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r8i-flex.4xlarge

The r8i-flex.4xlarge instance is in the Memory optimized family with 16 vCPUs, 128 GiB of memory and up to 15 Gbps of bandwidth starting at $1.0558 per hour.

$1.056

ON DEMAND

$0.33868%

SPOT

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Alternatives for r8i-flex.4xlarge

List of similar for price per hour for r8i-flex.4xlarge / Linux instance with payment type On-Demand in region US East (Ohio). Sometimes instances with fewer vCPUs are better or have the same performance but less price.

r6gd.2xlarge
US East (Ohio)·8 vCPUs·64 GiB
$0.4608h56.35%
r8g.2xlarge
US East (Ohio)·8 vCPUs·64 GiB
$0.4713h55.36%
r8i-flex.2xlarge
US East (Ohio)·8 vCPUs·64 GiB
$0.5279h50%
m6g.4xlarge
US East (Ohio)·16 vCPUs·64 GiB
$0.6160h41.65%
x2gd.2xlarge
US East (Ohio)·8 vCPUs·128 GiB
$0.6680h36.73%
i8g.2xlarge
US East (Ohio)·8 vCPUs·64 GiB
$0.6864h34.99%
x8g.2xlarge
US East (Ohio)·8 vCPUs·128 GiB
$0.7816h25.97%
r5a.4xlarge
US East (Ohio)·16 vCPUs·128 GiB
$0.9040h14.37%
r6gd.4xlarge
US East (Ohio)·16 vCPUs·128 GiB
$0.9216h12.71%
m7a.4xlarge
US East (Ohio)·16 vCPUs·64 GiB
$0.9274h12.16%

Instance Family

SizevCPUsMemory (GiB)
r8i-flex.large216
r8i-flex.xlarge432
r8i-flex.2xlarge864
r8i-flex.4xlarge16128
r8i-flex.8xlarge32256
r8i-flex.12xlarge48384
r8i-flex.16xlarge64512

Data updated at: March 30, 2026 at 2:12 PM UTC

Instance Typer8i-flex.4xlarge
Instance FamilyMemory optimized
vCPUs16
Memory (GiB)128
Memory per vCPU (GiB)8
Physical ProcessorIntel
Clock Speed (GHz)3.9 GHz
CPU Architecturex86_64
GenerationCurrent
EC2 Compute UnitsVariable
Instance StorageEBS only

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Regional Prices