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Product comparison · 2 computer cases

ASUS A31 PLUS vs CoolBox M840 Black 500 W

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  • 20specifications compared
  • 14differ
  • 6identical
  • 27known for one product only

Key differences

The ASUS A31 PLUS has 1 more 3.5" bays than the CoolBox M840 Black 500 W (2 vs 1). The ASUS A31 PLUS has 1 more 2.5" bays than the CoolBox M840 Black 500 W (2 vs 1). The ASUS A31 PLUS has 3 more expansion slots than the CoolBox M840 Black 500 W (7 vs 4). Only the CoolBox M840 Black 500 W has power supply included. Supported motherboard form factors: ATX, micro ATX, Mini-ITX on the ASUS A31 PLUS, micro ATX, Mini-ITX on the CoolBox M840 Black 500 W.

  • Supported motherboard form factors
    • ATX, micro ATX, Mini-ITX
    • micro ATX, Mini-ITX
  • Number of 3.5" bays
    • 2
    • 1
  • Number of 2.5" bays
    • 2
    • 1
  • Number of expansion slots
    • 7
    • 4
  • Maximum graphics card length
    • 38 cm
    • 26.5 cm
  • Power supply included
    • No
    • Yes
  • USB 2.0 ports quantity
    • 0
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 1

Side by side

Differences highlightedShow differences only
47 specifications
A

ASUS

A31 PLUSView product
B

CoolBox

M840 Black 500 W

Model M840

View product
Design5 differ
Form factorKnown for oneMidi Tower
TypePCPC
Product colourBlackBlack
Supported motherboard form factorsDiffersATX, micro ATX, Mini-ITXmicro ATX, Mini-ITX
Number of 3.5" baysDiffers21
Number of 5.25" bays00
Number of 2.5" baysDiffers21
Number of external 5.25" baysKnown for one0
Number of expansion slotsDiffers74
Side windowKnown for oneYes
IlluminationKnown for oneYes
Illumination colourKnown for oneMulti
Tempered glass panel(s)Known for oneYes
Anti-dust filterKnown for oneYes
Cable managementKnown for oneYes
On/off buttonYesYes
Maximum CPU cooler heightKnown for one16.5 cm
Maximum graphics card lengthDiffers38 cm26.5 cm
Maximum PSU lengthKnown for one20 cm
MaterialKnown for oneSPCC
Reset buttonKnown for oneYes
LED indicatorsKnown for oneYes
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Power supply1 differ
Power supply includedDiffersNoYes
Power supplyKnown for one500 W
Power supply locationKnown for oneTop
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers02
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers21
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers01
USB 3.2 Gen 2x2 Type-C ports quantityKnown for one1
Combo headphone/mic portYesYes
Cooling1 differ
Side fans installedKnown for one3x 120 mm
Rear fans installedKnown for one1x 120 mm
Number of rear fans supported (max)11
Rear fans diameters supportedDiffers120,140 mm80 mm
Number of top fans supported (max)Known for one3
Top fans diameters supportedKnown for one120,140 mm
Rear radiator sizes supportedKnown for one120 mm
Top radiator sizes supportedKnown for one140,240,360,120,280 mm
Storage1 differ
Supported HDD sizesDiffers2.5,3.5"3.5,2.5"
Weight & dimensions3 differ
WidthDiffers238 mm165 mm
DepthDiffers511 mm295 mm
HeightDiffers435 mm354 mm
WeightKnown for one9.1 kg
Material thicknessKnown for one0.8 mm

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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