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This is how much it costs to get a custom-built RTX 5090 PC…

This is how much it costs to get a custom-built RTX 5090 PCWant to get a custom PC that has NVIDIA’s new flagship RTX 5090 GPU in it? Here’s what it will cost you…

It’s currently very difficult to find one of NVIDIA’s new RTX 5090 graphics card in stock. Online retailers like Amazon, Newegg, BH Photo & Video, and NVIDIA’s own website, are all sold out of the next-gen graphics card.

And, stores like Micro Center and Best Buy can’t restock fast enough to meet the demand for the 5090.

However, there is ony surefire way to get your hands on a brand new RTX 5090… you’ll need to buy an entire system that comes with one.

There’s two ways to get an RTX 5090-based PC. You can either buy one prebuilt (we’ve already covered the best RTX 5090 prebuilt options), or you can get a custom-built PC that has an RTX 5090 in it.

In this post, we’ll take a look at how much it will cost you to get an RTX 5090 PC built for you from a handful of the top custom PC companies.

We’ll start with the cheapest possible RTX 5090 configurations for each company, list a more balanced version, and then also a version that combines the much sought-after Ryzen 7 9800X3D processor with the 5090.

Of course, you can customize the systems these companies offer even further, but for the sake of clarity, we’ll stick to those three configuration types.

1. Origin PC

Estimated Shipping: 29-31 days

Configure an RTX 5090 System

Origin PC Lineup

Origin PC offers the RTX 5090 in their Genesis and Neuron series of PCs.

The cheapest possible configuration to get the RTX 5090 comes from the Neuron series. It costs roughly $5,000 (before taxes) and comes with an Intel Core i5-14600K processor, a Z790 motherboard, 32GB of Corsair’s Vengeance RGB DDR5 6400MHz memory, a Corsair iCUE Titan Link 240mm AIO, a 1TB Gen 4 NVME SSD, and a 1200-watt Corsair power supply.

If you want to combine the RTX 5090 with the also-difficult-to-find Ryzen 7 9800X3D processor, the lowest price from Origin for that CPU/GPU combo is ~$5,250 (before taxes). It’s the same hardware configuration as listed above, but it swaps out the 14600K with the 9800X3D and an X670 chipset motherboard.

One thing to note about Origin PC’s RTX 5090 systems is that they force you into a 1200-watt power supply whereas other custom builders will allow you to configure their RTX 5090 builds with as low as an 850-watt power supply—which probably isn’t ideal as NVIDIA themselves recommend at minimum a 1000-watt power supply for the 5090.

So, when comparing the minimum prices of each custom PC builder, make sure you consider the extra cost for an appropriate PSU.

Origin PC does have one of the faster estimated ship times on an RTX 5090 desktop at just 29-31 days. And, they offer financing options on their systems through WeGetFinancing.

2. Xidax

Estimated Shipping: N/A

Configure an RTX 5090 System

Xidax PC Lineup

Xidax’s cheapest possible RTX 5090 configuration is available through their X-6 series of PCs.

That configuration costs ~$4,400 (before taxes) and comes with an AMD Ryzen 5 7600X processor, a B650 chipset motherboard, Xidax’s brand of 16GB 5600MHz memory, an air cooler from Xidax, a Xidax 1TB Gen 3 NVME SSD, and a Xidax-branded 850-watt power supply.

While this configuration costs a lot less than Origin PC’s cheapest possible 5090 system, that’s mainly due to Xidax’s willingness to offer lower-tier components than Origin PC does. For starters, Xidax probably shouldn’t allow users to configure a 5090-based system with an 850-watt power supply, but they do and that brings the cost of their system down a bit.

Xidax’s cheapest configuration also comes with a mid-tier B650 chipset motherboard, half the memory (that operates at slower speeds as well), an air cooler (instead of a 240mm AIO cooler), and a Gen 3 SSD.

If you wanted to match Origin PC’s configuration through Xidax (with a 14600K, Z790 motherboard, a ~1200-watt PSU, and a 240mm AIO cooler), that will run you ~$4,850 (before taxes). So, a bit cheaper for the same configuration, but for some reason you’re still stuck with a Gen 3 NVME SSD, as that is the only generation of NVME SSDs Xidax offers.

And, if you wanted to swap from the 14600K to the 9800X3D, you can get that configuration from Xidax for ~$5,100 (before taxes).

So, Xidax does have slightly lower costs than Origin PC for similar configurations. But, it should be noted that, where Origin PC uses Corsair components for their cooler, SSD, and power supply, Xidax uses their own in-house brand for those components.

