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m8gb.16xlarge pricing and specs in US West (Oregon)

64 vCPU · 256 GiB · 133.33 Gigabit · AWS Graviton4 Processor Graviton

$4.6560/hour on-demand · $3,399/month (Linux, Shared)

m8gb.16xlarge is a general-purpose EC2 instance with 64 vCPU and 256 GiB, generation 8 of the m family on AWS Graviton (Arm). On-demand it costs $4.6560 an hour, about $3,399 a month if it runs all month. A one-year commitment with nothing up front works out at $2.9333 an hour and pays for itself above roughly 459 hours a month; below that, on-demand is cheaper. The three-year options go down to $1.7947 an hour, 61% below on-demand. The newer m8g.16xlarge offers the same size for $2.8723 an hour, 38% less. Across regions the cheapest place to run m8gb.16xlarge is US East (N. Virginia) (us-east-1) at $4.6560 an hour, 0% below US West (Oregon).

Pricing by OS (hourly, USD, Shared)

OptionLinuxWindowsRHELSUSEUbuntu Pro
On-Demand$4.6560—$5.3472$4.7810$4.7680
Spot$1.4393————
1y Compute SP NU$3.3972—$4.0884$3.4571$3.4868
3y Compute SP NU$2.0617—$2.7529$2.1157$2.1346
1y EC2 SP NU$2.9333—$3.6245$2.9932$3.0229
3y EC2 SP NU$1.7947—$2.4859$1.8487$1.8676

Spot by AZ (7-day p50, Linux): us-west-2a $1.4362 · us-west-2c $1.5461 · us-west-2b $1.4393

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
Type$/hPrice ΔvCPU per $ ΔSaves / mo
m8g.16xlarge Graviton$2.8723-38%+62%$1,302
m9g.16xlarge Graviton$3.1309-33%+49%$1,113
m8i-flex.16xlarge arch change$3.2176-31%+45%$1,050
m8i.16xlarge arch change$3.3869-27%+37%$926
m8gd.16xlarge Graviton$3.6902-21%+26%$705
m8a.16xlarge arch change$3.8950-16%+20%$556
m9gd.16xlarge Graviton$4.0224-14%+16%$463
m8id.16xlarge arch change$4.1766-10%+11%$350

Cheapest regions for m8gb.16xlarge

RegionOn-Demand $/hvs us-west-2Saves / mo
US East (N. Virginia) us-east-1$4.65600.0%$0
US West (Oregon) us-west-2$4.6560current—
EU (Ireland) eu-west-1$5.2038+12%$-400

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$4.6560———$1.4393
2026-11-05$4.6560———$1.4655
2026-11-04$4.6560———$1.4971
2026-11-03$4.6560———$1.5175
2026-10-31$4.6560———$1.5219
2026-10-30$4.6560———$1.5148
2026-10-29$4.6560———$1.4815
2026-10-28$4.6560———$1.4418
2026-10-27$4.6560———$1.3928
2026-10-26$4.6560———$1.3278
2026-10-24$4.6560———$1.3059
2026-10-22$4.6560———$1.3042
2026-10-21$4.6560———$1.3057
2026-10-20$4.6560———$1.3071
2026-10-19$4.6560———$1.3075
2026-10-18$4.6560———$1.3083
2026-10-17$4.6560———$1.3129
2026-10-16$4.6560———$1.3296
2026-10-15$4.6560———$1.3367
2026-10-14$4.6560———$1.3471
2026-10-13$4.6560———$1.3558
2026-10-12$4.6560———$1.3694
2026-10-11$4.6560———$1.3800
2026-10-07$4.6560———$1.4269
2026-10-06$4.6560———$1.4129
2026-10-05$4.6560———$1.4457
2026-10-03$4.6560———$1.4424
2026-10-02$4.6560———$1.3909
2026-10-01$4.6560———$1.2690
2026-09-30$4.6560———$1.2225

All attributes

vCPU
64
Cores / threads per core
64 / 1
Memory
256 GiB
Memory per vCPU
4.00 GiB
Processor
AWS Graviton4 Processor
Architecture
arm64
Sustained clock
2.8 GHz
Hypervisor
nitro
Generation
Current
Burstable
No
Bare metal
No
Free tier eligible
No
Network performance
133.33 Gigabit
Network baseline / burst
133.333 / 133.333 Gbps
Max ENIs × IPv4 per ENI
16 × 50
IPv6 / ENA / EFA
IPv6 / ENA / EFA
EBS optimized
Yes
EBS bandwidth (baseline / max)
100000 / 100000 Mbps
EBS IOPS (baseline / max)
480,000 / 480000
EBS NVMe
required
Instance storage
EBS only
GPU
—
Placement groups
cluster, partition, spread
Hibernation / Nitro Enclaves
No / Yes
Dedicated hosts
Supported
Boot modes
uefi
Spot supported
Yes

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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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