c8a.4xlarge

c8a.4xlarge is an AWS EC2 instance with 16 vCPUs, 32 GiB memory (AMD EPYC 9R45 Processor). In US East (N. Virginia) it costs $0.8622 per hour on demand ($629.41 per month) for Linux. Spot capacity is about $0.2549 per hour. It is sold in 7 regions.

Prices by region

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

RegionOn-demandSpot1-yr savings plan3-yr savings plan
US East (N. Virginia) us-east-1$0.8622$0.2549$0.623$0.4163
US East (Ohio) us-east-2$0.8622$0.2826$0.623$0.4163
US West (Oregon) us-west-2$0.8622$0.2778$0.623$0.4163
Europe (Spain) eu-south-2$0.9249$0.1026$0.707$0.4836
EU (Ireland) eu-west-1$0.925$0.4372$0.7069$0.4834
EU (Frankfurt) eu-central-1$0.9839$0.4107$0.7488$0.5105
Asia Pacific (Tokyo) ap-northeast-1$1.085$0.3558$0.8239$0.565
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$0.8622––
Ubuntu Pro$0.8902––
SUSE$0.9872––
RHEL$1.035––
Linux SQL Web$1.133––
RHEL HA$1.259––
RHEL SQL Web$1.305––
Windows$1.598––
Windows SQL Web$1.869––
Linux SQL Std$2.782––
RHEL SQL Std$2.955––
RHEL HA SQL Std$3.179––
Windows SQL Std$3.518––
Linux SQL Ent$6.862––
RHEL SQL Ent$7.035––
RHEL HA SQL Ent$7.259––
Windows SQL Ent$7.598––

Specs

ComputeValue
vCPUs16
Physical cores16
Threads per core1
Architecturex86_64
ProcessorAMD EPYC 9R45 Processor
CPU makerAMD
Clock speedUp to 4.5 GHz
Sustained clock4.5 GHz
Processor featuresAMD Turbo; AVX; AVX2; AVX512
BurstableNo
MemoryValue
Memory (GiB)32
NetworkingValue
NetworkUp to 15 Gbps
Network baseline7.5 Gbps
Network peak15 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces8
IPv4 addresses per interface40
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughputUp to 10000 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 volumes32
Instance detailsValue
Instance typec8a.4xlarge
Familyc8a
CategoryCompute optimized
Current generationYes
Normalization factor32
Bare metalNo
HypervisorNitro
Placement groupsCluster, Partition, Spread
HibernationYes
Nitro EnclavesYes
Boot modesLegacy BIOS, UEFI

Compare c8a.4xlarge

Other processors

vs c8g.4xlargevs c8i.4xlarge

Compute and memory optimized

vs r8a.4xlargevs m8a.4xlarge

Other generations

vs c7a.4xlarge

Other c8a sizes

SizevCPUsMemory (GiB)On-demand /hr
c8a.medium12$0.0539
c8a.large24$0.1078
c8a.xlarge48$0.2155
c8a.2xlarge816$0.4311
c8a.4xlarge1632$0.8622
c8a.8xlarge3264$1.724
c8a.12xlarge4896$2.587
c8a.16xlarge64128$3.449
c8a.24xlarge96192$5.173
c8a.metal-24xl96192$5.173
c8a.48xlarge192384$10.346
c8a.metal-48xl192384$10.346

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