diff --git a/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/AdvancedSettings.tsx b/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/AdvancedSettings.tsx
index 9b14461e8ac..ee640523a61 100644
--- a/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/AdvancedSettings.tsx
+++ b/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/AdvancedSettings.tsx
@@ -72,35 +72,6 @@ export const AdvancedSettings = ({
               )}
             />
 
-            <FormField_Shadcn_
-              control={form.control}
-              name="maxSize"
-              render={({ field }) => (
-                <FormItemLayout
-                  label="Batch size"
-                  layout="horizontal"
-                  description={
-                    <>
-                      <p>Number of rows to send in a batch.</p>
-                      <p>Larger batches use more memory, with the risk of running out of memory.</p>
-                    </>
-                  }
-                >
-                  <FormControl_Shadcn_>
-                    <PrePostTab postTab="rows">
-                      <Input_Shadcn_
-                        {...field}
-                        type="number"
-                        value={field.value ?? ''}
-                        onChange={handleNumberChange(field)}
-                        placeholder="Default: 100000"
-                      />
-                    </PrePostTab>
-                  </FormControl_Shadcn_>
-                </FormItemLayout>
-              )}
-            />
-
             <FormField_Shadcn_
               control={form.control}
               name="maxTableSyncWorkers"
@@ -130,6 +101,37 @@ export const AdvancedSettings = ({
               )}
             />
 
+            <FormField_Shadcn_
+              control={form.control}
+              name="maxCopyConnectionsPerTable"
+              render={({ field }) => (
+                <FormItemLayout
+                  label="Copy connections per table"
+                  layout="horizontal"
+                  description={
+                    <>
+                      <p>
+                        Number of copy connections each table sync worker can use in parallel when
+                        copying a table.
+                      </p>
+                    </>
+                  }
+                >
+                  <FormControl_Shadcn_>
+                    <PrePostTab postTab="connections">
+                      <Input_Shadcn_
+                        {...field}
+                        type="number"
+                        value={field.value ?? ''}
+                        onChange={handleNumberChange(field)}
+                        placeholder="Default: 4"
+                      />
+                    </PrePostTab>
+                  </FormControl_Shadcn_>
+                </FormItemLayout>
+              )}
+            />
+
             {/* BigQuery-specific: Max staleness */}
             {type === 'BigQuery' && (
               <FormField_Shadcn_
diff --git a/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/DestinationForm.schema.ts b/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/DestinationForm.schema.ts
index 312d3798a53..a8949f27729 100644
--- a/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/DestinationForm.schema.ts
+++ b/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/DestinationForm.schema.ts
@@ -7,12 +7,16 @@ export const DestinationPanelFormSchema = z.object({
   name: z.string().min(1, 'Name is required'),
   publicationName: z.string().min(1, 'Publication is required'),
   maxFillMs: z.number().min(1, 'Max Fill milliseconds should be greater than 0').int().optional(),
-  maxSize: z.number().min(1, 'Max batch size should be greater than 0').int().optional(),
   maxTableSyncWorkers: z
     .number()
     .min(1, 'Max table sync workers should be greater than 0')
     .int()
     .optional(),
+  maxCopyConnectionsPerTable: z
+    .number()
+    .int()
+    .min(1, 'Max copy connections per table should be greater than 0')
+    .optional(),
   // BigQuery fields
   projectId: z.string().optional(),
   datasetId: z.string().optional(),
diff --git a/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/index.tsx b/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/index.tsx
index 5449a1982df..8d99386278e 100644
--- a/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/index.tsx
+++ b/apps/studio/components/interfaces/Database/Replication/DestinationPanel/DestinationForm/index.tsx
@@ -19,8 +19,8 @@ import { useReplicationSourcesQuery } from 'data/replication/sources-query'
 import { useStartPipelineMutation } from 'data/replication/start-pipeline-mutation'
 import { useUpdateDestinationPipelineMutation } from 'data/replication/update-destination-pipeline-mutation'
 import {
-  type ValidationFailure,
   useValidateDestinationMutation,
+  type ValidationFailure,
 } from 'data/replication/validate-destination-mutation'
 import { useValidatePipelineMutation } from 'data/replication/validate-pipeline-mutation'
 import { useIcebergNamespaceCreateMutation } from 'data/storage/iceberg-namespace-create-mutation'
@@ -174,8 +174,8 @@ export const DestinationForm = ({
       name: destinationData?.name ?? '',
       publicationName: pipelineData?.config.publication_name ?? '',
       maxFillMs: pipelineData?.config?.batch?.max_fill_ms ?? undefined,
-      maxSize: pipelineData?.config?.batch?.max_size ?? undefined,
       maxTableSyncWorkers: pipelineData?.config?.max_table_sync_workers ?? undefined,
+      maxCopyConnectionsPerTable: pipelineData?.config?.max_copy_connections_per_table ?? undefined,
       // BigQuery fields
       projectId: isBigQueryConfig ? config.big_query.project_id : '',
       datasetId: isBigQueryConfig ? config.big_query.dataset_id : '',
@@ -303,8 +303,8 @@ export const DestinationForm = ({
         sourceId,
         publicationName: data.publicationName,
         maxFillMs: data.maxFillMs,
-        maxSize: data.maxSize,
         maxTableSyncWorkers: data.maxTableSyncWorkers,
+        maxCopyConnectionsPerTable: data.maxCopyConnectionsPerTable,
       }),
     ])
 
