ecs.r8i.12xlarge by Alibaba Cloud
(All-cores)
(Single-core)
Specifications
Server Metadata
Vendor ID | alicloud |
Name | ecs.r8i.12xlarge |
Description | ecs.r8i family (48 vCPUs, 384 GiB RAM, 0 GB storage) |
Family | ecs.r8i |
Hw Virt | - |
Status | active |
Observed At | 2026-07-27T14:47:20.115999 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
Beijing (CN) / cn-beijing | - | 2.5862 USD/h |
Hangzhou (CN) / cn-hangzhou | - | 2.5862 USD/h |
Shanghai (CN) / cn-shanghai | - | 2.5862 USD/h |
Shenzhen (CN) / cn-shenzhen | - | 2.5862 USD/h |
Processor
vCPUs | 48 |
Hypervisor | KVM |
CPU Allocation | Dedicated |
CPU Cores | 48 |
CPU Speed | 2.7 GHz |
CPU Architecture | x86_64 |
CPU Manufacturer | Intel |
CPU Family | Xeon |
CPU Model | 8475B |
System Resources and Accelerators
| MEMORY | |
|---|---|
Memory Amount | 384 GiB |
| GPU | |
|---|---|
GPU Count | 0 |
GPU Memory Min | 0 MiB |
GPU Memory Total | 0 MiB |
GPUs |
| STORAGE | |
|---|---|
Storage Size | 0 GB |
Storages |
| NETWORK | |
|---|---|
Network Speed Baseline | 25 Gbps |
Inbound Traffic | 0 GB/month |
Outbound Traffic | 0 GB/month |
IPv4 | 0 |
Server Description
A memory-optimized instance featuring dedicated physical cores, high memory density, and baseline network performance for demanding enterprise workloads.
Alibaba Cloud ecs.r8i.12xlarge is an x86_64 memory-optimized instance featuring 48 dedicated physical cores and 48 vCPUs powered by Intel Xeon 8475B processors running at 2.7 GHz. With hyperthreading disabled, each vCPU maps to a dedicated physical core. The instance is equipped with 384.0 GB of RAM, providing a high resource density of 8.0 GB per core. It does not include local storage, relying instead on network-attached storage, and offers a baseline network bandwidth of 25 Gbps. This hardware configuration is designed for memory-intensive workloads, such as large-scale databases, in-memory caching, and enterprise applications requiring predictable compute performance and significant memory capacity without hyperthreading overhead.
Economics
Alternatives
Servers of the Same Family
| INSTANCE | vCPUs | MEMORY | GPUs |
|---|---|---|---|
| ecs.r8i.large | 2 | 16 GiB | 0 |
| ecs.r8i.xlarge | 4 | 32 GiB | 0 |
| ecs.r8i.2xlarge | 8 | 64 GiB | 0 |
| ecs.r8i.3xlarge | 12 | 96 GiB | 0 |
| ecs.r8i.4xlarge | 16 | 128 GiB | 0 |
| ecs.r8i.6xlarge | 24 | 192 GiB | 0 |
| ecs.r8i.8xlarge | 32 | 256 GiB | 0 |
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