Previous generation M1 family · Memory Optimizedx86_64 · Intel/AMD

m1-ultramem-40

The m1-ultramem-40 machine type has 40 vCPUs and 961 GB of memory. Pricing for this instance starts at $6.29 per hour and $4593.96 monthly in the us-central1 region.

Updated June 26, 2026
vCPUs
40
Memory
961 GB
Network
Up to 32 Gbps
Storage
Persistent Disk

Save up to $3656/mo on every m1-ultramem-40

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All pricing options

us-central1 · USD · monthly = 730 hrs
Prices exclude local taxes
TermHourlyMonthlySavings
On-Demand
$6.2931$4593.96 Baseline
1-Year Committed Use Discount (CUD)
$3.7242$2718.68 -41%
3-Year Committed Use Discount (CUD)
$1.8883$1378.48 -70%
Preemptible / Spot
$1.2844$937.61 -80%
You could save $3656.35/mo on this instance with the right pricing model.
Find my savings

Monthly cost estimator

Estimate your spend based on actual usage.
730 h
1h365h730h (24/7)
1
Estimated monthly
$4593.96
730 hrs × $6.2931/hr × 1

Compute

x86_64 · Intel/AMD
vCPUs i40
Memory i961 GB
Physical processorIntel Broadwell
Nested VirtualizationNot supported
Sole TenantNot supported
GPUNone
Within M1 family
m1-ultramem-40
40 vCPU
m1-megamem-96
96 vCPU
m1-ultramem-80
80 vCPU
m1-ultramem-160
160 vCPU

Lock in this rate across your fleet — typically save 30–40%

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Networking

Max egress bandwidth32 Gbps
Tier 1 bandwidthN/A
Enhanced networking iYes (gvnic/virtio)
IPv6 supportYes (Dual-stack VPC)

Storage

Max persistent disks128
Max disk size512 TB
Local SSDsNo local SSD

Compare with another instance

vs.
Specm1-ultramem-40m1-megamem-96Δ
vCPUs4096+140%
Memory961 GB1433.6 GB+49%
Hourly Price$6.2931$10.6522+69%
Monthly Price$4593.96$7776.08+69%
Cost optimization

GCP recommender alerts can cut this bill ~30-40%.

Connect your GCP account. We'll identify every underutilized m1.* instance and show exactly where downsizing, cleaning up orphaned disks, or shifting to CUDs saves money — with zero code changes.