@@ -403,10 +403,9 @@ export const DestinationForm = ({
         }
 
         const batchConfig: BatchConfig | undefined =
-          data.maxFillMs !== undefined || data.maxSize !== undefined
+          data.maxFillMs !== undefined
             ? {
                 ...(data.maxFillMs !== undefined ? { maxFillMs: data.maxFillMs } : {}),
-                ...(data.maxSize !== undefined ? { maxSize: data.maxSize } : {}),
               }
             : undefined
         const hasBatchFields = batchConfig !== undefined
@@ -422,6 +421,7 @@ export const DestinationForm = ({
           pipelineConfig: {
             publicationName: data.publicationName,
             maxTableSyncWorkers: data.maxTableSyncWorkers,
+            maxCopyConnectionsPerTable: data.maxCopyConnectionsPerTable,
             ...(hasBatchFields ? { batch: batchConfig } : {}),
           },
           sourceId,
@@ -486,10 +486,9 @@ export const DestinationForm = ({
           destinationConfig = { iceberg: icebergConfig }
         }
         const batchConfig: BatchConfig | undefined =
-          data.maxFillMs !== undefined || data.maxSize !== undefined
+          data.maxFillMs !== undefined
             ? {
                 ...(data.maxFillMs !== undefined ? { maxFillMs: data.maxFillMs } : {}),
-                ...(data.maxSize !== undefined ? { maxSize: data.maxSize } : {}),
               }
             : undefined
         const hasBatchFields = batchConfig !== undefined
@@ -504,6 +503,7 @@ export const DestinationForm = ({
           pipelineConfig: {
             publicationName: data.publicationName,
             maxTableSyncWorkers: data.maxTableSyncWorkers,
+            maxCopyConnectionsPerTable: data.maxCopyConnectionsPerTable,
             ...(hasBatchFields ? { batch: batchConfig } : {}),
           },
         })
diff --git a/apps/studio/data/replication/create-destination-pipeline-mutation.ts b/apps/studio/data/replication/create-destination-pipeline-mutation.ts
index 4d900622284..8a0cd04291c 100644
--- a/apps/studio/data/replication/create-destination-pipeline-mutation.ts
+++ b/apps/studio/data/replication/create-destination-pipeline-mutation.ts
@@ -1,9 +1,9 @@
 import { useMutation, useQueryClient } from '@tanstack/react-query'
-import { toast } from 'sonner'
-
 import type { components } from 'api-types'
 import { handleError, post } from 'data/fetchers'
+import { toast } from 'sonner'
 import type { ResponseError, UseCustomMutationOptions } from 'types'
+
 import { replicationKeys } from './keys'
 
