(All-cores)
(Single-core)
Specifications
Server Metadata
Vendor ID | alicloud |
Name | ecs.c9a.4xlarge |
Description | ecs.c9a family (16 vCPUs, 32 GiB RAM, 0 GB storage) |
Family | ecs.c9a |
Hw Virt | - |
Status | active |
Observed At | 2026-10-28T07:38:05.825480 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|
Processor
vCPUs | 16 |
Hypervisor | KVM |
CPU Allocation | Dedicated |
CPU Speed | 2.7 GHz |
CPU Architecture | x86_64 |
CPU Manufacturer | AMD |
CPU Family | EPYC |
CPU Model | 9T25 |
System Resources and Accelerators
| MEMORY | |
|---|---|
Memory Amount | 32 GiB |
| ACCELERATORS | |
|---|---|
Accelerator Count | 0 |
Accelerator Memory Min | 0 MiB |
Accelerator Memory Total | 0 MiB |
Accelerators |
| STORAGE | |
|---|---|
Storage Size | 0 GB |
Storages |
| NETWORK | |
|---|---|
Network Speed Baseline | 12 Gbps |
Inbound Traffic | 0 GB/month |
Outbound Traffic | 0 GB/month |
IPv4 | 0 |
Server Description
A compute-optimized x86_64 instance featuring dedicated AMD EPYC processors and a dense two-gigabyte-per-core memory configuration.
Alibaba Cloud ecs.c9a.4xlarge is a compute-optimized instance featuring 16 dedicated x86_64 vCPUs powered by AMD EPYC 9T25 processors running at 2.7 GHz. It is equipped with 32.0 GB of system memory, providing a 2.0 GB per core ratio. Running on the KVM hypervisor, the instance offers a baseline network bandwidth of 12 Gbps. It does not include local storage or GPU hardware, making it a streamlined option for workloads reliant on external block storage. This resource configuration is designed for compute-heavy tasks such as batch processing, web serving, and CI/CD pipelines, offering a balanced, cost-efficient profile for dedicated CPU execution without memory overhead.
Economics
Alternatives
Servers of the Same Family
| INSTANCE | vCPUs | MEMORY | Accelerators |
|---|---|---|---|
| ecs.c9a.large | 2 | 4 GiB | 0 |
| ecs.c9a.xlarge | 4 | 8 GiB | 0 |
| ecs.c9a.2xlarge | 8 | 16 GiB | 0 |
| ecs.c9a.8xlarge | 32 | 64 GiB | 0 |
| ecs.c9a.16xlarge | 64 | 128 GiB | 0 |
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