Instances AWS EC2 r8ib.12xlarge r8ib.12xlarge
r8ib.12xlarge is an AWS EC2 instance with 48 vCPUs, 384 GiB memory (Intel Xeon Scalable (Granite Rapids)). In US East (N. Virginia) it costs $5.021 per hour on demand ($3,665.18 per month) for Linux. Spot capacity is about $2.17 per hour. It is sold in 8 regions.
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 $5.021 – – Ubuntu Pro $5.105 – – SUSE $5.146 – – RHEL $5.539 – – Linux SQL Web $5.832 – – RHEL HA $6.211 – – RHEL SQL Web $6.35 – – Windows $7.229 – – Windows SQL Web $8.04 – – Linux SQL Std $10.781 – – RHEL SQL Std $11.299 – – RHEL HA SQL Std $11.971 – – Windows SQL Std $12.989 – – Linux SQL Ent $23.021 – – RHEL SQL Ent $23.539 – – RHEL HA SQL Ent $24.211 – – Windows SQL Ent $25.229 – –
Compute Value vCPUs 48 Physical cores 24 Threads per core 2 Architecture x86_64 Processor Intel Xeon Scalable (Granite Rapids) CPU maker Intel Clock speed 3.9 GHz Sustained clock 3.9 GHz Processor features Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX Burstable No
Memory Value Memory (GiB) 384
Networking Value Network 50 Gbps Network baseline 50 Gbps Network peak 50 Gbps Enhanced networking Yes (ENA) EFA No IPv6 Yes Max network interfaces 12 IPv4 addresses per interface 50
Storage Value Storage EBS only EBS optimized Yes EBS over NVMe Required EBS throughput 37500 Mbps EBS baseline bandwidth 37,500 Mbps EBS max bandwidth 37,500 Mbps EBS baseline throughput 4,687.5 MB/s EBS max throughput 4,687.5 MB/s EBS baseline IOPS 180,000 EBS max IOPS 180,000 Max EBS volumes 32
Instance details Value Instance type r8ib.12xlarge Family r8ib 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
With or without local disk and networking
Compute and memory optimized
Other processors
Other generations
Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances .