Prebuilt Computers – The Skytech Prism II and the CUK Mantis 3090 Build

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A prebuilt computer like the 3090 is an excellent option if you are looking for a high-end gaming machine. Typically these computers come with high-end components such as 16GB of RAM and 1TB of fast storage. However if you want to save money we recommend building your own computer. You will get better value for your money and you can customize your computer to fit your exact needs. Usually a prebuilt computer costs about the same as the components alone.

Skytech Prism II

The Skytech Prism II is one of the top-of-the-line pre-built gaming PCs on the market. It has a 12th-gen Intel Core i9 CPU and Nvidia RTX 3090 GPU a sleek design and upgradeable components. If you are looking for an ultra-quiet PC that can handle all of your productivity tasks and even play games this is the model for you.

The Skytech Prism II has a nice clear glass side panel three fans and a top-mounted radiator. You’ll have plenty of ports and wires to plug in your peripherals and the case is organized neatly. There are plenty of ports including a USB-C port and two USB-A ports. You also get an Ethernet port PS/2 port and HDMI and DisplayPort connections.

CUK Mantis

If you are looking for a prebuilt gaming PC the CUK Mantis 3090 build is an excellent choice. It features a 10th generation Intel Core i9-10900KF processor with a base clock speed of 3.7 GHz and a boosted clock speed of 5.3 GHz. Aside from its gaming-oriented configuration this system is also well-suited for multi-tasking and is a perfect choice for those who spend a lot of time in front of a monitor.

The CUK Mantis 3090 build comes with a high-end RTX 3090 gaming PC. This system also features an Intel Core i9-12900KF processor 64GB of DDR4 memory a 1TB SSD a secondary 2TB hard drive and a Gold-rated 850-watt power supply. The case is made of tempered glass and includes an AIO cooling unit. It can also support up to 4K gaming.


An EVGA XC3 BLACK 3080 video card with a RTX 30-Series GPU is a powerful addition to any gaming system. Its powerful architecture supports OpenGL 4.6 RT Cores and Vulkan RT API. It also features variable refresh rates and supports up to 4K 120Hz HDR. EVGA’s iCX3 Technology monitors every sensor on the graphics card giving you an edge over your competition.

A custom-built heatsink is another great feature of the EVGA XC3 Black. The EVGA 3080 Ti has a 1080p display while the EVGA 3090 has a full 12GB GDDR6X memory. This EVGA graphics card is compatible with PCI Express 4 and supports dual-channel memory switching. EVGA has designed a FTW3 thermal pad that is 3mm thick and has custom thermals.

AMD Ryzen 9 5950X

The AMD Ryzen 9 5950X is the bottleneck of this build with the NVIDIA GeForce RTX 3090 acting as the graphic card. When both cards are in use the processor is utilizing 100% of the CPU’s resources while the graphics card is only using 99.8% of its capacity. If this is the case your graphics card won’t be experiencing its maximum performance and you won’t experience high frame rates or smooth gaming.

If you want a powerful gaming PC but aren’t ready to spend the extra money a cheaper option is the Skytech Prism II. This gaming PC comes with an AMD Ryzen 9 5950X processor 32GB of RAM and a 1TB SSD and can run most games at max settings. The AMD RTX 3090 is an extremely powerful video card and is a great option if you’re a gamer.

Intel Core i9-11900KF

The latest Intel Core i9-11900KF is a powerful 8-core processor with hyper threading and a maximum clock speed of 5.3GHz. It features 16 threads and supports hyper threading which boosts single-thread performance. In our power tests we found the Intel Core i9-11900KF to consume more than 200 watts. In comparison AMD’s 5950X only used 113 watts.

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