im4gn.16xlarge.search

im4gn.16xlarge.search is an AWS OpenSearch size with 64 vCPUs, 256 GiB memory. In US East (N. Virginia) it costs $8.731 per hour on demand ($6,373.63 per month); a 1-year reserved instance with no upfront costs $6.025 per hour, 31% less. It is sold in 12 regions.

Prices by region

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

RegionOn-demand1-yr reserved3-yr reserved
US East (N. Virginia) us-east-1$8.731$6.025$4.54
US East (Ohio) us-east-2$8.731$6.025$4.54
US West (Oregon) us-west-2$8.731$6.025$4.54
Canada (Central) ca-central-1$9.624$6.641$5.004
EU (Ireland) eu-west-1$9.624$6.641$5.004
Europe (Spain) eu-south-2$9.626$6.642$5.006
EU (London) eu-west-2$10.128$6.988$5.267
EU (Paris) eu-west-3$10.128$6.988$5.267
Asia Pacific (Tokyo) ap-northeast-1$10.238$7.064$5.324
EU (Frankfurt) eu-central-1$10.406$7.18$5.411
Asia Pacific (Singapore) ap-southeast-1$10.464$7.22$5.441
Asia Pacific (Sydney) ap-southeast-2$10.464$7.22$5.441
Reserved and Savings Plans

Specs

ComputeValue
vCPUs64
Physical cores64
Threads per core1
Architecturearm64
CPU makerAWS
Sustained clock2.5 GHz
BurstableNo
ECU200
MemoryValue
Memory (GiB)256
NetworkingValue
Network baseline100 Gbps
Network peak100 Gbps
StorageValue
Storage4 x 7500 SSD
Local disks4 × 7,500 GB SSD
EBS baseline bandwidth40,000 Mbps
EBS max bandwidth40,000 Mbps
EBS baseline throughput5,000 MB/s
EBS max throughput5,000 MB/s
EBS baseline IOPS160,000
EBS max IOPS160,000
ClusterValue
Node rolesData, Dedicated manager
UltraWarmYes
Instance detailsValue
Instance typeim4gn.16xlarge.search
Familyim4gn
CategoryStorage optimized
Current generationYes
OtherValue
Hardware Basisim4gn.16xlarge

Other im4gn sizes

SizevCPUsMemory (GiB)On-demand /hr
im4gn.large.search28$0.273
im4gn.xlarge.search416$0.546
im4gn.2xlarge.search832$1.091
im4gn.4xlarge.search1664$2.183
im4gn.8xlarge.search32128$4.366
im4gn.16xlarge.search64256$8.731

Prices updated 2026-11-12 from AWS public price lists. Compare all AWS OpenSearch sizes.