r3.4xlarge

**Upgrade R3 to R4 where possible, do not use for new applications** The R4 family of instances provide a newer Intel Xeon processor, up to 488 GiB of RAM, are EBS optimized by default and support for Enhanced Networking with up to 25 Gbps offering lower latency, and low jitter.

The r3.4xlarge is a aws ec2 instance type featuring multiple vCPUs and optimized memory, commonly used for ec2 workloads.

Last updated at Tue Jun 09 2026
Instance Info
Compute Value
vCPUs 16
Memory 122 GiB
Physical Processor Intel Xeon E5-2670 v2 (Ivy Bridge)
Clock Speed 2.5 GHz
CPU Architecture 64-bit
GPU Memory NA
Network Value
Network Performance High
Enhanced Networking Yes
Storage Value
Storage 1 x 320 SSD
Amazon Value
Current Generation No
Instance Type r3.4xlarge
Family Memory optimized
Family Instances
Instance vCPUs Memory
r3.large 2 15
r3.xlarge 4 30
r3.2xlarge 8 61
r3.4xlarge 16 122
r3.8xlarge 32 244
Related Instances
Instance vCPUs Memory
i7i.4xlarge 16 128 GiB
i8ge.3xlarge 12 96 GiB
i8g.4xlarge 16 128 GiB
x8g.2xlarge 8 128 GiB
hpc7g.4xlarge 16 128 GiB