c5a.16xlarge

c5a.16xlarge is an AWS EC2 instance with 64 vCPUs, 128 GiB memory (AMD EPYC 7R32). In US East (N. Virginia) it costs $2.464 per hour on demand ($1,798.72 per month) for Linux; a 1-year reserved instance with no upfront costs $1.552 per hour, 37% less. Spot capacity is about $0.7715 per hour. It is sold in 22 regions; the cheapest is Asia Pacific (Mumbai) at $1.504 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$1.504$0.7136$0.948$0.65$1.17$0.783
US East (N. Virginia) us-east-1$2.464$0.7715$1.552$1.064$1.79$1.19
US East (Ohio) us-east-2$2.464$0.5179$1.552$1.064$1.79$1.19
US West (Oregon) us-west-2$2.464$0.8149$1.552$1.064$1.79$1.19
EU (Stockholm) eu-north-1$2.624$0.3173$1.653$1.134$2.083$1.44
Canada (Central) ca-central-1$2.688$0.8823$1.693$1.161$2.069$1.286
Asia Pacific (Seoul) ap-northeast-2$2.752$0.7877$1.734$1.189$2.144$1.546
EU (Ireland) eu-west-1$2.752$1.315$1.734$1.189$2.173$1.516
EU (Frankfurt) eu-central-1$2.784$1.035$1.754$1.203$2.204$1.585
Asia Pacific (Singapore) ap-southeast-1$2.816$0.9411$1.774$1.217$2.179$1.457
EU (Milan) eu-south-1$2.912$0.3085$1.835$1.258$2.299$1.604
EU (London) eu-west-2$2.912$0.8008$1.835$1.258$2.302$1.594
EU (Paris) eu-west-3$2.912$0.3267$1.835$1.258$2.296$1.62
AWS GovCloud (US-East) us-gov-east-1$2.944–$1.855$1.272$2.145$1.345
AWS GovCloud (US-West) us-gov-west-1$2.944–$1.855$1.272$2.145$1.345
Middle East (Bahrain) me-south-1$3.04$0.6115$1.915$1.313$2.416$1.678
US West (N. California) us-west-1$3.04$0.7989$1.915$1.313$2.384$1.615
Asia Pacific (Tokyo) ap-northeast-1$3.072$1.238$1.935$1.327$2.535$1.825
Asia Pacific (Hong Kong) ap-east-1$3.104$1.181$1.956$1.341$2.412$1.609
Asia Pacific (Sydney) ap-southeast-2$3.20$0.9493$2.016$1.382$2.339$1.649
Africa (Cape Town) af-south-1$3.296$0.8359$2.076$1.424$2.609$1.812
South America (Sao Paulo) sa-east-1$3.776$0.3776$2.379$1.631$3.093$2.027
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$2.464$1.552$1.064
Ubuntu Pro$2.576––
SUSE$2.589$1.612$1.118
RHEL$3.155$2.244$1.756
Linux SQL Web$3.546$2.634$2.146
RHEL HA$4.051$3.14$2.652
RHEL SQL Web$4.237––
Windows$5.408$4.496$4.008
Windows SQL Web$6.49$5.578$5.09
Linux SQL Std$10.144$9.232$8.744
RHEL SQL Std$10.835––
RHEL HA SQL Std$11.731––
Windows SQL Std$13.088$12.176$11.688
Linux SQL Ent$26.464$25.552$25.064
RHEL SQL Ent$27.155––
RHEL HA SQL Ent$28.051––
Windows SQL Ent$29.408$28.496$28.008

Specs

ComputeValue
vCPUs64
Physical cores32
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)128
NetworkingValue
Network20 Gbps
Network baseline20 Gbps
Network peak20 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces15
IPv4 addresses per interface50
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughput6300 Mbps
EBS baseline bandwidth6,300 Mbps
EBS max bandwidth6,300 Mbps
EBS baseline throughput787.5 MB/s
EBS max throughput787.5 MB/s
EBS baseline IOPS26,700
EBS max IOPS26,700
Max EBS volumes27
Instance detailsValue
Instance typec5a.16xlarge
Familyc5a
CategoryCompute optimized
Current generationYes
Normalization factor128
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationNo
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare c5a.16xlarge

With or without local disk and networking

vs c5ad.16xlarge

Compute and memory optimized

vs m5a.16xlargevs r5a.16xlarge

Other generations

vs c6a.16xlarge

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.