Cooler Master Masterbox MB311L ARGB Review 0

Cooler Master Masterbox MB311L ARGB Review

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Manufacturer: Cooler Master / Product Page
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Introduction

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I would like to thank Cooler Master for supplying the review sample.


We are reviewing the Cooler Master Masterbox MB311L ARGB chassis. It comes, as the name implies, with two ARGB fans and the necessary hardware to control those LEDs. Sharing the base frame with the Masterbox NR400, odds are it offers the same positive material mix and core feature set, but let's dive right into the review to find out!

Specifications

Cooler Master Masterbox MB311L ARGB
Case Type:Mid-tower
Material:Steel, plastic, mesh, and tempered glass
Weight:5.47 kg
Slots:4
Drive Bays:2x Internal 3.5"
2x Internal 2.5"
Motherboard
Form Factors:		Mini-ITX, Micro-ATX
Dimensions:435.5 x 217.5 x 410 mm
Front Door/Cover:N/A
Front Fans:3 x 120 mm or 2x 140 mm (2x 120 mm ARGB fans pre-installed)
Rear Fans:1 x 120 mm (optional)
Top Fans:2 x 120/140 mm (optional)
Bottom Fans:N/A
Side Fans:N/A
I/O: 2x USB 3.0
1x Headphone
Fan/LED Controller:in-line ARGB controller
Compatibility:CPU Cooler: 166 mm
GPU: 344 mm
PSU: 140 mm (HDD cage in back-most position), 325 mm (w/o front radiator and HDD cage)
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Nov 13th, 2026 07:02 PST change timezone

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