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Product comparison · 2 computer cases

CoolBox M840 Black 500 W vs Zalman D40 Dual-Chamber Panoramic View Computer Case Mid. Tower Black

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  • 19specifications compared
  • 14differ
  • 5identical
  • 44known for one product only

Key differences

The Zalman D40 Dual-Chamber Panoramic View Computer Case Mid. Tower Black has 1 more 3.5" bays than the CoolBox M840 Black 500 W (2 vs 1). The Zalman D40 Dual-Chamber Panoramic View Computer Case Mid. Tower Black has 3 more expansion slots than the CoolBox M840 Black 500 W (7 vs 4). The Zalman D40 Dual-Chamber Panoramic View Computer Case Mid. Tower Black has 14.5 cm more maximum graphics card length than the CoolBox M840 Black 500 W (41 cm vs 26.5 cm). Only the CoolBox M840 Black 500 W has power supply included. Supported motherboard form factors: micro ATX, Mini-ITX on the CoolBox M840 Black 500 W, ATX, micro ATX, Mini-ITX on the Zalman D40 Dual-Chamber Panoramic View Computer Case Mid. Tower Black.

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

Side by side

Differences highlightedShow differences only
63 specifications
A

CoolBox

M840 Black 500 W

Model M840

View product
B

Zalman

D40 Dual-Chamber Panoramic View Computer Case Mid. Tower Black

Model D40

View product
Design5 differ
Form factorKnown for oneMidi Tower
MaterialDiffersSPCCAcrylonitrile butadiene styrene (ABS), Steel, Tempered glass
Supported motherboard form factorsDiffersmicro ATX, Mini-ITXATX, micro ATX, Mini-ITX
Number of 3.5" baysDiffers12
Number of expansion slotsDiffers47
Side windowKnown for oneYes
Anti-dust filterKnown for oneYes
Maximum CPU cooler heightKnown for one16 cm
Maximum graphics card lengthDiffers26.5 cm41 cm
Maximum PSU lengthKnown for one18 cm
On/off buttonKnown for oneYes
Reset buttonKnown for oneYes
LED indicatorsKnown for oneYes
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Power supply2 differ
Power supply includedDiffersYesNo
Power supply locationDiffersTopSide
Supported power supply form factorsKnown for oneATX
Power supplyKnown for one500 W
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers20
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 quantityDiffers10
USB 3.2 Gen 2x2 Type-C ports quantityKnown for one1
Audio inputKnown for oneYes
Audio outputKnown for oneYes
Combo headphone/mic portKnown for oneYes
Cooling1 differ
Side fans installedKnown for one3x 120 mm
Number of side fans supported (max)Known for one3
Side fans diameters supportedKnown for one120 mm
Rear fans installedKnown for one1x 120 mm
Rear fans diameters supportedDiffers80 mm120 mm
Number of top fans supported (max)Known for one3
Top fans diameters supportedKnown for one120,240 mm
Number of bottom fans supported (max)Known for one3
Bottom fans diameters supportedKnown for one120 mm
Fan power consumptionKnown for one1.56 W
Fan rated currentKnown for one0.13 A
Fan rated voltageKnown for one12 V
Maximum airflowKnown for one34.7 cfm
Noise level (low speed)Known for one17.4 dB
Rear radiator sizes supportedKnown for one120 mm
Top radiator sizes supportedKnown for one120,240,360 mm
Number of rear fans supported (max)Known for one1
Storage1 differ
Supported HDD sizesDiffers3.5,2.5"2.5,3.5"
Packaging contentidentical
Number of mounting bracketsKnown for one1
Technical detailsidentical
Compliance certificatesKnown for oneCE, RoHS
Weight & dimensions3 differ
WidthDiffers165 mm440 mm
DepthDiffers295 mm275 mm
HeightDiffers354 mm400 mm
WeightKnown for one6.6 kg
Material thicknessKnown for one0.8 mm
Packaging dataidentical
Package widthKnown for one465 mm
Package depthKnown for one330 mm
Package heightKnown for one485 mm
Package weightKnown for one8.2 kg
Logistics dataidentical
Harmonized System (HS) codeKnown for one84733080
Other featuresidentical
Screws includedKnown for oneYes
VolumeKnown for one48.4 L

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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