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r6a.4xlarge

Data updated at: October 24, 2025 at 12:40 AM UTC

Amazon EC2 instance r6a.4xlarge with 16 vCPUs, 128 GiB RAM . Available in 12 regions starting from $417.56 per month.
Instance Typer6a.4xlarge
Instance FamilyMemory optimized
DetailsHigh-performance databases, data mining/analysis, in-memory databases, distributed large-scale caches, real-time processing apps for unstructured big data, Hadoop/Spark clusters, and other enterprise apps.

r – RAM / memory optimized
6 – Generation
a – AMD processor
4xlarge – Size
vCPUs16
Memory128 GiB
CPU Architecturex86_64
ProcessorAMD EPYC 7R13 Processor
Clock Speed3.6 GHz
Threads Per Core2
Accelerators
GPUno
Inference Acceleratorno
FPGAno
Instances
Sizesr6a.large, r6a.xlarge, r6a.2xlarge, r6a.4xlarge, r6a.8xlarge, r6a.12xlarge, r6a.16xlarge, r6a.24xlarge, r6a.32xlarge, r6a.48xlarge, r6a.metal
Generationsr5a.4xlarge, r6a.4xlarge, r7a.4xlarge
Variantsr6g.4xlarge, r6gd.4xlarge, r6i.4xlarge, r6id.4xlarge, r6idn.4xlarge, r6in.4xlarge
Free Tierno
Burstableno
Hibernationyes
Instance StorageEBS only
EBS (Elastic Block Store)
EBS Optimizeddefault
Encryptionsupported
NVMerequired
Dedicated Throughputup to 6667 MBps
Optimized Baseline Bandwidth5000 Mbps
Optimized Baseline Throughput625 Mbps
Optimized Baseline Performance20000 IOPS
Optimized Max Performance40000 IOPS
Optimized Max Bandwidth10000 Mbps
Optimized Max Throughput1250 Mbps
Networking
Networking PerformanceUp to 12500 Megabit
Enhanced Networkingyes
Max Interfaces8
Max Cards1
IPv4 Addresses per Interface30
IPv6 Addresses per Interface30
IPv6 Supportyes
ENA Supportrequired
EFA Supportno
Encryption in Transit Supportyes
ENA SRD Supportno

Regional Availability

US
GovCloud (US-East) / us-gov-east-1
GovCloud (US-West) / us-gov-west-1
US East (Ohio) / us-east-2
US East (Virginia) / us-east-1
US West (N. California) / us-west-1
US West (Oregon) / us-west-2
Central America
Mexico (Central) / mx-central-1
Canada
Canada (Central) / ca-central-1
Canada West (Calgary) / ca-west-1
Europe
Europe (Ireland) / eu-west-1
Europe (London) / eu-west-2
Europe (Frankfurt) / eu-central-1
Europe (Milan) / eu-south-1
Europe (Paris) / eu-west-3
Europe (Spain) / eu-south-2
Europe (Stockholm) / eu-north-1
Europe (Zurich) / eu-central-2
Africa
Africa (Cape Town) / af-south-1
South America
South America (São Paulo) / sa-east-1
Asia Pacific
Asia Pacific (Hong Kong) / ap-east-1
Asia Pacific (Hyderabad) / ap-south-2
Asia Pacific (Jakarta) / ap-southeast-3
Asia Pacific (Malaysia) / ap-southeast-5
Asia Pacific (Melbourne) / ap-southeast-4
Asia Pacific (Mumbai) / ap-south-1
Asia Pacific (New Zealand) / ap-southeast-6
Asia Pacific (Osaka) / ap-northeast-3
Asia Pacific (Seoul) / ap-northeast-2
Asia Pacific (Singapore) / ap-southeast-1
Asia Pacific (Sydney) / ap-southeast-2
Asia Pacific (Taipei) / ap-east-2
Asia Pacific (Thailand) / ap-southeast-7
Asia Pacific (Tokyo) / ap-northeast-1
Middle East
Israel (Tel Aviv) / il-central-1
Middle East (Bahrain) / me-south-1
Middle East (UAE) / me-central-1

Regional Prices

Geography
Region Name
Region
Savings Options
Instance Price
Asia PacificAsia Pacific (Mumbai)ap-south-1compare0.5720
Asia PacificAsia Pacific (Hyderabad)ap-south-2compare0.5720
HiddenHiddenhidden-1compare0.9072
HiddenHiddenhidden-2compare0.9072
USUS East (Virginia)us-east-1compare0.9072
HiddenHiddenhidden-3compare0.9936
HiddenHiddenhidden-4compare1.0080
HiddenHiddenhidden-5compare1.0152
HiddenHiddenhidden-6compare1.0872
HiddenHiddenhidden-7compare1.0944
HiddenHiddenhidden-8compare1.0944
HiddenHiddenhidden-9compare1.0944
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Similar Alternative Instances

Instance Type
Region
vCPUs
Memory (GiB)
GPU Name
Instance Price
Price Diff %
r6a.4xlargeUS East (Virginia) (us-east-1)161280.90720%
r6i.4xlargeUS East (Virginia) (us-east-1)161281.008011%
r7a.4xlargeUS East (Virginia) (us-east-1)161281.217234%
r6in.4xlargeUS East (Virginia) (us-east-1)161281.394654%
r6idn.4xlargeUS East (Virginia) (us-east-1)161281.563172%