diff --git a/Aaru.Server/Components/Admin/Pages/Ata/Compare.razor b/Aaru.Server/Components/Admin/Pages/Ata/Compare.razor
new file mode 100644
index 00000000..797ead90
--- /dev/null
+++ b/Aaru.Server/Components/Admin/Pages/Ata/Compare.razor
@@ -0,0 +1,102 @@
+@page "/admin/ata/{id:int}/compare/{compareId:int}"
+@attribute [Authorize]
+@layout AdminLayout
+@rendermode InteractiveServer
+
+@inject Microsoft.EntityFrameworkCore.IDbContextFactory<DbContext> DbContextFactory
+
+<PageTitle>ATA IDENTIFY DEVICE comparison</PageTitle>
+
+@if(!_initialized)
+{
+    <div class="stats-section">
+        <h1 style="color: red; align-content: center; padding: 2rem">Loading...</h1>
+    </div>
+
+    return;
+}
+
+@if(Model.AreEqual)
+{
+    <section class="stats-section">
+        <p>No differences found.</p>
+    </section>
+
+    return;
+}
+
+@if(Model.HasError)
+{
+    <section class="stats-section">
+        <p class="alert-info">@Model.ErrorMessage</p>
+    </section>
+
+    return;
+}
+
+<section class="stats-section">
+    <table class="table table-dark table-striped table-bordered mt-4 mb-4">
+        <thead>
+        <tr>
+            <th>
+                Value name
+            </th>
+            <th>
+                ID: @Model.LeftId
+            </th>
+            <th>
+                ID: @Model.RightId
+            </th>
+            <th></th>
+        </tr>
+        </thead>
+        <tbody>
+        @for(var i = 0; i < Model.ValueNames.Count; i++)
+        {
+            <tr>
+                <td>
+                    @Model.ValueNames[i]
+                </td>
+                <td>
+                    @Model.LeftValues[i]
+                </td>
+                <td>
+                    @Model.RightValues[i]
+                </td>
+            </tr>
+        }
+        </tbody>
+    </table>
+    <button class="btn btn-danger btn-sm" @onclick="async () => await ShowDeleteModal(Id)">
+        <i class="bi bi-trash"></i> Delete ID @Id
+    </button>
+    <button class="btn btn-danger btn-sm" @onclick="async () => await ShowDeleteModal(CompareId)">
+        <i class="bi bi-trash"></i> Delete ID @CompareId
+    </button>
+    <button class="btn btn-secondary btn-sm" @onclick="() => ShowConsolidateModal(Id, CompareId)">
+        <i class="bi bi-arrow-left-right"></i> Replace all dependencies from ID @CompareId with ID @Id
+    </button>
+    <button class="btn btn-secondary btn-sm" @onclick="() => ShowConsolidateModal(CompareId, Id)">
+        <i class="bi bi-arrow-left-right"></i> Replace all dependencies from ID @Id with ID @CompareId
+    </button>
+</section>
+
+<BlazorBootstrap.Modal @ref="_deleteModal" Title="Delete IDENTIFY DEVICE" Size="ModalSize.Small">
+    <BodyTemplate>
+        <div class="text-danger">Are you sure you want to delete this IDENTIFY DEVICE?</div>
+    </BodyTemplate>
+    <FooterTemplate>
+        <button class="btn btn-secondary" @onclick="HideDeleteModal">Cancel</button>
+        <button class="btn btn-danger" @onclick="ConfirmDelete">Delete</button>
+    </FooterTemplate>
+</BlazorBootstrap.Modal>
+
+<BlazorBootstrap.Modal @ref="_consolidateModal" Title="Consolidate IDENTIFY DEVICE" Size="ModalSize.Small">
+    <BodyTemplate>
+        <div class="text-danger">Are you sure you want to consolidate the selected IDENTIFY DEVICE?</div>
+    </BodyTemplate>
+    <FooterTemplate>
+        <button class="btn btn-secondary" @onclick="HideConsolidateModal">Cancel</button>
+        <button class="btn btn-danger" @onclick="ConfirmConsolidate">Consolidate</button>
+    </FooterTemplate>
+</BlazorBootstrap.Modal>
\ No newline at end of file
diff --git a/Aaru.Server/Components/Admin/Pages/Ata/Compare.razor.cs b/Aaru.Server/Components/Admin/Pages/Ata/Compare.razor.cs
new file mode 100644
index 00000000..725d49b5
--- /dev/null
+++ b/Aaru.Server/Components/Admin/Pages/Ata/Compare.razor.cs
@@ -0,0 +1,257 @@
+using System.Reflection;
+using Aaru.CommonTypes.Structs.Devices.ATA;
+using Aaru.Server.Database.Models;
