Poseidon Ryzen 9 RTX 5090 Water Cooled Gaming PC
Poseidon Ryzen 9 RTX 5090 Water Cooled Gaming PC

Every detail counts
Our system engineers rigorously test every PC, making sure it's fully optimised and ready to go

World-class support
We've got your back with our customer care - from order updates to troubleshooting

5 year warranty
Our PCs are built to last. Just in-case anything goes wrong, we include an industry leading 5 year warranty
The pinnacle of PC gaming
Elevate your game and reach the pinnacle of PC gaming with the Posiedon RTX 5090 water cooled PC.
Engineered for those who demand more. Experience more power, more speed and more possibilities. Experience next-level immersion as you conquer even the most demanding titles with ease.
Silent power, liquid cooled
Stay cool under pressure with advanced water cooling that ensures peak performance whether you’re gaming at max settings or rendering intensive projects.
Statement design
This statement piece boasts a panoramic view of your meticulously crafted liquid cooling system, while subtle RGB lighting illuminates the internal beast.
Uncompromising performance
Powered by the latest RTX 5090 GPU and Ryzen 9 9950X3D CPU, it smashes limits in gaming, content creation, and beyond.
The power inside
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NVIDIA RTX 5090
With the cutting-edge NVIDIA RTX 5090 graphics card, experience games you love and discover new worlds in a way you never thought possible.
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AMD Ryzen 9 9950X3D
With AMD's innovative 3D V-cache, the Poseidon shrugs off even the most intense workloads. Focus on your next victory, not on system lag.
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ROG Strix motherboard
The beating heart of the Poseidon: experience lightning-fast responsiveness with support for PCIe Gen5 and Wi-Fi 7.
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64GB DDR5 memory
Obliterate multitasking bottlenecks, ensuring smooth sailing no matter how many demanding applications you throw at it.
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Superfast 4TB SSD
Expansive open worlds and massive libraries all find their home here, accessible at breakneck speeds. Stay in the game, not waiting on it.
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Platinum power supply
The ASUS ROG Strix 1200W Platinum PSU delivers ultra-efficient power - keeping your PC cool and stable without breaking a sweat
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World-class water cooling
Your processor and graphics card perform best at cooler temperatures - delivering better frame rates and quicker render times.
The Chillblast Poseidon keeps its cutting-edge components running at lower temperatures, even under heavy workloads. By using precision-engineered cooling loops, we help your components avoid thermal throttling — so they can sustain higher speeds and maximum performance.
Water cooled heritage
At Chillblast, we don’t just build water cooled PCs - we’ve been perfecting them for over a decade. We've learned that performance only happens when precision, care and experience come together.
Every Chillblast water cooled PC is hand-built to order, and goes through rigorous testing to make sure it exceeds expectations.
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Keep your cool
Water cooled PCs require regular maintenance to maintain peak performance.
Chillblast water cooled PCs come with our water cooled care service as standard. Every 12 months we'll flush, clean, and re-test your water cooled PC.

Flush and refill

Clean and polish

Performance testing

5-year warranty

Water Cooled Care +
You can upgrade to our enhanced care service, including:
- A full system strip down and reassembly
- Flush and refill with new coolant
- Opportunity to change coolant colour
- Radiators removed and flushed, to remove any build-up
- Water blocks dismantled and cleaned
- New thermal pads and compounds to maximise cooling power
- Replacement pipework if there's any discolouring
- Door-to-door collection and return
- Priority upgrade service with first access to new cutting-edge components
Specifications
Processor (CPU)
- AMD Ryzen 9 9950X3D
- 16 Cores | 32 Threads
- Base Frequency: 4.3 GHz
- Boost Frequency: 5.7 GHz
CPU Cooler
- Custom Water Cooled Loop System
- Alphacool
Motherboard
- ASUS ROG Strix X870-F Gaming WiFi
- AMD X870 Chipset
Network
- Ethernet Up to 2.5Gbps
- 6500 Mbps WiFi
- Bluetooth 5.4
Graphics
- NVIDIA GeForce RTX 5090
- 32GB VRAM
Memory (RAM)
- 64GB DDR5 6000MT/s
- 2 x 32GB Modules
- Latency CL36
Case
- Montech KING 95 PRO
- Gentlemen Black
- Tempered Glass Side Panel
Physical Dimensions
- Width: 300mm
- Height: 475mm
- Depth: 442mm
Front Ports
- 1 x USB-C
- 2 x USB 3.0
- 1 x 3.5mm Jack - Headphone
- 1 x 3.5mm Jack - Microphone
Operating System
- Microsoft Windows 11 Home
Power Supply
- ASUS ROG Strix Platinum
- 1200W
- 80 Plus Platinum
Warranty
- 5 Years Includes:
- 3 Years On Site
- 2 Years Labour
- UK Mainland*
Storage
- 4TB Kingston FURY Renegade
- PCIe 4.0 x4 NVMe
- Solid State Drive (SSD)
Rear Ports
- 2 x USB-C 4
- 1 x USB-C 3.1
- 5 x USB 3.1
- 4 x USB 3.0
- 1 x 3.5mm Jack - Line Out
- Ethernet
Stock Code
- CB-GAM-FRG-LCS

Industry-leading 5 year warranty
We’re proud of how much customers love and trust us, and that’s why your PC is protected by an industry-leading 5 year warranty. So just in-case anything goes wrong, we’ve got you covered.
The first 3 years warranty covers parts and labour – we’ll collect your system, repair it and replace any parts as necessary, and return it to you free of charge. The final 2 years covers labour costs on a return to base basis.
Finance options
It's simple to pay monthly with Chillblast. We offer financing on orders over £1,000, powered by Dopple.
Chillblast Ltd, trading as Chillblast, is an Introducer Appointed Representative of Social Money Ltd t/a Dopple, a company registered in England under company number 08054296, and is authorised and regulated by the Financial Conduct Authority and is entered on the Financial Services Register under reference number 675283. Registered with the Information Commissioner's Office under reference number ZA026178.

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