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ecs.r7a.8xlarge by Alibaba Cloud

ecs.r7a.8xlarge is a ecs.r7a family (32 vCPUs, 256 GiB RAM, 0 GB storage) server offered by Alibaba Cloud with 32 vCPUs, 256 GiB of memory and 0 GB of storage. The pricing starts at 0.2525 USD per hour.
32 vCPU
256 GiB Memory
Spare SCore
43215
(All-cores)
2684
(Single-core)

Specifications

Server Metadata

Vendor ID
alicloud
Name
ecs.r7a.8xlarge
Description
ecs.r7a family (32 vCPUs, 256 GiB RAM, 0 GB storage)
Family
ecs.r7a
Hw Virt
Status
active
Observed At
2026-08-12T09:07:37.501919

Availability

REGION / IDSPOTONDEMAND
Ulanqab (CN) / cn-wulanchabu
0.2525 USD/h 1.329 USD/h
Guangzhou (CN) / cn-guangzhou
0.2806 USD/h 1.477 USD/h
Chengdu (CN) / cn-chengdu
0.3249 USD/h 1.477 USD/h
Hangzhou (CN) / cn-hangzhou
0.3249 USD/h 1.477 USD/h
Beijing (CN) / cn-beijing
- 1.477 USD/h
Shanghai (CN) / cn-shanghai
- 1.477 USD/h
Shenzhen (CN) / cn-shenzhen
- 1.477 USD/h
Virginia (US) / us-east-1
0.3583 USD/h 1.6286 USD/h
Frankfurt (DE) / eu-central-1
0.4129 USD/h 1.8768 USD/h
Jakarta (ID) / ap-southeast-5
0.397167 USD/h 1.986 USD/h
Hong Kong (HK) / cn-hongkong
0.4548 USD/h 2.0672 USD/h
Tokyo (JP) / ap-northeast-1
0.5375 USD/h 2.0672 USD/h

Processor

vCPUs
32
Hypervisor
KVM
CPU Allocation
Dedicated
CPU Cores
32
CPU Speed
2.55 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
CPU Model
7T83
CPU L1D Cache
32 KiB
CPU L1D Cache Total
512 KiB
CPU L1I Cache
32 KiB
CPU L1I Cache Total
512 KiB
CPU L2 Cache
512 KiB
CPU L2 Cache Total
8 MiB
CPU L3 Cache
32 MiB
CPU L3 Cache Total
64 MiB
CPU Flags
fpu, vme, de, pse, tsc, msr, pae, mce, cx8, apic, sep, mtrr, pge, mca, cmov, pat, pse36, clflush, mmx, fxsr, sse, sse2, ht, syscall, nx, mmxext, fxsr_opt, pdpe1gb, rdtscp, lm, constant_tsc, rep_good, nopl, nonstop_tsc, cpuid, extd_apicid, aperfmperf, tsc_known_freq, pni, pclmulqdq, monitor, ssse3, fma, cx16, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, cmp_legacy, cr8_legacy, abm, sse4a, misalignsse, 3dnowprefetch, osvw, topoext, ssbd, ibrs, ibpb, stibp, vmmcall, tsc_adjust, bmi1, avx2, smep, bmi2, erms, invpcid, rdseed, adx, smap, clflushopt, clwb, sha_ni, xsaveopt, xsavec, xgetbv1, xsaves, clzero, xsaveerptr, wbnoinvd, arat, vaes, vpclmulqdq, rdpid, fsrm
Ecpus
16.1
Scalability
50.31

System Resources and Accelerators

MEMORY
Memory Amount
256 GiB
Memory Amount Actual
256 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
      8 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      CPU and System Topology

      Server Description

      A dedicated AMD EPYC instance featuring high memory density and strong single-core performance for memory-intensive enterprise workloads.

      Memory OptimizedGeneral Purpose

      Alibaba Cloud ecs.r7a.8xlarge is a memory-optimized instance featuring 32 dedicated AMD EPYC 7T83 cores running at 2.55 GHz on the x86_64 architecture. It is configured with 256.0 GB of RAM, yielding a high 8.0 GB per core ratio, but lacks local storage and GPU accelerators. Operating on the KVM hypervisor, it provides a baseline network bandwidth of 8 Gbps. Benchmark data shows strong single-core CPU and PassMark memory performance, though uncached large-block memory read and write bandwidths are weak. This profile makes the instance highly suitable for memory-intensive applications, in-memory databases, and caching layers that require dedicated compute resources but do not depend on high-speed local storage.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      1.11Score
      Precomputed compound score for Cache Intensive workloads. A weighted average (geometric mean) of benchmark scores compared to their medians: score = ∏ (x_i / m_i)^(w_i / Σw). The score of 1.0 represents a synthetic baseline server with the median performance of each component benchmark; 0.5 means roughly half the performance; and 2.0 means twice the performance of that reference profile. Component weights: 50% Redis RPS (pipeline=1, SET), 20% Redis RPS (pipeline=16, SET), 10% PassMark Memory Mark (composite), 10% Memory bandwidth (read, 16 MB ~ L3), 10% PassMark single-thread CPU. Rationale for component selection: In-memory key-value store workload, mixing direct Redis performance metrics with memory speed and latency benchmarks, and single-core CPU performance profiles.
      Component Score Weight Impact
      Raw Reference Normalized Target Actual
      Redis RPS (pipeline=1, SET) 2,351,703 ops/sec 1,910,660 ops/sec 1.23 50.00% 50.00% +10.90%
      Redis RPS (pipeline=16, SET) 17,667,244 ops/sec 11,608,287 ops/sec 1.52 20.00% 20.00% +8.73%
      PassMark Memory Mark (composite) 2,786 2,416 1.15 10.00% 10.00% +1.41%
      Memory bandwidth (read, 16 MB ~ L3) 40,239 MB/sec 107,896 MB/sec 0.373 10.00% 10.00% -9.39%
      PassMark single-thread CPU 2,371 Mops/s 2,364 Mops/s 1 10.00% 10.00% 0.00%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 1,533

      Geekbench Multi-Core

      Score: 11,041

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 35669
      Compression
      		 500911
      Encryption
      		 34160
      Extended Instructions
      		 29923
      Floating Point Maths
      		 72862
      Integer Maths
      		 133063
      Physics
      		 2009
      Prime Numbers
      		 163
      Single Threaded
      		 2371
      String Sorting
      		 55145

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 2786
      Database Operations
      		 10633
      Memory Latency
      		 57
      Memory Read Cached
      		 23747
      Memory Read Uncached
      		 17203
      Memory Write
      		 15265

      Stress-ng Raw Scores

      Stress-ng Relative Multicore Performance

      LLM Inference Speed for Prompt Processing

      LLM Inference Speed for Text Generation

      Static Web Server

      Redis

      Alternatives

      Servers of the Same Family

      INSTANCEvCPUsMEMORYGPUs
      ecs.r7a.large 216 GiB0
      ecs.r7a.xlarge 432 GiB0
      ecs.r7a.2xlarge 864 GiB0
      ecs.r7a.4xlarge 16128 GiB0
      ecs.r7a-nps1.8xlarge 32256 GiB0
      ecs.r7a-nps1.16xlarge 64512 GiB0
      ecs.r7a.16xlarge 64512 GiB0

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      ecs.r7a.8xlarge FAQs