Oracle ARM Server — Free Cloud Resource Card

Hardware Specs

4

ARM OCPUs

24 GB

RAM

200 GB

SSD Disk

$0

Forever

Spec	Detail
Processor	Ampere Altra A1 @ 3.0 GHz (ARM64 / aarch64)
OCPUs	4 (each OCPU = 1 physical core, no hyperthreading)
Memory	24 GB DDR4
Boot Volume	200 GB block storage (SSD-backed, configurable up to 200 GB free)
Network	4 Gbps aggregate bandwidth
Public IP	1x static IPv4 (included free)
Egress	10 TB / month outbound
Region	US-Phoenix (us-phoenix-1) — also available in 40+ global regions
OS	Ubuntu 22.04 LTS (or Oracle Linux, CentOS — all ARM64)
Hypervisor	KVM (VM.Standard.A1.Flex shape)
Tier	Always Free — no trial expiration, no charges

What This Can Run

4 ARM cores and 24 GB RAM is substantial. For context, this matches a $50-80/month VPS from most providers. Here's what fits comfortably:

Fits Easily (low resource)

1

Web applications & APIs

Node.js, Python, Go, Rust servers. Handles thousands of concurrent connections. Run multiple apps behind Caddy/Nginx reverse proxy.

2

Background workers & pollers

Cron jobs, queue consumers, API pollers, webhook processors. Run 10+ workers simultaneously without contention.

3

Databases

PostgreSQL, MySQL, SQLite, Redis, MongoDB. 24 GB RAM means generous buffer pools and in-memory caching.

4

Docker containers

Run 10-20 lightweight containers with Docker Compose. ARM64 images are widely available (all official images support ARM).

5

CI/CD runners

GitHub Actions self-hosted runner, GitLab Runner, Drone CI. Free compute for builds and tests.

Fits Well (moderate resource)

6

Chat bots & messaging gateways

Discord, Telegram, Slack, WhatsApp bots. WebSocket connections are lightweight; 24 GB handles thousands of concurrent sessions.

7

Monitoring & observability

Uptime Kuma, Grafana, Prometheus, Loki. Full monitoring stack for your other services.

8

Media processing

FFmpeg transcoding, image resizing, PDF generation. ARM NEON SIMD handles media workloads efficiently.

9

Reverse proxy & tunneling

Caddy, Nginx, Cloudflare Tunnel, WireGuard/Tailscale VPN hub. Acts as a public entry point for private services.

Possible but Tight (high resource)

10

Small LLMs (1-7B parameters)

Ollama with quantized models (Q4): Phi-3 mini, Qwen 2.5 7B, Llama 3 8B. Expect 2-5 tokens/sec — usable for async tasks, not real-time chat.

11

Full-text search engines

Elasticsearch or Meilisearch with moderate indexes (~5-10 GB). Works for internal search, not high-traffic public search.

Limitations & Considerations

Factor	Detail
Architecture	ARM64 only — most modern software supports ARM, but some legacy x86 binaries won't run. Check Docker Hub for `linux/arm64` tags.
No GPU	CPU-only compute. No CUDA, no GPU acceleration. LLM inference is slow. Use cloud APIs (Gemini, Claude, OpenAI) for real-time AI.
Disk I/O	Block storage, not local NVMe. Adequate for most workloads but not ideal for write-heavy databases at scale.
Capacity	ARM instances are hard to get. Initial provisioning requires a retry script (may take hours to weeks). Once running, the instance persists.
SLA	No SLA on Always Free tier. Oracle can reclaim idle instances (rare, but possible). Not recommended as sole production host for critical services.
Networking	Oracle security lists (firewall) must be configured in the OCI Console in addition to iptables on the instance. Ports are closed by default.
Support	Community support only on free tier. No Oracle support tickets.

Cost Comparison

What you'd pay for equivalent specs elsewhere:

Provider	Equivalent	Monthly Cost
Oracle Always Free	4 OCPU / 24 GB / 200 GB	$0
AWS (t4g.xlarge)	4 vCPU / 16 GB	~$98
DigitalOcean	4 vCPU / 24 GB	~$96
Hetzner (CAX31)	8 vCPU / 16 GB	~$14
Linode	4 vCPU / 24 GB	~$96
Vultr	4 vCPU / 24 GB	~$96

Hetzner is the closest affordable alternative. Oracle's free tier beats it on RAM (24 vs 16 GB) and cost ($0 vs $14/mo).

Is This Server Right for Your Project?

Great fit if you need:

Always-on API server Background job workers Database hosting Docker containers CI/CD runner Webhook processor Bot hosting VPN/tunnel endpoint Monitoring stack Dev/staging server

Not ideal if you need:

GPU compute Large LLM inference x86-only software Enterprise SLA High-IOPS storage

Want Your Own?

Every Oracle Cloud account gets the same 4 OCPU / 24 GB free allocation. Sign up at cloud.oracle.com — credit card for verification only, never charged.

Full setup guide with auto-provisioning script: Oracle Cloud ARM Setup Guide

Free Cloud Server — Resource Card