 export type DestinationConfig =
@@ -33,7 +33,6 @@ export type IcebergDestinationConfig = {
 
 export type BatchConfig = {
   maxFillMs?: number
-  maxSize?: number
 }
 
 export type CreateDestinationPipelineParams = {
@@ -45,6 +44,7 @@ export type CreateDestinationPipelineParams = {
     publicationName: string
     batch?: BatchConfig
     maxTableSyncWorkers?: number
+    maxCopyConnectionsPerTable?: number
   }
 }
 
@@ -53,7 +53,7 @@ async function createDestinationPipeline(
     projectRef,
     destinationName: destinationName,
     destinationConfig,
-    pipelineConfig: { publicationName, batch, maxTableSyncWorkers },
+    pipelineConfig: { publicationName, batch, maxTableSyncWorkers, maxCopyConnectionsPerTable },
     sourceId,
   }: CreateDestinationPipelineParams,
   signal?: AbortSignal
@@ -113,11 +113,13 @@ async function createDestinationPipeline(
         ...(maxTableSyncWorkers !== undefined
           ? { max_table_sync_workers: maxTableSyncWorkers }
           : {}),
+        ...(maxCopyConnectionsPerTable !== undefined
+          ? { max_copy_connections_per_table: maxCopyConnectionsPerTable }
+          : {}),
         ...(batch
           ? {
               batch: {
                 ...(batch.maxFillMs !== undefined ? { max_fill_ms: batch.maxFillMs } : {}),
-                ...(batch.maxSize !== undefined ? { max_size: batch.maxSize } : {}),
               },
             }
           : {}),
diff --git a/apps/studio/data/replication/update-destination-pipeline-mutation.ts b/apps/studio/data/replication/update-destination-pipeline-mutation.ts
index 8bdb50f0acc..a48f475357c 100644
--- a/apps/studio/data/replication/update-destination-pipeline-mutation.ts
+++ b/apps/studio/data/replication/update-destination-pipeline-mutation.ts
@@ -1,9 +1,9 @@
 import { useMutation, useQueryClient } from '@tanstack/react-query'
-import { toast } from 'sonner'
-
 import type { components } from 'api-types'
 import { handleError, post } from 'data/fetchers'
+import { toast } from 'sonner'
 import type { ResponseError, UseCustomMutationOptions } from 'types'
+
 import { BatchConfig, DestinationConfig } from './create-destination-pipeline-mutation'
 import { replicationKeys } from './keys'
 
@@ -18,6 +18,7 @@ export type UpdateDestinationPipelineParams = {
     publicationName: string
     batch?: BatchConfig
     maxTableSyncWorkers?: number
+    maxCopyConnectionsPerTable?: number
   }
 }
 