+using BlazorBootstrap;
+using Microsoft.AspNetCore.Components;
+using Microsoft.EntityFrameworkCore;
+using DbContext = Aaru.Server.Database.DbContext;
+
+namespace Aaru.Server.Components.Admin.Pages.Ata;
+
+public partial class Compare
+{
+    Modal?       _consolidateModal;
+    int          _deleteId;
+    Modal?       _deleteModal;
+    bool         _initialized;
+    int          _masterId;
+    int          _slaveId;
+    CompareModel Model;
+    [Parameter]
+    public int Id { get; set; }
+    [Parameter]
+    public int CompareId { get; set; }
+    [Inject]
+    private NavigationManager NavigationManager { get; set; } = default!;
+
+    protected override async Task OnInitializedAsync()
+    {
+        await base.OnInitializedAsync();
+
+        StateHasChanged();
+
+        await using DbContext ctx = await DbContextFactory.CreateDbContextAsync();
+
+        Model = new CompareModel
+        {
+            LeftId  = Id,
+            RightId = CompareId
+        };
+
+        CommonTypes.Metadata.Ata? left  = ctx.Ata.FirstOrDefault(l => l.Id == Id);
+        CommonTypes.Metadata.Ata? right = ctx.Ata.FirstOrDefault(r => r.Id == CompareId);
+
+        if(left is null)
+        {
+            Model.ErrorMessage = $"ATA with id {Id} has not been found";
+            Model.HasError     = true;
+            _initialized       = true;
+            StateHasChanged();
+
+            return;
+        }
+
+        if(right is null)
+        {
+            Model.ErrorMessage = $"ATA with id {CompareId} has not been found";
+            Model.HasError     = true;
+            _initialized       = true;
+            StateHasChanged();
+
+            return;
+        }
+
+        Identify.IdentifyDevice? leftNullable  = left.IdentifyDevice;
+        Identify.IdentifyDevice? rightNullable = right.IdentifyDevice;
+        Model.ValueNames  = [];
+        Model.LeftValues  = [];
+        Model.RightValues = [];
+
+        if(leftNullable is null && rightNullable is null)
+        {
+            Model.AreEqual = true;
+            _initialized   = true;
+            StateHasChanged();
+
+            return;
+        }
+
+        if(leftNullable != null && rightNullable is null)
+        {
+            Model.ValueNames.Add("Decoded");
+            Model.LeftValues.Add("decoded");
+            Model.RightValues.Add("null");
+            _initialized = true;
+            StateHasChanged();
+
+            return;
+        }
+
+        if(leftNullable == null)
+        {
+            Model.ValueNames.Add("Decoded");
+            Model.LeftValues.Add("null");
+            Model.RightValues.Add("decoded");
+            _initialized = true;
+            StateHasChanged();
+
+            return;
+        }
+
+        var leftValue  = (Identify.IdentifyDevice)left.IdentifyDevice!;
+        var rightValue = (Identify.IdentifyDevice)right.IdentifyDevice!;
+
+        foreach(FieldInfo fieldInfo in leftValue.GetType().GetFields())
+        {
+            object? lv = fieldInfo.GetValue(leftValue);
+            object? rv = fieldInfo.GetValue(rightValue);
+
+            if(fieldInfo.FieldType.IsArray)
+            {
+                var la = lv as Array;
+                var ra = rv as Array;
+
+                switch(la)
+                {
+                    case null when ra is null:
+                        continue;
+                    case null:
+                        Model.ValueNames.Add(fieldInfo.Name);
+                        Model.LeftValues.Add("null");
+                        Model.RightValues.Add("[]");
+
+                        continue;
+                }
+
+                if(ra is null)
+                {
+                    Model.ValueNames.Add(fieldInfo.Name);
+                    Model.LeftValues.Add("[]");
+                    Model.RightValues.Add("null");
+
+                    continue;
+                }
+
+                var ll = la.Cast<object>().ToList();
+                var rl = ra.Cast<object>().ToList();
