Product comparison · 2 computer cases

ASUS A31 PLUS vs FSP M221-BA Case Midi Tower mATX, ATX Black ARGB

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  • 33specifications compared
  • 14differ
  • 19identical
  • 15known for one product only

Key differences

The ASUS A31 PLUS has 0.2 cm more maximum CPU cooler height than the FSP M221-BA Case Midi Tower mATX, ATX Black ARGB (16.5 cm vs 16.3 cm). The ASUS A31 PLUS has 6.3 cm more maximum graphics card length than the FSP M221-BA Case Midi Tower mATX, ATX Black ARGB (38 cm vs 31.7 cm). The ASUS A31 PLUS has 3 cm more maximum PSU length than the FSP M221-BA Case Midi Tower mATX, ATX Black ARGB (20 cm vs 17 cm). Supported motherboard form factors: ATX, micro ATX, Mini-ITX on the ASUS A31 PLUS, ATX, micro ATX on the FSP M221-BA Case Midi Tower mATX, ATX Black ARGB. Supported HDD sizes: 2.5,3.5" on the ASUS A31 PLUS, 3.5,2.5" on the FSP M221-BA Case Midi Tower mATX, ATX Black ARGB.

  • Supported motherboard form factors
    • A31 PLUS:ATX, micro ATX, Mini-ITX
    • M221-BA Case Midi Tower mATX, ATX Black ARGB:ATX, micro ATX
  • Maximum CPU cooler height
    • A31 PLUS:16.5 cm
    • M221-BA Case Midi Tower mATX, ATX Black ARGB:16.3 cm
  • Maximum graphics card length
    • A31 PLUS:38 cm
    • M221-BA Case Midi Tower mATX, ATX Black ARGB:31.7 cm
  • Maximum PSU length
    • A31 PLUS:20 cm
    • M221-BA Case Midi Tower mATX, ATX Black ARGB:17 cm
  • USB 2.0 ports quantity
    • A31 PLUS:0
    • M221-BA Case Midi Tower mATX, ATX Black ARGB:2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • A31 PLUS:2
    • M221-BA Case Midi Tower mATX, ATX Black ARGB:1
  • USB 3.2 Gen 2x2 Type-C ports quantity
    • A31 PLUS:1
    • M221-BA Case Midi Tower mATX, ATX Black ARGB:0
  • Rear fans diameters supported
    • A31 PLUS:120,140 mm
    • M221-BA Case Midi Tower mATX, ATX Black ARGB:120 mm

Side by side

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Comparison of A31 PLUS, M221-BA
48 specifications
Design4 differ
Form factorMidi TowerMidi Tower
TypePCPC
Product colourBlackBlack
Supported motherboard form factorsDiffersATX, micro ATX, Mini-ITXATX, micro ATX
Number of 3.5" bays22
Number of 2.5" bays22
Number of expansion slots77
Side windowYesYes
IlluminationYesYes
Illumination colourMultiMulti
Illumination locationKnown for oneUnknown — not stated by the sourceCase fans
Tempered glass panel(s)YesYes
Anti-dust filterYesYes
Cable managementYesYes
On/off buttonYesYes
RGB control buttonKnown for oneUnknown — not stated by the sourceYes
Reset buttonKnown for oneUnknown — not stated by the sourceYes
LED indicatorsKnown for oneUnknown — not stated by the sourceYes
Maximum CPU cooler heightDiffers16.5 cm16.3 cm
Maximum graphics card lengthDiffers38 cm31.7 cm
Maximum PSU lengthDiffers20 cm17 cm
Number of 5.25" baysKnown for one0Unknown — not stated by the source
Number of external 5.25" baysKnown for one0Unknown — not stated by the source
Power supplyidentical
Power supply includedNoNo
Power supply locationKnown for oneUnknown — not stated by the sourceBottom
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 quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
USB 3.2 Gen 2x2 Type-C ports quantityDiffers10
Combo headphone/mic portKnown for oneYesUnknown — not stated by the source
Cooling2 differ
Number of front fans supported (max)Known for oneUnknown — not stated by the source3
Front fans diameters supportedKnown for oneUnknown — not stated by the source120 mm
Rear fans installed1x 120 mm1x 120 mm
Number of rear fans supported (max)11
Rear fans diameters supportedDiffers120,140 mm120 mm
Number of top fans supported (max)Differs32
Top fans diameters supported120,140 mm120,140 mm
Number of bottom fans supported (max)Known for oneUnknown — not stated by the source2
Bottom fans diameters supportedKnown for oneUnknown — not stated by the source120,140 mm
Side fans installedKnown for one3x 120 mmUnknown — not stated by the source
Rear radiator sizes supportedKnown for one120 mmUnknown — not stated by the source
Top radiator sizes supportedKnown for one140,240,360,120,280 mmUnknown — not stated by the source
Storage1 differ
Supported HDD sizesDiffers2.5,3.5"3.5,2.5"
Weight & dimensions4 differ
WidthDiffers238 mm208 mm
DepthDiffers511 mm358 mm
HeightDiffers435 mm432 mm
WeightDiffers9.1 kg3.7 kg

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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