Product comparison · 2 computer cases

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

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

Differences highlightedShow differences only

Comparison of A31 PLUS, M221-BA
48 specifications	A ASUS A31 PLUS View product	B FSP M221-BA Case Midi Tower mATX, ATX Black ARGB Model M221-BA View product
Design4 differ
Supported motherboard form factorsDiffers	ATX, micro ATX, Mini-ITX	ATX, micro ATX
Illumination locationKnown for one	Unknown — not stated by the source	Case fans
RGB control buttonKnown for one	Unknown — not stated by the source	Yes
Reset buttonKnown for one	Unknown — not stated by the source	Yes
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Maximum CPU cooler heightDiffers	16.5 cm	16.3 cm
Maximum graphics card lengthDiffers	38 cm	31.7 cm
Maximum PSU lengthDiffers	20 cm	17 cm
Number of 5.25" baysKnown for one	0	Unknown — not stated by the source
Number of external 5.25" baysKnown for one	0	Unknown — not stated by the source
Power supplyidentical
Power supply locationKnown for one	Unknown — not stated by the source	Bottom
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	0	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
USB 3.2 Gen 2x2 Type-C ports quantityDiffers	1	0
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Cooling2 differ
Number of front fans supported (max)Known for one	Unknown — not stated by the source	3
Front fans diameters supportedKnown for one	Unknown — not stated by the source	120 mm
Rear fans diameters supportedDiffers	120,140 mm	120 mm
Number of top fans supported (max)Differs	3	2
Number of bottom fans supported (max)Known for one	Unknown — not stated by the source	2
Bottom fans diameters supportedKnown for one	Unknown — not stated by the source	120,140 mm
Side fans installedKnown for one	3x 120 mm	Unknown — not stated by the source
Rear radiator sizes supportedKnown for one	120 mm	Unknown — not stated by the source
Top radiator sizes supportedKnown for one	140,240,360,120,280 mm	Unknown — not stated by the source
Storage1 differ
Supported HDD sizesDiffers	2.5,3.5"	3.5,2.5"
Weight & dimensions4 differ
WidthDiffers	238 mm	208 mm
DepthDiffers	511 mm	358 mm
HeightDiffers	435 mm	432 mm
WeightDiffers	9.1 kg	3.7 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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