15 best horizontal PC enclosures in 2021 –review.

You are where you need to be, because if you are looking for the best horizontal PC cases, here is an article about it. Today, we’re going to list the 15 best horizontal PC cases you should buy in 2021.

Best overall performance

So without further ado, let’s get started.

1. Silverstone Technology GD09B

First, we have Silverstone Technology, which offers both content and style at attractive prices. The GD09B is of high quality and has many features.

Made by a company that professionally makes horizontal PC enclosures. The GD09B has an impressive design considering its overall dimensions and ideal horizontal layout.

The enclosure supports 1 x 2.5 external hard drive and 2 x 3.5 drives / 1 x 2.5 drive. The PC case also provides ample space for your various storage needs. The PC case has a good ventilation and is perfectly dimensioned for good ventilation.

The Silverstone GD09B technology is great, the performance is amazing and the build quality is fantastic.  The case features 2 USB 3.0 ports, audio ports and a nice hard drive tray on the front.


  • 7 + 1 expansion slots.
  • Slight
  • Lockable mechanism
  • Decent airflow

2. Main cooler HAF XB EVO PC case

If you are looking for an easy to install PC case, the Cooler Master HAF XB EVO PC case is perfect for you. It comes with a removable motherboard that allows you to easily configure your PC. And you can also replace hardware components on this PC.

When it comes to multi-functionality, this PC case is effective because we can use it with several other motherboards. In this case Micro-ATX, Mini-ATX, ATX or Mini-ITX motherboards can be used.

This case is the best choice for gamers who like to keep up with the latest motherboards. This horizontal fan is also a powerful fan for full PC cooling.

The multi-functional fan used in the system provided optimum cooling and heat dissipation. You’ll have plenty of room up to 240mm for cable management and more with fans.

This PC enclosure offers 3 types of drive slots: 2 slots for 5.25 drives, 4 slots for 3.5 drives, and 4 slots for 2.5 and 3.5 drives with disk support.


  • Robust, front-mounted fans
  • Supports GPUs up to 180mm high
  • Removable lock for component change


  • No liquid cooling on both sides
  • It only supports 120mm fans.

3. V21 SPCC Micro ATX Cube

The Micro ATX Thermaltake Core V21 SPCC is one of the most popular PC cases on the market. It measures 13.2 x 12.6 x 16.7 inches and is compatible with Micro-ATX and Mini-ITX motherboards. It has a tempered glass side panel so you can always see what’s going on inside.

One of the features of the PC case backlight is that you can mount it horizontally or vertically. Moreover, this PC case comes with pre-installed 200mm fans.

This large size is a bonus when other models offer 120mm fans. You have many options for customizing your hybrid cooling enclosure. You also get the graphics card, GPU and power supply.

The horizontal PC enclosure increases game value and accommodates up to 6 storage devices, including SSDs and hard drives. In addition, it has 120, 140 and 200 mm fans mounted on it.

The PC case has 2 USB 3.0 ports, a microphone jack and an HD audio jack. There are 3 slots for 3.5 or 2.5 and the other 3 slots for 2.5.


  • With SPCC steel housing for long life
  • Liquid cooling options on front and rear upper panels
  • Numerous registration options
  • An affordable option


  • Limited expansion trenches
  • The disk slot is now 5.25 inches.

4. Silverstone ML04

In the list of the best horizontal PC enclosures, the Silverstone ML04 has a high quality steel/aluminum structure and a compact size. The computer is rugged, durable and looks great on screen.

This PC case is smaller in size, so don’t expect to fit large motherboards and GPUs. But don’t be disappointed. This PC case still offers a lot of interior space considering its exterior dimensions.

The drive includes 1 x 5.25, 2 x 3.5 and 1 x 2.5 internal, space for 4 x 80mm fans and 4 x low profile expansion slots / 1 x utility.

This one may not look like the other ones mentioned above if we are talking about size. Impressive. And if you save on cables and parts, you can get a decent airflow.

It also has a standard front panel that offers 2 USB 3.0 ports and audio inputs (for MicroATX and MicroITX). The PC enclosure even accommodates traditional ATX/PS2 power supplies up to 140mm, which is impressive since many other vertical enclosures do not offer this capability. It is ideal for finding a great case for your Micro-ATX built PC.


  • Excellent design
  • Designed for your living room
  • Specific features of HTPC
  • Surface made of brushed aluminium


  • mid-range extension
  • No front panel IR remote control window.

5. HTPC enclosureSilverstone Grandia Series

Next we have the Grandia Series HTPC silver stone case, which features an air pressure design that allows for smooth airflow. For gamers looking for a PC case for their GB068 motherboard, this Silverstone Grandia HTPC case is an excellent choice.

