RainYun is a cloud computing provider focused on cloud infrastructure services, offering products such as cloud VPS, bare metal servers, and GPU servers. Its product lineup covers multiple global regions with various network routing options, positioning itself as a high cost-performance provider suitable for individual developers and small-to-medium businesses.
RainYun Official Website: https://www.rainyun.com/
This review focuses on RainYun’s Japan Tokyo VPS node, analyzing network quality, performance, and pricing in detail.
Japan VPS Product Overview
RainYun’s Japan node is located in Tokyo and offers two network options:
- Premium Triple-Network Optimized Routing (optimized for mainland China access)
- SoftBank High-Bandwidth Network
This review mainly focuses on the Premium Triple-Network route, featuring:
Core Specifications:
- Bandwidth: 20Mbps – 100Mbps
- Network Type: China Telecom, China Unicom, and China Mobile direct routing
- Return Route: CN2 optimized routing
- Operating Systems: Linux and Windows
- Payment Methods: Alipay and WeChat Pay
The entry-level plan includes:
1 vCPU, 1GB RAM, 30GB storage, 20Mbps uplink, 40Mbps downlink, and 30GB monthly traffic for ¥33/month.
Additionally, the platform provides various pre-installed environments such as OpenClaw, Cloudreve cloud storage, and remote desktop tools for easier deployment.
Advantages and Disadvantages
Advantages
- Low entry pricing with affordable startup cost
- CN2 optimized return routing improves mainland China access
- Triple-network direct routing offers strong compatibility
- Supports multiple OS images and application environments
Disadvantages
- Some plans include relatively limited traffic quotas
- IP addresses are non-native IPs
- Occasional minor fluctuations on overseas nodes
Network Performance Testing
1. Local Latency Performance
Measured local average ping latency was around 121ms with minimal fluctuation and no noticeable packet loss, showing stable performance overall.
2. Nationwide China Network Latency
- Average latency: around 72ms
- China Telecom: around 90ms
- China Unicom: around 55ms
- China Mobile: around 71ms
Latency to Hong Kong, Macau, and Taiwan averaged around 41ms, outperforming many overseas VPS nodes.
3. Stability Testing
Continuous ping tests across multiple global locations showed:
- Almost no packet loss on mainland China nodes
- Minor fluctuations on a few overseas nodes
Overall stability performance was solid and suitable for long-term workloads.
Routing Analysis
Outbound Routes
All three carriers provide direct outbound connections to the Tokyo node.
Inbound / Return Routes
- China Telecom: CN2 optimized routing
- China Unicom: AS4837
- China Mobile: CMI
The return routes are relatively direct with reduced detours, helping lower latency.
Server Performance Testing
- CPU Platform: AMD architecture
- Disk I/O: approximately 1843MB/s
This performance level is considered excellent among mainstream cloud VPS providers and is capable of handling website hosting and application deployments.
Speed Test
Measured local download speed was approximately 4.6MB/s, which is normal for a Japan VPS node and sufficient for everyday use.
Pricing Plans
1. Limited Traffic Plans
| Specification | Plan 1 | Plan 2 | Plan 3 | Plan 4 |
|---|---|---|---|---|
| RAM | 1GB | 2GB | 4GB | 4GB |
| CPU | 1 vCPU | 2 vCPU | 4 vCPU | 4 vCPU |
| Storage | 30GB | 30GB | 30GB | 30GB |
| Uplink Bandwidth | 20Mbps | 30Mbps | 40Mbps | 50Mbps |
| Downlink Bandwidth | 40Mbps | 50Mbps | 80Mbps | 100Mbps |
| Traffic | 30GB | 50GB | 50GB | 80GB |
| Price | ¥33/month Link | ¥41/month Link | ¥53/month Link | ¥77/month Link |
2. Unlimited Traffic Plans
| Specification | Plan 1 | Plan 2 | Plan 3 | Plan 4 |
|---|---|---|---|---|
| RAM | 1GB | 2GB | 4GB | 4GB |
| CPU | 1 vCPU | 2 vCPU | 4 vCPU | 4 vCPU |
| Storage | 30GB | 30GB | 30GB | 30GB |
| Uplink Bandwidth | 5Mbps | 8Mbps | 10Mbps | 15Mbps |
| Downlink Bandwidth | 10Mbps | 20Mbps | 20Mbps | 30Mbps |
| Traffic | Unlimited | Unlimited | Unlimited | Unlimited |
| Price | ¥33/month Link | ¥41/month Link | ¥53/month Link | ¥77/month Link |
Purchase Example:
Frequently Asked Questions (FAQ)
1. Who is RainYun Japan VPS suitable for?
It is suitable for website hosting, lightweight application deployment, cross-border business, and users needing Japan-based acceleration nodes.
2. What are the advantages of CN2 return routing?
CN2 routing has higher priority within China Telecom’s network, helping reduce latency and improve stability, especially during peak hours.
3. How should I choose between limited and unlimited traffic plans?
- If you require higher traffic usage: choose the unlimited traffic plans
- If you prefer higher bandwidth speeds: choose the limited traffic plans
4. Is latency to the Japan node high?
Based on testing, average latency is around 70ms, which is relatively low and suitable for mainland China access.
Conclusion
Overall, RainYun’s Tokyo Japan node delivers balanced performance in terms of network quality, latency optimization, and pricing.
Its CN2 optimized return routing combined with triple-network direct connectivity provides a noticeable advantage for mainland China access.
If your requirements include:
- Affordable Japan VPS nodes
- Stable connectivity to mainland China
- Simple application deployment
Then this product offers strong value for money and is worth considering.
