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c3-256 by OVHcloud

c3-256 is a Compute Optimized (128 vCPUs, 256 GiB RAM, 400 GB NVMe) server offered by OVHcloud with 128 vCPUs, 256 GiB of memory and 400 GB of storage. The pricing starts at 3.3521 USD per hour.
128 vCPU
256 GiB Memory
400 GB Storage
Spare SCore
287577
(All-cores)
3078
(Single-core)

Specifications

Server Metadata

Vendor ID
ovh
Name
c3-256
Description
Compute Optimized (128 vCPUs, 256 GiB RAM, 400 GB NVMe)
Family
Compute Optimized
Hw Virt
Status
active
Observed At
2026-07-31T02:20:01.498971

Availability

REGION / IDSPOTONDEMAND
AP-SOUTHEAST-SYD-2 (AU) / AP-SOUTHEAST-SYD-2
- 3.3521 USD/h
AP-SOUTH-MUM-1 (IN) / AP-SOUTH-MUM-1
- 3.3521 USD/h
BHS5 (CA) / BHS5
- 3.3521 USD/h
DE1 (DE) / DE1
- 3.3521 USD/h
EU-SOUTH-MIL (IT) / EU-SOUTH-MIL
- 3.3521 USD/h
EU-WEST-PAR (FR) / EU-WEST-PAR
- 3.3521 USD/h
GRA11 (FR) / GRA11
- 3.3521 USD/h
GRA7 (FR) / GRA7
- 3.3521 USD/h
GRA9 (FR) / GRA9
- 3.3521 USD/h
RBX-A (FR) / RBX-A
- 3.3521 USD/h
SBG5 (FR) / SBG5
- 3.3521 USD/h
SBG7 (FR) / SBG7
- 3.3521 USD/h
SGP1 (SG) / SGP1
- 3.3521 USD/h
SYD1 (AU) / SYD1
- 3.3521 USD/h
UK1 (GB) / UK1
- 3.3521 USD/h
WAW1 (PL) / WAW1
- 3.3521 USD/h

Processor

vCPUs
128
Hypervisor
KVM
CPU Allocation
Dedicated
CPU Cores
128
CPU Speed
2.3 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
CPU L1D Cache
32 KiB
CPU L1D Cache Total
4 MiB
CPU L1I Cache
32 KiB
CPU L1I Cache Total
4 MiB
CPU L2 Cache
512 KiB
CPU L2 Cache Total
64 MiB
CPU L3 Cache
32 MiB
CPU L3 Cache Total
4 GiB
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
93.4
Scalability
72.97

System Resources and Accelerators

MEMORY
Memory Amount
256 GiB
Memory Amount Actual
250 GiB
GPU
GPU Count
0
GPU Memory Min
0 MiB
GPU Memory Total
0 MiB
GPUs
    STORAGE
    Storage Size
    400 GB
    Storage Type
    nvme ssd
    Storages
    • 400 GB nvme ssd
    NETWORK
    Network Speed Baseline
    20 Gbps
    Network Speed Max
    20 Gbps
    Inbound Traffic
    0 GB/month
    Outbound Traffic
    0 GB/month
    IPv4
    1

    CPU and System Topology

    Server Description

    A high-density, dedicated 128-core AMD EPYC platform optimized for parallel computing, software compilation, and high-throughput database operations.

    Compute OptimizedStorage & Database

    The OVHcloud c3-256 is a compute-optimized server featuring 128 dedicated AMD EPYC physical cores on an x86_64 architecture, running at 2.3 GHz with no hyperthreading. It is equipped with 256.0 GB of RAM, a 400 GB NVMe SSD, and a 20 Gbps baseline network interface. Benchmarks show top-tier multi-core CPU performance, highlighted by a PassMark CPU score of 111,517.28 and exceptional multi-threaded bzip3 decompression. While small-block cached memory bandwidth is top-tier, large-block uncached memory bandwidth is average. The server's 2.0 GB of RAM per core represents a tradeoff for memory-heavy tasks, but its compute density makes it highly cost-efficient for parallel processing. It is best suited for software compilation, high-throughput database operations like Redis, ray tracing, and static web serving.

    Economics

    Average Price per Region

    Prices per Zone

    Lowest Prices

    Performance

    Workload Profiles

    3.84Score
    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) 9,460,880 ops/sec 1,896,415 ops/sec 4.99 50.00% 50.00% +123.00%
    Redis RPS (pipeline=16, SET) 87,781,706 ops/sec 11,539,523 ops/sec 7.61 20.00% 20.00% +50.10%
    PassMark Memory Mark (composite) 2,997 2,411 1.24 10.00% 10.00% +2.17%
    Memory bandwidth (read, 16 MB ~ L3) 273,302 MB/sec 107,368 MB/sec 2.55 10.00% 10.00% +9.81%
    PassMark single-thread CPU 2,939 Mops/s 2,363 Mops/s 1.24 10.00% 10.00% +2.17%

    Memory Bandwidth

    Compression

    OpenSSL

    Geekbench Single-Core

    Score: 1,889

    Geekbench Multi-Core

    Score: 18,559

    Passmark CPU Scores

    BENCHMARKSCORE
    Mark
    		 111517
    Compression
    		 2191566
    Encryption
    		 136506
    Extended Instructions
    		 146115
    Floating Point Maths
    		 434758
    Integer Maths
    		 672461
    Physics
    		 14421
    Prime Numbers
    		 1361
    Single Threaded
    		 2939
    String Sorting
    		 296700

    Passmark Memory Scores

    BENCHMARKSCORE
    Memory Mark
    		 2997
    Database Operations
    		 30228
    Memory Latency
    		 70
    Memory Read Cached
    		 27770
    Memory Read Uncached
    		 27079
    Memory Write
    		 21814

    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
    c3-4 24 GiB0
    c2-7 27 GiB0
    c3-8 48 GiB0
    c2-15 415 GiB0
    c3-16 816 GiB0
    c2-30 830 GiB0
    c3-32 1632 GiB0

    Similar Servers

    INSTANCEVENDORvCPUsMEMORYGPUs

    c3-256 FAQs