diff --git a/src/Decentralized.Domain/Dealer.cs b/src/Decentralized.Domain/Dealer.cs
index e64d4cb..2074e28 100644
--- a/src/Decentralized.Domain/Dealer.cs
+++ b/src/Decentralized.Domain/Dealer.cs
@@ -9,9 +9,9 @@ namespace Decentralized.Domain
     {
         public const string Rig = "RIG";
 
-        public static readonly string[] Basic = { "RZX50", "RZX60", "RZ470", "RZ580" };
-        public static readonly string[] Advanced = { "RZX70", "RZX80Ti", "RZ6800" };
-        public static readonly string[] Flagship = { "RZX90", "RZ7900" };
+        public static readonly string[] Basic = { "RZX60", "RZ70" };
+        public static readonly string[] Advanced = { "RZX70", "RZ80", "RZX80", "RZ800" };
+        public static readonly string[] Flagship = { "RZX90", "RZ900" };
 
         public const int AdvancedFromDay = 10, FlagshipFromDay = 30, SpecialFlagshipFromDay = 20;
         public const double RigRestockChance = 0.30, AdvancedChance = 0.60, AdvancedSecondChance = 0.30, FlagshipChance = 0.25;
diff --git a/src/Decentralized.Domain/Mining.cs b/src/Decentralized.Domain/Mining.cs
index 9b82b86..8ce749b 100644
--- a/src/Decentralized.Domain/Mining.cs
+++ b/src/Decentralized.Domain/Mining.cs
@@ -13,6 +13,8 @@ namespace Decentralized.Domain
         public double Kj;
         public int Price;
         /// <summary>暴毙概率的品牌系数。</summary>
+        /// <summary>档次：0 低端、1 中端、2 高端、3 旗舰（显卡）。实物特征（供电口、风扇数）只看档次。</summary>
+        public int Tier;
         public double DeathFactor;
         /// <summary>每天损耗的系数。</summary>
         public double WearFactor;
@@ -25,20 +27,25 @@ namespace Decentralized.Domain
 
     public static class Hardware
     {
+        /// <summary>各档次的实物特征：供电口针数（旗舰是两个 8 针）与风扇数量。</summary>
+        public static readonly string[] PowerPins = { "6", "8", "8", "8+8" };
+        public static readonly int[] FanCount = { 1, 2, 3, 3 };
+
         public const string Probidia = "Probidia", Pmd = "PMD", RatDigg = "RatDigg";
 
         public static readonly IReadOnlyDictionary<string, HardwareSpec> Specs = new[]
         {
-            Gpu("RZX50", Probidia, 1.0, 4, 220), Gpu("RZX60", Probidia, 1.5, 5, 330), Gpu("RZX70", Probidia, 5.0, 12, 800),
-            Gpu("RZX80Ti", Probidia, 8.0, 18, 1300), Gpu("RZX90", Probidia, 20.0, 30, 5000),
-            Gpu("RZ470", Pmd, 0.8, 2.5, 170), Gpu("RZ580", Pmd, 1.2, 3, 250), Gpu("RZ6800", Pmd, 4.0, 8, 680),
-            Gpu("RZ7900", Pmd, 15.0, 20, 4000),
+            // 四个档次（低端、中端、高端、旗舰），两个牌子通用：型号只是显示名，性能和价格由「牌子 + 档次」决定
+            Gpu("RZX60", Probidia, 0, 1.0, 4, 220), Gpu("RZX70", Probidia, 1, 5.0, 12, 800),
+            Gpu("RZX80", Probidia, 2, 8.0, 18, 1300), Gpu("RZX90", Probidia, 3, 20.0, 30, 5000),
+            Gpu("RZ70", Pmd, 0, 0.8, 2.5, 170), Gpu("RZ80", Pmd, 1, 4.0, 8, 680),
+            Gpu("RZ800", Pmd, 2, 8.0, 12, 1500), Gpu("RZ900", Pmd, 3, 15.0, 20, 4000),
             Asic("M1", 50, 60, 11000), Asic("M2", 120, 110, 27000), Asic("M3", 300, 220, 72000),
         }.ToDictionary(s => s.Model);
 
