Best External GPU (Buying Guide & Review 2018 Updated)

A gamer knows the value of a quality graphics card performance for playing all intense graphics games. Most of the gaming computers are customizable and you can upgrade your computer’s graphics anytime. GPU  stands for Graphical Processing Units. Now the question arises is why do you need them? When the storage of graphics card your computer is not enough for intense graphics gaming then you can add an external GPU. This will provide you with better graphics performance. By using better, bigger graphics can improve graphics your system according, this sounds great. But choosing the Best External GPU for your is not that easy. You need to do your research homework for that. There are certain parameters associated with the best selection and we have come up with a few top best external GPUs.

Present-day Best External GPUs

There are so many gamers out there searching for ways to make their gaming experience better and more comfortable. The market is also full of varieties with improvement in the gaming industry. There are many promising brands out there to trust. All the new games launching these days perhaps can’t work with your old GPU. So, you need to upgrade it. There are various models in which you have to fit your need for connectivity, portability, display, quality features to find your best external GPU. Also, external GPUs are a little on the expensive side. So, set your budget and research accordingly.

Why should you buy an external GPU?

Using a best external GPU with your system can totally change the game. Most of these external GPUs are attached to a dock. And the dock is consist of a PCIe port where the graphics card is inserted and this can be connected to your system with a cord. You will be able to play games or execute a few apps that you were not being able to do with your earlier graphics. There are many facts that proved that GPUs features a huge boost in graphics.

10 Best External GPUs currently

Out of many options out there we have selected from GPU Hierarchy chart, tested and tried the 10 best external GPUs for your ease in selection.

  1. Gigabyte AORUS Gaming Box
  2. Alienware Graphics Amplifier (9R7XN)
  3. Akitio Node – Thunderbolt3 eGPU
  4. Sonnet eGFX Breakaway Box, Thunderbolt 3-to eGPU PCIe Card Expansion System
  5. Asus ROG XG Station Graphics Dock
  6. Akitio Thunder2 PCIe Box
  7. Thunder3 Quad X
  8. Akitio Thunder3 Duo Pro Thunderbolt3
  9. Razer Core V2- Thunderbolt 3 External Graphics Enclosure
  10. Node-Lite (Thunderbolt 3 PCIe Expansion Box)

How we picked these 10 for you

In order to select the best external GPUs out of so many presents with different specifications and prices, we did a whole long process. First of all, we did a survey and analyzed what consumer needs and what market is providing from pcgamer’s gup guide. Then we sort listed a few products and tested them under different conditions. Then we selected top then products and ten of them were tried by our researchers and some hardcore gamers. And then we came up with this 10 top external GPU.

Why you should believe in this article

Before we get into the detailed description of these 10 top gaming GPUs it is important that our readers trust us. All of this information is provided after weeks of testing and trials of products and the facts are revised many times. The reviews are genuine and not over-hyped. Also, all these products been through a lot to be on this list and totally worth your price.

Top 10 Best External GPU in 2018 reviews

Its every gamer dream to have the best gaming experience and always improve their gaming experience. Good display of games has got a lot to do with this. External GPUs can improve your gaming experience entirely. The products mentioned below are totally deserving to make up to your list and deserve your attention.

Top1: “Gigabyte AORUS Gaming Box” reviews

Best Gigabyte AORUS Gaming BoxThis one needs to be here on top of this list. The Gaming box consists of everything you will need to install external GPU to your system, that’s it one unique point. By everything, I seriously mean everything, it’s like a GPU already installed in abox. It features a Gigabyte GTX 1070 which is already plugged into the admitted PSU. The box consists of a PSU cable, a Thunderbolt cable, an enclosure, a carrying case and also a driver CD. The whole thing is pressed into a small case, its compact. This is surely an eye-catching product with easy installation. The Graphic card fully supports 4K and VR rendering. It will connect to your computer through 3.0 USB fast thunderbolt which can transform speed very fast up to 40 Gbps. It features 1 HDMI port, 2 DL DVI-D ports, and display port.


  • The graphics card included are high-end and high-quality
  • Compact and lightweight
  • Easy installation with all the things already present in the box
  • It has various connectivity options
  • It has anomalous portability


  • Upgrading potential is very limited

Gigabyte is an old and trustworthy brand. The Arous Gaming box by Gigabyte is a box consisting of everything you need to upgrade your graphics game. The metal box with a transparent mesh is totally deserving to this list and you should surely consider this if you are looking for an external GPU.

Top 2: “Alienware Graphics Amplifier (9R7XN)” review

Best Alienware Graphics Amplifier (9R7XN)Second on the list is Alienware Graphics Amplifier (9R7XN). This one is a well built, a little inexpensive and supports a variety of GPUs. However, this graphic amplifier only supports the Alienware devices which is the biggest drawback of this. You need to opt for a proprietary connector for enclosure of Alienware. But this connector works better as compared to Thunderbolt 3. So, the deal is worth it managing the drawback for good graphics. With any modern GPU in future, you don’t have to worry about bandwidth issue if you choose this one. It doesn’t come up with an included GPU you have to buy one separately. Although it is extensible in that case, it can hold many ranging from GTX 600 to Radeon HD 5000 graphics card. This is what we expect from a good graphics amplifier. The built-in power supply is 460 watts flexible with almost all graphics cards.