This PC case is 17.32 inches wide, 5.91 inches high and 17.13 inches deep and has a stylish design. And three form factors thanks to the air pressure design, making it the perfect showcase.

The front panel is made of plastic and aluminum alloy. Even with limited crash capabilities, the nice air pressure design provides excellent cooling.

The PC enclosure offers quick support and extension up to 309 mm. And there’s room for up to five fans, all included. In addition, the PC case offers quiet and silent operation and protection against dust.

The PC case has 2 USB 3.0 ports, an audio port and a microphone port.


  • The air pressure design is good.
  • Simple and affordable for players
  • The drive cages are equipped with numerous fastening elements and are well controlled by cables.


  • Limited cooling capacity
  • Limited support for disk arrays

Best Premium Housing

6 Thermocore P5 V2

This PC case is completely different and unique. It has an all-glass design that allows you to see the components from the inside.

This transparent structure makes this PC case one of the best showcases on the market, especially when it comes to the best horizontal PC case. The feet of the case are completely removable and allow the case to be used horizontally or vertically.

It offers you plenty of space if you are putting together a well-organized set of PC components. You can easily install hard drives, SSDs, drives and other components.

The excellent cable management of this PC case provides solid and precise airflow and keeps it relatively clean. The front I/O panel is uncluttered and features 2 USB 3.0 inputs, 2 USB 2.0 inputs and HD audio inputs.

The layout of this PC enclosure may seem confusing, but it’s simpler than it looks. You can easily remove the glass during installation in several ways.


  • Aesthetic and unique design
  • Has a variety of devices
  • Water cooling
  • It can be attached to the wall.
  • I/O Panel with 4 USB Pads


  • Most AiO coolers are not supported.
  • Unfavorable for dust protection, open structure.

7. Fractal design node 202

If you’re thinking about the space-saving benefits of buying a PC enclosure, the structured 202 node is the enclosure for you. This is the most minimalist suitcase on the list, as it is essentially a black box.

A fractal design logo is on the front of the device, and the input/output ports are 2 USB 3.0 ports and an audio jack. The required space is the main advantage of this PC case. It is small enough to fit anywhere and large enough to accommodate a graphics card up to 310 mm.

It also has a separate chamber for the graphics card to keep it at higher temperatures. You can mount this PC case horizontally and vertically in both directions. This is perfect for those who want to place their computer under the TV.

You can also choose the Integra SFX 450W power supply, but it is not modular. As for airflow, the PC case has decent ventilation, but you also have dust filters to make cleaning easier and minimize buildup. For these prices, you get a lot of features.


  • Superb interior and exterior design
  • Air filter
  • Separate graphics card and motherboard
  • A small footprint.


  • Not the best air circulation system
  • Only 2 fans are supported

8. Silverstone RVZ03

If you want something colorful that just steals the show, go for the Silverstone RVZ03. This is a speaker that can be used in all conditions. Since this is essentially a vertical smart, you can also use a horizontal PC enclosure.

If you use it horizontally, you should note that the fan is closed, resulting in a higher temperature. As usual, this is one of the coolest mini-ITX enclosures on the market, and that’s thanks to the three 120mm fan mounts.

There is enough room for two dual-slot GPUs up to 330m long, a CPU cooler up to 83mm high, and a PSU SFX.

In short, you can build a platform with an RTX 3080 and an R9 5900X in a chassis without worrying about anything. If we’re talking about storage options, you get 4x 2.5, but don’t forget that you can’t use a power supply longer than 1x 2.5.

The ARGB version of this PC case supports AIO coolers. The other thing is that the hole in the housing of the AIO PC cooler just can’t be fixed.


  • Small form factor design.
  • Watercooling with support TD03-SLIM
  • Graphics card support.
  • Supports 140mm ATX power supplies


  • Cooling fans are not PMW controllers.
  • The water cooling system must be configured.

9. RGeek L80S

The PC cases mentioned above are quite large. So if you’re looking for the best horizontal PC enclosures at a low price, and you’re looking for a low profile HTPC with no discrete GPU, a powerful CPU, and a minimalist, small size, then RGeek is one for you.

It comes with an HTPC enclosure that supports Mini-ITX motherboards and beautifully designed Pico power supplies. It also supports a 1x 5010 fan (small 50mm brushless case), but much of the heat is dissipated through the cutouts above the problems.

Thermal cameras used in PC enclosures are solid-state cameras and use a low-power processor and an integrated graphics processor. You can install water coolers that are smaller than 40 mm.

As for storage, you can install 1 x 3.5 SSD and 1 x 2.5 SSD, which is a plus for a drive like this. Moreover, you can use any AMD processor in the PC case.


