Instances AWS EC2 c6a.16xlarge
c6a.16xlarge
c6a.16xlarge is an AWS EC2 instance with 64 vCPUs, 128 GiB memory (AMD EPYC 7R13 Processor). In US East (N. Virginia) it costs $2.448 per hour on demand ($1,787.04 per month) for Linux; a 1-year reserved instance with no upfront costs $1.619 per hour, 34% less. Spot capacity is about $0.7818 per hour. It is sold in 15 regions; the cheapest is Asia Pacific (Mumbai) at $1.496 per hour.
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.
Prices by operating system in US East (N. Virginia)
Operating system On-demand /hr 1-yr reserved /hr 3-yr reserved /hr Linux $2.448 $1.619 $1.078 Ubuntu Pro $2.56 – – SUSE $2.573 $1.679 $1.132 RHEL $3.139 $2.311 $1.769 Linux SQL Web $3.53 $2.701 $2.159 RHEL HA $4.035 $3.207 $2.665 RHEL SQL Web $4.221 – – Windows $5.392 $4.563 $4.022 Windows SQL Web $6.474 $5.645 $5.103 Linux SQL Std $10.128 $9.299 $8.758 RHEL SQL Std $10.819 – – RHEL HA SQL Std $11.715 – – Windows SQL Std $13.072 $12.243 $11.702 Linux SQL Ent $26.448 $25.619 $25.078 RHEL SQL Ent $27.139 – – RHEL HA SQL Ent $28.035 – – Windows SQL Ent $29.392 $28.563 $28.022
Compute Value vCPUs 64 Physical cores 32 Threads per core 2 Architecture x86_64 Processor AMD EPYC 7R13 Processor CPU maker AMD Clock speed 3.6 GHz Sustained clock 3.6 GHz Processor features AMD Turbo; AVX; AVX2 Burstable No
Memory Value Memory (GiB) 128
Networking Value Network 25 Gbps Network baseline 25 Gbps Network peak 25 Gbps Enhanced networking Yes (ENA) EFA No IPv6 Yes Max network interfaces 15 IPv4 addresses per interface 50
Storage Value Storage EBS only EBS optimized Yes EBS over NVMe Required EBS throughput 13333 Mbps EBS baseline bandwidth 20,000 Mbps EBS max bandwidth 20,000 Mbps EBS baseline throughput 2,500 MB/s EBS max throughput 2,500 MB/s EBS baseline IOPS 80,000 EBS max IOPS 80,000 Max EBS volumes 27
Instance details Value Instance type c6a.16xlarge Family c6a Category Compute optimized Current generation Yes Normalization factor 128 Bare metal No Hypervisor Nitro Placement groups Cluster, Partition, Spread Hibernation Yes Nitro Enclaves Yes Boot modes Legacy BIOS, UEFI
Other processors
Compute and memory optimized
Other generations
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances .