Cooler Master N400

Name: Cooler Master N400
Brand: Cooler Master USA, Inc.
SKU: 55
Price: 69.99 USD
Availability: InStock

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Cooler Master N400 Review & Specifications

The Cooler Master N400, manufactured by Cooler Master USA, Inc., is a moderate-quality PC case tailored for Mid-Tower builds. It is built using mid-range steel, plastic, and tempered glass and weighs approximately 5.60 kg. Its aesthetic is characterized by a N400 finish and features a steel side panel, which adds both style and functionality.

The Cooler Master N400 supports a standard range of motherboard sizes, including Mini-ITX, Micro-ATX, Standard-ATX. This makes it a versatile choice suitable for most gaming and workstation builds—excluding E-ATX compatibility. Power supply compatibility includes ATX, SFX units with a maximum supported length of 160 mm. The overall case dimensions are 501.4 x 190 x 426 mm, offering insight into its spatial footprint.

This case supports medium to large graphics cards up to 320 mm in length, along with CPU air coolers up to 164 mm in height.

This case features moderate cooling support, including several fan mounts and radiator support up to 120 mm. It's well-suited for mainstream gaming and productivity builds where cooling is important but not extreme. For additional details and specific specifications, refer to the section below.

General Information

Manufacturer	Cooler Master USA, Inc.
PC Case Name	Cooler Master N400
Current Price Amazon	$70
Amazon Price Updated	1 day, 9 hours ago.
PC Case Available	True

Specification

Form Factor	Mid-Tower
Material / Weight	steel, plastic, and tempered glass / 5.60 kg
Color / Side Panel	N400 / steel
PC Case Dimensions	501.4 x 190 x 426 mm

Compatibility

Motherboard Support	Mini-ITX, Micro-ATX, Standard-ATX
GPU Length / CPU Cooler Height	320 mm / 164 mm
PSU Form Factor / Max Length	ATX, SFX / 160 mm

Performance

Cooler Master N400 Compared to PC Cases with the Same Form Factor and Similar Performance and Features

PC Case Quality & Features per Price Table

PC_Case (Desc)	Price (Desc)	Quality/Features (Desc)	Q&F/Price (Desc)
Thermaltake Versa H16 TG ARGB Black Thermaltake Versa H16 TG ARGB Black View detailed specs, charts, and comparison for this PC case.	$70 Thermaltake Versa H16 TG ARGB Black Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PC Case on Amazon. \| 0.0% Thermaltake Versa H16 TG ARGB Black Price Change No significant price change detected.	65.0 pts	83.6%
JONSBO D31 MESH SC Black Micro ATX PC C… JONSBO D31 MESH SC Black Micro ATX PC Case with Screen View detailed specs, charts, and comparison for this PC case.	$93 JONSBO D31 MESH SC Black Micro ATX PC Case with Screen Current Amazon Price Click to view this PC case on Amazon. \| ↑ 16.3% JONSBO D31 MESH SC Black Micro ATX PC Case with Screen Price Change Price increased from the last update.	65.0 pts	62.9%
Cooler Master N400 Cooler Master N400 View detailed specs, charts, and comparison for this PC case.	$70 Cooler Master N400 Current Amazon Price Click to view this PC case on Amazon. \| ↓ -12.5% Cooler Master N400 Price Change Price decreased from the last update.	64.0 pts	82.3%
Corsair iCUE 2000D RGB Corsair iCUE 2000D RGB View detailed specs, charts, and comparison for this PC case.	$179 Corsair iCUE 2000D RGB Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PC Case on Amazon. \| 0.0% Corsair iCUE 2000D RGB Price Change No significant price change detected.	64.0 pts	32.2%
Fractal Design Era 2 Fractal Design Era 2 View detailed specs, charts, and comparison for this PC case.	$220 Fractal Design Era 2 Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PC Case on Amazon. \| 0.0% Fractal Design Era 2 Price Change No significant price change detected.	64.0 pts	26.2%
Fractal Design Focus G Fractal Design Focus G View detailed specs, charts, and comparison for this PC case.	$205 Fractal Design Focus G Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PC Case on Amazon. \| 0.0% Fractal Design Focus G Price Change No significant price change detected.	63.0 pts	27.7%
Cooler Master Q300L V2 White Cooler Master Q300L V2 White View detailed specs, charts, and comparison for this PC case.	$70 Cooler Master Q300L V2 White Current Amazon Price Click to view this PC case on Amazon. \| ↑ 14.7% Cooler Master Q300L V2 White Price Change Price increased from the last update.	62.0 pts	79.7%
Fractal Design Meshify 2 Nano Fractal Design Meshify 2 Nano View detailed specs, charts, and comparison for this PC case.	$102 Fractal Design Meshify 2 Nano Current Amazon Price Click to view this PC case on Amazon. \| ↓ -5.0% Fractal Design Meshify 2 Nano Price Change Price decreased from the last update.	62.0 pts	54.7%
Cooler Master Q300L V2 Cooler Master Q300L V2 View detailed specs, charts, and comparison for this PC case.	$70 Cooler Master Q300L V2 Current Amazon Price Click to view this PC case on Amazon. \| ↑ 30.1% Cooler Master Q300L V2 Price Change Price increased from the last update.	62.0 pts	79.7%

PC Case Comparison and Detail Specifications Table

Specification	Thermaltake Versa H16 TG ARGB… Thermaltake Versa H16 TG ARGB Black View detailed specs, charts, and comparison for this PC case.	JONSBO D31 MESH SC Black Micr… JONSBO D31 MESH SC Black Micro ATX PC Case with Screen View detailed specs, charts, and comparison for this PC case.	Cooler Master N400 Cooler Master N400 View detailed specs, charts, and comparison for this PC case.	Corsair iCUE 2000D RGB Corsair iCUE 2000D RGB View detailed specs, charts, and comparison for this PC case.	Fractal Design Era 2 Fractal Design Era 2 View detailed specs, charts, and comparison for this PC case.	Fractal Design Focus G Fractal Design Focus G View detailed specs, charts, and comparison for this PC case.	Cooler Master Q300L V2 White Cooler Master Q300L V2 White View detailed specs, charts, and comparison for this PC case.	Fractal Design Meshify 2 Nano Fractal Design Meshify 2 Nano View detailed specs, charts, and comparison for this PC case.	Cooler Master Q300L V2 Cooler Master Q300L V2 View detailed specs, charts, and comparison for this PC case.
Perf Chart
Price	$70❗ Thermaltake Versa H16 TG ARGB Black Price Not Available Last known price from Amazon. Currently unavailable. 0.0% Thermaltake Versa H16 TG ARGB Black Price Change No significant price change detected.	$93 JONSBO D31 MESH SC Black Micro ATX PC Case with Screen Current Amazon Price Click to view this PC case on Amazon. ↑ 16.3% JONSBO D31 MESH SC Black Micro ATX PC Case with Screen Price Change Price increased from the last update.	$70 Cooler Master N400 Current Amazon Price Click to view this PC case on Amazon. ↓ -12.5% Cooler Master N400 Price Change Price decreased from the last update.	$179❗ Corsair iCUE 2000D RGB Price Not Available Last known price from Amazon. Currently unavailable. 0.0% Corsair iCUE 2000D RGB Price Change No significant price change detected.	$220❗ Fractal Design Era 2 Price Not Available Last known price from Amazon. Currently unavailable. 0.0% Fractal Design Era 2 Price Change No significant price change detected.	$205❗ Fractal Design Focus G Price Not Available Last known price from Amazon. Currently unavailable. 0.0% Fractal Design Focus G Price Change No significant price change detected.	$70 Cooler Master Q300L V2 White Current Amazon Price Click to view this PC case on Amazon. ↑ 14.7% Cooler Master Q300L V2 White Price Change Price increased from the last update.	$102 Fractal Design Meshify 2 Nano Current Amazon Price Click to view this PC case on Amazon. ↓ -5.0% Fractal Design Meshify 2 Nano Price Change Price decreased from the last update.	$70 Cooler Master Q300L V2 Current Amazon Price Click to view this PC case on Amazon. ↑ 30.1% Cooler Master Q300L V2 Price Change Price increased from the last update.
Form Factor	Micro-Tower	Micro-Tower	Mid-Tower	Mini-Tower	Mini-Tower	Mid-Tower	Micro-Tower	Mini-Tower	Micro-Tower
Color	Black	BLACK	N400	White	Midnight Blue	Gray	White	Black TG Dark Tint	Black
Side Panel	3mm Tempered Glass x 1	tempered glass	steel	Mesh	mesh	tempered glass	tempered glass	tempered glass	tempered glass
Max GPU L.	330 mm	400 mm	320 mm	365 mm	326 mm	380 mm	360 mm	331 mm	360 mm
Max CPU H.	175 mm	168 mm	164 mm	165 mm	70 mm	165 mm	159 mm	167 mm	159 mm
Max PSU L.	170 mm	None mm	160 mm	130 mm	130 mm	230 mm	160 mm	165 mm	160 mm
PSU FF	ATX, SFX	ATX, SFX	ATX, SFX	SFX	SFX	ATX, SFX	ATX, SFX	ATX, SFX	ATX, SFX

PC Case Specification Table

PC_Case (Desc)	Form Factor	Color / Side Panel	GPU Length	CPU Cooler Height	PSU Length / Form Factor
Thermaltake Versa H16 TG ARGB Black Thermaltake Versa H16 TG ARGB Black View detailed specs, charts, and comparison for this PC case.	Micro-Tower	Black / 3mm Tempered Glass x 1	330 mm	175 mm	170 mm / ATX, SFX
JONSBO D31 MESH SC Black Micro ATX PC C… JONSBO D31 MESH SC Black Micro ATX PC Case with Screen View detailed specs, charts, and comparison for this PC case.	Micro-Tower	BLACK / tempered glass	400 mm	168 mm	None mm / ATX, SFX
Cooler Master N400 Cooler Master N400 View detailed specs, charts, and comparison for this PC case.	Mid-Tower	N400 / steel	320 mm	164 mm	160 mm / ATX, SFX
Corsair iCUE 2000D RGB Corsair iCUE 2000D RGB View detailed specs, charts, and comparison for this PC case.	Mini-Tower	White / Mesh	365 mm	165 mm	130 mm / SFX
Fractal Design Era 2 Fractal Design Era 2 View detailed specs, charts, and comparison for this PC case.	Mini-Tower	Midnight Blue / mesh	326 mm	70 mm	130 mm / SFX
Fractal Design Focus G Fractal Design Focus G View detailed specs, charts, and comparison for this PC case.	Mid-Tower	Gray / tempered glass	380 mm	165 mm	230 mm / ATX, SFX
Cooler Master Q300L V2 White Cooler Master Q300L V2 White View detailed specs, charts, and comparison for this PC case.	Micro-Tower	White / tempered glass	360 mm	159 mm	160 mm / ATX, SFX
Fractal Design Meshify 2 Nano Fractal Design Meshify 2 Nano View detailed specs, charts, and comparison for this PC case.	Mini-Tower	Black TG Dark Tint / tempered glass	331 mm	167 mm	165 mm / ATX, SFX
Cooler Master Q300L V2 Cooler Master Q300L V2 View detailed specs, charts, and comparison for this PC case.	Micro-Tower	Black / tempered glass	360 mm	159 mm	160 mm / ATX, SFX

Additional PC Case Information

Fan Support:

Cooling System - Top120mm fan x 2 (optional)Cooling System - Front120mm fan x 2 (one white LED XtraFlo fan installed, one optional) - for KKN1/KWN1, with no PWM / LED XtraFlo - for KKN2/KWN2Cooling System - Rear120mm XtraFlo fan (no PWM / LED) x 1 (installed) *The bundled XtraFlo fans: 3-pinCooling System - Left side120/140mm fan x 1 (optional)Cooling System - Right side120mm fan x 2 (optional)

Radiator Support:

Rear120mm

HDD / SSD Support:

3.5" Drive Bays1 (exposed), 7 (hidden)2.5" Drive Bays3 (hidden)

Front Ports:

2x USB 3.0 (int.), 2x USB 2.0, 1x Audio (supports AC97 / HD Audio), 1x Mic

Dust Filters:

Yes

Additional Information:

None