r6i.12xlarge

Amazon EC2 R6i instances are powered by 3rd Generation Intel Xeon Scalable processors and deliver up to 15% better price performance compared to R5 instances.

The r6i.12xlarge is a aws ec2 instance type featuring multiple vCPUs and optimized memory, commonly used for ec2 workloads.

Last updated at Sun May 17 2026
Instance Info
Compute Value
vCPUs 48
Memory 384 GiB
Physical Processor Intel Xeon 8375C (Ice Lake)
Clock Speed 3.5 GHz
CPU Architecture 64-bit
GPU Memory NA
Network Value
Network Performance 18750 Megabit
Enhanced Networking Yes
Storage Value
Storage EBS only
EBS Throughput 15000 Mbps
Amazon Value
Current Generation Yes
Instance Type r6i.12xlarge
Family Memory optimized
Family Instances
Instance vCPUs Memory
r6i.large 2 16
r6i.xlarge 4 32
r6i.2xlarge 8 64
r6i.4xlarge 16 128
r6i.8xlarge 32 256
r6i.12xlarge 48 384
r6i.16xlarge 64 512
r6i.24xlarge 96 768
r6i.32xlarge 128 1024
Related Instances
Instance vCPUs Memory
i8g.12xlarge 48 384 GiB
i7i.12xlarge 48 384 GiB
i7ie.12xlarge 48 384 GiB
i8ge.12xlarge 48 384 GiB
g6e.12xlarge 48 384 GiB