diff --git a/backend/internal/features/storages/model_test.go b/backend/internal/features/storages/model_test.go
index e25cc79..4d00d1a 100644
--- a/backend/internal/features/storages/model_test.go
+++ b/backend/internal/features/storages/model_test.go
@@ -110,6 +110,18 @@ func Test_Storage_BasicOperations(t *testing.T) {
 				S3Endpoint:  "http://" + s3Container.endpoint,
 			},
 		},
+		{
+			name: "S3Storage_WithStorageClass",
+			storage: &s3_storage.S3Storage{
+				StorageID:      uuid.New(),
+				S3Bucket:       s3Container.bucketName,
+				S3Region:       s3Container.region,
+				S3AccessKey:    s3Container.accessKey,
+				S3SecretKey:    s3Container.secretKey,
+				S3Endpoint:     "http://" + s3Container.endpoint,
+				S3StorageClass: s3_storage.S3StorageClassStandard,
+			},
+		},
 		{
 			name: "NASStorage",
 			storage: &nas_storage.NASStorage{
diff --git a/backend/internal/features/storages/models/s3/enums.go b/backend/internal/features/storages/models/s3/enums.go
new file mode 100644
index 0000000..92fca71
--- /dev/null
+++ b/backend/internal/features/storages/models/s3/enums.go
@@ -0,0 +1,13 @@
+package s3_storage
+
+type S3StorageClass string
+
+const (
+	S3StorageClassDefault            S3StorageClass = ""
+	S3StorageClassStandard           S3StorageClass = "STANDARD"
+	S3StorageClassStandardIA         S3StorageClass = "STANDARD_IA"
+	S3StorageClassOnezoneIA          S3StorageClass = "ONEZONE_IA"
+	S3StorageClassIntelligentTiering S3StorageClass = "INTELLIGENT_TIERING"
+	S3StorageClassReducedRedundancy  S3StorageClass = "REDUCED_REDUNDANCY"
+	S3StorageClassGlacierIR          S3StorageClass = "GLACIER_IR"
+)
diff --git a/backend/internal/features/storages/models/s3/model.go b/backend/internal/features/storages/models/s3/model.go
index ddbf911..988841a 100644
--- a/backend/internal/features/storages/models/s3/model.go
+++ b/backend/internal/features/storages/models/s3/model.go
@@ -43,9 +43,10 @@ type S3Storage struct {
 	S3SecretKey string    `json:"s3SecretKey" gorm:"not null;type:text;column:s3_secret_key"`
 	S3Endpoint  string    `json:"s3Endpoint"  gorm:"type:text;column:s3_endpoint"`
 
-	S3Prefix                string `json:"s3Prefix"                gorm:"type:text;column:s3_prefix"`
-	S3UseVirtualHostedStyle bool   `json:"s3UseVirtualHostedStyle" gorm:"default:false;column:s3_use_virtual_hosted_style"`
-	SkipTLSVerify           bool   `json:"skipTLSVerify"           gorm:"default:false;column:skip_tls_verify"`
+	S3Prefix                string         `json:"s3Prefix"                gorm:"type:text;column:s3_prefix"`
+	S3UseVirtualHostedStyle bool           `json:"s3UseVirtualHostedStyle" gorm:"default:false;column:s3_use_virtual_hosted_style"`
+	SkipTLSVerify           bool           `json:"skipTLSVerify"           gorm:"default:false;column:skip_tls_verify"`
+	S3StorageClass          S3StorageClass `json:"s3StorageClass"          gorm:"type:text;column:s3_storage_class;default:''"`
 }
 
 func (s *S3Storage) TableName() string {
@@ -76,7 +77,7 @@ func (s *S3Storage) SaveFile(
 		ctx,
 		s.S3Bucket,
 		objectKey,
-		minio.PutObjectOptions{},
+		s.putObjectOptions(),
 	)
 	if err != nil {
 		return fmt.Errorf("failed to initiate multipart upload: %w", err)
@@ -151,15 +152,16 @@ func (s *S3Storage) SaveFile(
 		if err != nil {
 			return err
 		}
+		opts := s.putObjectOptions()
+		opts.SendContentMd5 = true
+
 		_, err = client.PutObject(
 			ctx,
 			s.S3Bucket,
 			objectKey,
 			bytes.NewReader([]byte{}),
 			0,
-			minio.PutObjectOptions{
-				SendContentMd5: true,
-			},
+			opts,
 		)
 		if err != nil {
 			return fmt.Errorf("failed to upload empty file: %w", err)
@@ -173,7 +175,7 @@ func (s *S3Storage) SaveFile(
 		objectKey,
 		uploadID,
 		parts,
-		minio.PutObjectOptions{},
+		s.putObjectOptions(),
 	)
 	if err != nil {
 		_ = coreClient.AbortMultipartUpload(ctx, s.S3Bucket, objectKey, uploadID)
@@ -350,6 +352,7 @@ func (s *S3Storage) Update(incoming *S3Storage) {
 	s.S3Endpoint = incoming.S3Endpoint
 	s.S3UseVirtualHostedStyle = incoming.S3UseVirtualHostedStyle
 	s.SkipTLSVerify = incoming.SkipTLSVerify
+	s.S3StorageClass = incoming.S3StorageClass
 