That doesn’t necessarily mean that those components are bad, and it could be that they are made by reputable manufacturers and just private labeled to Xidax’s branding. But, it’s important to note nonetheless, as you can be sure of who makes Origin PC’s components.

Unfortunately, Xidax doesn’t give an estimated shipping time, but they do offer 0% financing options through Affirm and Bread Pay.

3. Maingear

Estimated Shipping: 2 Months

Configure an RTX 5090 System

Maingear PC Lineup

Maingear’s cheapest RTX 5090 configuration comes through their MG-1 series of desktops.

For ~$4,400 (before taxes) you get an AMD Ryzen 5 9600X processor, a B650 chipset motherboard from MSI, 16GB of Teamgroup’s T-Force Delta 6400MHz DDR5 memory, a Cooler Master Hyper 212 air cooler, a 1TB Gen 4 NVME SSD from Teamgroup, and an 850-watt power supply from MSI.

So, again, Maingear offers a cheaper configuration than Origin PC, but does so by allowing users to select a lower-tier motherboard, half the memory, an air cooler instead of an AIO cooler, and an 850-watt power supply.

If you want a similar configuration to Origin PC’s cheapest build from Maingear, that will run you about ~$4,800 (before taxes).

And, if you want to build a 9800X3D/5090 system through Maingear (similar to the one we configured from Xidax and Origin PC), that will cost you about ~$5,100 (before taxes).

So, Maingear has similar pricing to Xidax. However, the downside of Maingear’s configurations is that they are currently looking at ~2-months to ship. So, even they are likely having problems getting their hands on the RTX 5090.

Maingear offers financing options through Bread Pay as well.

4. Digital Storm

Estimated Shipping: 30-35 days

Configure an RTX 5090 System

Digital Storm PC Lineup

Digital Storm’s cheapest RTX 5090 configuration can be had through their Corsa series of desktops.

You can actually get an RTX 5090 desktop from Digital Storm for as low as ~$3,900 (before taxes), but that configuration only comes with an Intel Core i5-12400F processor—which would be a silly CPU pairing for the 5090.

For a slightly more reasonable setup, and one that compares better to the other custom PC builders cheapest RTX 5090 configurations, you can get a Ryzen 5 9600X processor, a B650 chipset motherboard, 16GB of Kingston Fury’s 5200MHz memory, a generic single tower air cooler, a 1TB Gen 3 NVME SSD, and a 1000-watt Digital Storm-branded power supply all for ~$4,100 (before taxes).

Still, that system is lacking with the B650 chipset motherboard, the 16GB of RAM, the generic air cooler, and the Gen 3 SSD. If you want an X670 motherboard, 32GB of RAM, a 240mm AIO cooler, and a Gen 4 SSD, the configuration will cost you ~$4,400 (before taxes).

And, if you want to add the 9800X3D to your build to combine the best gaming CPU with the best gaming GPU, you’ll need to pay ~$4,700 (before taxes).

Digital Storm has an estimated ship time of 30-35 days, so a bit quicker than Xidax and Maingear, but slightly longer than Origin PC.

You can also get financing from Digital Storm through Bread Pay, with payment plan lengths of 6, 12, 24, and 36 months.

Which Company Has the Best Deal on A Custom-Built 5090 System?

All of these companies offer similar configurations at similar price-points. Origin PC’s configurations are a little pricier, but they also have the fastest ship time.

Xidax’s, Maingear’s, and Digital Storm’s systems are cheaper than Origin PC’s, but they use in-house branded power supplies, CPU coolers, and SSDs, whereas Origin PC features Corsair components. Again, the in-house branded components that those companies use could just be private labeled components from reputable manufacturers, but in our opinion, Origin PC using Corsair components gives it a slight edge in perceived trustworthiness.

Digital Storm also offers the cheapest configuration that combines the 9800X3D and RTX 5090, and its ship times are only slightly slower than Origin PCs.

Also, we didn’t compare extra features like warranties or tech support and those options could be a deal maker (or breaker) for you.

The bottom line, though, is that these custom PC builders currently offer the most reliable way to get your hands on an RTX 5090.

Brent Hale TechGuided.com

Hey, I’m Brent. I’ve been building PCs and writing about building PCs for a long time. Through TechGuided.com, I've helped thousands of people learn how to build their own computers. I’m an avid gamer and tech enthusiast, too. On YouTube, I build PCs, review laptops, components, and peripherals, and hold giveaways.

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