r5b.xlarge

    $0.3560/hr

    ~$259.88/month on-demand in ap-southeast-1

    The r5b.xlarge is a Memory optimized instance with 4 vCPUs and 32 GiB of memory with up to 1.25 Gbps bandwidth, starting at $0.356 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
    $0.2605/hr
    ~$190.19/mo
    Save 27%
    3 Year - No Upfront
    $0.1688/hr
    ~$123.21/mo
    Save 53%

    EC2 Instance SP

    Locked to family - cheaper

    1 Year - No Upfront
    $0.2243/hr
    ~$163.72/mo
    Save 37%
    3 Year - No Upfront
    $0.1469/hr
    ~$107.22/mo
    Save 59%

    Reserved

    Region & instance locked

    1 Year - No Upfront
    $0.2243/hr
    ~$163.72/mo
    Save 37%
    3 Year - No Upfront
    $0.1469/hr
    ~$107.22/mo
    Save 59%

    Spot Pricing

    Up to 90% savings - flexible workloads

    Cheapest AZ
    ap-southeast-1b
    $0.2110/hr
    ~$154.03/mo
    Save 50% vs On-Demand
    >20%interruption rate
    Price Range (24h)
    Min
    $0.1449
    Avg
    $0.2099
    Max
    $0.3179
    All Availability Zones
    ap-southeast-1b$0.2110/hr
    ap-southeast-1a$0.2056/hr
    ap-southeast-1b$0.3179/hr
    ap-southeast-1a$0.1480/hr
    ap-southeast-1c$0.2565/hr
    ap-southeast-1b$0.1547/hr
    ap-southeast-1a$0.2563/hr
    ap-southeast-1c$0.2086/hr
    ap-southeast-1c$0.2073/hr
    ap-southeast-1b$0.2123/hr
    ap-southeast-1c$0.1510/hr
    ap-southeast-1a$0.2043/hr

    r5b Family

    Switch between sizes in ap-southeast-1

    SizevCPUMem
    large216
    xlarge432
    2xlarge864
    4xlarge16128
    8xlarge32256
    12xlarge48384
    16xlarge64512
    24xlarge96768
    metal96768

    Instance Specifications

    Detailed hardware and capabilities for r5b.xlarge

    Processor

    ManufacturerIntel
    Clock Speed3.1 GHz
    Sustained Speed3.1 GHz
    Architecturex86_64
    vCPUs4
    Memory32 GiB
    Memory per vCPU8.00 GiB

    Network

    PerformanceUp to 10 Gigabit
    Bandwidth1.25 Gbps
    Max Interfaces4
    IPv4 per Interface15
    Enhanced Networking
    EFA Support
    IPv6

    Storage

    EBS Only
    EBS Optimized
    EBS Encryption
    EBS NVMe Support
    Max Bandwidth10000 Mbps (1250.00 MB/s)
    Max IOPS43,333
    Baseline Bandwidth2500 Mbps (312.50 MB/s)
    Baseline IOPS10,833

    Capabilities

    FamilyR5B
    GenerationCurrent
    Burstable
    Bare Metal
    Dedicated Hosts
    Hibernation
    Auto Recovery
    Free Tier
    Usage Classeson-demand, spot
    Root Devicesebs
    Virtualizationhvm

    Regional Pricing Comparison

    Compare r5b.xlarge (Linux) pricing across all regions - sorted by cost

    Current region (ap-southeast-1)Other regions
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