วิธีการคำนวณ Server Cost
learn.whatIsHeading
A cloud server cost calculator estimates the monthly and annual cost of running virtual machines on major cloud providers based on vCPU count, RAM, and storage specifications.
สูตร
monthly_cost = (CPU_cores × hourly_rate_cpu) + (GB_RAM × hourly_rate_ram) + (storage_cost) × hours_per_month
- cores
- CPU cores (cores) — Number of vCPU instances
- ram
- RAM (GiB) — Memory allocated
- storage
- Storage (GiB) — Persistent disk/SSD
- rate
- Hourly rate ($/hour) — Cloud provider pricing
คำแนะนำทีละขั้นตอน
- 1Cloud costs = vCPU hours + RAM hours + storage GB-months
- 2On-demand rates are highest; reserved instances save 30–60%
- 3Egress (outbound data) costs extra on all major clouds
- 4Prices vary significantly by region
ตัวอย่างที่มีคำตอบ
อินพุต
4 vCPU, 16GB RAM, 100GB SSD (AWS)
ผลลัพธ์
~$100–130/month on-demand
อินพุต
Same spec, reserved 1-year
ผลลัพธ์
~$60–80/month
อินพุต
DigitalOcean equivalent droplet
ผลลัพธ์
~$48/month
คำถามที่พบบ่อย
What is a typical cloud server cost?
Varies widely: small instance (1 CPU, 2GB RAM) ~$5–15/month; large instance (4 CPU, 16GB) ~$50–100/month.
Should I choose on-demand or reserved instances?
On-demand: pay per hour, no long-term commitment. Reserved: commit 1–3 years, get 30–60% discount. Choose based on usage pattern.
What costs am I forgetting?
Data egress (outbound bandwidth), managed database fees, backup storage, load balancing, SSL certificates.
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