfortably. Will be buying more for us and gifts.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Sheet set
Color: Burgundy, Size: Queen
This lightweight microfiber sheet set stands out for its softness, comfort, and elegant design. Its fabric feels cool to the touch, withstands daily use, and is easy to wash, retaining its vibrant color wash after wash. It is an excellent choice for adding a cozy and sophisticated touch to the bedroom at an affordable price.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Great set of sheets
Color: Blue Pinstripe, Size: Twin
These microfiber sheets are incredibly soft and comfortable, especially for the price. I purchased the blue and white set for my daughter’s bed, and she loves them. The colors are bright and exactly as pictured. They fit the mattress well, don’t slip off the corners, and wash up nicely without pilling or fading. The brushed microfiber feels cozy and lightweight, making them great for year-round use. Overall, a great value and I would definitely buy another set.
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Reviewed in the United States on May 29, 2026