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Black mid-tower case with tempered glass side panel and mesh front

be quiet!

be quiet! BGW78 Pure Base 501 LX PC case Black

SKU CH-964E-SAW51 MPN BGW78

An ATX, Micro ATX and Mini ITX chassis with a tempered glass side panel, four pre-installed 120 mm fans and room for 360 mm front radiators

  • Max graphics card length368 mm
  • Housing materialABS / Steel / Tempered Glass
  • Supported motherboard sizesATX / Micro ATX / Mini ITX
  • Side panel typeTempered Glass Panel
  • 3.5-inch internal bays2
  • 2.5-inch internal bays5

Edition Pure Base 501 LX

Color Black

  • Spacious interior fits long graphics cards up to 368 mm
  • Four pre-installed 120 mm fans deliver airflow from the start
  • Front radiator support up to 360 mm enables high-capacity liquid cooling
  • Seven expansion slots give room for multiple add-in cards
  • Tempered glass side panel shows the build while steel structure adds rigidity

Mid-tower case for ATX builds

The be quiet! Pure Base 501 LX is a mid-tower chassis that accepts ATX, Micro ATX and Mini ITX motherboards. Seven expansion slots and a tempered glass side panel suit gaming or workstation builds. Two 3.5 inch and five 2.5 inch internal bays provide room for mixed storage.

Thermals noise and power

Four pre-installed 120 mm fans give immediate airflow through front and rear positions. Additional mounts allow two 140 mm fans at the front, one 140 mm at the rear and two 140 mm at the top. Radiator support reaches 360 mm at the front, 240 mm at the top and 140 mm at the rear for liquid cooling.

Build quality and connectivity

ABS and steel construction with a tempered glass window creates a rigid, quiet enclosure. The 368 mm GPU clearance and 178 mm CPU cooler height accommodate most modern components. A 200 mm power supply limit means longer units will not fit.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $118.99
Pricier than about 60% of the 1,468 comparable items (median $100.99).
Max graphics card length 368 mm
Lower than about 67% of the 894 comparable items (median 400 mm).

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Specifications

Product
Brand namebe quiet!
Product linePure base 501 LX
Model nameBGW78
Product colorBlack
Storage
3.5-inch internal bays2
2.5-inch internal bays5
Ports & slots
Expansion card slots7
Size & build
Max graphics card length368 mm
Housing materialABS / Steel / Tempered Glass
Side panel typeTempered Glass Panel
Fan mounting optionsFront - 2 × 140 mm / Rear - 1 × 140 mm / Top - 2 × 140 mm
Shipping weight8.82 kg
Package size533 × 356 × 254 mm
Compatibility
Supported motherboard sizesATX / Micro ATX / Mini ITX
Radiator supportFront - Up to 360 mm / Rear - Up to 140 mm / Top - Up to 240 mm
CPU cooler height limit178 mm
PSU length limit200 mm
More details
Included fansFront - 3 × 120 mm / Rear - 1 × 120 mm

Other versions of this model

5 more in the same range

Questions about this item

How do I install the pre-installed 120mm fans and which step do builders often miss?

The case ships with three 120mm fans at the front and one at the rear. The step often missed is checking each fan’s arrow for airflow direction so all four push air in the same path.

What maintenance will the drive bays and dust filters need over time?

Two 3.5-inch and five 2.5-inch bays use tool-less trays; remove trays periodically to vacuum dust. Front and top magnetic filters slide out for cleaning without tools.

What is the first cooling limit reached when running a 360mm front radiator under sustained load?

A 360mm front radiator fits, but the 178mm CPU cooler height limit and front panel clearance restrict pump-block thickness, so combined radiator-and-fan depth becomes the limiting factor.

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