r8i-flex.12xlarge by Amazon Web Services
r8i-flex.12xlarge is a Memory optimized [Intel processors] Gen8 12xlarge server offered by Amazon Web Services with 48 vCPUs, 384 GiB of memory and 0 GB of storage. The pricing starts at 0.3544 USD per hour.
48 vCPU
384 GiB Memory
Spare SCore
52010
(All-cores)
(All-cores)
2131
(Single-core)
(Single-core)
Specifications
Server Details
| General | |
|---|---|
Vendor ID | aws |
Server ID | r8i-flex.12xlarge |
Name | r8i-flex.12xlarge |
API Reference | r8i-flex.12xlarge |
Display Name | r8i-flex.12xlarge |
Description | Memory optimized [Intel processors] Gen8 12xlarge |
Family | r8i-flex |
Status | active |
Observed At | 2026-02-03T16:55:37.257230 |
| CPU | |
|---|---|
vCPUs | 48 |
Hypervisor | nitro |
CPU Allocation | Dedicated |
CPU Cores | 24 |
CPU Speed | 3.9 GHz |
CPU Architecture | x86_64 |
CPU Manufacturer | Intel |
CPU Family | Xeon |
CPU Model | 6975P-C |
CPU L1 Cache | 1 MiB |
CPU L2 Cache | 48 MiB |
CPU L3 Cache | 480 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, tsc_known_freq, pni, pclmulqdq, ssse3, fma, cx16, pdcm, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, tsc_deadline_timer, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, abm, 3dnowprefetch, cpuid_fault, ssbd, ibrs, ibpb, stibp, ibrs_enhanced, fsgsbase, tsc_adjust, bmi1, avx2, smep, bmi2, erms, invpcid, avx512f, avx512dq, rdseed, adx, smap, avx512ifma, clflushopt, clwb, avx512cd, sha_ni, avx512bw, avx512vl, xsaveopt, xsavec, xgetbv1, xsaves, avx_vnni, avx512_bf16, wbnoinvd, ida, arat, avx512vbmi, umip, pku, ospke, waitpkg, avx512_vbmi2, gfni, vaes, vpclmulqdq, avx512_vnni, avx512_bitalg, tme, avx512_vpopcntdq, rdpid, bus_lock_detect, cldemote, movdiri, movdir64b, md_clear, serialize, amx_bf16, avx512_fp16, amx_tile, amx_int8, flush_l1d, arch_capabilities |
| Memory | |
|---|---|
Memory Amount | 384 GiB |
Memory Generation | DDR5 |
Memory Speed | 7200 Mhz |
| GPU | |
|---|---|
GPU Count | 0 |
GPUs |
| Storage | |
|---|---|
Storage Size | 0 GB |
Storages |
| Network | |
|---|---|
Network Speed | 11.25 Gbps |
Inbound Traffic | 0 GB/month |
Outbound Traffic | 0 GB/month |
IPv4 | 0 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
Ohio (US) / us-east-2 | 0.790533 USD/h | 3.1673 USD/h |
Northern Virgina (US) / us-east-1 | 1.17318 USD/h | 3.1673 USD/h |
Oregon (US) / us-west-2 | 1.19175 USD/h | 3.1673 USD/h |
(MY) / ap-southeast-5 | 1.091467 USD/h | 3.2477 USD/h |
Hyderabad (IN) / ap-south-2 | 0.880167 USD/h | 3.2678 USD/h |
Mumbai (IN) / ap-south-1 | 1.0328 USD/h | 3.2678 USD/h |
Quebec (CA) / ca-central-1 | 1.171967 USD/h | 3.469 USD/h |
California (US) / us-west-1 | 1.1775 USD/h | 3.5191 USD/h |
Aragón (ES) / eu-south-2 | 0.3544 USD/h | 3.5443 USD/h |
London (GB) / eu-west-2 | 1.057467 USD/h | 3.7202 USD/h |
Paris (FR) / eu-west-3 | 1.34995 USD/h | 3.7202 USD/h |
Sydney (AU) / ap-southeast-2 | 1.6112 USD/h | 3.7958 USD/h |
Seoul (KR) / ap-northeast-2 | 0.953775 USD/h | 3.8208 USD/h |
Tokyo (JP) / ap-northeast-1 | 1.3539 USD/h | 3.8208 USD/h |
Frankfurt (DE) / eu-central-1 | 1.370667 USD/h | 3.8208 USD/h |
Singapore (SG) / ap-southeast-1 | 1.419267 USD/h | 3.8208 USD/h |
Sao Paulo (BR) / sa-east-1 | 1.764567 USD/h | 5.0525 USD/h |
Economics
Performance
Alternatives
Servers of the Same Family
| INSTANCE | vCPUs | MEMORY | GPUs |
|---|---|---|---|
| r8i-flex.large | 2 | 16 GiB | 0 |
| r8i-flex.xlarge | 4 | 32 GiB | 0 |
| r8i-flex.2xlarge | 8 | 64 GiB | 0 |
| r8i-flex.4xlarge | 16 | 128 GiB | 0 |
| r8i-flex.8xlarge | 32 | 256 GiB | 0 |
| r8i-flex.16xlarge | 64 | 512 GiB | 0 |
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