b3-64-flex by OVHcloud

b3-64-flex is a General Purpose (16 vCPUs, 64 GiB RAM, 50 GB NVMe) server offered by OVHcloud with 16 vCPUs, 64 GiB of memory and 50 GB of storage. The pricing starts at 0.4662 USD per hour.
16 vCPU
64 GiB Memory
50 GB Storage
Spare SCore
49,089
(All-cores)
3,077
(Single-core)

Specifications

Server Metadata

Vendor ID
ovh
Name
b3-64-flex
Description
General Purpose (16 vCPUs, 64 GiB RAM, 50 GB NVMe)
Family
General Purpose
Hw Virt
Average Time To Start
38
Status
active
Observed At
2026-11-10T08:53:09.236281

Availability

REGION / IDSPOTONDEMAND
AP-SOUTHEAST-SYD-2 (AU) / AP-SOUTHEAST-SYD-2
- 0.4662 USD/h
AP-SOUTH-MUM-1 (IN) / AP-SOUTH-MUM-1
- 0.4662 USD/h
BHS5 (CA) / BHS5
- 0.4662 USD/h
DE1 (DE) / DE1
- 0.4662 USD/h
EU-SOUTH-MIL (IT) / EU-SOUTH-MIL
- 0.4662 USD/h
EU-WEST-PAR (FR) / EU-WEST-PAR
- 0.4662 USD/h
GRA11 (FR) / GRA11
- 0.4662 USD/h
GRA7 (FR) / GRA7
- 0.4662 USD/h
GRA9 (FR) / GRA9
- 0.4662 USD/h
RBX-A (FR) / RBX-A
- 0.4662 USD/h
SBG5 (FR) / SBG5
- 0.4662 USD/h
SBG7 (FR) / SBG7
- 0.4662 USD/h
SGP1 (SG) / SGP1
- 0.4662 USD/h
SYD1 (AU) / SYD1
- 0.4662 USD/h
UK1 (GB) / UK1
- 0.4662 USD/h

Processor

vCPUs
16
Hypervisor
KVM
CPU Allocation
Dedicated
CPU Cores
16
CPU Speed
2.3 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
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
512 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, syscall, nx, mmxext, fxsr_opt, pdpe1gb, rdtscp, lm, rep_good, nopl, cpuid, extd_apicid, tsc_known_freq, pni, pclmulqdq, ssse3, fma, cx16, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, svm, cr8_legacy, abm, sse4a, misalignsse, 3dnowprefetch, osvw, topoext, perfctr_core, ssbd, ibrs, ibpb, stibp, vmmcall, fsgsbase, bmi1, avx2, smep, bmi2, erms, invpcid, rdseed, adx, smap, clflushopt, clwb, sha_ni, xsaveopt, xsavec, xgetbv1, xsaves, clzero, xsaveerptr, wbnoinvd, arat, npt, nrip_save, umip, pku, ospke, rdpid, fsrm
Ecpus
16
Scalability
100

System Resources and Accelerators

MEMORY
Memory Amount
64 GiB
Memory Amount Actual
63 GiB
ACCELERATORS
Accelerator Count
0
Accelerator Memory Min
0 MiB
Accelerator Memory Total
0 MiB
Accelerators
    STORAGE
    Storage Size
    50 GB
    Storage Type
    nvme ssd
    Storages
    • 50 GB nvme ssd
    NETWORK
    Network Speed Baseline
    4 Gbps
    Network Speed Max
    4 Gbps
    Inbound Traffic
    0 GB/month
    Outbound Traffic
    0 GB/month
    IPv4
    0

    CPU and System Topology

    Economics

    Average Price per Region

    Prices per Zone

    Lowest Prices

    Performance

    Workload Profiles

    1.3Score
    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) 1,861,718 ops/sec 1,921,522 ops/sec 1 50.00% 50.00% 0.00%
    Redis RPS (pipeline=16, SET) 16,164,040 ops/sec 11,803,344 ops/sec 1.3 20.00% 20.00% +5.40%
    PassMark Memory Mark (composite) 2,897 2,406 1.2 10.00% 10.00% +1.80%
    Memory bandwidth (read, 16 MB ~ L3) 655,349 MB/sec 108,665 MB/sec 6 10.00% 10.00% +20.00%
    PassMark single-thread CPU 2,886 Mops/s 2,365 Mops/s 1.2 10.00% 10.00% +1.80%

    Memory Bandwidth

    Compression

    OpenSSL

    Geekbench Single-Core

    Score: 1,850

    Geekbench Multi-Core

    Score: 12,363

    Passmark CPU Scores

    BENCHMARKSCORE
    Mark
    		 36,832
    Compression
    		 417,087
    Encryption
    		 20,775
    Extended Instructions
    		 38,711
    Floating Point Maths
    		 87,451
    Integer Maths
    		 96,386
    Physics
    		 5,403
    Prime Numbers
    		 304
    Single Threaded
    		 2,886
    String Sorting
    		 60,951

    Passmark Memory Scores

    BENCHMARKSCORE
    Memory Mark
    		 2,897
    Database Operations
    		 15,362
    Memory Latency
    		 72
    Memory Read Cached
    		 27,825
    Memory Read Uncached
    		 26,167
    Memory Write
    		 25,219

