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RTX 5090 Custom Build Singapore - Ryzen 9 9950X3D - $10,575 SGD | Mansa Computers
Quick answer: This RTX 5090 custom build in Singapore runs a Ryzen 9 9950X3D and an Nvidia RTX 5090 32 GB, priced at $10,575 SGD. It has 96 GB DDR5 RAM and 16 TB of storage, built for 4K gaming and professional workloads by Mansa Computers.
Last updated: September 2025
AT A GLANCE
Build Summary
Build Type
4K Gaming + Workstation
Key Components
Ryzen 9 9950X3D + RTX 5090 32GB
Case
Fractal Design North XL Mesh - Charcoal Black
Price
SGD $10,575
Watch the Build
A 4K Gaming and Workstation PC Built Around the RTX 5090
This RTX 5090 custom build in Singapore runs a Ryzen 9 9950X3D and an Nvidia RTX 5090 32 GB, priced at $10,575 SGD. The spec list points to a system built for more than gaming alone. With 96 GB of DDR5 at 6000 MHz and 16 TB of total storage, it suits someone who also works in software like DaVinci Resolve, Blender, or Unreal Engine 5 on the same machine.
The Ryzen 9 9950X3D is a strong fit for that kind of mixed-use build. It was comparable to the Ryzen 7 9800X3D in most gaming scenarios while also being a compelling option for heavier production workloads (GamersNexus). That makes it a sensible CPU for users who want top-end gaming performance without giving up productivity headroom.
Storage is split for a reason. Two WD Black SN850X 4 TB NVMe Gen 4 SSDs give 8 TB of fast storage for active projects, game libraries, and applications. The WD 8 TB HDD is there for archives, backups, and larger long-term files. Total: 16 TB. The Corsair AX1600i 1600W 80+ Titanium PSU gives plenty of room for the RTX 5090 and the rest of the system, while the Arctic RGB Liquid Freezer III 360 AIO is there to keep the CPU under control during heavier work sessions.
FULL SPECS
What's Inside
Motherboard
Asus X870E ROG Crosshair Hero Wi-Fi 7 & Bluetooth
Processor
Ryzen 9 9950X3D
Cooler
Arctic RGB Liquid Freezer III 360 AIO - Black
Graphics Card
Nvidia RTX 5090 32 GB - Asus
Storage
WD Black SN850X 4 TB Gen.4 - SSD
Storage
WD Black SN850X 4 TB Gen.4 - SSD
Storage
WD 8 TB - HDD
RAM
Corsair Vengeance RGB DDR5 96 GB 6000 MHz - Grey
Power Supply
Corsair AX1600i 1600W 80+ Titanium
Case
Fractal Design North XL Mesh - Charcoal Black
Operating System
Activated Windows 11 Home 64-Bit
Fans
4 x Arctic P12 PWM PST ARGB - Black
Build Photos
Swipe or use arrows to see more photos.
CPU Installation Detail
Close-up of the AMD Ryzen processor seated on the AM5 motherboard socket during the build process, showing the clean CPU installation stage before the cooler goes on.
CPU Cooler and Memory Area
Interior close-up of the ARCTIC liquid cooler pump head beside the RGB memory, highlighting the motherboard area and the lighting inside the completed system.
Graphics Card Installation
Build-in-progress shot showing the GeForce RTX graphics card being installed into the system, giving a clear look at the large GPU fitment inside the case layout.
GPU and Cooling Detail
Close-up of the installed graphics card and liquid-cooling tubes, showing the GPU shroud, top-edge lighting, and the tight internal hardware arrangement.
Completed Build Side View
Full side view of the finished custom PC inside the Fractal Design North XL Mesh, showing the completed lighting setup, large graphics card, and overall internal presentation.
PERFORMANCE
Performance at 4K
Cyberpunk 2077: Phantom Liberty averaged 95 FPS at 4K, Dragon's Dogma 2 averaged 133 FPS, Starfield averaged 108 FPS, and Black Myth: Wukong averaged 86 FPS. These results place the card firmly in the top tier for 4K gaming (GamersNexus).
At 4K, the RTX 5090 outperformed the RTX 4090 by about 20% to 50% in rasterization depending on the game, while 4K ray tracing gains were more commonly around 27% to 35%. Most of the time, overall uplift sat somewhere around the 30% range rather than scaling evenly in every title (GamersNexus).
For creative work on the same machine, the 96 GB of DDR5 memory and 32 GB of VRAM give this system much more room for heavier assets, larger timelines, and more demanding scenes than a typical gaming build. That does not mean every workload will instantly use all of it, but it does make this kind of mixed-use setup more realistic for editing, rendering, and game development alongside 4K gaming.
"Generally, we saw 27-35% uplift in 4K gaming over the RTX 4090."
GamersNexusTotal Price
SGD $10,575
Pricing as of September 2025. Component prices change. Press the WhatsApp button on the right to speak with us if you need help with a PC build!
FAQ
Frequently Asked Questions
How much does an RTX 5090 custom PC cost in Singapore?
An RTX 5090 custom PC in Singapore starts in the high-end enthusiast tier, but the final price depends heavily on the rest of the parts. This build with a Ryzen 9 9950X3D, 96 GB DDR5, and 16 TB of storage is priced at $10,575 SGD. A gaming-only build with less memory and storage would come in lower.
Is the RTX 5090 worth it for 4K gaming in Singapore?
Yes, if 4K is your target resolution and you want top-tier performance. The RTX 5090 averaged 95 FPS in Cyberpunk 2077: Phantom Liberty, 133 FPS in Dragon's Dogma 2, 108 FPS in Starfield, and 86 FPS in Black Myth: Wukong at 4K (GamersNexus). It is clearly a 4K-first card, although the value depends on how much you care about pushing beyond RTX 4090-class performance.
How much RAM do I need for a gaming and workstation PC?
For gaming only, 32 GB DDR5 is already enough for most modern systems. Once you start mixing in workloads like video editing, 3D work, or game development, 64 GB to 96 GB becomes much more realistic. This build uses 96 GB DDR5 at 6000 MHz because it is meant to cover both gaming and heavier professional work on the same machine.
Want Something Like This?
Every build is adjustable. Different GPU tier? More or less storage? We can spec it out.
Explore our custom gaming PC builds or view the RTX 5090.
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