
Powering Possibilities, Accelerating Innovation.
Japan’s leading GPU data center, delivering cutting-edge computing solutions for AI, gaming, blockchain, and beyond.
Revolutionizing High-Performance Computing in Japan
At Roku Gijutsu, we specialize in providing high-performance GPU cloud solutions tailored for industries such as AI, gaming, blockchain, and media.
Our state-of-the-art data centers are designed for speed, reliability, and sustainability

Our Services
Why Choose Roku Gijutsu

1
Cutting-Edge Technology
At Roku Gijutsu, we leverage the latest advancements in GPU technology, including NVIDIA A100/H100 and AMD MI250 GPUs, to deliver unmatched computational power. Our infrastructure is optimized for high-performance tasks such as AI/ML training, gaming, video rendering, and blockchain processing.
2
Scalable Solutions
Our GPU cloud services are designed to grow with your business. Whether you’re a startup needing on-demand resources or an enterprise requiring a large-scale infrastructure, our flexible plans cater to projects of all sizes.
3
Sustainability Focus
We’re committed to minimizing our environmental impact by powering our data centers with renewable energy and implementing advanced cooling systems such as immersion cooling. Sustainability is at the heart of everything we do, ensuring that innovation doesn’t come at the cost of our planet.
Our Clients Say
What Our Clients Say
“Roku Gijutsu accelerated our AI projects significantly. Their support is unmatched.”
– AI Research Lab
“Their sustainable approach aligns perfectly with our company values.”
– Media Company
“Partnering with Roku Gijutsu has been a game-changer for our operations. Their state-of-the-art GPU infrastructure allowed us to process complex medical imaging data at unprecedented speeds, reducing analysis time by 50%. What sets them apart is not just their technology but their personalized support—Roku Gijutsu’s team worked closely with us to optimize our workflows and ensure seamless integration with our existing systems. The fact that they operate sustainably makes us even prouder to collaborate with them. For any organization looking to push the boundaries of innovation, Roku Gijutsu is the clear choice.”
Akira Tanaka (田中 明)
CTO, Shinsei AI Innovations

Committed to a Greener Future
We’re dedicated to reducing our carbon footprint through renewable energy sources and advanced cooling technologies, ensuring that innovation doesn’t come at the cost of our planet.
Contact us
1 Chome-104 Totsukamachi, Shinjuku City, Tokyo 169-8050