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Black steel Micro ATX slim case with side window, front USB and audio ports, 300W PSU installed

In Win

In Win BL631.FF300TB3F Micro ATX Slim PC case

SKU CH-7D3P-4FEBE MPN BL631.FF300TB3F

Slim steel Micro ATX case with 300 W PSU, four expansion slots, front USB 2.0 and 3.0 ports, plus audio, and room for five drives

  • TypeMicro ATX Slim Case
  • ColorBlack
  • Case MaterialSteel
  • With Power Supply300W
  • Power Supply300W
  • Power Supply MountedBottom
  • Includes a 300W power supply for immediate builds
  • Fits Micro ATX and Mini ITX motherboards in a slim frame
  • Four front USB ports — two 2.0 and two 3.0 — plus audio jacks
  • Five drive bays in total: one 5.25", one external 3.5", two internal 3.5" and one 2.5
  • Rear 80mm fan mount keeps airflow moving through the steel chassis

Micro ATX Slim Case with 300W PSU

The In Win BL631.FF300TB3F is a compact steel chassis that accepts Micro ATX and Mini ITX motherboards. It includes a pre-installed 300W TFX power supply mounted at the bottom, making it suited for space-constrained office or home builds that need a ready-to-use enclosure.

Thermals, Noise and Power Draw

A single 80mm rear fan provides the only active airflow path through the slim interior. The 300W supply limits total system power, so the case runs quietly with low-TDP processors and integrated graphics but cannot sustain high-wattage components under load.

Replaces Larger Towers for Basic Builds

This case replaces full-size ATX towers when desk space is tight and expansion needs are modest, offering one 5.25in bay, one external 3.5in bay, two internal 3.5in bays, one 2.5in bay and two hot-swap bays. The jump is worthwhile for builders who need four expansion slots and front USB 2.0, USB 3.0 and audio ports in a 13.6in tall footprint.

商品特色

  • Includes a 300W power supply for immediate builds
  • Fits Micro ATX and Mini ITX motherboards in a slim frame
  • Four front USB ports — two 2.0 and two 3.0 — plus audio jacks
  • Five drive bays in total: one 5.25", one external 3.5", two internal 3.5" and one 2.5
  • Rear 80mm fan mount keeps airflow moving through the steel chassis

商品規格

BrandIN WIN
SeriesBL631
ModelBL631.FF300TB3F
Part NumberBL631.FF300TB3F
TypeMicro ATX Slim Case
ColorBlack
Case MaterialSteel
With Power Supply300W
Power Supply300W
Power Supply MountedBottom
Motherboard CompatibilityMicro ATX / Mini ITX
Side Panelwith Side Window
External 5.25" Drive Bays1
External 3.5" Drive Bays1
Internal 3.5" Drive Bays2
Internal 2.5" Drive Bays1
Hot-Swap Drive Bays2
Expansion Slots4
Front Ports2 x USB 2.0, 2 x USB 3.0, Audio
Fan OptionsRear - 1 x 80mm
40mm Fans1
80mm FansNo
120mm FansNo
140mm FansNo
180mm Fans4
200mm Fans1
220mm Fans1
360mm Fans2
Side Air ductYes
Max GPU Length195 mm
Max CPU Cooler Height72 mm
Max PSU Length300W TFX PSU
Dimensions13.00" x 3.80" x 16.10" (with front panel)
13.00" x 3.80" x 14.40" (w/o front panel)
Weight5.897 kilograms
FeaturesPartition Plate Cooling Technology
Package ContentDesktop BL631 + 300W
出貨重量6.35 kg
包裝尺寸483 × 381 × 152 mm

商品問答

How do I install the motherboard in this 13.6-inch tall slim case, and what step often gets missed?

Mount the Micro ATX or Mini ITX board using the four expansion-slot brackets, then connect the front-panel USB 2.0, USB 3.0 and audio headers before sliding the board into the narrow chassis.

Which parts will need replacement first during long-term use?

The included 300 W TFX power supply and the single rear 80 mm fan are the only moving or ageing components; plan to swap them if noise or voltage drift appears.

What thermal limit appears first when the system runs sustained loads?

With only one rear 80 mm exhaust fan and a bottom-mounted 300 W PSU, the internal air temperature rises quickly, throttling CPU and GPU clocks before the case surfaces get hot.

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