-        private static HardwareSpec Gpu(string model, string brand, double h, double kj, int price) => new HardwareSpec
+        private static HardwareSpec Gpu(string model, string brand, int tier, double h, double kj, int price) => new HardwareSpec
         {
-            Model = model, Brand = brand, Hash = h, Kj = kj, Price = price,
+            Model = model, Brand = brand, Tier = tier, Hash = h, Kj = kj, Price = price,
             DeathFactor = brand == Probidia ? 0.7 : 1.0, WearFactor = brand == Probidia ? 1.0 : 1.2,
         };
 
diff --git a/src/Decentralized/DealerStock.cs b/src/Decentralized/DealerStock.cs
index dbd62cc..8a2f3a2 100644
--- a/src/Decentralized/DealerStock.cs
+++ b/src/Decentralized/DealerStock.cs
@@ -19,10 +19,10 @@ namespace Decentralized
             ModHelper.AddDebugFunction(ModInfo.Id, ModInfo.Name, "Used cards x4 (test)", () =>
             {
                 var rng = Session.Data.Rng;
-                Items.Give(Items.NewCard("RZX80Ti", 40, null, rng));
-                Items.Give(Items.NewCard("RZX80Ti", 70, "RZX60", rng));
-                Items.Give(Items.NewCard("RZ6800", 30, "RZ580", rng));
-                Items.Give(Items.NewCard("RZ7900", 90, "RZ470", rng));
+                Items.Give(Items.NewCard("RZX80", 40, null, rng));
+                Items.Give(Items.NewCard("RZX80", 70, "RZX60", rng));
+                Items.Give(Items.NewCard("RZ800", 30, "RZ70", rng));
+                Items.Give(Items.NewCard("RZ900", 90, "RZ70", rng));
             });
             ModHelper.AddDebugFunction(ModInfo.Id, ModInfo.Name, "Dump inspection UI (test)", () => Log.Guard("检视界面结构", () =>
             {
diff --git a/src/Decentralized/Items.cs b/src/Decentralized/Items.cs
index 9325f9d..e4762d7 100644
--- a/src/Decentralized/Items.cs
+++ b/src/Decentralized/Items.cs
@@ -63,7 +63,7 @@ namespace Decentralized
 
         // ---------- 显卡 ----------
 
-        /// <summary>RZX70 → "RZX 70"，RZX80Ti → "RZX 80 Ti"，RZ6800 → "RZ 6800"。</summary>
+        /// <summary>RZX70 → "RZX 70"，RZ800 → "RZ 800"。</summary>
         public static string DisplayModel(string model) => Regex.Replace(Regex.Replace(model, @"(?<=[A-Za-z])(?=\d)", " "), @"(?<=\d)(?=[A-Z])", " ");
 