+
+                for(int i = 0; i < ll.Count; i++)
+                {
+                    if(ll[i].Equals(rl[i])) continue;
+
+                    Model.ValueNames.Add(fieldInfo.Name);
+                    Model.LeftValues.Add("[]");
+                    Model.RightValues.Add("[]");
+
+                    break;
+                }
+            }
+            else if(lv == null && rv == null) {}
+            else if(lv != null && rv == null)
+            {
+                Model.ValueNames.Add(fieldInfo.Name);
+                Model.LeftValues.Add($"{lv}");
+                Model.RightValues.Add("null");
+            }
+            else if(lv == null)
+            {
+                Model.ValueNames.Add(fieldInfo.Name);
+                Model.LeftValues.Add("null");
+                Model.RightValues.Add($"{rv}");
+            }
+            else if(!lv.Equals(rv))
+
+            {
+                Model.ValueNames.Add(fieldInfo.Name);
+                Model.LeftValues.Add($"{lv}");
+                Model.RightValues.Add($"{rv}");
+            }
+        }
+
+        Model.AreEqual = Model.LeftValues.Count == 0 && Model.RightValues.Count == 0;
+        _initialized   = true;
+
+        StateHasChanged();
+    }
+
+    private async Task ShowDeleteModal(int id)
+    {
+        _deleteId = id;
+        if(_deleteModal != null) await _deleteModal.ShowAsync();
+    }
+
+    private async Task HideDeleteModal()
+    {
+        if(_deleteModal != null) await _deleteModal.HideAsync();
+    }
+
+    private async Task ConfirmDelete()
+    {
+        await DeleteAsync(_deleteId);
+        await HideDeleteModal();
+        NavigationManager.NavigateTo("/admin/scsi");
+    }
+
+    private async Task DeleteAsync(int id)
+    {
+        await using DbContext      ctx  = await DbContextFactory.CreateDbContextAsync();
+        CommonTypes.Metadata.Scsi? scsi = await ctx.Scsi.FindAsync(id);
+
+        if(scsi is not null)
+        {
+            ctx.Scsi.Remove(scsi);
+            await ctx.SaveChangesAsync();
+        }
+    }
+
+    private async Task ShowConsolidateModal(int masterId, int slaveId)
+    {
+        _masterId = masterId;
+        _slaveId  = slaveId;
+        if(_consolidateModal != null) await _consolidateModal.ShowAsync();
+    }
+
+    private async Task HideConsolidateModal()
+    {
+        if(_consolidateModal != null) await _consolidateModal.HideAsync();
+    }
+
+    private async Task ConfirmConsolidate()
+    {
+        await ConsolidateAsync(_masterId, _slaveId);
+        await HideConsolidateModal();
+        NavigationManager.NavigateTo($"/admin/scsi/{_masterId}");
+    }
+
+    private async Task ConsolidateAsync(int masterId, int slaveId)
+    {
+        await using DbContext ctx = await DbContextFactory.CreateDbContextAsync();
+
+        CommonTypes.Metadata.Scsi? master = ctx.Scsi.Include(static scsi => scsi.ReadCapabilities)
+                                               .FirstOrDefault(m => m.Id == masterId);
+
+        if(master is null) return;
+
+        CommonTypes.Metadata.Scsi? slave = ctx.Scsi.Include(static scsi => scsi.ReadCapabilities)
+                                              .FirstOrDefault(m => m.Id == slaveId);
+
+        if(slave is null) return;
+
+        foreach(Device scsiDevice in ctx.Devices.Where(d => d.SCSI.Id == slaveId)) scsiDevice.SCSI = master;
+
+        foreach(UploadedReport scsiReport in ctx.Reports.Where(d => d.SCSI.Id == slaveId)) scsiReport.SCSI = master;
+
+        foreach(CommonTypes.Metadata.TestedMedia testedMedia in ctx.TestedMedia.Where(d => d.ScsiId == slaveId))
+        {
+            testedMedia.ScsiId = masterId;
+            ctx.Update(testedMedia);
+        }
+
+        if(master.ReadCapabilities is null && slave.ReadCapabilities != null)
+            master.ReadCapabilities = slave.ReadCapabilities;
+
+        ctx.Scsi.Remove(slave);
+
+        await ctx.SaveChangesAsync();
+    }
+}
\ No newline at end of file