@@ -28,7 +29,7 @@ async function updateDestinationPipeline(
     projectRef,
     destinationName: destinationName,
     destinationConfig,
-    pipelineConfig: { publicationName, batch, maxTableSyncWorkers },
+    pipelineConfig: { publicationName, batch, maxTableSyncWorkers, maxCopyConnectionsPerTable },
     sourceId,
   }: UpdateDestinationPipelineParams,
   signal?: AbortSignal
@@ -88,11 +89,13 @@ async function updateDestinationPipeline(
           ...(maxTableSyncWorkers !== undefined
             ? { max_table_sync_workers: maxTableSyncWorkers }
             : {}),
+          ...(maxCopyConnectionsPerTable !== undefined
+            ? { max_copy_connections_per_table: maxCopyConnectionsPerTable }
+            : {}),
           ...(batch
             ? {
                 batch: {
                   ...(batch.maxFillMs !== undefined ? { max_fill_ms: batch.maxFillMs } : {}),
-                  ...(batch.maxSize !== undefined ? { max_size: batch.maxSize } : {}),
                 },
               }
             : {}),
diff --git a/apps/studio/data/replication/validate-pipeline-mutation.ts b/apps/studio/data/replication/validate-pipeline-mutation.ts
index 9c85c9b2f12..af822a5bd07 100644
--- a/apps/studio/data/replication/validate-pipeline-mutation.ts
+++ b/apps/studio/data/replication/validate-pipeline-mutation.ts
@@ -9,8 +9,8 @@ type ValidatePipelineParams = {
   sourceId: number
   publicationName: string
   maxFillMs?: number
-  maxSize?: number
   maxTableSyncWorkers?: number
+  maxCopyConnectionsPerTable?: number
 }
 type ValidatePipelineResponse = components['schemas']['ValidatePipelineResponse']
 
@@ -20,18 +20,15 @@ async function validatePipeline(
     sourceId,
     publicationName,
     maxFillMs,
-    maxSize,
     maxTableSyncWorkers,
+    maxCopyConnectionsPerTable,
   }: ValidatePipelineParams,
   signal?: AbortSignal
 ): Promise<ValidatePipelineResponse> {
   if (!projectRef) throw new Error('projectRef is required')
   if (!sourceId) throw new Error('sourceId is required')
 
-  const batchConfig =
-    maxFillMs !== undefined || maxSize !== undefined
-      ? { max_fill_ms: maxFillMs, max_size: maxSize }
-      : undefined
+  const batchConfig = maxFillMs !== undefined ? { max_fill_ms: maxFillMs } : undefined
 