 	if incoming.S3AccessKey != "" {
 		s.S3AccessKey = incoming.S3AccessKey
@@ -363,6 +366,12 @@ func (s *S3Storage) Update(incoming *S3Storage) {
 	// otherwise we will have to transfer all the data to the new prefix
 }
 
+func (s *S3Storage) putObjectOptions() minio.PutObjectOptions {
+	return minio.PutObjectOptions{
+		StorageClass: string(s.S3StorageClass),
+	}
+}
+
 func (s *S3Storage) buildObjectKey(fileName string) string {
 	if s.S3Prefix == "" {
 		return fileName
diff --git a/backend/migrations/20260402055223_add_storage_class_to_s3.sql b/backend/migrations/20260402055223_add_storage_class_to_s3.sql
new file mode 100644
index 0000000..845a472
--- /dev/null
+++ b/backend/migrations/20260402055223_add_storage_class_to_s3.sql
@@ -0,0 +1,11 @@
+-- +goose Up
+-- +goose StatementBegin
+ALTER TABLE s3_storages
+    ADD COLUMN s3_storage_class TEXT NOT NULL DEFAULT '';
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+ALTER TABLE s3_storages
+    DROP COLUMN s3_storage_class;
+-- +goose StatementEnd
diff --git a/frontend/src/entity/storages/index.ts b/frontend/src/entity/storages/index.ts
index 2132463..70415b5 100644
--- a/frontend/src/entity/storages/index.ts
+++ b/frontend/src/entity/storages/index.ts
@@ -3,6 +3,7 @@ export { type Storage } from './models/Storage';
 export { StorageType } from './models/StorageType';
 export { type LocalStorage } from './models/LocalStorage';
 export { type S3Storage } from './models/S3Storage';
+export { S3StorageClass, S3StorageClassLabels } from './models/S3StorageClass';
 export { type NASStorage } from './models/NASStorage';
 export { getStorageLogoFromType } from './models/getStorageLogoFromType';
 export { getStorageNameFromType } from './models/getStorageNameFromType';
diff --git a/frontend/src/entity/storages/models/S3Storage.ts b/frontend/src/entity/storages/models/S3Storage.ts
index 88c0905..2ee663f 100644
--- a/frontend/src/entity/storages/models/S3Storage.ts
+++ b/frontend/src/entity/storages/models/S3Storage.ts
@@ -7,4 +7,5 @@ export interface S3Storage {
   s3Prefix?: string;
   s3UseVirtualHostedStyle?: boolean;
   skipTLSVerify?: boolean;
+  s3StorageClass?: string;
 }
diff --git a/frontend/src/entity/storages/models/S3StorageClass.ts b/frontend/src/entity/storages/models/S3StorageClass.ts
new file mode 100644
index 0000000..7816ede
--- /dev/null
+++ b/frontend/src/entity/storages/models/S3StorageClass.ts
@@ -0,0 +1,19 @@
+export enum S3StorageClass {
+  DEFAULT = '',
+  STANDARD = 'STANDARD',
+  STANDARD_IA = 'STANDARD_IA',
+  ONEZONE_IA = 'ONEZONE_IA',
+  INTELLIGENT_TIERING = 'INTELLIGENT_TIERING',
+  REDUCED_REDUNDANCY = 'REDUCED_REDUNDANCY',
+  GLACIER_IR = 'GLACIER_IR',
+}
+
+export const S3StorageClassLabels: Record<S3StorageClass, string> = {
+  [S3StorageClass.DEFAULT]: 'Default (Standard)',
+  [S3StorageClass.STANDARD]: 'Standard',
+  [S3StorageClass.STANDARD_IA]: 'Standard - Infrequent Access',
+  [S3StorageClass.ONEZONE_IA]: 'One Zone - Infrequent Access',
+  [S3StorageClass.INTELLIGENT_TIERING]: 'Intelligent Tiering',
+  [S3StorageClass.REDUCED_REDUNDANCY]: 'Reduced Redundancy',
+  [S3StorageClass.GLACIER_IR]: 'Glacier Instant Retrieval',
+};
diff --git a/frontend/src/features/storages/ui/edit/storages/EditS3StorageComponent.tsx b/frontend/src/features/storages/ui/edit/storages/EditS3StorageComponent.tsx
index 147aaf0..dc93214 100644
--- a/frontend/src/features/storages/ui/edit/storages/EditS3StorageComponent.tsx
+++ b/frontend/src/features/storages/ui/edit/storages/EditS3StorageComponent.tsx
@@ -1,8 +1,8 @@
 import { DownOutlined, InfoCircleOutlined, UpOutlined } from '@ant-design/icons';
-import { Checkbox, Input, Tooltip } from 'antd';
+import { Checkbox, Input, Select, Tooltip } from 'antd';
 import { useEffect, useState } from 'react';
 