    Stress-ng Stressors

    CPU integerSingleMultiScaling
    atomic
    		 964.58 555.99 0.58×
    bitops
    		 159,712 2,538,294 15.89×
    branch
    		 211,028 3,375,378 15.99×
    funccall
    		 613.34 9,745 15.89×
    funcret
    		 21,290 331,639 15.58×
    hash
    		 162,682 2,586,022 15.90×
    intmath
    		 66,424 1,057,699 15.92×
    nop
    		 610,247 9,810,109 16.08×
    prime
    		 493,594 7,811,361 15.83×
    rotate
    		 87,883 1,383,096 15.74×
    str
    		 1,039,644 16,307,984 15.69×
    wcs
    		 678,293 10,919,792 16.10×
    CryptographySingleMultiScaling
    crypt
    		 3,736 59,382 15.89×
    CompressionSingleMultiScaling
    jpeg
    		 830.62 13,123 15.80×
    zlib
    		 61.17 985.08 16.10×
    HypervisorSingleMultiScaling
    clock
    		 20,449 183,188 8.96×
    clone
    		 300.75 2,386 7.93×
    context
    		 2,858 45,251 15.84×
    cpu-sched
    		 61.75 990.4 16.04×
    eventfd
    		 49,585 556,029 11.21×
    fault
    		 10,186 120,484 11.83×
    fork
    		 3,606 34,403 9.54×
    getrandom
    		 49,586 788,286 15.90×
    hrtimers
    		 156,828 1,662,734 10.60×
    mprotect
    		 635,524 3,334,658 5.25×
    mtx
    		 41,438,249 1,725,902,600 41.65×
    munmap
    		 2,551 26,106 10.23×
    null
    		 336,606 5,373,600 15.96×
    pipe
    		 357,973 5,901,582 16.49×
    priv-instr
    		 421,722 6,179,672 14.65×
    resched
    		 5,504,221 2,793,712 0.51×
    switch
    		 89,409 2,321,060 25.96×
    timermix
    		 148,074 2,424,451 16.37×
    tlb-shootdown
    		 14,917 79,085 5.30×
    tsc
    		 780,577 12,472,819 15.98×
    usersyscall
    		 320,740 4,790,192 14.93×
    vdso
    		 81,531,618 1,307,978,726 16.04×
    vfork
    		 24,619 159,431 6.48×
    x86syscall
    		 3,789,252 60,473,371 15.96×
    yield
    		 10,093,752 10,028,510 0.99×
    zero
    		 2,655,823 42,286,311 15.92×
    CPU float/SIMDSingleMultiScaling
    eigen
    		 16,136 255,919 15.86×
    expmath
    		 2,379 37,972 15.96×
    fma
    		 910,422 14,613,060 16.05×
    fp
    		 251.51 3,995 15.88×
    fractal
    		 7.4 117.22 15.84×
    hyperbolic
    		 3,828 60,811 15.88×
    logmath
    		 4,541 72,189 15.90×
    matrix
    		 4,989 79,472 15.93×
    matrix-3d
    		 921.86 11,792 12.79×
    monte-carlo
    		 161.84 2,585 15.98×
    mpfr
    		 1,679 26,731 15.92×
    powmath
    		 1,313 20,942 15.95×
    trig
    		 1,871 29,714 15.88×
    veccmp
    		 18,987 303,798 16.00×
    vecfp
    		 1,801 28,859 16.03×
    vecmath
    		 4,024 64,400 16.00×
    vecshuf
    		 639.6 10,104 15.80×
    vecwide
    		 28,371 452,922 15.96×
    AlgorithmsSingleMultiScaling
    bitonicsort
    		 10.4 164.39 15.81×
    bsearch
    		 304.58 4,868 15.98×
    bubblesort
    		 0.8 14 17.50×
    fibsearch
    		 374.41 5,984 15.98×
    heapsort
    		 10.6 171.79 16.21×
    hsearch
    		 11,136 179,377 16.11×
    insertionsort
    		 13 206.4 15.88×
    malloc
    		 3,600,851 28,976,742 8.05×
    mcontend
    		 90.08 2,467 27.39×
    mergesort
    		 33.8 540.78 16.00×
    qsort
    		 22 347.79 15.81×
    skiplist
    		 7,068 111,175 15.73×
    tree
    		 2 30.59 15.29×
    MemorySingleMultiScaling
    cache
    		 718,552 1,001,872 1.39×
    cachehammer
    		 277,058 3,912,227 14.12×
    cacheline
    		 56.68 915.78 16.16×
    l1cache
    		 258.8 4,260 16.46×
    memcpy
    		 448.97 7,056 15.72×
    memrate
    		 3.73 10.86 2.91×
    memthrash
    		 159.66 752.16 4.71×
    ptr-chase
    		 38,951,123 314,661,634 8.08×
    spinmem
    		 209.19 754.04 3.60×
    stream
    		 122.65 11,769 95.96×
    vm
    		 65,388 293,649 4.49×

    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

    PostgreSQL heavy read-only throughput

    Alternatives

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    b3-8 28 GiB0
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    b2-15-flex 415 GiB0
    b3-16 416 GiB0
    b3-16-flex 416 GiB0
    b2-30 830 GiB0

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    b3-64-flex FAQs