c8i-flex.16xlarge

c8i-flex.16xlarge is an AWS EC2 instance with 64 vCPUs, 128 GiB memory (Intel Xeon Scalable (Granite Rapids)). In US East (N. Virginia) it costs $2.849 per hour on demand ($2,079.48 per month) for Linux. Spot capacity is about $0.7919 per hour. It is sold in 20 regions; the cheapest is Asia Pacific (Malaysia) at $2.792 per hour.

Prices by region

USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.

RegionOn-demandSpot1-yr savings plan3-yr savings plan
Asia Pacific (Malaysia) ap-southeast-5$2.792$1.70$2.119$1.446
Asia Pacific (Mumbai) ap-south-1$2.849$1.856$2.171$1.484
Asia Pacific (Hyderabad) ap-south-2$2.849$2.082$2.215$1.479
US East (N. Virginia) us-east-1$2.849$0.7919$2.059$1.375
US East (Ohio) us-east-2$2.849$1.397$2.059$1.375
US West (Oregon) us-west-2$2.849$0.9364$2.059$1.375
Europe (Spain) eu-south-2$3.056$0.3541$2.336$1.598
EU (Ireland) eu-west-1$3.057$1.183$2.336$1.597
Canada (Central) ca-central-1$3.117$1.787$2.365$1.502
Asia Pacific (Seoul) ap-northeast-2$3.218$0.647$2.449$1.68
EU (Frankfurt) eu-central-1$3.251$1.318$2.474$1.687
Asia Pacific (Singapore) ap-southeast-1$3.285$1.099$2.493$1.701
EU (London) eu-west-2$3.385$1.081$2.562$1.763
EU (Paris) eu-west-3$3.385$1.25$2.579$1.766
US West (N. California) us-west-1$3.553$1.031$2.711$1.868
Asia Pacific (Tokyo) ap-northeast-1$3.586$1.691$2.723$1.867
Asia Pacific (Sydney) ap-southeast-2$3.72$2.54$2.727$1.919
Africa (Cape Town) af-south-1$3.821$1.012$3.026$2.104
Asia Pacific (New Zealand) ap-southeast-6$3.906–$2.864$2.014
South America (Sao Paulo) sa-east-1$4.391$0.9807$3.343$2.277
Reserved and Savings PlansSpot prices by regionWindows prices by regionAzure equivalents

Prices by operating system in US East (N. Virginia)

Operating systemOn-demand /hr1-yr reserved /hr3-yr reserved /hr
Linux$2.849––
Ubuntu Pro$2.961––
SUSE$2.974––
RHEL$3.54––
Linux SQL Web$3.93––
RHEL HA$4.436––
RHEL SQL Web$4.621––
Windows$5.645––
Windows SQL Web$6.727––
Linux SQL Std$10.529––
RHEL SQL Std$11.22––
RHEL HA SQL Std$12.116––
Windows SQL Std$13.325––
Linux SQL Ent$26.849––
RHEL SQL Ent$27.54––
RHEL HA SQL Ent$28.436––
Windows SQL Ent$29.645––

Specs

ComputeValue
vCPUs64
Physical cores32
Threads per core2
Architecturex86_64
ProcessorIntel Xeon Scalable (Granite Rapids)
CPU makerIntel
Clock speed3.9 GHz
Sustained clock3.9 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNo
MemoryValue
Memory (GiB)128
NetworkingValue
NetworkUp to 30 Gbps
Network baseline15 Gbps
Network peak30 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces16
IPv4 addresses per interface64
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughputUp to 20000 Mbps
EBS baseline bandwidth10,000 Mbps
EBS max bandwidth20,000 Mbps
EBS baseline throughput1,250 MB/s
EBS max throughput2,500 MB/s
EBS baseline IOPS40,000
EBS max IOPS80,000
Max EBS volumes48
Instance detailsValue
Instance typec8i-flex.16xlarge
Familyc8i-flex
CategoryCompute optimized
Current generationYes
Normalization factor128
Bare metalNo
HypervisorNitro
Placement groupsPartition, Spread
HibernationYes
Nitro EnclavesNo
Boot modesLegacy BIOS, UEFI

Compare c8i-flex.16xlarge

With or without local disk and networking

vs c8i.16xlarge

Compute and memory optimized

vs m8i-flex.16xlargevs r8i-flex.16xlarge

Other generations

vs c7i-flex.16xlarge

Other c8i-flex sizes

SizevCPUsMemory (GiB)On-demand /hr
c8i-flex.large24$0.089
c8i-flex.xlarge48$0.178
c8i-flex.2xlarge816$0.3561
c8i-flex.4xlarge1632$0.7122
c8i-flex.8xlarge3264$1.424
c8i-flex.12xlarge4896$2.136
c8i-flex.16xlarge64128$2.849

Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances.