$4100 RTX 3090 Gaming PC: Best Build [2021]

Written By Steven Arends

If you’re confused about building an RTX 3090 gaming PC, you’ve come to the right place.

As a gamer, I know it’s hard to find the most balanced build.

Luckily, I’ve researched the topic for hours to come up with the best gaming PC build for $4100.

The build features the best 4K gaming GPU, the RTX 3090, and the best CPU, Ryzen 5950X.

I made sure you get an all-around gaming experience from the PC.

So read the whole post carefully.

Also, check out our related post on how to build a gaming PC within $700.best-4100-dollars-rtx-3090-pc-build-2021

$4100 RTX 3090 Gaming PC Build For 2021

RankAwardModelBudget
1Best CPUAMD Ryzen 9 5950X$749
2Best 360mm AIOAsus ROG RYUJIN 360 RGB AIO$300
3Best X570 motherboardASUS ROG X570 Crosshair VIII Hero (Wi-Fi)$410
4Best RGB RAMCorsair Vengeance RGB Pro 16GB 3200MHz$102
5Best powerful PSUCorsair RM1000x 1000W 80+ Gold$205
6Best dual-chamber caseLian Li O11 Dynamic XL ROG Certified (White)$230
7Best gen4 SSDSamsung 980 Pro 1TB PCIe M.2 NVMe Gen4$190
8Best 4K gaming GPUNvidia RTX 3090 Founders Edition$1500

To get the best gaming experience from the RTX 3090, it’s crucial to pair the GPU with a powerful CPU and decent motherboard. The cooling system is also important as all the components are high-end and quite powerful. Lastly, you’d also want the system to look good at such an expensive build.

At $4100, you can build a gaming PC that’ll be able to deliver the best 4K gaming experience.

So here’s the $4100 gaming PC build for 2021:

1. CPU: AMD Ryzen 9 5950X

The core component in any PC is the CPU. The AMD Ryzen 9 5950X is the best powerful CPU for both gaming and productivity.

Top highlights of the AMD Ryzen 9 5950X:

  • 16 cores and 32 threads
  • 9GHz boost clock
  • 64MB of L3 cache
  • Built on 7nm node
amd-ryzen-9-5950x

Check Today's Price of AMD Ryzen 9 5950X→

The AMD Ryzen 9 5950X is at the zenith of powerful CPUs. It has a whopping 16 cores and 32 threads, more than you’d probably need. It’s built using the 7nm node, so it’s pretty efficient.

The 4.9GHz boost clock on the CPU delivers high-performance gaming. As gaming is mostly single-core dependent, having a high boost clock surely helps. Moreover, the CPU is unlocked, so you can overclock to achieve even more excellent performance.

It has a massive 64MB of L3 cache, which is quite impressive. If you’d like to edit videos or stream, the 32 threads on the CPU will be of enormous benefit. The CPU will not be a bottleneck in these scenarios.

Not only that, the AMD Ryzen 9 5950X has support for high-frequency RAM and PCIe 4 lanes. Hence pairing the correct RAM and storage will make your system faster and snappier than ever.

Check out the difference between Ryzen 3000 and 5000 Series CPU.

CPU is one part of the PC which you’d upgrade after a long time. Hence buying one of the best CPUs in the market will pay for itself in the long run.

Overall, the CPU is one of the most powerful consumer-grade CPUs for both gaming and productivity. Pairing it with a suitable CPU cooler is mandatory as it’s a powerful CPU that emits a lot of heat.

2. CPU Cooler: ASUS Rog Ryujin 360 RGB AIO

The Asus ROG RYUJIN 360 RGB AIO is one of the best 360mm AIO for thermal performance and aesthetics.

Major features of the Asus ROG RYUJIN 360 RGB AIO:

  • 360mm radiator AIO
  • 3x 120mm Noctua IPPC PWM fans
  • 77″ Livedash OLED Panel
  • embedded fan on pump
  • ARGB lighting
asus-rog-ryujin-360

Check Today's Price of Asus ROG RYUJIN 360 RGB AIO→

The thermal performance of the AIO is super. It uses three 120mm Noctua IPPC PWM fans. Noctua fans are famous for their high airflow at low noise. Hence you get increased cooling at a low noise output.

