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r5b.4xlarge by Amazon Web Services

r5b.4xlarge is a Memory optimized Gen5 4xlarge server offered by Amazon Web Services with 16 vCPUs, 128 GiB of memory and 0 GB of storage. The pricing starts at 0.14 USD per hour.
16 vCPU
128 GiB Memory
Spare SCore
13989
(All-cores)
1328
(Single-core)

Specifications

Server Details

General
Vendor ID
aws
Server ID
r5b.4xlarge
Name
r5b.4xlarge
API Reference
r5b.4xlarge
Display Name
r5b.4xlarge
Description
Memory optimized Gen5 4xlarge
Family
r5b
Status
active
Observed At
2026-02-05T23:40:56.383898
CPU
vCPUs
16
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
8
CPU Speed
3.1 GHz
CPU Architecture
x86_64
CPU Manufacturer
Intel
CPU Family
Xeon
CPU Model
8259CL
CPU L1 Cache
256 KiB
CPU L2 Cache
8 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
128 GiB
Memory Generation
DDR4
Memory Speed
2933 Mhz
GPU
GPU Count
0
GPUs
    Storage
    Storage Size
    0 GB
    Storages
      Network
      Network Speed
      5 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Availability

      REGION / IDSPOTONDEMAND
      Ohio (US) / us-east-2
      0.587 USD/h 1.192 USD/h
      Northern Virgina (US) / us-east-1
      0.80895 USD/h 1.192 USD/h
      Oregon (US) / us-west-2
      0.6811 USD/h 1.192 USD/h
      Stockholm (SE) / eu-north-1
      0.4348 USD/h 1.2635 USD/h
      Quebec (CA) / ca-central-1
      0.481067 USD/h 1.304 USD/h
      Dublin (IE) / eu-west-1
      0.781167 USD/h 1.336 USD/h
      Milan (IT) / eu-south-1
      0.2403 USD/h 1.4 USD/h
      London (GB) / eu-west-2
      0.6578 USD/h 1.4 USD/h
      Singapore (SG) / ap-southeast-1
      0.771233 USD/h 1.424 USD/h
      Seoul (KR) / ap-northeast-2
      0.708133 USD/h 1.424 USD/h
      Frankfurt (DE) / eu-central-1
      0.709233 USD/h 1.424 USD/h
      Tokyo (JP) / ap-northeast-1
      0.504433 USD/h 1.448 USD/h
      Sydney (AU) / ap-southeast-2
      0.6872 USD/h 1.448 USD/h
      Sao Paulo (BR) / sa-east-1
      0.8591 USD/h 1.896 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.8xlarge 32256 GiB0
      r5b.12xlarge 48384 GiB0
      r5b.16xlarge 64512 GiB0
      r5b.24xlarge 96768 GiB0

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      r5b.4xlarge FAQs

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