Z3

Storage Optimized

Optimized for workloads that require high storage throughput and IOPS. Local SSDs deliver ultra-low latency for database engines and data-intensive applications.

Specifications

vCPUs

88-176

Memory

704-1408 GB

Network

Up to 100 Gbps

Storage IOPS

Up to 2.4M read IOPS

Synthetic Benchmarks

Category	Metric	Result	Source
storage	Local SSD IOPS (Read)	2,400,000 IOPS	GCP Documentation
storage	Local SSD Throughput (Read)	19.2 GB/s	GCP Documentation
storage	Local SSD IOPS (Write)	1,200,000 IOPS	GCP Documentation
storage	Local SSD Latency (Read)	45 μs	GCP Documentation
storage	Local SSD Latency (Write)	60 μs	GCP Documentation
storage	Local SSD Throughput (Write)	9.6 GB/s	GCP Documentation
cpu	Geekbench 6 Single-Core	1,700 points	Geekbench Browser
cpu	Geekbench 6 Multi-Core	20,100 points	Geekbench Browser
network	Max Bandwidth	100 Gbps	GCP Documentation
memory	STREAM Bandwidth	48.6 GB/s	GCP Performance Benchmarks

Workload Performance

Workload Performance Summary

Best result per workload category (mixed units -- see table below for details)

Workload	Metric	Machine Type	Result	Notes
Database	PostgreSQL TPS	z3-standard-88	9,200 TPS	pgbench TPC-B, 64 clients, local SSD

Pricing

On-demand pricing in us-central1. Spot and committed-use discounts shown for comparison.

Machine Type	vCPUs	Memory	On-Demand/hr	Spot/hr	1yr CUD/hr	3yr CUD/hr
z3-standard-88	88	704 GB	$4.854	$1.456	$3.058	$2.184
z3-standard-176	176	1408 GB	$9.709	$2.913	$6.117	$4.369