r6a.12xlarge

    $2.7216/hr

    ~$1986.77/month on-demand in us-east-1

    The r6a.12xlarge is a Memory optimized instance with 48 vCPUs and 384 GiB of memory with up to 18.75 Gbps bandwidth, starting at $2.722 per hour.

    Last updated: Jan 14, 2026, 12:21 PM UTC

    Pricing varies by operating system

    All pricing cards update to show this payment type

    Pricing Options

    Compute SP

    Most flexible - any instance

    1 Year - No Upfront
    $1.9718/hr
    ~$1439.41/mo
    Save 28%
    3 Year - No Upfront
    $1.4197/hr
    ~$1036.38/mo
    Save 48%

    EC2 Instance SP

    Locked to family - cheaper

    1 Year - No Upfront
    $1.8003/hr
    ~$1314.25/mo
    Save 34%
    3 Year - No Upfront
    $1.2345/hr
    ~$901.20/mo
    Save 55%

    Reserved

    Region & instance locked

    1 Year - No Upfront
    $1.8003/hr
    ~$1314.25/mo
    Save 34%
    3 Year - No Upfront
    $1.2345/hr
    ~$901.20/mo
    Save 55%

    Spot Pricing

    Up to 90% savings - flexible workloads

    Cheapest AZ
    us-east-1c
    $1.4172/hr
    ~$1034.56/mo
    Save 50% vs On-Demand
    10-15%interruption rate
    Price Range (24h)
    Min
    $0.8924
    Avg
    $1.4876
    Max
    $2.5047
    All Availability Zones
    us-east-1c$1.4172/hr
    us-east-1c$1.0238/hr
    us-east-1d$1.0373/hr
    us-east-1c$0.8988/hr
    us-east-1d$1.4307/hr
    us-east-1c$2.5046/hr
    us-east-1f$1.4576/hr
    us-east-1f$1.0642/hr
    us-east-1a$1.0520/hr
    us-east-1d$0.9123/hr
    us-east-1b$1.1480/hr
    us-east-1a$0.9270/hr
    us-east-1b$1.5414/hr
    us-east-1d$2.5045/hr
    us-east-1f$2.4802/hr
    us-east-1a$1.4454/hr
    us-east-1b$2.5047/hr
    us-east-1a$2.4802/hr
    us-east-1b$1.0230/hr
    us-east-1f$0.9392/hr

    r6a Family

    Switch between sizes in us-east-1

    SizevCPUMem
    large216
    xlarge432
    2xlarge864
    4xlarge16128
    8xlarge32256
    12xlarge48384
    16xlarge64512
    24xlarge96768
    32xlarge1281024
    48xlarge1921536
    metal1921536

    Instance Specifications

    Detailed hardware and capabilities for r6a.12xlarge

    Processor

    ManufacturerAMD
    Clock Speed3.6 GHz
    Sustained Speed3.6 GHz
    Architecturex86_64
    vCPUs48
    Memory384 GiB
    Memory per vCPU8.00 GiB

    Network

    Performance18.75 Gigabit
    Bandwidth18.75 Gbps
    Max Interfaces8
    IPv4 per Interface30
    Enhanced Networking
    EFA Support
    IPv6

    Storage

    EBS Only
    EBS Optimized
    EBS Encryption
    EBS NVMe Support
    Max Bandwidth15000 Mbps (1875.00 MB/s)
    Max IOPS60,000
    Baseline Bandwidth15000 Mbps (1875.00 MB/s)
    Baseline IOPS60,000

    Capabilities

    FamilyR6A
    GenerationCurrent
    Burstable
    Bare Metal
    Dedicated Hosts
    Hibernation
    Auto Recovery
    Free Tier
    Usage Classeson-demand, spot
    Root Devicesebs
    Virtualizationhvm

    Regional Pricing Comparison

    Compare r6a.12xlarge (Linux) pricing across all regions - sorted by cost

    Current region (us-east-1)Other regions
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