-import type { Storage } from '../../../../../entity/storages';
+import { S3StorageClass, S3StorageClassLabels, type Storage } from '../../../../../entity/storages';
 
 interface Props {
   storage: Storage;
@@ -20,7 +20,8 @@ export function EditS3StorageComponent({
   const hasAdvancedValues =
     !!storage?.s3Storage?.s3Prefix ||
     !!storage?.s3Storage?.s3UseVirtualHostedStyle ||
-    !!storage?.s3Storage?.skipTLSVerify;
+    !!storage?.s3Storage?.skipTLSVerify ||
+    !!storage?.s3Storage?.s3StorageClass;
   const [showAdvanced, setShowAdvanced] = useState(hasAdvancedValues);
 
   useEffect(() => {
@@ -278,6 +279,40 @@ export function EditS3StorageComponent({
               </Tooltip>
             </div>
           </div>
+
+          <div className="mb-1 flex w-full flex-col items-start sm:flex-row sm:items-center">
+            <div className="mb-1 min-w-[110px] sm:mb-0">Storage class</div>
+            <div className="flex items-center">
+              <Select
+                value={storage?.s3Storage?.s3StorageClass || S3StorageClass.DEFAULT}
+                options={Object.entries(S3StorageClassLabels).map(([value, label]) => ({
+                  value,
+                  label,
+                }))}
+                onChange={(value) => {
+                  if (!storage?.s3Storage) return;
+
+                  setStorage({
+                    ...storage,
+                    s3Storage: {
+                      ...storage.s3Storage,
+                      s3StorageClass: value,
+                    },
+                  });
+                  setUnsaved();
+                }}
+                size="small"
+                className="w-[250px] max-w-[250px]"
+              />
+
+              <Tooltip
+                className="cursor-pointer"
+                title="S3 storage class for uploaded objects. Leave as default for Standard. Some providers offer cheaper classes like One Zone IA. Do not use Glacier/Deep Archive — files must be immediately accessible for restores."
+              >
+                <InfoCircleOutlined className="ml-2" style={{ color: 'gray' }} />
+              </Tooltip>
+            </div>
+          </div>
         </>
       )}
 
diff --git a/frontend/src/features/storages/ui/show/storages/ShowS3StorageComponent.tsx b/frontend/src/features/storages/ui/show/storages/ShowS3StorageComponent.tsx
index d833e3a..bf51bca 100644
--- a/frontend/src/features/storages/ui/show/storages/ShowS3StorageComponent.tsx
+++ b/frontend/src/features/storages/ui/show/storages/ShowS3StorageComponent.tsx
@@ -1,4 +1,4 @@
-import type { Storage } from '../../../../../entity/storages';
+import { S3StorageClass, S3StorageClassLabels, type Storage } from '../../../../../entity/storages';
 
 interface Props {
   storage: Storage;
@@ -52,6 +52,14 @@ export function ShowS3StorageComponent({ storage }: Props) {
           Enabled
         </div>
       )}
+
+      {storage?.s3Storage?.s3StorageClass && (
+        <div className="mb-1 flex items-center">
+          <div className="min-w-[110px]">Storage Class</div>
+          {S3StorageClassLabels[storage.s3Storage.s3StorageClass as S3StorageClass] ||
+            storage.s3Storage.s3StorageClass}
+        </div>
+      )}
     </>
   );
 }