r8i-flex.8xlarge

    $2.3126/hr

    ~$1688.23/month on-demand in ca-central-1

    The r8i-flex.8xlarge is a Memory optimized instance with 32 vCPUs and 256 GiB of memory with up to 7.5 Gbps bandwidth, starting at $2.313 per hour.

    Last updated: Jan 16, 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
    $1.6717/hr
    ~$1220.30/mo
    Save 28%
    3 Year - No Upfront
    $1.2010/hr
    ~$876.74/mo
    Save 48%

    EC2 Instance SP

    Locked to family - cheaper

    1 Year - No Upfront
    $1.5335/hr
    ~$1119.46/mo
    Save 34%
    3 Year - No Upfront
    $1.0452/hr
    ~$763.01/mo
    Save 55%

    Reserved

    Region & instance locked

    Spot Pricing

    Up to 90% savings - flexible workloads

    Cheapest AZ
    ca-central-1b
    $1.9111/hr
    ~$1395.10/mo
    Save 37% vs On-Demand
    15-20%interruption rate
    Price Range (24h)
    Min
    $0.4974
    Avg
    $1.0993
    Max
    $1.9405
    All Availability Zones
    ca-central-1b$1.9111/hr
    ca-central-1a$0.8612/hr
    ca-central-1d$0.8926/hr
    ca-central-1d$1.9405/hr
    ca-central-1a$1.9369/hr
    ca-central-1a$0.6406/hr
    ca-central-1a$0.5156/hr
    ca-central-1d$0.7676/hr
    ca-central-1d$1.1132/hr
    ca-central-1b$1.0876/hr
    ca-central-1b$0.8670/hr
    ca-central-1b$0.7420/hr

    Instance Specifications

    Detailed hardware and capabilities for r8i-flex.8xlarge

    Processor

    ManufacturerIntel
    Clock Speed3.9 GHz
    Sustained Speed3.9 GHz
    Architecturex86_64
    vCPUs32
    Memory256 GiB
    Memory per vCPU8.00 GiB

    Network

    PerformanceUp to 15 Gigabit
    Bandwidth7.5 Gbps
    Max Interfaces10
    IPv4 per Interface50
    Enhanced Networking
    EFA Support
    IPv6

    Storage

    EBS Only
    EBS Optimized
    EBS Encryption
    EBS NVMe Support
    Max Bandwidth10000 Mbps (1250.00 MB/s)
    Max IOPS40,000
    Baseline Bandwidth5000 Mbps (625.00 MB/s)
    Baseline IOPS20,000

    Capabilities

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

    Regional Pricing Comparison

    Compare r8i-flex.8xlarge (Linux) pricing across all regions - sorted by cost

    Current region (ca-central-1)Other regions
    💡 Click any bar to open that region in a new tab