r8i.12xlarge

    $3.9955/hr

    ~$2916.73/month on-demand in ap-southeast-2

    The r8i.12xlarge is a Memory optimized instance with 48 vCPUs and 384 GiB of memory with up to 22.5 Gbps bandwidth, starting at $3.996 per hour.

    Last updated: Jan 15, 2026, 12:23 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
    $2.8895/hr
    ~$2109.31/mo
    Save 28%
    3 Year - No Upfront
    $2.0726/hr
    ~$1513.01/mo
    Save 48%

    EC2 Instance SP

    Locked to family - cheaper

    1 Year - No Upfront
    $2.6401/hr
    ~$1927.27/mo
    Save 34%
    3 Year - No Upfront
    $1.8154/hr
    ~$1325.23/mo
    Save 55%

    Reserved

    Region & instance locked

    Spot Pricing

    Up to 90% savings - flexible workloads

    Cheapest AZ
    ap-southeast-2c
    $1.5375/hr
    ~$1122.38/mo
    Save 42% vs On-Demand
    <5%interruption rate
    Price Range (24h)
    Min
    $1.3503
    Avg
    $1.9509
    Max
    $2.9299
    All Availability Zones
    ap-southeast-2c$1.5375/hr
    ap-southeast-2a$1.4995/hr
    ap-southeast-2a$1.3745/hr
    ap-southeast-2a$2.9299/hr
    ap-southeast-2c$2.7194/hr
    ap-southeast-2a$1.8929/hr
    ap-southeast-2c$1.6625/hr
    ap-southeast-2c$2.0559/hr

    r8i Family

    Switch between sizes in ap-southeast-2

    SizevCPUMem
    large216
    xlarge432
    2xlarge864
    4xlarge16128
    8xlarge32256
    12xlarge48384
    16xlarge64512
    24xlarge96768
    32xlarge1281024
    48xlarge1921536
    metal-48xl1921536
    96xlarge3843072
    metal-96xl3843072

    Instance Specifications

    Detailed hardware and capabilities for r8i.12xlarge

    Processor

    ManufacturerIntel
    Clock Speed3.9 GHz
    Sustained Speed3.9 GHz
    Architecturex86_64
    vCPUs48
    Memory384 GiB
    Memory per vCPU8.00 GiB

    Network

    Performance22.5 Gigabit
    Bandwidth22.5 Gbps
    Max Interfaces12
    IPv4 per Interface50
    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

    FamilyR8I
    GenerationCurrent
    Burstable
    Bare Metal
    Dedicated Hosts
    Hibernation
    Auto Recovery
    Free Tier
    Usage Classeson-demand, spot
    Root Devicesebs
    Virtualizationhvm

    Regional Pricing Comparison

    Compare r8i.12xlarge (Linux) pricing across all regions - sorted by cost

    Current region (ap-southeast-2)Other regions
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