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Comparison Zalman Z9 black vs Zalman Z3 Plus black

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Zalman Z9 black
Zalman Z3 Plus black
Zalman Z9 blackZalman Z3 Plus black
from $89.51 up to $101.08
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from £100.71 
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Main
Five fans. Transparent sidewall. Casing for cable management. Noise-absorbing pads for HDD. Four USB ports.
Featuresgaminggaming
Form factorMidi TowerMidi Tower
Mountverticalvertical
Motherboard support
ATX /micro-ATX, mini-ITX/
ATX /micro-ATX, mini-ITX/
PSU form factorATX (regular)ATX (regular)
Computer case
Dimensions (HxWxD)490x205x482 mm465x192x430 mm
Graphics card max lenght400 mm360 mm
Fan max height160 mm160 mm
Weight6.8 kg4.9 kg
Materialsteelsteel
Sidewall thickness0.8 mm0.6 mm
Rubber feet
Lighting typebacklit fanbacklit fan
Lighting colourblueblue
Side panelremovableremovable
Storage
PSU
PSU mountbottombottom
5.25" bays22
3.5" external bays1
3.5" bays44
internal 2.5" compartments41
Expansion slots77
Screwless
Cooling
Fans total54
Fans (back)1x120mm1х120mm
Fans (front)2x120mm2х120mm
Fans (top)2x120mm2х120mm
Fan mounts total55
Dust filter++
Liquid cooling support
Connectors and functions
Placementon the fronton top of the case
Fan controler
USB 2.022
USB 3.2 gen121
Audio (microphone/headphones)
More features
Front panellattice
Side panel window+acrylic
More features
front panel
removable HDD cage
hidden wiring
CPU cooling mount window
 
 
hidden wiring
CPU cooling mount window
Color
Added to E-Catalogmarch 2017january 2014

Graphics card max lenght

The maximum length of a graphics card that can be installed in this case.

Modern mid-range and top-end video cards with high performance often differ in considerable length, which is why such a card can not fit into any case. So before collecting components, it is worth evaluating the length of the proposed graphics card and choosing a case in which it is guaranteed to fit. This forethought is useful anyway, but it's especially true if you're building a system that requires a powerful graphics adapter, such as a high-end gaming PC or 3D design workstation.

Sidewall thickness

The thickness of the side walls used in the case. When choosing a thickness, manufacturers have to compromise between several points at once. On the one hand, thin walls are inexpensive and heat dissipates faster through them, which has a positive effect on cooling efficiency. On the other hand, powerful systems inevitably require thick walls, otherwise the case may simply not withstand the weight of advanced high-performance components. Thirdly, steel is a fairly durable material even with a relatively small thickness. In light of all this, in most models this indicator does not exceed 0.70.8 mm, and more often it is about 0.50.6 mm.

3.5" external bays

The number of external 3.5" component bays provided in the case. The name "external" means that the bay has an exit to the outside (usually to the front panel), and can be reached without opening the case. One of the most popular options the use of such slots — the installation of card readers; in addition, they can be used for other components — in particular, USB hubs.

The number of bays corresponds to the number of external components that can be simultaneously installed in the case. However, this form factor is not particularly popular in the outer periphery, so cases with more than 2 such compartments are rare.

internal 2.5" compartments

The number of internal 2.5" bays provided in the case design.

Such bays are mainly used for installing internal hard drives and SSD modules; The 2.5" form factor was originally created as "laptop" form factor, but recently it has been increasingly used in components for full-size PCs. At the same time, when evaluating the number of these bays, note that drives are recommended to be installed through a slot; so in Ideally, the number of bays should be twice the planned number of drives.

Also note that some cases use combined bays: initially they have a size of 3.5", but if desired, they can be converted to 2.5". These bays count towards both 3.5-inch and 2.5-inch slots. In fact, this means that the total number of available slots is not always equal to the sum of the number of both. For example, a case with 10 3.5" bays and 6 2.5" bays can have 4 combined bays, and the total number of slots in this case will not be 16, but only 12.

Fans total

The more fans provided in the design, other things being equal, the more intense the cooling will be and the more powerful (and, accordingly, “hot”) hardware can be placed in the case without the risk of overheating. For everyday tasks, a case with one, two or three factory fans is enough. At the same time, when comparing, it is worth considering not only the number, but also the performance characteristics of the fans (diameter, speed). Also note that there are cases without fans on the market with free space for fans, which allows, if necessary, to supplement the cooling system and improve its performance.

Fans (back)

The number of fan slots on the back of the case, as well as the size of the fans that these slots are designed for. The presence of the fans themselves in the kit should be specified separately.

The larger the fan, the more advanced it is considered: a large diameter allows you to work efficiently at relatively low speeds, which reduces the noise level and energy consumption. Case fans are available in several standard diameters; specifically for the rear panel, the size up to 92 mm is considered relatively small, 120 mm — medium, 140 mm — large.

Most often, the holes for installing fans are designed for one specific size, however, there are also “multi-size” seats, for 2-3 options in diameter.

Fans (front)

The number of fan slots on the front of the case, and the size of the fans these slots are designed for. The presence of the fans themselves in the kit should be specified separately.

The larger the fan, the more advanced it is considered: a large diameter allows you to work efficiently at relatively low speeds, which reduces the noise level and energy consumption. Case fans are available in several standard diameters; specifically for the front panel, the size up to 92 mm is considered relatively small, 120 mm — medium, 140 mm — large, and in the most advanced solutions, fans of 180 mm or even more can be installed.

Also note that most often the holes for installing fans are designed for one specific size, however, there are also “multi-size” seats, for 2-3 options. Moreover, these options may differ both in diameter and in quantity: for example, it may be possible to install two 140 mm fans or three 120 mm fans.

Fans (top)

The number of fan slots on the top side of the case, and the size of the fans these slots are designed for. The presence of the fans themselves in the kit should be specified separately.

The larger the fan, the more advanced it is considered: a large diameter allows you to work efficiently at relatively low speeds, which reduces the noise level and energy consumption. Case fans are available in several standard diameters, and the seats under them can be designed for both one and several sizes — for example, 120 / 140 mm. At the same time, in some models, the available number of seats also depends on the chosen size: for example, there are gaming cases where you can install either one 180 mm fan or four 120 mm fans at once.

Liquid cooling support

This feature is indicated for housings that normally allow the installation of liquid cooling systems(LCS). Such systems are extremely efficient, but complex and expensive, so they are mainly used in high-performance PCs, for which traditional coolers are no longer enough. Note that theoretically, liquid cooling can be installed in almost any case; however, if support for such cooling is not initially provided in the design, this can be very difficult. So if you initially plan to use LSS, you should choose a case for which support for this function is directly claimed.
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