If you’ve been holding off on building a new PC for a while, now is actually a really good time. AMD’s release of the Ryzen 3000 series means that you have a host of excellent new CPUs to base your build around, and the Ryzen 9 3900X is one of the higher-end options.

It’s an unlocked 12-core processor that can pretty much handle anything you throw at it. To help you see what kind of system you can build around it, below we’ve got one of the best Ryzen 3900X build you can assemble below. This Ryzen 9 3900X PC build could also be used as a basis or template. You can either you this 3900X build as is or you can subsitute components to develop your own version and style if you so wish.

  1. $2000 Ryzen 9 3900X Build

Build Components

CPU:
Ryzen 9 3900X AMD Ryzen 9 3900X 12-core, 24-Thread Unlocked Desktop Processor with Wraith Prism LED Cooler
Motherboard:
ASUS ROG Strix X570-E ASUS ROG Strix X570-E Gaming ATX Motherboard with PCIe 4.0, Aura Sync RGB Lighting, 2.5 Gbps and Intel Gigabit LAN, WiFi 6 (802.11Ax), Dual M.2 with Heatsinks, SATA 6GB/S and USB 3.2 Gen 2
GPU:
Nvidia GeForce RTX 2080 Super GIGABYTE GeForce RTX 2080 Super GAMING OC 8G Graphics Card, 3x WINDFORCE Fans, 8GB 256-Bit GDDR6, GV-N208SGAMING OC-8GC Video Card
RAM:
Corsair Vengeance LPX 16GB (2x8GB, 3600Mhz) Corsair Vengeance LPX 16GB (2 X 8GB) DDR4 3600 (PC4-28800) C18 1.35V Desktop Memory - Black
Storage:
Sabrent Rocket 1TB NVMe PCIe M.2 Sabrent 1TB Rocket NVMe 4.0 Gen4 PCIe M.2 Internal SSD Extreme Performance Solid State Drive (SB-ROCKET-NVMe4-1TB)
Power Supply:
Seasonic FOCUS Plus 650 Gold SSR-650FX Seasonic FOCUS Plus 650 Gold SSR-650FX 650W 80+ Gold ATX12V & EPS12V Full Modular 120mm FDB Fan 10 Year Warranty Compact 140mm Size Power Supply
Case:
NZXT H510 Elite Nzxt H510 Elite - Premium Mid-Tower ATX Case PC Gaming Case - Dual-Tempered Glass Panel - Front I/O USB Type-C Port - Vertical GPU Mount - Integrated RGB Lighting - Water-Cooling Ready - Black

Build Features

  • Fantasitic for 1080p, Great for 1440p, and good for 4k gaming
  • Great for 720p and 1080p streaming
  • Fantastic for content creation, computationally demading applications and tasks, and multitasking: including 4K video editing, photo editing, 3D rendering, and other forms of multimedia
  • Customizable and great upgrade path
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Build Overview:

CPU: Ryzen 9 3900X
AMD Ryzen 9 3900X 12-core, 24-Thread Unlocked Desktop Processor with Wraith Prism LED Cooler

AMD’s Ryzen 9 3900X is one of the more expensive models from the latest release, which makes it ideal for higher-end builds. This CPU a true powerhouse, boasting twelve cores and twenty-four threads. It’s excellent for gaming, but it’s also a great pick for multithreaded workloads such as streaming or video editing.

It’s made on a 7nm FinFET process and has 64MB of L3 cache. The base clock is a fairly high 3.8 GHz, but if you feel like that’s not enough, the Ryzen 9 3900X can turbo up to 4.6 GHz. It’s an unlocked CPU, so with a good cooler, you can overclock it fairly high. It does come with an included Wraith Prism cooler with RGB, which does a pretty good job at keeping it cool. However, if you want to push things even further, the optional liquid cooler we’ll talk about later is a good way to go.

The 3900X supports dual channel DDR4 memory at 3200 MHz, and to take advantage of it, you’ll want to use fast memory. It has a default TDP of 105W, which actually isn’t all that bad when you consider the performance you’re getting. It sits on AMD’s AM4 socket, so you could potentially use it with an older motherboard, but an X570 is the way to go.

Motherboard: ASUS ROG Strix X570-E Gaming ATX Motherboard

ASUS ROG Strix X570-E Gaming ATX Motherboard with PCIe 4.0, Aura Sync RGB Lighting, 2.5 Gbps and Intel Gigabit LAN, WiFi 6 (802.11Ax), Dual M.2 with Heatsinks, SATA 6GB/S and USB 3.2 Gen 2

The ASUS ROG Strix X570-E motherboard is a higher-end option that’s a bit pricey, but it does manage to include just about anything you’d need. With an excellent VRM section for overclocking, as well as support for fast DDR4 4666 memory, you can push the Ryzen 3900X to its limits.

There’s a host of ports available here, from SATA3, M.2, USB 3.2 Gen 2, and you’ll also get ASUS-exclusive Aura Sync RGB lighting. There’s also ample cooling with an active PCH heatsink, MOS heatsink, and dual onboard M.2 heatsinks. All things considered, this is an excellent enthusiast option.

GPU: Nvidia GeForce RTX 2080 Super

GIGABYTE GeForce RTX 2080 Super GAMING OC 8G Graphics Card, 3x WINDFORCE Fans, 8GB 256-Bit GDDR6, GV-N208SGAMING OC-8GC Video Card

Nvidia’s update of the RTX graphics cards included the release of a few models, the most powerful of which is the RTX 2080 Super. With 8GB of GDDR6 memory and a 256-bit interface width, you’ll get a bandwidth of 496 GB/s.