  • 2 x USB 3.0
  • SSD support
  • Support for AMD processors

10. Master Cooling RC-130 KKN1 Elite 130

If you are looking for a reliable PC with excellent fresh air circulation, then this model is definitely the right choice for you. The RC-130 KKN1 Elite 130 cooler is designed for Mini-ITX motherboards.

The mesh front panel of the PC case indicates a smart design that allows surrounding air to circulate easily. The PC enclosure keeps the interior cool without being too uncomfortable.

The PC case comes with mounting brackets for hard drives and SSDs. This way you both get extra space for better ventilation.

The PC housing accommodates a VGA card of up to 343 mm in length, including the latest. As for the power supply, the Elite 130 is compatible with all standard and compact power supplies.

Overall, the CP enclosure fits perfectly and operates quietly during use. The case is ideal for small computers.


  • Compatible with the latest GPUs
  • The front panels, entrance/exit panels have modern details.
  • A sufficient number of compartments for the equipment
  • Lightweight and portable.


  • Limited fan size
  • No transparent sheets

11. G3 heat core

The Thermaltake Core G3, another sought-after horizontal and vertical PC enclosure, offers impressive performance for its price.

This case is also designed for horizontal PC gaming with an emphasis on compactness. This case is smaller for ATX and offers 120mm / 240mm water cooling and 3 fans, including 2 pre-installed front fans.

The front I/O panel is great and surprisingly offers more features than any other PC on the list in this price range. This PC case is designed as part of the thin ATX standard PC cases.

You cannot connect any other PCI-E cards other than the GPU. This is because the PC enclosure is perfectly matched to your GPU, giving you more control. It is equipped with 2 USB 3.0 ports, 2 USB 2.0 ports and standard audio ports.

Overall, this is the ideal option for you if you are looking for a cheap horizontal PC enclosure and you don’t need to install the biggest components.


  • Tempered glass is ideal for displaying RGB components.
  • Beautiful and robust appearance
  • ATX motherboard support
  • Good airflow support.


  • Maybe you should bend it a little.

12. In a MicroATX slimline horizontal chassis

The best option for those looking for a PC case with a small footprint. The PC case is slim and sleek, yet spacious enough to accommodate the latest and most advanced motherboard for your needs.

As for the design of the motherboard, you’ll be impressed by the front gills, which have a minimalist aesthetic.

The PC case ensures that the PC components remain intact. The slim in-win PC case complies with the latest safety regulations. This PC case offers high thermal stability so no PC components are damaged by overheating.

The best thing about this PC case is that it has a Kensington lock/loop, which allows you to easily lock the CPU when you travel.

The case intrusion switch is another function of the motherboard that alerts you to intruding PC components. The intrusion switch is automatically activated when you open the PC case cover.


  • Beautiful design.
  • good connectivity
  • good reports

13. Thermal Take level 20 HT Snow edition

This is a tower computer case made with tempered glass and SPCC. All parts of the computer are visible through the glass, making this cabinet a real eye-catcher. The case is compatible with a wide range of motherboards, including the latest.

The advantage is that you can assemble the entire PC case without tools. The PC tower case is equipped with unbreakable feet, so it will not damage the table surface.

It offers enough space to accommodate two cooling radiators at the same time. You can install an OC heatsink on the bottom and another heatsink on the left and right (360 mm or 280 mm).

Thanks to the individual design of the radiator seal, the radiator can be positioned horizontally and vertically in any direction. Without a doubt, the heatsinks are second to none, making this one of the best PC cases on the market.

It comes with removable filters to protect the part from dust. If you want, you can also remove the filters to get more space and install more memory and a larger heat sink.

This PC case is a versatile option as it is compatible with all modern advanced motherboards, such as E-ATX, Micro ATX, Mini ATX and ATX.


  • Dual circuit fluid system.
  • The upper fan is removable
  • Supports all kinds of motherboards, such as Micro ATX, Mini ITX, ATX, E-ATX.
  • robust construction
  • Good cable management


  • It’s a little heavy.
  • Hot-swappable hard drive slots reduce the enclosure footprint.
  • The design requires proper placement on the table.

14. Silverstone Technology Horizontal Computer Case SST-GD08B

This Silverstone horizontal PC case is an ideal and reliable option to choose. All thanks to a metal body with fewer plastic parts.

The case can support different motherboards, such as Micro ATX, Mini ITX, ATX, E-ATX. The design is excellent and logical. Another feature that makes this PC case a top choice is the easy access to the input/output ports.

The only downside to this PC case is that there is no fan on the front, so the heat cannot escape to the front.

Moreover, you will not lack memory. There are eleven compartments in this case. Plus, you can use up to 11 storage devices simultaneously, including hard drives and SSDs.

All drives have multiple mounting slots, allowing for quick installation. Heat dissipation is good, so all storage devices work well.

The processor works efficiently, smoothly and quietly, so there’s no fan noise while you’re gaming. You also have an on/off switch with this PC, so no one can turn on your computer without your permission.


  • High quality optics
  • Prevents dust accumulation
  • Supports graphics cards up to 13.6 inches.


  • No real cable management
  • Very heavy.
  • 5.25 drive bays with optical drives

15. in the extraction zone B1

In short, the B1 is one of the smoothest PC enclosures we’ve ever come across. It is small and you can use it in all directions, both vertically and horizontally.

The highlight is the presence of a side fan in the PC case, which ensures good airflow when used horizontally.

This case does not have the best thermal performance and supports coolers up to 60mm high to increase airflow around the CPU.

If we talk about the GPU, you can’t install it, which makes this PC the best choice for low-power HTPC systems. Overall, this is a good looking PC enclosure that is well priced and has some impressive features and capabilities.


  • Single page
  • It looks good.
  • Simple configuration
  • Grand Prix


  • 1 single USB port
  • Thermal energy
  • The fan can be noisy.

Purchasing guide

Here are some things to consider before buying the best horizontal PC case. You should be more careful when buying a PC case because it will hold all your expensive PC gadgets and components.

Here is a buying guide to help you identify the most important things to consider when buying a horizontal PC enclosure. So let’s get started.


The first thing to consider is the orientation of the PC case. The PC enclosure is available in two sizes – vertical and horizontal.

Horizontal enclosures are more popular among PC users, they take up less space, and if we talk about the appearance, the horizontal PC enclosure is more aesthetic compared to the others. However, some people prefer vertical pens.

The orientation doesn’t have a big impact on PC performance, so you can choose any type depending on what you like.

Quality of construction

The next point is the quality of the construction. As you know, PC enclosures contain important components of your PC, such as graphics card, motherboards, RAM and other components. Don’t look for a cheap product, look for a quality construction.

Look for a PC case with a sturdy casing to protect your components. A high quality housing guarantees a longer lifetime of the housing. All PC use cases discussed in this article are robust and of excellent quality.

Free of unauthorized installation

The use of screwdrivers and pliers is an old method. The PC cases are currently supplied without tools. Install the PC components easily without a screwdriver.

Moreover, a free-form PC enclosure has other advantages, as you can remove it at any time without a screwdriver.

PC case size

Don’t forget to buy the PC case in the right size. PC tower cases are available in a wide range of designs, including Mini ITX, Micro ATX, ATX, E-ATX. You can also get an idea of the PC case if you know the dimensions of the motherboard and other components.

Cable management

PC performance depends on the cables, and you will need to connect many wires from the motherboard to the eGPU and more.

We recommend using a PC case that has enough space to neatly route all the cables without creating an awkward environment. Correct cable routing is a necessary check for a neat appearance and protects the PC from damage.

Disk bays

Well, that depends on personal preference. The number of disk slots on your PC depends on the number and types of disks you use in your PC.

All the disk arrays mentioned in this article offer a different number of disk array options. That way, you can easily make a decision based on your needs.

Air flow

Even if you use a powerful and revolutionary cooling system, airflow is limited by poor PC case design. So make sure you buy a PC case with a good ventilation system. This will not restrict the airflow of the system to keep your system cool.


Everyone wants to have a complicated computer. So if you want an aesthetic that steals the show, we recommend a PC case with RGB lighting. RGB lighting coming out of the PC connector will make your system more impressive and attractive.


Before you buy anything, it is always important to consider your budget. These PC enclosures are available in different models and at different prices.

In this article we have listed horizontal PC cases for all budgets.


Finally, we have listed some of the best horizontal PC cases on the market. Choose a tool-free model that is compatible with the latest drives.

We hope this article will help you choose the right horizontal PC case. Before you make a final decision, read the buying guide.

frequently asked questions

How big should a horizontal PC case be?

Well, this question depends on the size of your motherboard. If you have a large PC, it supports a huge E-ATX card that takes up a lot of space and requires a large PC case.

Smaller cabinets are equipped with Mini-ITX motherboards and limit other components such as large graphics cards. The medium PC enclosure is a much more common choice, supporting all ATX and E-ATX cards.

So yes, size matters. Make sure you make an informed decision based on the size of your PC’s components.

frequently asked questions

Who makes the best computer cases?

News, updates, best practices…

Which PC case has the best airflow?

News The best cases for ether

What is the best budget PC case?

The best wardrobes for less than 50 euros.

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