This graphics amplifier is versatile about the GPU support. It supports a variety of different GPUs.

It is equipped with more than sufficient PSU.

The graphics amplifier has a great potential for upgrading anytime.


The biggest drawback of this one is that is works only with Alienware devices.

It lacks portability.

Alienware is also an old trusted brand which is now acquired by Dell. Unfortunately, it has a big drawback that it works only with Alienware laptops but if it is still making to the second position of this list then it really got some strength.

Top 3: “Akitio Node – Thunderbolt3” reviews

Best External Graphics CardThis one is an interesting product to read about. This works with both on Windows as well as Mac. It has a very minimal, clean and sharp design. Even after it works seamlessly great with both Windows and Mac the brand believes in very minimal advertising. This one also features a Thunderbolt 3 external GPU and is very affordable. Any graphics card you choose with it will never starve for bandwidth due to the presence of Thunderbolt 3. It doesn’t come with its own graphics card yo have to buy one separately. It features a powerful 400W PSU so that every graphics card can fit in. Considering the size of the case, it seems to be designed for high-end GPUs. The connectivity options are limited. It consists of a single Thunderbolt 3 port which you can connect to your computer. The device weights for about 15.2 pounds and that too without a graphics card. This is really massive and heavy which is a little inconvenient.


It can support biggest, powerful, high-end graphics cards.

It completely supports both Nvidia and AMD Graphics card units.

This one is comparatively less pricey.


The system is very big and massive which makes the situation little inconvenient.

It has a little loud built-in fan

You can definitely go for this one if you have your eye on some big, high-end graphics card. It has all expected specifications at an affordable rate.

Top 4: “Sonnet eGFX Breakaway Box, Thunderbolt 3-to eGPU PCIe Card Expansion System” reviews

Best Sonnet eGFX Breakaway Box, Thunderbolt 3-to eGPU PCIe Card Expansion SystemSonnet eGFX Breakway box is another great option you can go for if you are searching for an external GPU option. It has an amazing build quality, supports a variety of GPUs, has an affordable price. It has a blue LED on the front section which adds to the nice, subtle look of the system. It already has a Thunderbolt 3 cables you don’t have to buy it separately. Yes, but it doesn’t come with an installed GPU that you have to buy separately. It offers a massive panel for ventilation so that your graphics card won’t overheat. Also, it supports both Windows and Mac. It has an Intel DSL6540 Thunderbolt 3 controller and an Enermax 650W SFX PSU. It supports up to 375W cards and requires up to 100W of peak power. It is equipped with one PCIe slot and can acquire full-height, full-length, double-width PCIe card. This one also very heavy and massive.


It can go well with power hungry cards with great power supply.

Works for both Windows as well as Mac.

Supports a massive range of GPUs.


It is really heavy and massive

Probably not the most good looking or fancy device but it is safe to bet. This offers the best power supply and you can the definitely upgrade the GPUs anytime.

Top 5: “Asus ROG XG Station Graphics Dock” reviews

Best Asus ROG XG Station Graphics DockThis one is a little advanced in technology and almost like a full computer missing some internals. It is equipped with a 600W PSU on board, ethernet, 5 USB 3.0 ports and also an external thunderbolt connector. The Asus ROG XG Station Graphics doc has its own I/O its not just another graphics booster for laptop or computer. It doesn’t consist its own graphics card but when attached with a good graphics card it is a computer of its own. Though this one is on the expensive side due to more advanced in technology. It has a spacious interior for any full-size graphics card. It officially supports both AMD and Nvidia GPUs. Also, ASUS ship these GPUs with or without the card installed that makes the process very convenient. This one is also consist of Thunderbolt 3 port allowing fast speed.


The power supply is amazing and can hold all high power consuming graphics card.

It supports all latest GPUs. Also, all massive ones due to the spacious interior.

It has a dual GPU setup.


Difficult to transport as it is heavy and massive.

Pricey due to high in technology.

This one is an attention-grabbing design as it supports all the latest GPUs and has dual GPU setups. Overall, this is a great option but only if you have a great budget.

Top 6- Akitio Thunder2 PCIe Box

Best External GPUData storage has become one of the major issues in today’s world. There is too much data and there never seems to be sufficient space to store it. Although it is extremely required, very few products are available in today’s market which helps the user do this very task. This is where the Akitio Thunder2 PCIe Box – Not intended for the use of Graphic Cards enters.


  • Highly efficient for external graphics card set
  • Extremely fast
  • High storage
  • Ability to work with native power banks
  • Portable


  • Very expensive
  • Not Economical
  • Limited to some specific countries

Bottom Line

This product is very helpful for people who have a lot of data in, especially in graphics format and wish to store it in a place which would keep this data secure. This is extremely true for companies, especially those specializing in the field of gaming. This is because of the fact that they would have a lot of data related to graphics which have to be stored in one secure place. This would also enable them to invest their money into one particular asset out of which they can easily extract data whenever required. For gaming companies or any big company which needs a device to hold such a large amount of data, the investment would be very less compared to what they would have to spend on another type of database.