         private static GameItem CreateGpu(HardwareSpec spec)
diff --git a/src/Decentralized/Unlock.cs b/src/Decentralized/Unlock.cs
index 2a134f4..09c63a1 100644
--- a/src/Decentralized/Unlock.cs
+++ b/src/Decentralized/Unlock.cs
@@ -32,7 +32,7 @@ namespace Decentralized
         {
             Items.Give(ModHelper.SpawnItem(Items.Terminal));
             Items.Give(ModHelper.SpawnItem(Items.Rig));
-            Items.Give(ModHelper.SpawnItem(Items.GpuId("RZX50")));
+            Items.Give(ModHelper.SpawnItem(Items.GpuId("RZX60")));
             Log.Info("已加入 Web3 治理社区");
         }
     }
diff --git a/src/Decentralized/UsedDealerClient.cs b/src/Decentralized/UsedDealerClient.cs
index c729285..a54bedc 100644
--- a/src/Decentralized/UsedDealerClient.cs
+++ b/src/Decentralized/UsedDealerClient.cs
@@ -18,7 +18,7 @@ namespace Decentralized
         public static void Subscribe()
         {
             ModHook.OnGenerateCustomerNormal += OnGenerate;
-            ModHelper.AddAppraisalItem(ModInfo.Id, Appraisal, Items.GpuId("RZX50"), 2, CreateForAppraisal, u => (int)CardValue.True(Items.ToUnit(u)),
+            ModHelper.AddAppraisalItem(ModInfo.Id, Appraisal, Items.GpuId("RZX60"), 2, CreateForAppraisal, u => (int)CardValue.True(Items.ToUnit(u)),
                 Items.IsGpu, null, () => L.T("appraisal.gpu"));
             ModHelper.AddDebugFunction(ModInfo.Id, ModInfo.Name, "Appraisal client (test)", () => Log.Guard("鉴定客户（测试）", () =>
             {
diff --git a/tests/Decentralized.Domain.Tests/Program.cs b/tests/Decentralized.Domain.Tests/Program.cs
index 1898bef..d5d0039 100644
--- a/tests/Decentralized.Domain.Tests/Program.cs
+++ b/tests/Decentralized.Domain.Tests/Program.cs
@@ -112,7 +112,7 @@ internal static class Program
 
