c5a.12xlarge

c5a.12xlarge is an AWS EC2 instance with 48 vCPUs, 96 GiB memory (AMD EPYC 7R32). In US East (N. Virginia) it costs $1.848 per hour on demand ($1,349.04 per month) for Linux; a 1-year reserved instance with no upfront costs $1.164 per hour, 37% less. Spot capacity is about $0.5765 per hour. It is sold in 22 regions; the cheapest is Asia Pacific (Mumbai) at $1.128 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$1.128$0.5253$0.711$0.487$0.878$0.587
US East (N. Virginia) us-east-1$1.848$0.5765$1.164$0.798$1.343$0.892
US East (Ohio) us-east-2$1.848$0.5439$1.164$0.798$1.343$0.892
US West (Oregon) us-west-2$1.848$0.6147$1.164$0.798$1.343$0.892
EU (Stockholm) eu-north-1$1.968$0.1968$1.24$0.85$1.562$1.08
Canada (Central) ca-central-1$2.016$0.6081$1.27$0.871$1.552$0.965
Asia Pacific (Seoul) ap-northeast-2$2.064$0.447$1.30$0.892$1.608$1.159
EU (Ireland) eu-west-1$2.064$0.9774$1.30$0.892$1.63$1.137
EU (Frankfurt) eu-central-1$2.088$0.689$1.315$0.902$1.653$1.188
Asia Pacific (Singapore) ap-southeast-1$2.112$0.6852$1.331$0.912$1.634$1.093
EU (Milan) eu-south-1$2.184$0.4677$1.376$0.943$1.724$1.203
EU (London) eu-west-2$2.184$0.6818$1.376$0.943$1.727$1.196
EU (Paris) eu-west-3$2.184$0.5824$1.376$0.943$1.722$1.215
AWS GovCloud (US-East) us-gov-east-1$2.208–$1.391$0.954$1.609$1.009
AWS GovCloud (US-West) us-gov-west-1$2.208–$1.391$0.954$1.609$1.009
Middle East (Bahrain) me-south-1$2.28$0.4441$1.436$0.985$1.812$1.258
US West (N. California) us-west-1$2.28$0.6435$1.436$0.985$1.788$1.212
Asia Pacific (Tokyo) ap-northeast-1$2.304$0.92$1.452$0.995$1.901$1.369
Asia Pacific (Hong Kong) ap-east-1$2.328$0.2794$1.467$1.006$1.809$1.207
Asia Pacific (Sydney) ap-southeast-2$2.40$0.8342$1.512$1.037$1.754$1.236
Africa (Cape Town) af-south-1$2.472$0.4889$1.557$1.068$1.957$1.359
South America (Sao Paulo) sa-east-1$2.832$0.2832$1.784$1.223$2.319$1.52
Reserved and Savings PlansSpot prices by regionWindows prices by regionAzure equivalents

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

Operating systemOn-demand /hr1-yr reserved /hr3-yr reserved /hr
Linux$1.848$1.164$0.798
Ubuntu Pro$1.932––
SUSE$1.973$1.224$0.852
RHEL$2.366$1.683$1.317
Linux SQL Web$2.659$1.975$1.61
RHEL HA$3.038$2.355$1.989
RHEL SQL Web$3.178––
Windows$4.056$3.372$3.006
Windows SQL Web$4.867$4.183$3.818
Linux SQL Std$7.608$6.924$6.558
RHEL SQL Std$8.126––
RHEL HA SQL Std$8.798––
Windows SQL Std$9.816$9.132$8.766
Linux SQL Ent$19.848$19.164$18.798
RHEL SQL Ent$20.366––
RHEL HA SQL Ent$21.038––
Windows SQL Ent$22.056$21.372$21.006

Specs

ComputeValue
vCPUs48
Physical cores24
Threads per core2
Architecturex86_64
ProcessorAMD EPYC 7R32
CPU makerAMD
Clock speed3.3 GHz
Sustained clock3.3 GHz
Processor featuresAMD Turbo; AVX; AVX2
BurstableNo
MemoryValue
Memory (GiB)96
NetworkingValue
Network12 Gbps
Network baseline12 Gbps
Network peak12 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces8
IPv4 addresses per interface30
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughput4750 Mbps
EBS baseline bandwidth4,750 Mbps
EBS max bandwidth4,750 Mbps
EBS baseline throughput593.75 MB/s
EBS max throughput593.75 MB/s
EBS baseline IOPS20,000
EBS max IOPS20,000
Max EBS volumes27
Instance detailsValue
Instance typec5a.12xlarge
Familyc5a
CategoryCompute optimized
Current generationYes
Normalization factor96
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare c5a.12xlarge

Other processors

vs c5.12xlarge

With or without local disk and networking

vs c5ad.12xlarge

Compute and memory optimized

vs m5a.12xlargevs r5a.12xlarge

Other generations

vs c6a.12xlarge

Other c5a sizes

SizevCPUsMemory (GiB)On-demand /hr
c5a.large24$0.077
c5a.xlarge48$0.154
c5a.2xlarge816$0.308
c5a.4xlarge1632$0.616
c5a.8xlarge3264$1.232
c5a.12xlarge4896$1.848
c5a.16xlarge64128$2.464
c5a.24xlarge96192$3.696

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