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r8i-flex.12xlarge

r8i-flex family

48 vCPU · 384 GB RAM · x86_64

Cost

Hourly $3.1673 USD / hour · on-demand
Monthly est. $2312.11 730 hours
Yearly est. $27745.37 12 × monthly
Cost per vCPU
$0.0660/hr
Cost per GB RAM
$0.0082/hr

Looking for a smaller bill? Standard_E48as_v5 is a similar spec at lower cost.

Specs

r8i-flex.12xlarge is a memory optimized AWS EC2 instance with 48 vCPUs and 384 GB of memory, backed by EBS only of local instance storage. It works well for memory-heavy services and large in-memory datasets.

vCPU 48 Virtual cores
Memory 384 GB RAM
Architecture x86_64 Intel / AMD
Instance family
r8i-flex
Category
Memory optimized
Generation
Current
RAM per vCPU
8.0 GB

Compute

Physical processor
Intel Xeon Scalable (Granite Rapids)
Clock speed
3.9 GHz
Processor features
Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX

Storage

Instance storage
EBS only

Network

Network
Up to 22500 Megabit
Dedicated EBS throughput
Up to 15000 Mbps
Enhanced networking
Yes

Cheaper alternatives

Provider
Standard_E48as_v5 Top pick
Azure 48 384 GB $0.5420 $395.66 82.89%
Standard_EC48as_cc_v5
Azure 48 384 GB $0.5420 $395.66 82.89%
Standard_EC48as_v5
Azure 48 384 GB $0.5420 $395.66 82.89%
Standard_E48as_v6
Azure 48 384 GB $0.5720 $417.56 81.94%
Standard_EC48as_v6
Azure 48 384 GB $0.5720 $417.56 81.94%