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r8i-flex.12xlarge
Memory OptimizedvCPUs
48
Memory
384 GiB
Architecture
X86_64
Family
R8I-FLEX
r8i-flex.12xlarge on-demand pricing
$3.1673 / hour
$2312.11 / month at 730 hours
us-east-1 · Linux · shared tenancy · USD · on-demand compute only. EBS, data transfer, taxes and CPU-credit charges are excluded.
Price observed . Quotes are cached; this is not a capacity reservation or a price guarantee.
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Extended AWS specifications verified .
Compute
vCPUs48
Memory (GiB)384 GiB
Memory per vCPU (GiB)8
Physical ProcessorIntel
Clock Speed (GHz)3.9 GHz
CPU Architecturex86_64
GPU0
FPGA0
Networking
Network PerformanceUp to 22.5 Gigabit
Enhanced Networking✓ Yes
IPv6✓ Yes
Storage
EBS Optimized✓ Yes
Max Bandwidth (Mbps)15000
Amazon
Generationcurrent
Instance Typer8i-flex.12xlarge
FamilyR8I-FLEX
Namer8i-flex.12xlarge
Calculate Pricing
See on-demand, spot, and reserved instance pricing for this instance
View Pricing CalculatorR8I-FLEX family sizes
| Instance | vCPUs | Memory |
|---|---|---|
| r8i-flex.large | 2 | 16 GiB |
| r8i-flex.xlarge | 4 | 32 GiB |
| r8i-flex.2xlarge | 8 | 64 GiB |
| r8i-flex.4xlarge | 16 | 128 GiB |
| r8i-flex.8xlarge | 32 | 256 GiB |
| r8i-flex.12xlarge (current) | 48 | 384 GiB |
| r8i-flex.16xlarge | 64 | 512 GiB |
Other instances with 48 vCPUs and 384 GiB
Matching CPU and memory counts do not establish equivalent processor performance, networking, storage or application compatibility.
| Instance | vCPUs | Memory |
|---|---|---|
| r5.12xlarge | 48 | 384 GiB |
| r5a.12xlarge | 48 | 384 GiB |
| r5ad.12xlarge | 48 | 384 GiB |
| r5b.12xlarge | 48 | 384 GiB |
| r5d.12xlarge | 48 | 384 GiB |
| r5dn.12xlarge | 48 | 384 GiB |