r5a.16xlarge

    $3.6160/hr

    ~$2639.68/month on-demand in us-east-1

    The r5a.16xlarge is a Memory optimized instance with 64 vCPUs and 512 GiB of memory with up to 12 Gbps bandwidth, starting at $3.616 per hour.

    Last updated: Jan 14, 2026, 12:24 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
    $2.6270/hr
    ~$1917.71/mo
    Save 27%
    3 Year - No Upfront
    $1.8860/hr
    ~$1376.78/mo
    Save 48%

    EC2 Instance SP

    Locked to family - cheaper

    1 Year - No Upfront
    $2.2780/hr
    ~$1662.94/mo
    Save 37%
    3 Year - No Upfront
    $1.5620/hr
    ~$1140.26/mo
    Save 57%

    Reserved

    Region & instance locked

    1 Year - No Upfront
    $2.2780/hr
    ~$1662.94/mo
    Save 37%
    3 Year - No Upfront
    $1.5620/hr
    ~$1140.26/mo
    Save 57%

    Spot Pricing

    Up to 90% savings - flexible workloads

    Cheapest AZ
    us-east-1a
    $1.8831/hr
    ~$1374.66/mo
    Save 50% vs On-Demand
    15-20%interruption rate
    Price Range (24h)
    Min
    $0.9384
    Avg
    $1.8420
    Max
    $3.3382
    All Availability Zones
    us-east-1a$1.8831/hr
    us-east-1f$1.0676/hr
    us-east-1b$1.2239/hr
    us-east-1b$1.7899/hr
    us-east-1a$1.3171/hr
    us-east-1a$1.1921/hr
    us-east-1f$1.6336/hr
    us-east-1f$0.9426/hr
    us-east-1d$3.3381/hr
    us-east-1f$3.3382/hr
    us-east-1c$3.3379/hr
    us-east-1b$1.0989/hr
    us-east-1b$3.3381/hr
    us-east-1a$3.3382/hr
    us-east-1d$1.7690/hr
    us-east-1d$1.2030/hr
    us-east-1d$1.0780/hr
    us-east-1c$1.7607/hr
    us-east-1c$1.1947/hr
    us-east-1c$1.0697/hr

    r5a Family

    Switch between sizes in us-east-1

    SizevCPUMem
    large216
    xlarge432
    2xlarge864
    4xlarge16128
    8xlarge32256
    12xlarge48384
    16xlarge64512
    24xlarge96768

    Instance Specifications

    Detailed hardware and capabilities for r5a.16xlarge

    Processor

    ManufacturerAMD
    Clock Speed2.5 GHz
    Sustained Speed2.5 GHz
    Architecturex86_64
    vCPUs64
    Memory512 GiB
    Memory per vCPU8.00 GiB

    Network

    Performance12 Gigabit
    Bandwidth12 Gbps
    Max Interfaces15
    IPv4 per Interface50
    Enhanced Networking
    EFA Support
    IPv6

    Storage

    EBS Only
    EBS Optimized
    EBS Encryption
    EBS NVMe Support
    Max Bandwidth9500 Mbps (1187.50 MB/s)
    Max IOPS40,000
    Baseline Bandwidth9500 Mbps (1187.50 MB/s)
    Baseline IOPS40,000

    Capabilities

    FamilyR5A
    GenerationCurrent
    Burstable
    Bare Metal
    Dedicated Hosts
    Hibernation
    Auto Recovery
    Free Tier
    Usage Classeson-demand, spot
    Root Devicesebs
    Virtualizationhvm

    Regional Pricing Comparison

    Compare r5a.16xlarge (Linux) pricing across all regions - sorted by cost

    Current region (us-east-1)Other regions
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