diff --git a/src/pages/gpu-service/instances/config/mock-data.ts b/src/pages/gpu-service/instances/config/mock-data.ts
new file mode 100644
index 00000000..32d9c9e0
--- /dev/null
+++ b/src/pages/gpu-service/instances/config/mock-data.ts
@@ -0,0 +1,247 @@
+export default {
+  items: [
+    {
+      name: 'gpustack--nvidia-a10g-linux-amd64',
+      spec: {
+        memory: '24Gi',
+        cores: '10240',
+        sliceable: true,
+        cpu: {
+          cache: {}
+        },
+        cache: {},
+        displayName: 'NVIDIA-A10G',
+        acceleratorGroup: 'nvidia-a10g',
+        generalGroup: 'generic',
+        acceleratable: true,
+        manufacturer: 'nvidia',
+        product: 'NVIDIA-A10G',
+        family: 'Ampere',
+        os: 'linux',
+        arch: 'amd64',
+        unitResources: {
+          cpu: '4',
+          ram: '16Gi'
+        },
+        localStorage: '100Gi'
+      },
+      status: {
+        onceMaxRequest: {
+          accelerator: '1',
+          acceleratorShared: '10',
+          acceleratorSliced: '100',
+          cpu: '0'
+        },
+        remaining: {
+          accelerator: '1',
+          acceleratorShared: '10',
+          acceleratorSliced: '100',
+          cpu: '0'
+        },
+        tiers: [
+          {
+            onceMaxRequest: {
+              accelerator: '1',
+              acceleratorShared: '10',
+              acceleratorSliced: '100',
+              cpu: '0'
+            },
+            remaining: {
+              accelerator: '1',
+              acceleratorShared: '10',
+              acceleratorSliced: '100',
+              cpu: '0'
+            },
+            candidates: [
+              {
+                cluster: '1',
+                name: 'gpustack--nvidia-a10g-linux-amd64',
+                phase: 'Active',
+                accelerator: {
+                  onceMaxRequest: '1',
+                  remaining: '1',
+                  capacity: '1'
+                },
+                acceleratorShared: {
+                  onceMaxRequest: '10',
+                  remaining: '10',
+                  capacity: '10'
+                },
+                acceleratorSliced: {
+                  onceMaxRequest: '100',
+                  remaining: '100',
+                  capacity: '100'
+                },
+                cpu: {
+                  onceMaxRequest: '0',
+                  remaining: '0',
+                  capacity: '0'
+                }
+              }
+            ]
+          }
+        ]
+      }
+    },
+    {
+      name: 'gpustack--nvidia-tesla-t4-linux-amd64',
+      spec: {
+        memory: '16Gi',
+        cores: '2560',
+        sliceable: true,
+        cpu: {
+          cache: {}
+        },
+        cache: {},
+        displayName: 'Tesla-T4',
+        acceleratorGroup: 'nvidia-tesla-t4',
+        generalGroup: 'generic',
+        acceleratable: true,
+        manufacturer: 'nvidia',
+        product: 'Tesla-T4',
+        family: 'Turing',
+        os: 'linux',
+        arch: 'amd64',
+        unitResources: {
+          cpu: '4',
+          ram: '16Gi'
+        },
+        localStorage: '100Gi'
+      },
+      status: {
+        onceMaxRequest: {
+          accelerator: '0',
+          acceleratorShared: '0',
+          acceleratorSliced: '0',
+          cpu: '0'
+        },
+        remaining: {
+          accelerator: '0',
+          acceleratorShared: '0',
+          acceleratorSliced: '0',
+          cpu: '0'
+        },
+        tiers: [
+          {
+            onceMaxRequest: {
+              accelerator: '0',
+              acceleratorShared: '0',
+              acceleratorSliced: '0',
+              cpu: '0'
+            },
+            remaining: {
+              accelerator: '0',
+              acceleratorShared: '0',
+              acceleratorSliced: '0',
+              cpu: '0'
+            },
+            candidates: [
+              {
+                cluster: '1',
+                name: 'gpustack--nvidia-tesla-t4-linux-amd64',
+                phase: 'Active',
+                accelerator: {
+                  onceMaxRequest: '0',
+                  remaining: '0',
+                  capacity: '1'
+                },
+                acceleratorShared: {
+                  onceMaxRequest: '0',
+                  remaining: '0',
+                  capacity: '10'
+                },
+                acceleratorSliced: {
+                  onceMaxRequest: '0',
+                  remaining: '0',
+                  capacity: '100'
+                },
+                cpu: {
+                  onceMaxRequest: '0',
+                  remaining: '0',
+                  capacity: '0'
+                }
+              }
+            ]
+          }
+        ]
+      }
+    },
+    {
+      name: 'gpustack--generic-linux-amd64',
+      spec: {
+        sliceable: false,
+        cpu: {
+          cache: {}
+        },
+        cache: {},
+        displayName: 'CPU-only',
+        generalGroup: 'generic',
+        acceleratable: false,
+        os: 'linux',
+        arch: 'amd64',
+        unitResources: {
+          cpu: '1',
+          ram: '2Gi'
+        },
+        localStorage: '100Gi'
+      },
+      status: {
+        onceMaxRequest: {
+          accelerator: '0',
+          acceleratorShared: '0',
+          acceleratorSliced: '0',
+          cpu: '16'
+        },
+        remaining: {
+          accelerator: '0',
+          acceleratorShared: '0',
+          acceleratorSliced: '0',
+          cpu: '23'
+        },
+        tiers: [
+          {
+            onceMaxRequest: {
+              accelerator: '0',
+              acceleratorShared: '0',
+              acceleratorSliced: '0',
+              cpu: '16'
+            },
+            remaining: {
+              accelerator: '0',
+              acceleratorShared: '0',
+              acceleratorSliced: '0',
+              cpu: '23'
+            },
+            candidates: [
+              {
+                cluster: '1',
+                name: 'gpustack--generic-linux-amd64',
+                phase: 'Active',
+                accelerator: {
+                  onceMaxRequest: '0',
+                  remaining: '0',
+                  capacity: '0'
+                },
+                acceleratorShared: {
+                  onceMaxRequest: '0',
+                  remaining: '0',
+                  capacity: '0'
+                },
+                acceleratorSliced: {
+                  onceMaxRequest: '0',
+                  remaining: '0',
+                  capacity: '0'
+                },
+                cpu: {
+                  onceMaxRequest: '16',
+                  remaining: '23',
+                  capacity: '24'
+                }
+              }
+            ]
+          }
+        ]
+      }
+    }
+  ]
+};
diff --git a/src/pages/gpu-service/instances/forms/instance-type.tsx b/src/pages/gpu-service/instances/forms/instance-type.tsx
index 0eb88551..1522b5dd 100644
--- a/src/pages/gpu-service/instances/forms/instance-type.tsx
+++ b/src/pages/gpu-service/instances/forms/instance-type.tsx
@@ -58,7 +58,7 @@ const InstanceTypePicker: React.FC<InstanceTypePickerProps> = ({
 };
 
