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1stPlayer B5-M-3F Black black

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An affordable Mini Tower gaming case from 1stPlayer, released in 2025 and equipped with three non-illuminated 120mm fans — a solution for those who prefer understated builds without light effects. A solid front panel focuses on external simplicity but limits airflow to the front fans — under active load, this may affect temperatures. Air intake is partially compensated by side panel gaps but cannot match mesh counterparts in terms of airflow. Five mounting slots — two at the front supporting 140mm models, two at the top, and one at the back — allow you to enhance cooling if needed, although AIO support is not indicated. The 1stPlayer B5-M-3F case accommodates graphics cards up to 300mm long, leaving a selection among compact dual-fan adapters, and the cooler height of up to 165mm al...lows the use of most mid-range tower coolers. The power supply is located at the bottom, with dust filters on top and bottom protecting against contamination. Wall thickness is 0.5mm — typical for the budget segment. A tempered glass side window displays the interior, and a hidden cable routing system maintains assembly neatness. On the top panel — one USB 3.2 gen1, two USB 2.0, and audio, without USB-C.
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1stPlayer B5-M-3F Black black
Chassis Form Factor:Mini Tower
Motherboard size:micro-ATX
PSU power:no PSU
Internal bays 3.5":2
Internal bays 2.5":1
Front panel:USB A 3 pcs

An affordable Mini Tower gaming case from 1stPlayer, released in 2025 and equipped with three non-illuminated 120mm fans — a solution for those who prefer understated builds without light effects. A solid front panel focuses on external simplicity but limits airflow to the front fans — under active load, this may affect temperatures. Air intake is partially compensated by side panel gaps but cannot match mesh counterparts in terms of airflow.

Five mounting slots — two at the front supporting 140mm models, two at the top, and one at the back — allow you to enhance cooling if needed, although AIO support is not indicated. The 1stPlayer B5-M-3F case accommodates graphics cards up to 300mm long, leaving a selection among compact dual-fan adapters, and the cooler height of up to 165mm allows the use of most mid-range tower coolers. The power supply is located at the bottom, with dust filters on top and bottom protecting against contamination. Wall thickness is 0.5mm — typical for the budget segment. A tempered glass side window displays the interior, and a hidden cable routing system maintains assembly neatness. On the top panel — one USB 3.2 gen1, two USB 2.0, and audio, without USB-C.

All specifications
Specifications B5-M-3F Black
Colour
Featuresgaming
Form factorMini Tower
Mountvertical
Motherboard supportmicro-ATX
Board placementvertical
PSU form factorATX (regular)
Computer case
Dimensions (HxWxD)390x200x350 mm
Graphics card max lenght300 mm
Fan max height165 mm
Weight4.3 kg
Materialsteel
Sidewall thickness0.5 mm
Side panelremovable
Storage
PSU
PSU mountbottom
3.5" bays2
internal 2.5" compartments1
Expansion slots4
Cooling
Installed fans3 шт
120mm
Fans (back)1x120mm
Fans (front)2x140mm / 2x120mm /
Fans (top)2x120mm
Fan mounts total5
Dust filtertop and bottom
Connectors and functions
Placementon top of the case
USB-A 2.02 pcs
USB-A 5Gbps1 pcs
Audio (microphone/headphones)
More features
Front panelsolid
Side panel windowtempered glass
More featureshidden wiring
CPU cooling mount window
Added to E-CatalogJuly 2025
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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