   const { data, error } = await post('/platform/replication/{ref}/pipelines/validate', {
     params: { path: { ref: projectRef } },
@@ -40,6 +37,7 @@ async function validatePipeline(
       config: {
         publication_name: publicationName,
         max_table_sync_workers: maxTableSyncWorkers,
+        max_copy_connections_per_table: maxCopyConnectionsPerTable,
         batch: batchConfig,
       },
     },
diff --git a/packages/api-types/types/api.d.ts b/packages/api-types/types/api.d.ts
index 32207dabcdb..0e5003ce695 100644
--- a/packages/api-types/types/api.d.ts
+++ b/packages/api-types/types/api.d.ts
@@ -934,7 +934,8 @@ export interface paths {
       path?: never
       cookie?: never
     }
-    get?: never
+    /** Get database disk attributes */
+    get: operations['v1-get-database-disk']
     put?: never
     /** Modify database disk */
     post: operations['v1-modify-database-disk']
@@ -2806,6 +2807,23 @@ export interface components {
             type: 'io2'
           }
     }
+    DiskResponse: {
+      attributes:
+        | {
+            iops: number
+            size_gb: number
+            throughput_mibps?: number
+            /** @enum {string} */
+            type: 'gp3'
+          }
+        | {
+            iops: number
+            size_gb: number
+            /** @enum {string} */
+            type: 'io2'
+          }
+      last_modified_at?: string
+    }
     DiskUtilMetricsResponse: {
       metrics: {
         fs_avail_bytes: number
@@ -4821,6 +4839,7 @@ export interface components {
              * @description Deprecated. Use `status` instead.
              */
             healthy: boolean
+            replication_connected: boolean
           }
         | {
             db_schema: string
@@ -8291,6 +8310,56 @@ export interface operations {
       }
     }
   }
+  'v1-get-database-disk': {
+    parameters: {
+      query?: never
+      header?: never
+      path: {
+        /** @description Project ref */
+        ref: string
+      }
+      cookie?: never
+    }
+    requestBody?: never
+    responses: {
+      200: {
+        headers: {
+          [name: string]: unknown
+        }
+        content: {
+          'application/json': components['schemas']['DiskResponse']
+        }
+      }
+      /** @description Unauthorized */
+      401: {
+        headers: {
+          [name: string]: unknown
+        }
+        content?: never
+      }
+      /** @description Forbidden action */
+      403: {
+        headers: {
+          [name: string]: unknown
+        }
+        content?: never
+      }
+      /** @description Rate limit exceeded */
+      429: {
+        headers: {
+          [name: string]: unknown
+        }
+        content?: never
+      }
+      /** @description Failed to get database disk attributes */
+      500: {
+        headers: {
+          [name: string]: unknown
+        }
+        content?: never
+      }
+    }
+  }
   'v1-modify-database-disk': {
     parameters: {
       query?: never
diff --git a/packages/api-types/types/platform.d.ts b/packages/api-types/types/platform.d.ts
index f695cc39e5b..9d917f93f37 100644
--- a/packages/api-types/types/platform.d.ts
+++ b/packages/api-types/types/platform.d.ts
@@ -5451,12 +5451,9 @@ export interface components {
            * @example 200
            */
           max_fill_ms?: number
-          /**
-           * @description Maximum size of the batch
-           * @example 200
-           */
-          max_size?: number
         }
+        /** @description Maximum number of copy connections per table */
+        max_copy_connections_per_table?: number
         /** @description Maximum number of table sync workers */
         max_table_sync_workers?: number
         /**
@@ -5481,12 +5478,9 @@ export interface components {
            * @example 200
            */
           max_fill_ms?: number
-          /**
-           * @description Maximum size of the batch
-           * @example 200
-           */
-          max_size?: number
         }
+        /** @description Maximum number of copy connections per table */
+        max_copy_connections_per_table?: number
         /** @description Maximum number of table sync workers */
         max_table_sync_workers?: number
         /**
@@ -8766,12 +8760,9 @@ export interface components {
            * @example 200
            */
           max_fill_ms?: number
-          /**
-           * @description Maximum size of the batch
-           * @example 200
-           */
-          max_size?: number
         }
+        /** @description Maximum number of copy connections per table */
+        max_copy_connections_per_table?: number
         /** @description Maximum number of table sync workers */
         max_table_sync_workers?: number
         /**
@@ -8828,12 +8819,9 @@ export interface components {
              * @example 200
              */
             max_fill_ms?: number
-            /**
-             * @description Maximum size of the batch
-             * @example 200
-             */
-            max_size?: number
           }
+          /** @description Maximum number of copy connections per table */
+          max_copy_connections_per_table?: number
           /** @description Maximum number of table sync workers */
           max_table_sync_workers?: number
           /**
@@ -10365,12 +10353,9 @@ export interface components {
            * @example 200
            */
           max_fill_ms?: number
-          /**
-           * @description Maximum size of the batch
-           * @example 200
-           */
-          max_size?: number
         }
+        /** @description Maximum number of copy connections per table */
+        max_copy_connections_per_table?: number
         /** @description Maximum number of table sync workers */
         max_table_sync_workers?: number
         /**
@@ -10395,12 +10380,9 @@ export interface components {
            * @example 200
            */
           max_fill_ms?: number
-          /**
-           * @description Maximum size of the batch
-           * @example 200
-           */
-          max_size?: number
         }
+        /** @description Maximum number of copy connections per table */
+        max_copy_connections_per_table?: number
         /** @description Maximum number of table sync workers */
         max_table_sync_workers?: number
         /**
@@ -10806,12 +10788,9 @@ export interface components {
            * @example 200
            */
           max_fill_ms?: number
-          /**
-           * @description Maximum size of the batch
-           * @example 200
-           */
-          max_size?: number
         }
+        /** @description Maximum number of copy connections per table */
+        max_copy_connections_per_table?: number
         /** @description Maximum number of table sync workers */
         max_table_sync_workers?: number
         /**