免费升级到双倍吗?

那为什么不直接给双倍? 还是说需要额外特别申请?

1 CPU core (30% dedicated)
1 GB RAM
10 GB NVMe disk (RAID-10)
1 TB bandwidth
$30 per year
Free upgrade with double RAM, double disk, and 5x bandwidth
Free 40 Gbps DDoS protection available on request



Free upgrade with double RAM, double disk, and 5x bandwidth

请教大佬!