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im4gn.8xlarge pricing and specs in US West (Oregon)

32 vCPU · 128 GiB · 50 Gigabit · AWS Graviton2 Processor Graviton

$2.9103/hour on-demand · $2,125/month (Linux, Shared)

im4gn.8xlarge is a storage-optimized EC2 instance with 32 vCPU and 128 GiB, generation 4 of the im family on AWS Graviton (Arm). On-demand it costs $2.9103 an hour, about $2,125 a month if it runs all month. A one-year commitment with nothing up front works out at $1.8665 an hour and pays for itself above roughly 468 hours a month; below that, on-demand is cheaper. The three-year options go down to $1.1581 an hour, 60% below on-demand. There is no newer generation at this size in US West (Oregon). Across regions the cheapest place to run im4gn.8xlarge is US East (N. Virginia) (us-east-1) at $2.9103 an hour, 0% below US West (Oregon).

Pricing by OS (hourly, USD, Shared)

OptionLinuxWindowsRHELSUSEUbuntu Pro
On-Demand$2.9103—$3.2559$3.0353$2.9663
Spot$0.6491————
1y Std RI NU$1.8665—$2.2121$1.9265—
1y Std RI PU$1.7776—$2.1232$1.8375—
1y Std RI AU$1.7420—$2.0877$1.8019—
3y Std RI NU$1.3306—$1.6762$1.3846—
3y Std RI PU$1.2320—$1.5776$1.2860—
3y Std RI AU$1.1581—$1.5037$1.2121—
1y Conv RI NU$2.2398—$2.5854$2.2998—
3y Conv RI NU$1.5967—$1.9423$1.6507—
1y Compute SP NU$2.2398—$2.5854$2.2997$2.2846
3y Compute SP NU$1.5967—$1.9423$1.6507$1.6332
1y EC2 SP NU$1.8665—$2.2121$1.9264$1.9113
3y EC2 SP NU$1.3306—$1.6762$1.3846$1.3670

Spot by AZ (7-day p50, Linux): us-west-2a $0.5425 · us-west-2b $0.6491 · us-west-2c $0.9426

Newer generations of the same size

Same family letter and size in a newer generation, ranked by price. “vCPU per $” uses vCPU as the performance proxy — newer chips usually add more, so it is a floor.

Already Graviton

No newer generation of this size is priced in US West (Oregon).

Cheapest regions for im4gn.8xlarge

RegionOn-Demand $/hvs us-west-2Saves / mo
US East (N. Virginia) us-east-1$2.91030.0%$0
US East (Ohio) us-east-2$2.91030.0%$0
US West (Oregon) us-west-2$2.9103current—
Europe (Spain) eu-south-2$3.2088+10%$-218
Canada (Central) ca-central-1$3.2088+10%$-218
EU (Ireland) eu-west-1$3.2088+10%$-218

Caveat: instance price is only part of the bill. Cross-region and internet data transfer, latency to your users, data-residency rules and service availability can outweigh a few percent on compute.

Price history (us-west-2)

Daily snapshots since the catalog started tracking this type; a row is added whenever a headline price changes.

DateOD LinuxOD Windows1y RI3y RISpot p50
2026-11-06$2.9103—$1.8665$1.3306$0.6491
2026-11-05$2.9103—$1.8665$1.3306$0.6430
2026-11-02$2.9103—$1.8665$1.3306$0.6405
2026-10-29$2.9103—$1.8665$1.3306$0.5934
2026-10-28$2.9103—$1.8665$1.3306$0.6127
2026-10-27$2.9103—$1.8665$1.3306$0.6376
2026-10-26$2.9103—$1.8665$1.3306$0.6621
2026-10-25$2.9103—$1.8665$1.3306$0.6785
2026-10-24$2.9103—$1.8665$1.3306$0.7054
2026-10-23$2.9103—$1.8665$1.3306$0.7461
2026-10-22$2.9103—$1.8665$1.3306$0.7637
2026-10-21$2.9103—$1.8665$1.3306$0.7887
2026-10-20$2.9103—$1.8665$1.3306$0.8100
2026-10-19$2.9103—$1.8665$1.3306$0.8458
2026-10-18$2.9103—$1.8665$1.3306$0.8727
2026-10-17$2.9103—$1.8665$1.3306$0.8991
2026-10-16$2.9103—$1.8665$1.3306$0.9084
2026-10-15$2.9103—$1.8665$1.3306$0.9138
2026-10-14$2.9103—$1.8665$1.3306$0.9169
2026-10-13$2.9103—$1.8665$1.3306$0.9179
2026-10-09$2.9103—$1.8665$1.3306$0.9240
2026-10-08$2.9103—$1.8665$1.3306$0.9242
2026-10-05$2.9103—$1.8665$1.3306$0.9236
2026-10-04$2.9103—$1.8665$1.3306$0.9255
2026-10-03$2.9103—$1.8665$1.3306$0.9259
2026-10-02$2.9103—$1.8665$1.3306$0.9111
2026-10-01$2.9103—$1.8665$1.3306$0.9100
2026-09-30$2.9103—$1.8665$1.3306$0.9059
2026-09-29$2.9103—$1.8665$1.3306$0.9002
2026-09-26$2.9103—$1.8665$1.3306$0.8978

All attributes

vCPU
32
Cores / threads per core
32 / 1
Memory
128 GiB
Memory per vCPU
4.00 GiB
Processor
AWS Graviton2 Processor
Architecture
arm64
Sustained clock
2.5 GHz
Hypervisor
nitro
Generation
Current
Burstable
No
Bare metal
No
Free tier eligible
No
Network performance
50 Gigabit
Network baseline / burst
50.0 / 50.0 Gbps
Max ENIs × IPv4 per ENI
8 × 30
IPv6 / ENA / EFA
IPv6 / ENA / —
EBS optimized
Yes
EBS bandwidth (baseline / max)
20000 / 20000 Mbps
EBS IOPS (baseline / max)
80,000 / 80000
EBS NVMe
required
Instance storage
2 × 7500 GB NVMe SSD
GPU
—
Placement groups
cluster, partition, spread
Hibernation / Nitro Enclaves
Yes / No
Dedicated hosts
Supported
Boot modes
uefi
Spot supported
Yes

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<iframe src="https://trucost.cloud/instances/embed?service=ec2&region=us-west-2&type=im4gn.8xlarge" width="420" height="260" style="border:1px solid #e2e8f0;border-radius:12px" loading="lazy" title="im4gn.8xlarge pricing by TruCost"></iframe>

Public AWS list prices (USD), refreshed nightly (catalog 2026-11-06). RI and Savings Plan rates are effective hourly (upfront amortised over the term) and are charged for every hour of the term. Excludes taxes, data transfer and storage. How these numbers are sourced and checked. Not affiliated with Amazon Web Services.

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