diff --git a/smartmontools/ChangeLog b/smartmontools/ChangeLog
index fd6a9f7d6dd9b55fb2328e99680f8ac56521c90e..e32bc2bcaf5fb7b64da1c1818ab099fd72051cd8 100644
--- a/smartmontools/ChangeLog
+++ b/smartmontools/ChangeLog
@@ -1,5 +1,12 @@
 $Id$
 
+2022-04-26  Gabriele Pohl  <contact@dipohl.de>
+
+	drivedb.h:
+	- Samsung based SSDs: SAMSUNG MZ7L33T8HBLT-00A07 (#1563)
+	- Samsung based SSDs: SAMSUNG MZ7L3240HCHQ-00A07 (#1555)
+	- WD Blue / Red / Green SSDs: WDC  WDS400T1R0A-68A4W0 (#1601)
+
 2022-04-25  Gabriele Pohl  <contact@dipohl.de>
 
 	drivedb.h:
diff --git a/smartmontools/drivedb.h b/smartmontools/drivedb.h
index d2854af0a517bd0068181a25abaf12194d4ec846..b30197830ddbc7722f92b55273a769d1df428f36 100644
--- a/smartmontools/drivedb.h
+++ b/smartmontools/drivedb.h
@@ -1898,6 +1898,8 @@ const drive_settings builtin_knowndrives[] = {
       // SAMSUNG MZ7KM480HAHP-0E005/GXM1003Q, SAMSUNG MZ7KM480HMHQ-00005/GXM5104Q,
       // SAMSUNG MZ7KM960HMJP-00005/GXM5304Q, MZ7KM960HMJP0D3/GD53 (Dell)
     "SAMSUNG MZ7LH(240|480|960|1T9|3T8|7T6)H[AM](HQ|JR|LT|LA)-.*|" //PM883, tested with SAMSUNG MZ7LH960HAJR-00005
+    "SAMSUNG MZ7L(3240|33T8)H(BLT|CHQ)-.*|" //PM893, tested with SAMSUNG MZ7L33T8HBLT-00A07/JXTC104Q
+      // SAMSUNG MZ7L3240HCHQ-00A07/JXTC104Q
     "SAMSUNG MZ7KH(240|480|960|1T9|3T8)HA(HQ|JR|LS)-.*|" //SM883
     "SAMSUNG MZ[7N](LF|TY)(128|192|256)H[CD](GS|HP)-.*|" // CM871/871a, tested with SAMSUNG MZNLF128HCHP-000H1/FXT21H1Q,
       // SAMSUNG MZNTY256HDHP-000/MAT21K0Q, SAMSUNG MZ7LF192HCGS-000L1/FXT03L1Q
@@ -1934,26 +1936,27 @@ const drive_settings builtin_knowndrives[] = {
   //"-v 194,tempminmax,Temperature_Celsius "
     "-v 195,raw48,ECC_Error_Rate "
   //"-v 196,raw16(raw16),Reallocated_Event_Count "
+  //"-v 197,raw48,Current_Pending_Sector " // PM893
   //"-v 198,raw48,Offline_Uncorrectable "
     "-v 199,raw48,CRC_Error_Count "
     "-v 201,raw48,Supercap_Status "
-    "-v 202,raw48,Exception_Mode_Status "
+    "-v 202,raw48,Exception_Mode_Status " // PM893
   //"-v 233,raw48,Media_Wearout_Indicator " // PM851, 840
     "-v 234,raw48,Unknown_Samsung_Attr " // PM851, 840
-    "-v 235,raw48,POR_Recovery_Count " // PM851, 830/840/850
+    "-v 235,raw48,POR_Recovery_Count " // PM851, 830/840/850, PM893
     "-v 236,raw48,Unknown_Samsung_Attr " // PM851, 840
     "-v 237,raw48,Unknown_Samsung_Attr " // PM851, 840
     "-v 238,raw48,Unknown_Samsung_Attr " // PM851, 840
   //"-v 241,raw48,Total_LBAs_Written "
   //"-v 242,raw48,Total_LBAs_Read " // PM851, SM841N
-    "-v 243,raw48,SATA_Downshift_Ct " // PM863
-    "-v 244,raw48,Thermal_Throttle_St " // PM863
-    "-v 245,raw48,Timed_Workld_Media_Wear " // PM863
-    "-v 246,raw48,Timed_Workld_RdWr_Ratio " // PM863
-    "-v 247,raw48,Timed_Workld_Timer " // PM863
+    "-v 243,raw48,SATA_Downshift_Ct " // PM863, PM893
+    "-v 244,raw48,Thermal_Throttle_St " // PM863, PM893
+    "-v 245,raw48,Timed_Workld_Media_Wear " // PM863, PM893
+    "-v 246,raw48,Timed_Workld_RdWr_Ratio " // PM863, PM893
+    "-v 247,raw48,Timed_Workld_Timer " // PM863, PM893
     "-v 249,raw48,NAND_Writes_1GiB " // CM871a, PM871
     "-v 250,raw48,SATA_Iface_Downshift " // from the spec
-    "-v 251,raw48,NAND_Writes" // PM863
+    "-v 251,raw48,NAND_Writes" // PM863, PM893
   },
   { "Marvell based SanDisk SSDs",
     "SanDisk SD5SG2[0-9]*G1052E|" // X100 (88SS9174), tested with SanDisk SD5SG2256G1052E/10.04.01
@@ -4605,9 +4608,9 @@ const drive_settings builtin_knowndrives[] = {
       // WDC WDS200T2B0A/X61190WD, WDC WDS120G1G0A-00SS50/Z3311000
       // WDC  WDS500G2B0A-00SM50/401000WD,
       // WDC WDBNCE2500PNC/X61130WD, WDC WDBNCE0010PNC-WRSN/X41110WD,
-      // WDC  WDS200T1R0A-68A4W0/411000WR
+      // WDC  WDS200T1R0A-68A4W0/411000WR, WDC  WDS400T1R0A-68A4W0/411000WR
     "WDC WDBNCE(250|500|00[124])0PNC(-.*)?|" // Blue 3D
-    "WDC  ?WDS((120|240|250|480|500)G|[12]00T)(1B|2B|1G|2G|1R)0[AB](-.*)?",
+    "WDC  ?WDS((120|240|250|480|500)G|[124]00T)(1B|2B|1G|2G|1R)0[AB](-.*)?",
       // *B* = Blue, *G* = Green, *2B* = Blue 3D NAND, *1R* = Red SA500
     "", "",
   //"-v 5,raw16(raw16),Reallocated_Sector_Ct " // Reassigned Block Count