r5n.12xlarge

Amazon EC2 R5 instances are the next generation of memory optimized instances for the Amazon Elastic Compute Cloud.

The r5n.12xlarge is a aws ec2 instance type featuring multiple vCPUs and optimized memory, commonly used for ec2 workloads.

Last updated at Wed Apr 29 2026
Instance Info
Compute Value
vCPUs 48
Memory 384 GiB
Physical Processor Intel Xeon Platinum 8259 (Cascade Lake)
Clock Speed 2.5 GHz
CPU Architecture 64-bit
GPU Memory NA
Network Value
Network Performance 50 Gigabit
Enhanced Networking No
Storage Value
Storage EBS only
EBS Throughput 6000 Mbps
Amazon Value
Current Generation Yes
Instance Type r5n.12xlarge
Family Memory optimized
Family Instances
Instance vCPUs Memory
r5n.large 2 16
r5n.xlarge 4 32
r5n.2xlarge 8 64
r5n.4xlarge 16 128
r5n.8xlarge 32 256
r5n.12xlarge 48 384
r5n.16xlarge 64 512
r5n.24xlarge 96 768
Related Instances
Instance vCPUs Memory
i7ie.12xlarge 48 384 GiB
i8g.12xlarge 48 384 GiB
i7i.12xlarge 48 384 GiB
i8ge.12xlarge 48 384 GiB
g6e.12xlarge 48 384 GiB