c5.18xlarge

    $3.0600/hr

    ~$2233.80/month on-demand in us-east-1

    The c5.18xlarge is a Compute optimized instance with 72 vCPUs and 144 GiB of memory with up to 25 Gbps bandwidth, starting at $3.060 per hour.

    Last updated: Jan 14, 2026, 12:25 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
    $2.2170/hr
    ~$1618.41/mo
    Save 28%
    3 Year - No Upfront
    $1.4770/hr
    ~$1078.21/mo
    Save 52%

    EC2 Instance SP

    Locked to family - cheaper

    1 Year - No Upfront
    $1.9280/hr
    ~$1407.44/mo
    Save 37%
    3 Year - No Upfront
    $1.2820/hr
    ~$935.86/mo
    Save 58%

    Reserved

    Region & instance locked

    1 Year - No Upfront
    $1.9280/hr
    ~$1407.44/mo
    Save 37%
    3 Year - No Upfront
    $1.2820/hr
    ~$935.86/mo
    Save 58%

    Spot Pricing

    Up to 90% savings - flexible workloads

    Cheapest AZ
    us-east-1f
    $1.0311/hr
    ~$752.70/mo
    Save 43% vs On-Demand
    >20%interruption rate
    Price Range (24h)
    Min
    $0.8782
    Avg
    $1.8372
    Max
    $3.7126
    All Availability Zones
    us-east-1f$1.0311/hr
    us-east-1c$1.7001/hr
    us-east-1b$1.6580/hr
    us-east-1b$0.9800/hr
    us-east-1f$0.9311/hr
    us-east-1d$1.0387/hr
    us-east-1a$1.1499/hr
    us-east-1d$1.7167/hr
    us-east-1a$1.8279/hr
    us-east-1f$1.7091/hr
    us-east-1a$1.0499/hr
    us-east-1b$0.8800/hr
    us-east-1f$3.6180/hr
    us-east-1d$3.6454/hr
    us-east-1d$0.9387/hr
    us-east-1a$3.7126/hr
    us-east-1c$3.6456/hr
    us-east-1b$3.6455/hr
    us-east-1c$1.0221/hr
    us-east-1c$0.9221/hr

    c5 Family

    Switch between sizes in us-east-1

    SizevCPUMem
    large24
    xlarge48
    2xlarge816
    4xlarge1632
    9xlarge3672
    12xlarge4896
    18xlarge72144
    24xlarge96192
    metal96192

    Instance Specifications

    Detailed hardware and capabilities for c5.18xlarge

    Processor

    ManufacturerIntel
    Clock Speed3.4 GHz
    Sustained Speed3.4 GHz
    Architecturex86_64
    vCPUs72
    Memory144 GiB
    Memory per vCPU2.00 GiB

    Network

    Performance25 Gigabit
    Bandwidth25 Gbps
    Max Interfaces15
    IPv4 per Interface50
    Enhanced Networking
    EFA Support
    IPv6

    Storage

    EBS Only
    EBS Optimized
    EBS Encryption
    EBS NVMe Support
    Max Bandwidth19000 Mbps (2375.00 MB/s)
    Max IOPS80,000
    Baseline Bandwidth19000 Mbps (2375.00 MB/s)
    Baseline IOPS80,000

    Capabilities

    FamilyC5
    GenerationCurrent
    Burstable
    Bare Metal
    Dedicated Hosts
    Hibernation
    Auto Recovery
    Free Tier
    Usage Classeson-demand, spot
    Root Devicesebs
    Virtualizationhvm

    Regional Pricing Comparison

    Compare c5.18xlarge (Linux) pricing across all regions - sorted by cost

    Current region (us-east-1)Other regions
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