The base clock of the RTX 2080 Super is 1650 MHz, but there’s a maximum boost clock of 1815 MHz, which is quite high. The GPU also includes Nvidia’s Tensor Cores, as well as Ray Tracing Cores, that gives you great visuals if the games support it.

While the RTX 2080 Super is really an excellent GPU, if you’re looking for value, you’d be much better off with something like the 2070 Super, or the newly released RX 5700 XT.

RAM: Corsair Vengeance LPX 16GB (2X8) (3600MHz)

Corsair Vengeance LPX 16GB (2 X 8GB) DDR4 3600 (PC4-28800) C18 1.35V Desktop Memory - Black

It’s no secret that Ryzen CPUs work best when you have fast memory, so the best fit for this build is Corsair’s Vengeance LPX kit that consists of two 8GB sticks, running at 3600 MHz. With an aluminum heat spreader and a custom PCB, the RAM can be overclocked easily. It also comes with XMP 2.0 support, which allows for easy one-click speed adjustment.

The low profile of the Vengeance LPX RAM means that you can use just about any CPU cooler, without it getting in the way. If you want good memory that won’t cause issues with your CPU, and you can overclock to high speeds, the Vengeance LPX kit is the way to go.

Storage: Sabrent 1TB Rocket NVMe PCIe 4.0 M.2

Sabrent 1TB Rocket NVMe 4.0 Gen4 PCIe M.2 Internal SSD Extreme Performance Solid State Drive (SB-ROCKET-NVMe4-1TB)

A fast build deserves fast storage, and Sabrent’s Rocket NVMe drive is among the fastest ones on the market. With Gen4 PCIe, you can expect speeds of up to 5000 MB/s read and 4400 MB/s write. This is as fast as solid-state drives go, and being based on Toshiba’s BiCS4 96L TLC NAND memory, it’s pretty durable too.

The Rocket also has support for SMART and TRIM commands, as well as advanced wear-leveling, error correction code, bad block management, and over-provision. You also have power management support for APST, APSM and L 1.2. It’s an excellent drive, made to take advantage of the motherboard’s Gen4 PCIe slot.

Power Supply: Seasonic FOCUS Plus 650 Gold

Seasonic FOCUS Plus 650 Gold SSR-650FX 650W 80+ Gold ATX12V & EPS12V Full Modular 120mm FDB Fan 10 Year Warranty Compact 140mm Size Power Supply

Since most of the components don’t require a lot of power to run, a 650W power supply is quite sufficient for the Ryzen 3900X build. The Seasonic FOCUS Plus is 80+ Gold rated, which guarantees it’s both efficient, and durable.

The PSU is completely modular, so cable management will be fairly easy, and you’ll get improved airflow in your system. It’s also fairly compact and comes with Seasonic’s patented three-phased thermal control. This allows the fan to achieve the optimum between silence and cooling. Last but not least, Seasonic gives you a 10-year warranty on the FOCUS Plus, which should give you quite a lot of peace of mind.

Case: NZXT H510 Elite

Nzxt H510 Elite - Premium Mid-Tower ATX Case PC Gaming Case - Dual-Tempered Glass Panel - Front I/O USB Type-C Port - Vertical GPU Mount - Integrated RGB Lighting - Water-Cooling Ready - Black

NZXT’s H510 Elite is a great PC case, with a beautiful modern design that you can’t go wrong with. It has uninterrupted tempered-glass panels, a cable management bar, and supports ATX, MicroATX, and Mini-ITX motherboards. This case has all the necessary ports including USB type-c, good airflow, HUE 2 RGB lighting channels, and more. You can also use NZXT CAM application to choose from presets or custom controls for your RGB lighting and fans. This is the perfect case for a Ryzen 3900X build.

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Operating System: Windows 10 USB Installer

Microsoft Windows 10 Home | USB Flash Drive

Windows 10 is our recommended operating system of choice because it has the best support for all the hardware that we included. It’s also the most popular OS out there, and many of the games are made primarily for it. It’s also one of the most secure operating systems as well, which should give you peace of mind.

There are also features such as Windows Hello if you want to get a biometric security sign-in device, as well as Bitlocker data encryption and Hyper-V functionality. When you’re getting Windows 10, you’ll want to go with a USB installer. It’s a lot faster to install and much more reliable than a CD.

Recommended CPU Cooler: Corsair H100i Platinum RGB

Corsair H100i RGB PLATINUM AIO Liquid CPU Cooler,240mm,Dual ML120 PRO RGB PWM Fans,Intel 115x/2066,AMD AM4/TR4 (Renewed)

If you believe the included cooler from the Ryzen 9 3900X isn’t enough, you can upgrade to Corsair’s H100i Platinum AiO. It’s a liquid cooler with two of Corsair’s great ML PRO 120mm fans with magnetic levitation and PWM. The 16 RGB LEDs are individually controlled from Corsair’s iCUE software.

In terms of cooling, the H100i does a great job of reducing the temperatures of the Ryzen 9 3900X, whether you’re running it at stock frequencies, or overclocked. The fans can run from 360 to 2,200 RPM, depending on how much is needed, and they’re incredibly quiet, regardless of the speed.

Final words

If you’re looking at getting excellent performance in both gaming and work, our Ryzen 3900X build is a great option. It’s a pretty balanced build, without compromising on any of the important aspects. It also takes advantage of the latest technologies such as Gen4 PCIe and 802.11ax Wi-Fi 6. With this build, you’ll be able to take advantage of AMD’s Ryzen 3 3900X fantastic performance in almost any scenario.

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