同样配置的 VPS，价格能差 5 倍，差就差在线路（回程路由）。面向国内访问时，线路决定了你的延迟和稳定性。一图看懂主流线路：
按「国内访问体验」从好到一般排
| 线路 | 简称 | 特点 | 价格 |
|---|---|---|---|
| CN2 GIA | 精品网 | 延迟最低、最稳，高峰不挤 | 贵 |
| CMIN2 / CN2 GT | 次精品 | 比 GIA 便宜，体验接近 | 中 |
| 联通 9929 | 联通优化 | 联通用户体验好 | 中 |
| 电信 4837 / CU 普通 | 普通直连 / 优化 | 高峰期会挤、丢包 | 便宜 |
| 普通 BGP / 国际线路 | 普线 | 绕路、延迟高 | 最便宜 |
怎么挑？
- 延迟敏感（实时应用、需要稳）：认准 CN2 GIA / CMIN2。
- 预算有限、能接受高峰波动：9929 / 4837 性价比高。
- 不在乎国内延迟（纯海外用）：普通线路最划算，别为线路多花钱。
关键：别信文案，看实测
标称「CN2 GIA」的不一定真是，有的高峰期照样挤。我们对每台机器做 三网（电信 / 联通 / 移动）实测，延迟数据透明可查——下单前先看 实时数据，也能用 Ping 测速工具 自己测一遍。
Two VPS plans with identical specs can differ by 5x in price — and that difference comes down to the network line (return route). For traffic from China, the line determines your latency and stability. Here’s a quick overview of the major lines:
Ranked by China Access Quality (Best to Average)
| Line | Short Name | Characteristics | Price |
|---|---|---|---|
| CN2 GIA | Premium Network | Lowest latency, most stable, no congestion at peak hours | Expensive |
| CMIN2 / CN2 GT | Near-Premium | Cheaper than GIA, experience close to it | Mid-range |
| Unicom 9929 | Unicom Optimized | Great experience for Unicom users | Mid-range |
| Telecom 4837 / CU Standard | Standard/Optimized Direct | Congestion and packet loss at peak hours | Budget |
| Standard BGP / International Lines | Generic Lines | Indirect routing, higher latency | Cheapest |
How to Choose?
- Latency-sensitive (real-time apps, need stability): go for CN2 GIA / CMIN2.
- Budget-conscious, can tolerate peak-hour fluctuation: 9929 / 4837 offer great value.
- Don’t care about China latency (purely overseas use): standard lines are most cost-effective — don’t pay extra for premium routing.
Key Point: Don’t Trust Marketing Copy — Check Real-World Tests
A VPS labeled “CN2 GIA” isn’t always the real deal — some still get congested at peak hours. We run three-carrier (Telecom / Unicom / Mobile) real-world tests on every machine, with transparent latency data — check the live data before ordering, or run your own test with the Ping Speed Test tool.
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