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    Server Load Balancer:Server Load Balancer billing

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    Server Load Balancer:Server Load Balancer billing

    Last Updated:Sep 21, 2026

    Each Server Load Balancer sub-product has its own billing model. Use the index below to find billing details for ALB, NLB, or CLB.

    Billing documents by sub-product

    Sub-product

    Billing documents

    Application Load Balancer (ALB)

    Network Load Balancer (NLB)

    Classic Load Balancer (CLB)

    Billing comparison

    The following section describes the billing for ALB, NLB, and CLB.

    ALB billing

    image

    NLB billing

    image

    For pay-as-you-go NLB pricing, see NLB billing rules.

    CLB billing

    The following figure shows billing components for pay-as-you-go CLB instances. For pricing details, see Pay-as-you-go.

    image

    The following table compares the Load Balancer Capacity Unit (LCU) pricing and definitions for ALB, NLB, and CLB.

    Service

    LCU unit price

    Unit: USD/LCU/hour

    LCU definition

    References

    Application Load Balancer ALB

    0.007

    One ALB LCU includes:

    • 25 new connections per second

    • 3,000 concurrent connections (sampled per minute)

    • 1 GB of request and response data transfer per hour

    • 1,000 rule evaluations per hour

      Note

      The number of forwarding rules, lines of AScript code, and additional certificates determine the number of rule evaluations. The free tier for each of these three metrics is 25.

    Load balancer capacity unit (LCU) fee

    Network Load Balancer NLB

    0.005

    For TCP traffic, one NLB LCU includes:

    • 800 new TCP connections per second

    • 100,000 concurrent TCP connections (sampled per minute)

    • 1 GB of TCP request and response data transfer per hour

    For UDP traffic, one NLB LCU includes:

    • 400 new UDP connections per second

    • 50,000 concurrent UDP connections (sampled per minute)

    • 1 GB of UDP request and response data transfer per hour

    For TCPSSL traffic, one NLB LCU includes:

    • 50 new TCPSSL connections per second

    • 3,000 concurrent TCPSSL connections (sampled per minute)

    • 1 GB of TCPSSL request and response data transfer per hour

    LCU fee

    Classic Load Balancer CLB

    0.007

    For TCP traffic, one CLB LCU includes:

    • 800 new TCP connections per second

    • 100,000 concurrent TCP connections (sampled per minute)

    • 1 GB of TCP request and response data transfer per hour

    For UDP traffic, one CLB LCU includes:

    • 400 new UDP connections per second

    • 50,000 concurrent UDP connections (sampled per minute)

    • 1 GB of UDP request and response data transfer per hour

    For HTTP(S) traffic, one CLB LCU includes:

    • 25 new HTTP(S) connections per second

    • 3,000 concurrent HTTP(S) connections (sampled per minute)

    • 1 GB of HTTP(S) request and response data transfer per hour

    • 1,000 rule evaluations per hour

      Note

      The number of rule evaluations is determined by the number of forwarding rules. The free tier is 25.

    Specification & LCU fee