c6a.4xlarge

c6a.4xlarge is an AWS EC2 instance with 16 vCPUs, 32 GiB memory (AMD EPYC 7R13 Processor). In US East (N. Virginia) it costs $0.612 per hour on demand ($446.76 per month) for Linux; a 1-year reserved instance with no upfront costs $0.4048 per hour, 34% less. Spot capacity is about $0.2362 per hour. It is sold in 15 regions; the cheapest is Asia Pacific (Mumbai) at $0.374 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$0.374$0.1558$0.2476$0.1697$0.2851$0.1948
Asia Pacific (Hyderabad) ap-south-2$0.374$0.0374$0.2474$0.1697$0.2908$0.1942
US East (N. Virginia) us-east-1$0.612$0.2362$0.4048$0.2694$0.4423$0.2955
US East (Ohio) us-east-2$0.612$0.2087$0.4048$0.2694$0.4423$0.2955
US West (Oregon) us-west-2$0.612$0.2292$0.4048$0.2694$0.4423$0.2955
EU (Ireland) eu-west-1$0.6566$0.357$0.4347$0.2994$0.5018$0.3431
Canada (Central) ca-central-1$0.6696$0.2454$0.4445$0.2939$0.508$0.3227
EU (Frankfurt) eu-central-1$0.6984$0.3088$0.4604$0.3168$0.5315$0.3624
Asia Pacific (Singapore) ap-southeast-1$0.7056$0.4119$0.4683$0.3201$0.5356$0.3655
EU (London) eu-west-2$0.7272$0.2474$0.4801$0.3305$0.5504$0.3787
US West (N. California) us-west-1$0.7632$0.2566$0.504$0.347$0.5824$0.4013
Asia Pacific (Tokyo) ap-northeast-1$0.7704$0.3165$0.508$0.3511$0.5848$0.4011
Asia Pacific (Hong Kong) ap-east-1$0.7776–$0.5144$0.3527$0.5908$0.4023
Asia Pacific (Sydney) ap-southeast-2$0.7992$0.3639$0.5277$0.3631$0.5859$0.4121
South America (Sao Paulo) sa-east-1$0.9432$0.0987$0.6229$0.4285$0.7182$0.4891
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$0.612$0.4048$0.2694
Ubuntu Pro$0.64––
SUSE$0.737$0.4648$0.3234
RHEL$0.7848$0.5776$0.4422
Linux SQL Web$0.8824$0.6752$0.5398
RHEL HA$1.009$0.8016$0.6662
RHEL SQL Web$1.055––
Windows$1.348$1.141$1.005
Windows SQL Web$1.618$1.411$1.276
Linux SQL Std$2.532$2.325$2.189
RHEL SQL Std$2.705––
RHEL HA SQL Std$2.929––
Windows SQL Std$3.268$3.061$2.925
Linux SQL Ent$6.612$6.405$6.269
RHEL SQL Ent$6.785––
RHEL HA SQL Ent$7.009––
Windows SQL Ent$7.348$7.141$7.005

Specs

ComputeValue
vCPUs16
Physical cores8
Threads per core2
Architecturex86_64
ProcessorAMD EPYC 7R13 Processor
CPU makerAMD
Clock speed3.6 GHz
Sustained clock3.6 GHz
Processor featuresAMD Turbo; AVX; AVX2
BurstableNo
MemoryValue
Memory (GiB)32
NetworkingValue
NetworkUp to 12.5 Gbps
Network baseline6.25 Gbps
Network peak12.5 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces8
IPv4 addresses per interface30
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughputUp to 6667 Mbps
EBS baseline bandwidth5,000 Mbps
EBS max bandwidth10,000 Mbps
EBS baseline throughput625 MB/s
EBS max throughput1,250 MB/s
EBS baseline IOPS20,000
EBS max IOPS40,000
Max EBS volumes27
Instance detailsValue
Instance typec6a.4xlarge
Familyc6a
CategoryCompute optimized
Current generationYes
Normalization factor32
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationYes
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare c6a.4xlarge

Other processors

vs c6g.4xlargevs c6i.4xlarge

Compute and memory optimized

vs m6a.4xlargevs r6a.4xlarge

Other generations

vs c5a.4xlargevs c7a.4xlarge

Other c6a sizes

SizevCPUsMemory (GiB)On-demand /hr
c6a.large24$0.0765
c6a.xlarge48$0.153
c6a.2xlarge816$0.306
c6a.4xlarge1632$0.612
c6a.8xlarge3264$1.224
c6a.12xlarge4896$1.836
c6a.16xlarge64128$2.448
c6a.24xlarge96192$3.672
c6a.32xlarge128256$4.896
c6a.48xlarge192384$7.344
c6a.metal192384$7.344

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