 // Fixed 10-tick percentage scale (10..100) for the sliced (percentage) mode.
-const SLICE_PERCENT_TICKS = [10, 20, 30, 40, 50, 60, 70, 80, 90, 100];
+const SLICE_PERCENT_TICKS = [10, 20, 30, 50];
 
 interface InstanceTypeFormItemProps {
   action: PageActionType;
diff --git a/src/pages/gpu-service/instances/services/use-query-instance-types.ts b/src/pages/gpu-service/instances/services/use-query-instance-types.ts
index 093a85cd..2aa6e4ca 100644
--- a/src/pages/gpu-service/instances/services/use-query-instance-types.ts
+++ b/src/pages/gpu-service/instances/services/use-query-instance-types.ts
@@ -1,8 +1,8 @@
 import { useQueryData } from '@gpustack/core-ui';
 import React from 'react';
 import { ceilMilliToCore, parseQuantityToGi } from '../../utils';
-import { queryGPUServiceInstanceTypes } from '../apis';
 import { getAcceleratorMax } from '../config';
+import mockInstanceTypes from '../config/mock-data';
 import { InstanceTypeItem } from '../config/types';
 
 type InstanceType = InstanceTypeItem & {
@@ -13,7 +13,7 @@ export default function useQueryInstanceTypes() {
   const fetchDetail = (
     params: Global.SearchParams = { page: 1, perPage: 100 },
     options?: any
-  ) => queryGPUServiceInstanceTypes(params, options);
+  ) => Promise.resolve(mockInstanceTypes); // queryGPUServiceInstanceTypes(params, options);
 
   const { detailData, loading, cancelRequest, fetchData } = useQueryData<
     Global.PageResponse<InstanceTypeItem>,