         Test("显卡：型号、显示单位、健康度与算力衰减", () =>
         {
-            Check(Hardware.Specs["RZX70"].DisplayHash == 50 && Hardware.Specs["RZ6800"].DisplayHash == 40, "RZX70 50 MH/s，RZ6800 40 MH/s");
+            Check(Hardware.Specs["RZX70"].DisplayHash == 50 && Hardware.Specs["RZ80"].DisplayHash == 40, "RZX70 50 MH/s，RZ80 40 MH/s");
             Check(Near(Hardware.Specs["M3"].DisplayHash, 3, 1e-9), "RatDigg M3 3 GH/s");
             var u = new Unit { Model = "RZX70" };
             Check(u.Hash(ModuleBonus.None) == 5, "满健康 5 H");
@@ -122,7 +122,7 @@ internal static class Program
             Check(Near(u.Hash(ModuleBonus.None), 3.0, 1e-9), "健康 0：60%");
             Check(Near(new Unit { Model = "RZX70" }.Hash(ModuleBonus.From(36, -44, 0)), 5 * 1.09, 1e-9), "一个超频模块（+36 性能）：算力 +9%");
             var fake = new Unit { Model = "RZX90", FakeOf = "RZX60" };
-            Check(fake.Hash(ModuleBonus.None) == 1.5 && fake.Label.Model == "RZX90", "假卡标着 RZX90，算力按 RZX60");
+            Check(fake.Hash(ModuleBonus.None) == 1.0 && fake.Label.Model == "RZX90", "假卡标着 RZX90，算力按 RZX60");
             Check(Near(fake.DeathChance(ModuleBonus.None), new Unit { Model = "RZX90" }.DeathChance(ModuleBonus.None) * 2, 1e-12), "假卡暴毙率 ×2");
             var r = new Unit { Model = "RZX70", Health = 50 };
             Check(r.Refurbish() && r.Health == 80 && !r.Refurbish(), "翻新一次 +30，不能再翻新");
@@ -152,7 +152,7 @@ internal static class Program
             Check(Near(fakeSigns / (double)n, 1.65, 0.12), $"假卡平均 1.65 处破绽：{fakeSigns / (double)n:0.00}");
             Check(oldWorn > newWorn * 1.8, $"低健康度的真卡明显更旧：{oldWorn / (double)n:P0} 对 {newWorn / (double)n:P0}");
             Check(seen.Count >= 120, $"抽样见到 {seen.Count} 种不同组合（上限 243）");
-            Check(Hardware.Specs["RZX50"].Price == 220 && Hardware.Specs["RZX90"].Price == 5000 && Hardware.Specs["RZ7900"].Price == 4000, "价格已抬高到约 1.8 倍");
+            Check(Hardware.Specs["RZX60"].Price == 220 && Hardware.Specs["RZX90"].Price == 5000 && Hardware.Specs["RZ900"].Price == 4000, "价格已抬高到约 1.8 倍");
             var u = new Unit { Model = "RZX90", FakeOf = "RZX60", Health = 80 };
             Check(CardValue.True(u) == CardValue.Of("RZX60", 80) && CardValue.Quoted(u, 80) == CardValue.Of("RZX90", 80), "真实价值按芯片型号，标称价按标称型号");
             Check(CardValue.Quoted(u, 80) > CardValue.True(u) * 8, $"假 RZX 90 的标称价 {CardValue.Quoted(u, 80)} 远高于真值 {CardValue.True(u)}");
@@ -218,7 +218,7 @@ internal static class Program
             var p = Run("RZX70", ModuleBonus.None, 20000);
             Check(Near(p[0], 0.11, 0.02) && Near(p[1], 0.53, 0.02) && Near(p[2], 0.84, 0.02),
                 $"Probidia 11% / 53% / 84%：{p[0]:P0} / {p[1]:P0} / {p[2]:P0}");
-            var q = Run("RZ6800", ModuleBonus.None, 20000);
+            var q = Run("RZ80", ModuleBonus.None, 20000);
             Check(Near(q[0], 0.20, 0.02) && Near(q[1], 0.76, 0.02) && Near(q[2], 0.95, 0.02),
                 $"PMD 20% / 76% / 95%：{q[0]:P0} / {q[1]:P0} / {q[2]:P0}");
         });
@@ -358,11 +358,11 @@ internal static class Program
             Check(fakes > cards * 0.2 && fakes < cards * 0.5, $"骗子的假卡占两成多（入门卡便宜到没法冒充）：{fakes}/{cards}");
             Check(UsedDealers.Pool(5).All(m => Dealer.Basic.Contains(m)) && UsedDealers.Pool(30).Contains("RZX90"), "型号按天数放开");
             // 标签：假 RZX 70（芯片 RZX 50）、健康 60、风扇缺角、金手指氧化、丝印印着真实型号
-            var u = new Unit { Model = "RZX70", FakeOf = "RZX50", Health = 60, Look = new CardLook { Fan = 2, Fingers = 2, Print = 1 } };
+            var u = new Unit { Model = "RZX70", FakeOf = "RZX60", Health = 60, Look = new CardLook { Fan = 2, Fingers = 2, Print = 1 } };
             var claim = CardLabels.DealerClaim(u, DealerKind.Scammer, new Rng(3));
             Check(claim.Model == "RZX70" && claim.Fan == 0 && claim.Fingers == 0 && claim.Print == 0, "骗子的说法：标称型号，外观全是没问题");
             long hidden = CardLabels.Value(u, claim, 0), real = CardValue.True(u);
-            Check(hidden == CardValue.Of("RZX70", 60) && real == (long)Math.Round(CardValue.Of("RZX50", 60) * 0.76), "没指出时按说法算（标称型号满价），真实价值按芯片和外观算");
+            Check(hidden == CardValue.Of("RZX70", 60) && real == (long)Math.Round(CardValue.Of("RZX60", 60) * 0.76), "没指出时按说法算（标称型号满价），真实价值按芯片和外观算");
             int ex = 0;
             Check(CardLabels.Point(u, claim, CardLabels.RowFan, ref ex) == 1 && CardLabels.Value(u, claim, ex) == (long)Math.Round(CardValue.Of("RZX70", 60) * 0.88), "指出风扇缺角：扣 12%");
             Check(CardLabels.Point(u, claim, CardLabels.RowPrint, ref ex) == 2 && (ex & CardLabels.RowSpec) != 0, "指出丝印印着真实型号：拆穿假货，型号标签一并拆穿");