Fastest PC Build Guide — Full Breakdown & Transcript

How Expensive is the Fastest PC of 2026?

0h 01m video Published Sep 26, 2026 Transcribed Sep 26, 2026 Linus Tech Tips Linus Tech Tips
1.2M views Recent velocity 8,162.3 views/hour View full performance history →
Intermediate 2 min read For: PC enthusiasts and builders looking to assemble a high-performance system with current top-tier components.
AI Trust Score 75/100
⚠️ Average / Some Fluff

"Delivers exactly what the title promises — a quick, honest rundown of the fastest PC build."

AI Summary

The video presents a guide to building the fastest PC currently possible, focusing on key component choices. It highlights the Ryzen 9 9950X3D2 CPU, optimized RAM, and a powerful GPU, emphasizing performance and compatibility.

[00:00]
CPU Selection

The Ryzen 9 9950X3D2 has 16 cores with AMD's 3D V-Cache, making it suitable for any task.

[00:16]
Motherboard Features

Motherboard priorities are PCI Express Gen 5 and high-speed connectivity, which don't directly speed up games.

[00:16]
RAM Optimization

The G.Skill RAM runs at 6,000 MT/s CL26, which syncs with the CPU's Infinity Fabric for better optimization.

[00:33]
Storage Choice

Storage uses a Gen 5 SanDisk drive with its own DRAM cache.

[00:33]
Case and Cooling

The Fractal Meshify 3 XL case supports GPUs up to half a meter long and water cooling, including a 420mm Noctua radiator.

[00:50]
Power Supply and GPU

A 1600W Seasonic power supply is chosen to support the MSI Lightning RTX 5090, which needs a 1000W power budget.

The video provides a concise, component-by-component guide to building a top-tier PC, emphasizing optimization and compatibility over raw specs.

Mentioned in this Video

Tutorial Checklist

1 00:00 Select the Ryzen 9 9950X3D2 CPU with 16 cores and 3D V-Cache.
2 00:16 Choose a motherboard with PCI Express Gen 5 and high-speed connectivity.
3 00:16 Install a 6,000 MT/s CL26 RAM kit that syncs with the CPU's Infinity Fabric.
4 00:33 Add a Gen 5 storage drive with its own DRAM cache.
5 00:33 Use a case that supports large GPUs and water cooling, like the Fractal Meshify 3 XL.
6 00:50 Install a 1600W power supply to handle the GPU's power requirements.
7 00:50 Mount the MSI Lightning RTX 5090, which needs a 1000W power budget.

💡 Key Takeaways

📊

CPU Choice

The Ryzen 9 9950X3D2 with 3D V-Cache on all 16 cores is a key differentiator for performance.

🔧

RAM Optimization

Choosing RAM that syncs with the Infinity Fabric is a smart optimization over raw speed.

00:16
📊

GPU Power Demand

The RTX 5090's 1000W power budget highlights the extreme power requirements of modern GPUs.

00:50

[00:00] Fastest PC you can build right now starts with the Ryzen 9 9950X3D2. All 16 of its cores have AMD's legendary 3DV cache, so it's well-equipped for really anything. For our motherboard, the main things we were looking for are PCI Express Gen 5 and high-speed connectivity.

[00:16] Other than that, it doesn't make our games faster. But the same cannot be said for our RAM. This is a 6,000 megatransfers per second CL26 kit from G.Skill. Does it run at the highest megatransfers per second? No. But what it does do is sync with the infinity fabric of our CPU, making it really well optimized.

[00:33] For storage, we chose a Gen 5 drive from SanDisk that has its own DRAM cache. And for our case, we've gone with the Fractal Meshify 3 XL. This monster can hold GPUs that are up to half a meter long. It can also hold plenty of water cooling, including this sick 420 millimeter radiator unit from none other than Noctua.

[00:50] Finally, we've chosen a 1600 watt power supply from Seasonic because finally, finally for our GPU, we've got the MSI Lightning RTX 5090, which needs a thousand watt power budget.

[01:04] Everything is absolutely maxed. Look at that lighting.

More from Linus Tech Tips

View all

⚡ Saved you 0h 01m reading this? Transcribe any YouTube video for free — no signup needed.