db-perf-optimized-C4-4

db-perf-optimized-C4-4 is a GCP Cloud SQL machine type with 4 vCPUs, 31 GiB memory. In Johannesburg it costs $0.495 per hour on demand ($361.35 per month) for PostgreSQL, Single zone; a 1-year committed use discount costs $0.3713 per hour, 25% less. It is sold in 17 regions.

Prices by region

USD per hour, PostgreSQL, Single zone. Committed use prices are billed monthly. Cheapest on-demand first.

RegionOn-demand1-yr committed use3-yr committed use
Johannesburg africa-south1$0.495$0.3713$0.2376
Columbus us-east5$0.495$0.3713$0.2376
Las Vegas us-west4$0.5296$0.3972$0.2542
Netherlands europe-west4$0.5445$0.4084$0.2614
Milan europe-west8$0.5742$0.4307$0.2756
Delhi asia-south2$0.594$0.4455$0.2851
London europe-west2$0.594$0.4455$0.2851
Frankfurt europe-west3$0.594$0.4455$0.2851
Dallas us-south1$0.594$0.4455$0.2851
Salt Lake City us-west3$0.594$0.4455$0.2851
Seoul asia-northeast3$0.6435$0.4826$0.3089
Jakarta asia-southeast2$0.6435$0.4826$0.3089
Zurich europe-west6$0.6435$0.4826$0.3089
Melbourne australia-southeast2$0.6683$0.5012$0.3208
Singapore asia-southeast1$0.693$0.5198$0.3326
Santiago southamerica-west1$0.693$0.5198$0.3326
Hong Kong asia-east2$0.7425$0.5569$0.3564

Prices by engine and deployment in Johannesburg

OptionOn-demand /hr1-yr committed use /hr3-yr committed use /hr
PostgreSQL · Single zone$0.495$0.3713$0.2376
PostgreSQL · High availability$0.99$0.7425$0.4752
MySQL · Single zone$0.495$0.3713$0.2376
MySQL · High availability$0.99$0.7425$0.4752

Specs

ComputeValue
vCPUs4
Architecturex86_64
MemoryValue
Memory (GiB)31
StorageValue
StorageUp to 64 TiB
Instance detailsValue
Instance typedb-perf-optimized-C4-4
Familyperf-optimized-C4
CategoryEnterprise Plus
OtherValue
Specs sourceCloud SQL Admin API

Other perf-optimized-C4 sizes

SizevCPUsMemory (GiB)On-demand /hr
db-perf-optimized-C4-2215$0.243
db-perf-optimized-C4-4431$0.495
db-perf-optimized-C4-8862$0.99

Prices updated 2026-11-12 from the Google Cloud Billing Catalog API. Compare all GCP Cloud SQL sizes.