The 360mm radiator is also highly efficient. Moreover, the pump has an embedded fan in it. It helps to cool down the CPU and blows cool air to neighboring SSD and RAM. That’s quite impressive as SSD and RAM don’t have active cooling.

The aesthetics are also on point here. The pump has ARGB lighting, which is highly configurable. The lighting is quite catchy and vivid. The radiator and the fans are black, which looks super stealthy. Also, don’t forget to check out our best fanless CPU cooler for silently operating your PC.

Here’s the unique part:

The AIO has a 1.77″ Livedash OLED panel on the pump. You can use it to display PC stats and animations.

The Asus ROG RYUJIN 360 RGB AIO has decent support from the software side too. You get FanXpert software which allows you to tweak fan curves for optimal cooling. For RGB, Aura Sync is present.

To sum up, the Asus ROG RYUJIN 360 RGB AIO is a top choice for both thermals and aesthetics. It’s a perfect choice for the Ryzen 5950X to cool down the CPU adequately and looks great too.

3. Motherboard: ASUS ROG X570 Crosshair VIII Hero (Wi-Fi)

The ASUS ROG X570 Crosshair VIII Hero is the best X570 motherboard you can get.

Notable highlights of the ASUS ROG X570 Crosshair VIII Hero:

  • ATX motherboard
  • PCIe 4.0 support
  • WiFi 6 and Bluetooth built-in
  • 5 Gbps LAN
  • Aura Sync RGB Lighting
asus-rog-x570-crosshair-viii-hero

Check Today's Price of ASUS ROG X570 Crosshair VIII Hero (Wi-Fi)→

You need to get a motherboard decent enough for the CPU to perform adequately. Since the CPU is the mighty Ryzen 5950X, you’d want the best motherboard to pair with the best CPU to get the most optimal performance.

Hence the ASUS ROG X570 Crosshair VIII Hero. Everything about the X570 motherboard is simply outstanding. From ports to VRM to cooling to aesthetics, everything is spot on.

The motherboard has a beefy cooling solution. The 14+2 power stages ensure you get stable performance. The powerful 5950X CPU is unlocked, and hence you can overclock it. In such a scenario, the mighty cooling and VRM of the motherboard will come to use.

The chipset fan has active cooling, and the M.2 slots have their heatsinks too. The black motherboard has a stealthy design, which looks incredible. To top it off, RGB lit LEDs are present here, which increase the overall look of the motherboard.

The best thing about the ASUS ROG X570 Crosshair VIII Hero is its support for PCIe Gen4. You can take advantage of it and use Gen4 SSD to get the fastest SSD performance on a consumer-grade PC. It is a game-changer once you start to use it.

It has some niche features like a clear CMOS button and BIOS flash switch, which come in handy in many ways. The number of ports in the rear IO is mind-blowing here. You get 7x USB 3.2 Gen 2 Type-A, 1x USB 3.2 Gen 2 Type-C, 4x USB 3.2 Gen 2 Type-A, 2.5G LAN port, along with Intel Gigabit LAN port.

The connectivity doesn’t end there. It has built-in WiFi 6 with Bluetooth, so not only do you enjoy high-speed LAN, you get low latency wireless connectivity too.

All in all, the motherboard is the best X570 chipset motherboard you can get and delivers impressive quality and performance. It’ll pair nicely with the AMD Ryzen 9 5950X CPU and other components of the build.

4. RAM: Corsair Vengeance RGB Pro

The Corsair Vengeance RGB Pro is one of the fastest RGB RAM on the market.

Top features of the Corsair Vengeance RGB Pro:

  • DDR4 dual channel RAM
  • 16GB (2x8GB) capacity
  • 3200MHz frequency at C16 latency
  • ARGB lighting
corsair-vengeance-rgb-pro

Check Today's Price of Corsair Vengeance RGB Pro→

A high-speed RAM makes a night and day difference to your PC. It makes the whole system feel snappier and responsive. As the 5950X CPU has support for high-frequency RAM, it’s obvious to get such RAM kits.

The Corsair Vengeance RGB Pro creates an excellent balance between high-speed performance and aesthetics. It is a dual-channel RAM with two 8GB sticks totaling 16GB.

The RAM has a high frequency of 3200 MHz, which will go a long way to ensure a responsive gaming system. At C16 latency, the timings are pretty tight, and you get low latency performance.

AMD Ryzen CPUs like the 5950X have infinity fabric. Here, high-frequency RAM increases the performance output of the CPU. Hence the Corsair Vengeance RGB Pro will help you achieve excellent gaming performance.

Also, check out some Ryzen 5 5600x  RAMs.

On the aesthetics side, the RAM is quite attractive. It has an RGB bar at the top, housing vivid, bright LEDs which are addressable. Hence you get to customize and apply patterns or effects to your liking.

Moreover, the lights diffuse pretty well, and the transition is fluid. These enhance the internal look of gaming PCs to a whole new level.

To sum up, the Corsair Vengeance RGB Pro is an excellent choice for both high-speed RAM and great ARGB lighting.

5. PSU: Corsair RM1000x

The Corsair RM1000x is top quality and reliable PSU for your expensive gaming PC.

Major highlights of the Corsair RM1000x:

  • 1000 Watt PSU
  • 80+ gold efficiency
  • fully modular
  • 105-degree Japanese capacitors
  • 0 RPM mode
corsair-rmx-series-rm1000x

Check Today's Price of Corsair RM1000x→

PSU is an integral part of a PC. As the name implies, it supplies power to all the components of your PC. Buying a reliable and high-quality PSU is mandatory as otherwise there is a risk involved. If something goes wrong with the PSU, a lot of your PC components might get damaged.

Hence the inclusion of the Corsair RM1000x. It’s a reliable PSU with a high-efficiency rating. The 1000W PSU has an 80+ gold efficiency rating, which increases the reliability and the output of the PSU.

The components used inside the PSU are of superb quality. It uses 105-degree Japanese capacitors. You’re getting the best grade components here.

Nobody likes ugly cable clutter from the PSU. Hence the fully modular cables feature of the PSU is undoubtedly praiseworthy. It helps you to build a clean and clutter-free gaming PC.

Besides, the PSU has a 0 RPM mode where it turns the PSU fan when not under load. So you get a noise-free PC experience.

Check out some of the budget modular PSU.

Lastly, the PSU is backed by a ten-year warranty which makes the PSU even more reliable and worthy of choice.

To sum up, the Corsair RM1000x offers high-quality components, high efficiency, fully modular cables, and high reliability, which makes the PSU the best choice for the build.

6. Case: Lian Li O11 Dynamic XL ROG Certified (White)

The Lian Li O11 Dynamic XL is the best ATX case for high-end PCs.

Notable highlights of the Lian Li O11 Dynamic XL:

  • full tower ATX casing
  • dual chamber design
  • ARGB strip
  • tempered glass on front and side
  • hot-swappable bays
lian-li-011-dynamic-xl-rog-certified-white

Check Today's Price of Lian Li O11 Dynamic XL ROG Certified (White)→

For a $4000 build, it’s a must to get a casing with good airflow, water-cooling features, and gorgeous design too. The Lian Li O11 Dynamic XL fits the bill perfectly.

The case has a dual-chamber design, with support for the ATX motherboard. The front has an ARGB strip that you can control from the front IO. It also syncs with other RGB components on your PC via the motherboard.

On the left side and the front, you get a tempered glass. The top and the right side have a premium aluminum construction. Together, the whole case looks and feels premium and of top quality.

The casing is very spacious on the inside due to its dual-chamber design. It has a massive 446mm clearance for the GPU, which is insane. You can install 3x 360mm radiators together, which is impressive in its own right.

Check out some of the best corsair PC Cases.

The rear chamber houses PSU cable management trays. It also has hot-swappable bays for storage, be it SSD or HDD. So you can swap your storage drives without needing to turn off the PC.

The dual-chamber layout enables you to use liquid-cooling components without much headache. You can even install a custom loop if you’re on it. The rear chamber can hide all the cables for you, leaving a clean and beautiful internal to showcase.

