c5n.18xlarge

c5n.18xlarge is an AWS EC2 instance with 72 vCPUs, 192 GiB memory (Intel Xeon Platinum 8124M). In US East (N. Virginia) it costs $3.888 per hour on demand ($2,838.24 per month) for Linux; a 1-year reserved instance with no upfront costs $2.449 per hour, 37% less. Spot capacity is about $0.9928 per hour. It is sold in 24 regions; the cheapest is Asia Pacific (Mumbai) at $3.888 per hour.

Prices by region

USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.

RegionOn-demandSpot1-yr reserved3-yr reserved1-yr savings plan3-yr savings plan
Asia Pacific (Mumbai) ap-south-1$3.888$0.8461$2.449$1.521$3.023$1.748
US East (N. Virginia) us-east-1$3.888$0.9928$2.449$1.412$2.817$1.626
US East (Ohio) us-east-2$3.888$1.225$2.449$1.412$2.817$1.626
US West (Oregon) us-west-2$3.888$0.8284$2.449$1.412$2.817$1.626
EU (Stockholm) eu-north-1$4.176$0.4176$2.631$1.75$3.308$1.992
Canada (Central) ca-central-1$4.248$0.9206$2.676$1.536$3.278$1.766
Asia Pacific (Seoul) ap-northeast-2$4.392$1.107$2.767$1.855$3.432$2.133
EU (Ireland) eu-west-1$4.392$1.833$2.767$1.84$3.479$2.095
EU (Frankfurt) eu-central-1$4.428$1.483$2.79$1.902$3.514$2.187
Asia Pacific (Singapore) ap-southeast-1$4.464$1.648$2.812$1.74$3.46$2.00
Asia Pacific (Jakarta) ap-southeast-3$4.464$0.4464$2.812$1.74$3.46$2.00
EU (London) eu-west-2$4.608$1.48$2.903$1.927$3.644$2.196
EU (Paris) eu-west-3$4.608$0.8128$2.903$1.928$3.633$2.217
EU (Milan) eu-south-1$4.644$0.8829$2.921$1.932$3.681$2.205
AWS GovCloud (US-East) us-gov-east-1$4.68–$2.948$1.614$3.401$1.857
AWS GovCloud (US-West) us-gov-west-1$4.68–$2.948$1.614$3.401$1.857
Middle East (Bahrain) me-south-1$4.824$0.7224$3.024$2.022$3.836$2.313
US West (N. California) us-west-1$4.86$1.442$3.062$1.952$3.827$2.244
Asia Pacific (Tokyo) ap-northeast-1$4.896$1.289$3.084$2.115$4.047$2.511
Asia Pacific (Osaka) ap-northeast-3$4.896$0.4896$3.084$2.115$4.047$2.511
Asia Pacific (Sydney) ap-southeast-2$5.076$1.297$3.198$1.968$3.721$2.263
Asia Pacific (Hong Kong) ap-east-1$5.148$0.6005$3.243$2.007$3.99$2.307
Africa (Cape Town) af-south-1$5.227$1.124$3.285$2.173$4.139$2.50
South America (Sao Paulo) sa-east-1$5.976$0.5976$3.765$2.418$4.899$2.779

Prices by operating system in US East (N. Virginia)

Operating systemOn-demand /hr1-yr reserved /hr3-yr reserved /hr
Linux$3.888$2.449$1.412
SUSE$4.013$2.509$1.466
Ubuntu Pro$4.014––
RHEL$4.666$3.227$2.189
Linux SQL Web$5.105$3.666$2.629
RHEL HA$5.674$4.235$3.197
RHEL SQL Web$5.882––
Windows$7.20$5.761$4.724
Windows SQL Web$8.417$6.978$5.941
Linux SQL Std$12.528$11.089$10.052
RHEL SQL Std$13.306––
RHEL HA SQL Std$14.314––
Windows SQL Std$15.84$14.401$13.364
Linux SQL Ent$30.888$29.449$28.412
RHEL SQL Ent$31.666––
RHEL HA SQL Ent$32.674––
Windows SQL Ent$34.20$32.761$31.724

Specs

ComputeValue
vCPUs72
Physical cores36
Threads per core2
Architecturex86_64
ProcessorIntel Xeon Platinum 8124M
CPU makerIntel
Clock speed3 GHz
Sustained clock3.4 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo
BurstableNo
ECU281
MemoryValue
Memory (GiB)192
NetworkingValue
Network100 Gbps
Network baseline100 Gbps
Network peak100 Gbps
Enhanced networkingYes (ENA)
EFAYes
IPv6Yes
Max network interfaces15
IPv4 addresses per interface50
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughput14000 Mbps
EBS baseline bandwidth19,000 Mbps
EBS max bandwidth19,000 Mbps
EBS baseline throughput2,375 MB/s
EBS max throughput2,375 MB/s
EBS baseline IOPS80,000
EBS max IOPS80,000
Max EBS volumes27
Instance detailsValue
Instance typec5n.18xlarge
Familyc5n
CategoryCompute optimized
Current generationYes
Normalization factor144
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare c5n.18xlarge

With or without local disk and networking

Other c5n sizes

SizevCPUsMemory (GiB)On-demand /hr
c5n.large25.25$0.108
c5n.xlarge410.5$0.216
c5n.2xlarge821$0.432
c5n.4xlarge1642$0.864
c5n.9xlarge3696$1.944
c5n.18xlarge72192$3.888
c5n.metal72192$3.888

Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances.