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a1.medium

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Part of the A1 General Purpose family — Balanced compute, memory, and networking for a wide range of workloads.

Name:aGeneral Purpose (1st Gen Graviton)a = General Purpose (1st Gen Graviton)First-generation ARM-based AWS Graviton processor instances for scale-out web applications.11st Generation1 = 1st GenerationAWS 1st generation hardware platform with updated CPU/system architecture.mediumMediummedium = Medium1 vCPUs • 2.0 GiB RAM • EBS only • Up to 10 Gigabit Network
Price (Linux)
$0.0255/ hr
~$18.62/mo
Compute
1vCPUs
1 cores • arm64
Memory
2.0GiB
2.0 GiB / vCPU
Value
$0.0255/ vCPU-hr
$0.0127/GiB-hr
Network
10Gbps
Baseline: 0.5 Gbps
Storage & EBS
437.5MB/s
Max: 20,000 IOPS

Technical Specifications & Limits

Hardware specs, container thresholds, and system limits

Compute & Processor

ProcessorAWS Graviton Processor
Architecturearm64 (ARM64 (Graviton))
vCPUs / Threads1 vCPUs
Physical Cores1
Clock Speed2.3 GHz
Intel AVX / AVX2No
Intel Turbo BoostNo
Bare MetalNo (Virtualized)

Performance & Benchmarks

CoreMark Score11,878
CoreMark / vCPU11,877.9 / core
FFmpeg Transcoding—
CoreMark per Dollar465,804 score / $
Cost per vCPU-hr$0.0255
Cost per GiB-hr$0.0127

Containers & Kubernetes

EKS Max Pods8 pods
Max ECS Tasks10 tasks
Max ENIs2
IPv4/v6 per ENI4
Total Addressable IPs8 total IPs
CNI Prefix DelegationSupported (High Density)

Networking & Bandwidth

Network PerformanceUp to 10 Gigabit
Baseline Bandwidth0.5 Gbps
Burst / Peak Bandwidth10 Gbps
Enhanced NetworkingYes
EFA SupportNo
IPv6 SupportNative Dual-Stack Supported

Storage & EBS Optimization

Storage ConfigurationEBS only
Local NVMe DiskNone (EBS only)
EBS Baseline Throughput37.5 MB/s
EBS Max Throughput437.5 MB/s
EBS Baseline IOPS2,500
EBS Max / Burst IOPS20,000
Dedicated EBS ThroughputUp to 3500 Mbps

Platform & Architecture Details

Hypervisor / SystemAWS Nitro System (PCIe Offload)
Nitro EnclavesNot Supported
Normalization Factor2
Generation StatusPrevious Generation
Date Introduced2018-11-26

Regional Pricing Matrix

Live on-demand rates across all global AWS cloud regions
Lowest Price Region
$0.0255/ hr
Asia Pacific (Mumbai) (ap-south-1)
Highest Price Region
$0.0333/ hr
Asia Pacific (Sydney) (ap-southeast-2)
Global Fleet Average
$0.0283/ hr
Across all active regions
Regional Coverage
9regions
Available worldwide
Linux — Available in all 9 regions
Region NameRegion CodeOn-Demand Price
Asia Pacific (Mumbai)Lowest
ap-south-1$0.0255
Asia Pacific (Singapore)
ap-southeast-1$0.0294
Asia Pacific (Sydney)Highest
ap-southeast-2$0.0333
Asia Pacific (Tokyo)
ap-northeast-1$0.0321
EU (Frankfurt)
eu-central-1$0.0291
EU (Ireland)
eu-west-1$0.0288
US East (N. Virginia)Lowest
us-east-1$0.0255
US East (Ohio)Lowest
us-east-2$0.0255
US West (Oregon)Lowest
us-west-2$0.0255