diff --git a/Aaru.Tests/Devices/SecureDigital/SCR.cs b/Aaru.Tests/Devices/SecureDigital/SCR.cs
new file mode 100644
index 000000000..0daff7c74
--- /dev/null
+++ b/Aaru.Tests/Devices/SecureDigital/SCR.cs
@@ -0,0 +1,161 @@
+using Aaru.Helpers;
+using NUnit.Framework;
+
+// ReSharper disable InconsistentNaming
+
+namespace Aaru.Tests.Devices.SecureDigital
+{
+    [TestFixture]
+    public class SCR
+    {
+        readonly string[] cards =
+        {
+            "microsdhc_goodram_16gb", "microsdhc_kingston_4gb", "microsdhc_kingston_8gb", "microsdhc_kodak_2gb",
+            "microsdhc_nobrand_2gb", "microsdhc_sandisk_16gb", "microsdhc_sandisk_32gb", "microsdhc_trascend_2gb",
+            "sd_adata_4gb", "sdhc_fujifilm_4gb", "sdhc_kodak_4gb", "sdhc_pny_4gb", "sdhc_puntitos_4gb", "sd_pqi_64mb"
+        };
+
+        readonly string[] scrs =
+        {
+            "0205808301000000", "02b500001c022102", "0235800001000000", "02a5000000000000", "02a500001c021402",
+            "0235800100000000", "0235804300000000", "0225800000000000", "0125000000000000", "0235800001000000",
+            "0235000000000000", "0235000000000000", "02b5800000000000", "00a5000008070302"
+        };
+
+        readonly byte[] structure_version =
+        {
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+        };
+
+        readonly byte[] specification_version =
+        {
+            2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 0
+        };
+
+        readonly bool[] data_stat_after_erase =
+        {
+            false, true, false, true, true, false, false, false, false, false, false, false, true, true
+        };
+
+        readonly byte[] sd_security =
+        {
+            0, 3, 3, 2, 2, 3, 3, 2, 2, 3, 3, 3, 3, 2
+        };
+
+        readonly byte[] sd_bus_widths =
+        {
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
+        };
+
+        readonly bool[] sd_spec3 =
+        {
+            true, false, true, false, false, true, true, true, false, true, false, false, true, false
+        };
+
+        readonly byte[] ex_security =
+        {
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+        };
+
+        readonly bool[] sd_spec4 =
+        {
+            false, false, false, false, false, false, false, false, false, false, false, false, false, false
+        };
+
+        readonly byte[] sd_specx =
+        {
+            2, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0
+        };
+
+        readonly byte[] cmd_support =
+        {
+            3, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 0, 0
+        };
+
+        readonly byte[][] mfg =
+        {
+            new byte[]
+            {
+                0x01, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x1c, 0x02, 0x21, 0x02
+            },
+            new byte[]
+            {
+                0x01, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x00, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x1c, 0x02, 0x14, 0x02
+            },
+            new byte[]
+            {
+                0x00, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x00, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x00, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x00, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x01, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x00, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x00, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x00, 0x00, 0x00, 0x00
+            },
+            new byte[]
+            {
+                0x08, 0x07, 0x03, 0x02
+            }
+        };
+
+        [Test]
+        public void Test()
+        {
+            for(int i = 0; i < cards.Length; i++)
+            {
+                int count = Marshal.ConvertFromHexAscii(scrs[i], out byte[] response);
+                Assert.AreEqual(8, count, $"Size - {cards[i]}");
+                Decoders.SecureDigital.SCR scr = Decoders.SecureDigital.Decoders.DecodeSCR(response);
+                Assert.IsNotNull(scr, $"Decoded - {cards[i]}");
+                Assert.AreEqual(structure_version[i], scr.Structure, $"Version - {cards[i]}");
+                Assert.AreEqual(specification_version[i], scr.Spec, $"Specification version - {cards[i]}");
+
+                Assert.AreEqual(data_stat_after_erase[i], scr.DataStatusAfterErase,
+                                $"Data stat after erase - {cards[i]}");
+
+                Assert.AreEqual(sd_security[i], scr.Security, $"Security - {cards[i]}");
+                Assert.AreEqual(sd_bus_widths[i], scr.BusWidth, $"Bus widths - {cards[i]}");
+                Assert.AreEqual(sd_spec3[i], scr.Spec3, $"Spec 3 - {cards[i]}");
+                Assert.AreEqual(ex_security[i], scr.ExtendedSecurity, $"Extended security - {cards[i]}");
+                Assert.AreEqual(sd_spec4[i], scr.Spec4, $"Spec 4 - {cards[i]}");
+                Assert.AreEqual(sd_specx[i], scr.SpecX, $"Spec X - {cards[i]}");
+                Assert.AreEqual(cmd_support[i], scr.CommandSupport, $"Command support - {cards[i]}");
+                Assert.AreEqual(mfg[i], scr.ManufacturerReserved, $"Manufacturer reserved - {cards[i]}");
+            }
+        }
+    }
+}
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