The front IO is decent, with ports on both the top and bottom. You get USB 3.0 ports, HD audio, and also buttons to change RGB lighting.

To sum up, the Lian Li O11 Dynamic XL is a well-designed case for high-end PC builds.

7. Storage: Samsung 980 Pro 1TB PCIe M.2 NVMe Gen4 SSD

The Samsung 980 Pro is the best SSD you can get for a gaming build.

Top highlights of the Samsung 980 Pro:

  • PCIe Gen4 SSD
  • NVMe interface
  • 1TB capacity
  • Samsung Magician software
  • DRAM cache
samsung-980-pro

Check Today's Price of Samsung 980 Pro 1TB PCIe M.2 NVMe Gen4 SSD→

A fast SSD is a must in a gaming PC. It makes the system snappy, and the games load faster. The Samsung 980 Pro is the most popular and well-received SSD.

The PCIe Gen4 SSD allows you to take advantage of the PCIe 4.0 lanes support from the CPU. The motherboard also supports the same. PCIe Gen4 is almost twice as fast as a Gen3 SSD. Hence you’d get the best read and write speeds on your gaming PC.

The SSD has a DRAM cache which makes the overall performance of the SSD better and also helps to achieve better longevity. The NAND flashes and controller used here are of high quality.

1TB capacity will be enough to store multiple games and softwares. If you need more storage, you can always add more SSD or HDD. Also, check out which SSD is better in between Samsung 980 and 970 Evo.

At such high read and write speeds, it naturally generates heat. The controller has nickel coating, and the SSD label works as a heat spreader. So thermals are not an issue here.

To monitor the health and performance of the SSD and update the firmware, Samsung has Magician software, which is quite intuitive.

Overall, the SSD is the most popular and feature-packed SSD on the market with outstanding speed. It’s a must-have for high-end gaming PCs.

8. GPU: Nvidia GeForce RTX 3090 Founders Edition

The Nvidia RTX 3090 Founders Edition is the most powerful GPU for 4K gaming.

Top highlights of the Nvidia RTX 3090 Founders Edition:

  • 24GB GDDR6X video RAM
  • 2nd generation RT cores
  • 3rd generation tensor cores
  • unique design
nvidia-geforce-rtx-3090-founders-edition

Check Today's Price of Nvidia RTX 3090 Founders Edition→

The Nvidia RTX 3090 is the most sought-after GPU from Nvidia. The performance delivers to mitigate that is mind-blowing. It delivers an authentic 4K gaming experience.

With 24 GB of the fastest video memory, you’d never run out of memory for the coming years. For both gaming and productivity, it’ll suffice.

The GPU features 2nd generation RT cores and 3rd generation tensor cores. So you get the most advanced ray tracing performance on any GPU and the best implementation of DLSS.

Ray tracing enhances the overall graphics of the game with close to real-life lighting and shadows. It makes a night and day difference if you aim for an immersive gaming experience.

The GPU is powerful enough to handle 4K resolution gaming at over 60FPS constant across most modern titles. Even with high/ultra settings, the FPS count stays above 60. Such a feat was unimaginable until the RTX 3090 was released.

Check out some cool aura sync Gpu’s.

So it’s safe to say that the Nvidia RTX 3090 Founders Edition is the best gaming GPU money can buy.

The Founders Edition card has a very unique and impressive design. It features an alternate fan and heatsink design along with a premium build quality.

For such a high-performance GPU, thermals are a big issue. You’d be happy to know that the thermal performance of the Nvidia RTX 3090 Founders Edition is pretty decent. The radiators, fans all work well together to keep the beast GPU well under high temperature.

Final Thoughts

The gaming PC build given above is the most well-balanced and premium build you can get for $4100. You’re getting the best CPU-GPU combo which will serve you well for many years.

The high-end motherboard and the spacious and premium case will enable you for further upgrades.

The fast RAM and SSD will make the whole system feel snappier and responsive.

The AIO will make sure you get a stable performance from the CPU.

Lastly, the highly reliable PSU will back all of the above components for many years.

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