Top 7- Thunder3 Quad X – Enclosure Only (MacOS and Windows Certified) Review

Best Thunder3 Quad X - Enclosure Only (MacOS and Windows Certified)The increasing demand for a product like this is what makes the Thunder3 Quad X – Enclosure Only (MacOS and Windows Certified) so popular. This is because this product can work and gel well with iOS as well as Windows. Thus, it is suitable for any kind of laptop or for any exportation of data from one device to another. It is highly preferred by most of the corporates, especially for gaming due to the very fact that such a huge amount of data can be stored in one place.


  • Suitable for all types of operating systems
  • Excellent for gaming purposes
  • Smooth functioning
  • Understands the needs of the customers
  • High storage
  • Effective performance


  • Extremely expensive

Bottom line

For large companies who have a lot of data to store, especially hardcore gaming companies who need a product which could store their data without loss in any quality of their graphics, this product is the one which they should invest in. This product will fulfill all their needs and will be seen as an investment for the years to come. Thus, companies must understand the increasing concerns of data storage and must look upon this product in order to improve their quality as well as storage space.

Top 8- Akitio Thunder3 Duo Pro (Thunderbolt3 – Enclosure Only) – WINDOWS ONLY: Currently not supported by Mac

Best Akitio Thunder3 Duo Pro (Thunderbolt3 - Enclosure Only) - WINDOWS ONLY: Currently not supported by MacFor any company in today’s world, especially one which wishes to target the gaming sector of our generation, it is extremely important to store their data in such a way that the quality of it does not deteriorate. Companies all over the world have realized the importance of this and have understood the increasing value that must be given to the products which make this particular task happen. External GPU has become extremely popular and is thus wanted by most of the companies. This is where the product Akitio Thunder3 Duo Pro comes into play. This product has thrice the speed than that of a similar product. The speed is up to 40 Gbps.


  • Extremely fast
  • High storage
  • Efficient


  • Not available for Apple users
  • Expensive
  • Software limited to very few types of operating systems
  • Complicated setup

Bottom line

This product has been doing extremely well in the market. Eight out of the nine people who have purchased it have been extremely satisfied with it. Most of the users have expressed a lot of appreciation towards this product. The only shortcoming of this particular product is the fact that users have found the setup process to be slightly complicated. Overall, this product has been doing extremely well in the market.

Top 9- Razer Core V2- Thunderbolt 3 External Graphics Enclosure

Best azer Core V2- Thunderbolt 3 External Graphics EnclosureAs we live in a generation where gaming is seen as a religion, it is important for companies to understand the significance that the data, as well as graphics, hold while their customer is gaming. However, due to the fact that the graphics, as well as the games, are extremely large in size, a proper product or device is needed in order to store as well as to transmit the data that is available. This is what the Razer Core V2- Thunderbolt 3 External Graphics Enclosure does. It stores the data and transmits it in such a way that it changes one’s entire gaming experience.


  • High speed
  • Enhances gaming experience
  • Easy to set up
  • Can hold more power


  • Extremely expensive
  • Few bugs
  • Limited to few sections of the society

Bottom line

Overall, this product is one of the best of its types in the current market. This is because of the fact that this product tries it’s very best to overcome all the drawbacks faced by other similar products. Only one fault has been found in this product so far and that is the fact that one or two bugs appear once in a while. This seems to disrupt the experience by a second. However, the company is working on improving these bugs so as to give their customers the best gaming experience that there is. It can also be noticed that this product is very expensive when compared to the rest of the similar products. Therefore, it is limited to very few sections of the society.

Top 10- Node-Lite (Thunderbolt 3 PCIe Expansion Box) – MacOS and Windows Certified

Best Node-Lite Thunderbolt 3 PCIe Expansion Box) - MacOS and Windows CertifiedGaming has become an integral part of everyone’s lives. So has data storage. In today’s world where so much data is always available, there never seems to be enough space to store it. This is especially true in the case of gaming companies. This is because of the fact that gaming companies today have more graphics than ever. This is because they have realized the importance that it holds and how their customers want the ultimate gaming experience without having to delete anything or without any glitches in the system. This is where the product, Node-Lite (Thunderbolt 3 PCIe Expansion Box) comes into the picture. This product is extremely fast and aims to provide one of the best gaming experiences that there is.


  • Can be operated from any kind of operating system
  • Extremely fast
  • High storage space
  • Can transmit data easily
  • Stylish


  • Extremely expensive
  • Not portable

Bottom line

Overall, this product seems to be one of the fastest selling products out there in the market. It has a great sense of compatibility along with high storage. The device is extremely fast and can transmit data easily. Along with all these advantages, it possesses an extremely stylish look which gives it a competitive advantage over the similar products that are available in today’s market. The only issue with this particular product is that it is relatively heavier in nature and thus cannot be easily moved from one place to another. However, all the benefits such as it being extremely fast and having a high storage space make up for this one issue. It is definitely one of the must-have products for gaming companies in today’s world.

There are no comments

Add yours