Instances AWS EC2 r5ad.12xlarge
r5ad.12xlarge
r5ad.12xlarge is an AWS EC2 instance with 48 vCPUs, 384 GiB memory (AMD EPYC 7571). In US East (N. Virginia) it costs $3.144 per hour on demand ($2,295.12 per month) for Linux; a 1-year reserved instance with no upfront costs $1.981 per hour, 37% less. Spot capacity is about $0.7813 per hour. It is sold in 16 regions; the cheapest is Asia Pacific (Mumbai) at $1.993 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 $3.144 $1.981 $1.358 Ubuntu Pro $3.228 – – SUSE $3.269 $2.041 $1.412 RHEL $3.662 $2.499 $1.877 Linux SQL Web $3.955 $2.792 $2.169 RHEL HA $4.334 $3.171 $2.549 RHEL SQL Web $4.474 – – Windows $5.352 $4.189 $3.566 Windows SQL Web $6.163 $5.00 $4.377 Linux SQL Std $8.904 $7.741 $7.118 RHEL SQL Std $9.422 – – RHEL HA SQL Std $10.094 – – Windows SQL Std $11.112 $9.949 $9.326 Linux SQL Ent $21.144 $19.981 $19.358 RHEL SQL Ent $21.662 – – RHEL HA SQL Ent $22.334 – – Windows SQL Ent $23.352 $22.189 $21.566
Compute Value vCPUs 48 Physical cores 24 Threads per core 2 Architecture x86_64 Processor AMD EPYC 7571 CPU maker AMD Clock speed 2.5 GHz Sustained clock 2.2 GHz Processor features AVX; AVX2; AMD Turbo Burstable No
Memory Value Memory (GiB) 384
Networking Value Network 10 Gbps Network baseline 10 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 2 x 900 NVMe SSD Local disks 2 × 900 GB SSD EBS optimized Yes EBS over NVMe Required EBS throughput 5000 Mbps EBS baseline bandwidth 6,780 Mbps EBS max bandwidth 6,780 Mbps EBS baseline throughput 847.5 MB/s EBS max throughput 847.5 MB/s EBS baseline IOPS 30,000 EBS max IOPS 30,000 Max EBS volumes 25
Instance details Value Instance type r5ad.12xlarge Family r5ad Category Memory optimized Current generation Yes Normalization factor 96 Bare metal No Hypervisor Nitro Placement groups Cluster, Partition, Spread Hibernation No Nitro Enclaves Yes Boot modes Legacy BIOS, UEFI
Compute and memory optimized
Other processors
With or without local disk and networking
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances .