> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nebius.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Quotas and constraints in Object Storage

## Quotas

Object Storage has quotas on buckets and storage size for your [tenant](../../iam/overview#tenants).

| Quota name                                                                                           | Default value                                                                                                                                   |
| ---------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------- |
| Total size of objects in [Standard storage](../storage-classes) per [region](../../overview/regions) | 10 <Tooltip tip={<>Nebius uses binary units. For example, a <i>gibibyte</i> (GiB) is 2<sup>30</sup> (1024<sup>3</sup>) bytes.</>}>TiB</Tooltip> |
| Total size of objects in [Enhanced Throughput storage](../storage-classes) per region                | 1 <Tooltip tip={<>Nebius uses binary units. For example, a <i>gibibyte</i> (GiB) is 2<sup>30</sup> (1024<sup>3</sup>) bytes.</>}>TiB</Tooltip>  |
| Buckets per region                                                                                   | 200                                                                                                                                             |

For details on what quotas are and how to manage them, see [Quotas in Nebius AI Cloud](../../overview/quotas).

## Constraints

The total number of objects in a bucket cannot exceed 1 billion. If you exceed this limit, the request fails with the `BucketObjectsCountExceeded` error (`HTTP 400`).

If the bucket has [versioning](../buckets/versioning) enabled, the total number of object versions in the bucket cannot exceed 100 million. This limit includes current and noncurrent versions.

To increase this limit for a specific bucket, [contact support](https://console.nebius.com/support).