c5.18xlarge

Amazon EC2 C5 instances deliver cost-effective high performance at a low price per compute ratio for running advanced compute-intensive workloads.

The c5.18xlarge is a aws ec2 instance type featuring multiple vCPUs and optimized memory, commonly used for ec2 workloads.

Last updated at Fri May 15 2026
Instance Info
Compute Value
vCPUs 72
Memory 144 GiB
Physical Processor Intel Xeon Platinum 8124M
Clock Speed 3.4 GHz
CPU Architecture 64-bit
GPU Memory NA
Network Value
Network Performance 25 Gigabit
Enhanced Networking Yes
Storage Value
Storage EBS only
EBS Throughput 9000 Mbps
Amazon Value
Current Generation Yes
Instance Type c5.18xlarge
Family Compute optimized
Family Instances
Instance vCPUs Memory
c5.large 2 4
c5.xlarge 4 8
c5.2xlarge 8 16
c5.4xlarge 16 32
c5.9xlarge 36 72
c5.12xlarge 48 96
c5.18xlarge 72 144
c5.24xlarge 96 192
Related Instances
Instance vCPUs Memory
hpc7g.16xlarge 64 128 GiB
g5g.16xlarge 64 128 GiB
m4.10xlarge 40 160 GiB