Instances AWS EC2 c5a.4xlarge
c5a.4xlarge
c5a.4xlarge is an AWS EC2 instance with 16 vCPUs, 32 GiB memory (AMD EPYC 7R32). In US East (N. Virginia) it costs $0.616 per hour on demand ($449.68 per month) for Linux; a 1-year reserved instance with no upfront costs $0.388 per hour, 37% less. Spot capacity is about $0.2238 per hour. It is sold in 22 regions; the cheapest is Asia Pacific (Mumbai) at $0.376 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 $0.616 $0.388 $0.266 Ubuntu Pro $0.644 – – SUSE $0.741 $0.448 $0.32 RHEL $0.789 $0.561 $0.439 Linux SQL Web $0.886 $0.658 $0.537 RHEL HA $1.013 $0.785 $0.663 RHEL SQL Web $1.059 – – Windows $1.352 $1.124 $1.002 Windows SQL Web $1.622 $1.394 $1.273 Linux SQL Std $2.536 $2.308 $2.186 RHEL SQL Std $2.709 – – RHEL HA SQL Std $2.933 – – Windows SQL Std $3.272 $3.044 $2.922 Linux SQL Ent $6.616 $6.388 $6.266 RHEL SQL Ent $6.789 – – RHEL HA SQL Ent $7.013 – – Windows SQL Ent $7.352 $7.124 $7.002
Compute Value vCPUs 16 Physical cores 8 Threads per core 2 Architecture x86_64 Processor AMD EPYC 7R32 CPU maker AMD Clock speed 3.3 GHz Sustained clock 3.3 GHz Processor features AMD Turbo; AVX; AVX2 Burstable No
Memory Value Memory (GiB) 32
Networking Value Network Up to 10 Gbps Network baseline 5 Gbps Network peak 10 Gbps Enhanced networking Yes (ENA) EFA No IPv6 Yes Max network interfaces 8 IPv4 addresses per interface 30
Storage Value Storage EBS only EBS optimized Yes EBS over NVMe Required EBS throughput Up to 3170 Mbps EBS baseline bandwidth 1,580 Mbps EBS max bandwidth 3,170 Mbps EBS baseline throughput 197.5 MB/s EBS max throughput 396.25 MB/s EBS baseline IOPS 6,600 EBS max IOPS 13,300 Max EBS volumes 27
Instance details Value Instance type c5a.4xlarge Family c5a Category Compute optimized Current generation Yes Normalization factor 32 Bare metal No Hypervisor Nitro Placement groups Cluster, Partition, Spread Hibernation No Nitro Enclaves Yes Boot modes Legacy BIOS, UEFI
Other processors
With or without local disk and networking
Compute and memory optimized
Other generations
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances .