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r5b.8xlarge by Amazon Web Services

r5b.8xlarge is a Memory optimized Gen5 8xlarge server offered by Amazon Web Services with 32 vCPUs, 256 GiB of memory and 0 GB of storage. The pricing starts at 0.28 USD per hour.
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32 vCPU
256 GiB Memory
Spare SCore
27089
(All-cores)
1286
(Single-core)

Specifications

Server Details

General
Vendor ID
aws
Server ID
r5b.8xlarge
Name
r5b.8xlarge
API Reference
r5b.8xlarge
Display Name
r5b.8xlarge
Description
Memory optimized Gen5 8xlarge
Family
r5b
Status
active
Observed At
2026-02-05T23:40:56.389845
CPU
vCPUs
32
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
16
CPU Speed
3.1 GHz
CPU Architecture
x86_64
CPU Manufacturer
Intel
CPU Family
Xeon
CPU Model
8259CL
CPU L1 Cache
512 KiB
CPU L2 Cache
16 MiB
CPU L3 Cache
36 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, ss, ht, syscall, nx, pdpe1gb, rdtscp, lm, constant_tsc, rep_good, nopl, xtopology, nonstop_tsc, cpuid, aperfmperf, tsc_known_freq, pni, pclmulqdq, ssse3, fma, cx16, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, tsc_deadline_timer, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, abm, 3dnowprefetch, pti, fsgsbase, tsc_adjust, bmi1, avx2, smep, bmi2, erms, invpcid, mpx, avx512f, avx512dq, rdseed, adx, smap, clflushopt, clwb, avx512cd, avx512bw, avx512vl, xsaveopt, xsavec, xgetbv1, xsaves, ida, arat, pku, ospke, avx512_vnni
Memory
Memory Amount
256 GiB
Memory Generation
DDR4
Memory Speed
3200 Mhz
GPU
GPU Count
0
GPUs
    Storage
    Storage Size
    0 GB
    Storages
      Network
      Network Speed
      10 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Availability

      REGION / IDSPOTONDEMAND
      Ohio (US) / us-east-2
      		0.8946 USD/h 2.384 USD/h
      Oregon (US) / us-west-2
      		1.0926 USD/h 2.384 USD/h
      Northern Virgina (US) / us-east-1
      		1.232925 USD/h 2.384 USD/h
      Stockholm (SE) / eu-north-1
      		0.7 USD/h 2.527 USD/h
      Quebec (CA) / ca-central-1
      		0.8308 USD/h 2.608 USD/h
      Dublin (IE) / eu-west-1
      		1.2312 USD/h 2.672 USD/h
      Milan (IT) / eu-south-1
      		0.281933 USD/h 2.8 USD/h
      London (GB) / eu-west-2
      		1.181967 USD/h 2.8 USD/h
      Frankfurt (DE) / eu-central-1
      		1.075633 USD/h 2.848 USD/h
      Singapore (SG) / ap-southeast-1
      		1.5895 USD/h 2.848 USD/h
      Seoul (KR) / ap-northeast-2
      		1.426233 USD/h 2.848 USD/h
      Sydney (AU) / ap-southeast-2
      		1.155233 USD/h 2.896 USD/h
      Tokyo (JP) / ap-northeast-1
      		1.0454 USD/h 2.896 USD/h
      Sao Paulo (BR) / sa-east-1
      		2.043067 USD/h 3.792 USD/h

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Alternatives

      Servers of the Same Family

      INSTANCEvCPUsMEMORYGPUs
      r5b.large 216 GiB0
      r5b.xlarge 432 GiB0
      r5b.2xlarge 864 GiB0
      r5b.4xlarge 16128 GiB0
      r5b.12xlarge 48384 GiB0
      r5b.16xlarge 64512 GiB0
      r5b.24xlarge 96768 GiB0

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      r5b.8xlarge FAQs

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