Z1D Memory Optimized

High memory-to-vCPU ratio for memory-intensive applications.

Name:zHigh Frequency Memory Optimizedz = High Frequency Memory OptimizedDelivers sustained high all-core frequency (up to 4.5 GHz) paired with high memory capacity for relational databases and EDA workloads.11st Generation1 = 1st GenerationAWS 1st generation hardware platform with updated CPU/system architecture.dDirect-Attached NVMe SSDd = Direct-Attached NVMe SSDEquipped with physical high-speed NVMe SSD instance store volumes attached locally to the host server for temporary scratch and caching.

Alternatives to z1d

OptionPrice vs z1dWhy look at it
m5znCompare →
-11%-$0.0417/hr
xlarge, Linux on-demand, us-east-1		Newer generation, 16 GiB RAM instead of 32, same vCPU
r7izCompare →
same price
xlarge, Linux on-demand, us-east-1		Newer generation, same vCPU and RAM

Common use cases

  • In-memory databases
  • Real-time big data analytics
  • High-performance caching

Head-to-Head Architecture Comparisons

View all comparisons →
Architecture & Sizingr7iz vs z1d vs m5zn

AWS High-Frequency Compute: R7iz vs Z1d vs M5zn

Ultra-high single-core clock speeds up to 4.5 GHz for EDA, financial modeling, and per-core licensing

Compare specifications →

Instance types (6)

InstancevCPUMemoryArchitectureFrom (Linux, $/hr)
z1d.large216 GBx86_64$0.1860
z1d.xlarge432 GBx86_64$0.3720
z1d.2xlarge864 GBx86_64$0.7440
z1d.3xlarge1296 GBx86_64$1.1160
z1d.6xlarge24192 GBx86_64$2.2320
z1d.12xlarge48384 GBx86_64$4.4640