c7i-flex.16xlarge

c7i-flex.16xlarge is an AWS EC2 instance with 64 vCPUs, 128 GiB memory (Intel Xeon Scalable (Sapphire Rapids)). In US East (N. Virginia) it costs $2.713 per hour on demand ($1,980.64 per month) for Linux; a 1-year reserved instance with no upfront costs $1.795 per hour, 34% less. Spot capacity is about $0.6456 per hour. It is sold in 30 regions; the cheapest is Asia Pacific (Malaysia) at $2.659 per hour.

Prices by region

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

RegionOn-demandSpot1-yr reserved3-yr reserved1-yr savings plan3-yr savings plan
Asia Pacific (Malaysia) ap-southeast-5$2.659$0.6064$1.765$1.206$2.018$1.377
Asia Pacific (Thailand) ap-southeast-7$2.659$0.3718$1.765$1.206$2.018$1.377
Asia Pacific (Mumbai) ap-south-1$2.713$0.4202$1.796$1.23$2.068$1.413
US East (N. Virginia) us-east-1$2.713$0.6456$1.795$1.194$1.961$1.31
US East (Ohio) us-east-2$2.713$0.6215$1.795$1.194$1.961$1.31
US West (Oregon) us-west-2$2.713$0.7259$1.795$1.194$1.961$1.31
Asia Pacific (Hyderabad) ap-south-2$2.713$1.987$1.795$1.231$2.109$1.409
Mexico (Central) mx-central-1$2.849–$1.885$1.254$2.058$1.375
EU (Stockholm) eu-north-1$2.905$0.3221$1.921$1.317$2.117$1.456
Europe (Spain) eu-south-2$2.91$0.291$1.927$1.327$2.224$1.521
EU (Ireland) eu-west-1$2.911$1.265$1.927$1.327$2.224$1.521
Canada (Central) ca-central-1$2.969$0.4036$1.971$1.303$2.252$1.431
Asia Pacific (Seoul) ap-northeast-2$3.064$0.3313$2.024$1.393$2.333$1.60
Asia Pacific (Taipei) ap-east-2$3.074–––$2.334$1.60
EU (Frankfurt) eu-central-1$3.096$1.266$2.041$1.405$2.356$1.607
Asia Pacific (Jakarta) ap-southeast-3$3.128$0.4652$2.076$1.419$2.374$1.62
Asia Pacific (Singapore) ap-southeast-1$3.129$1.05$2.077$1.419$2.375$1.621
EU (London) eu-west-2$3.224$0.7554$2.128$1.465$2.44$1.679
EU (Paris) eu-west-3$3.224$0.639$2.128$1.465$2.456$1.682
EU (Milan) eu-south-1$3.224$2.803$2.133$1.462$2.451$1.687
AWS GovCloud (US-West) us-gov-west-1$3.256–$2.154$1.362$2.366$1.491
Middle East (UAE) me-central-1$3.26$0.3663$2.159$1.486$2.491$1.704
US West (N. California) us-west-1$3.384$0.814$2.235$1.538$2.582$1.779
Europe (Zurich) eu-central-2$3.406$0.3406$2.253$1.545$2.703$1.943
Asia Pacific (Tokyo) ap-northeast-1$3.415$1.124$2.252$1.557$2.593$1.778
Asia Pacific (Hong Kong) ap-east-1$3.447–$2.28$1.564$2.619$1.784
Asia Pacific (Sydney) ap-southeast-2$3.543$1.051$2.339$1.61$2.598$1.827
Africa (Cape Town) af-south-1$3.639$3.639$2.292$1.572$2.882$2.004
Asia Pacific (New Zealand) ap-southeast-6$3.72–––$2.728$1.919
South America (Sao Paulo) sa-east-1$4.181$0.4182$2.762$1.899$3.184$2.168

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

Operating systemOn-demand /hr1-yr reserved /hr3-yr reserved /hr
Linux$2.713$1.795$1.194
Ubuntu Pro$2.825––
SUSE$2.838$1.855$1.248
RHEL$3.404$2.486$1.886
Linux SQL Web$3.795$2.876$2.276
RHEL HA$4.30$3.382$2.782
RHEL SQL Web$4.486––
Windows$5.657$4.739$4.138
Windows SQL Web$6.739$5.82$5.22
Linux SQL Std$10.393$9.475$8.874
RHEL SQL Std$11.084––
RHEL HA SQL Std$11.98––
Windows SQL Std$13.337$12.419$11.818
Linux SQL Ent$26.713$25.795$25.194
RHEL SQL Ent$27.404––
RHEL HA SQL Ent$28.30––
Windows SQL Ent$29.657$28.739$28.138

Specs

ComputeValue
vCPUs64
Physical cores32
Threads per core2
Architecturex86_64
ProcessorIntel Xeon Scalable (Sapphire Rapids)
CPU makerIntel
Clock speed3.2 GHz
Sustained clock3.2 GHz
Processor featuresIntel AMX; Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo
BurstableNo
MemoryValue
Memory (GiB)128
NetworkingValue
NetworkUp to 25 Gbps
Network baseline12.5 Gbps
Network peak25 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces15
IPv4 addresses per interface50
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 typec7i-flex.16xlarge
Familyc7i-flex
CategoryCompute optimized
Current generationYes
Normalization factor128
Bare metalNo
HypervisorNitro
Placement groupsPartition, Spread
HibernationYes
Nitro EnclavesNo
Boot modesLegacy BIOS, UEFI

Compare c7i-flex.16xlarge

With or without local disk and networking

Compute and memory optimized

Other generations

Other c7i-flex sizes

SizevCPUsMemory (GiB)On-demand /hr
c7i-flex.large24$0.0848
c7i-flex.xlarge48$0.1696
c7i-flex.2xlarge816$0.3392
c7i-flex.4xlarge1632$0.6783
c7i-flex.8xlarge3264$1.357
c7i-flex.12xlarge4896$2.035
c7i-flex.16xlarge64128$2.713

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