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db.r8a.12xlarge pricing and specs in EU (Ireland)

48 vCPU · 384 GiB · 22500 Mbps · 5th Generation AMD EPYC

$8.1144/hour on-demand · $5,924/month (MySQL, Single-AZ)

db.r8a.12xlarge is a memory-optimized RDS instance with 48 vCPU and 384 GiB, generation 8 of the r family. On-demand it costs $8.1144 an hour, about $5,924 a month if it runs all month. The newer db.r8g.12xlarge offers the same size for $6.4320 an hour, 21% less and moves to Graviton. Across regions the cheapest place to run db.r8a.12xlarge is US East (N. Virginia) (us-east-1) at $7.2456 an hour, 11% below EU (Ireland).

Pricing by engine (hourly, USD, Single-AZ)

OptionMySQLPostgreSQLMariaDBAurora MySQLAurora PostgreSQLOracle SE2SQL Server ExpressSQL Server WebSQL Server StandardSQL Server Enterprise
On-Demand$8.1144$8.1144$8.1144$9.2736$9.2736—————

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.

Graviton-eligible → db.r8g.12xlarge (-21%)
Type$/hPrice ΔvCPU per $ ΔSaves / mo
db.r8g.12xlarge Graviton arch change$6.4320-21%+26%$1,228
db.r8gd.12xlarge Graviton arch change$7.3008-10%+11%$594

Cheapest regions for db.r8a.12xlarge

RegionOn-Demand $/hvs eu-west-1Saves / mo
US East (N. Virginia) us-east-1$7.2456-11%$634
US East (Ohio) us-east-2$7.2456-11%$634
US West (Oregon) us-west-2$7.2456-11%$634
Asia Pacific (Taipei) ap-east-2$7.8240-4%$212
Canada (Central) ca-central-1$7.8240-4%$212
Europe (Spain) eu-south-2$8.11440.0%$0

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 (eu-west-1)

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

DateOD MySQLOD Windows1y RI3y RISpot p50
2026-09-30$8.1144————

All attributes

vCPU
48
Cores / threads per core
—
Memory
384 GiB
Memory per vCPU
8.00 GiB
Processor
5th Generation AMD EPYC
Architecture
—
Sustained clock
—
Hypervisor
—
Generation
Current
Burstable
No
Bare metal
No
Free tier eligible
No
Network performance
22500 Mbps
Network baseline / burst
—
Max ENIs × IPv4 per ENI
—
IPv6 / ENA / EFA
— / — / —
EBS optimized
—
EBS bandwidth (baseline / max)
—
EBS IOPS (baseline / max)
—
EBS NVMe
—
Instance storage
EBS only
GPU
—
Placement groups
—
Hibernation / Nitro Enclaves
— / —
Dedicated hosts
—
Boot modes
—
Spot supported
—

Embed this price card

A tiny live widget for your docs or blog, with a “Powered by TruCost” link.

<iframe src="https://trucost.cloud/instances/embed?service=rds&region=eu-west-1&type=db.r8a.12xlarge" width="420" height="260" style="border:1px solid #e2e8f0;border-radius:12px" loading="lazy" title="db.r8a.12xlarge 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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