diff --git a/cmd/frostfs-node/config/cast_test.go b/cmd/frostfs-node/config/cast_test.go
index ef48bdc5b..f8c1ee28e 100644
--- a/cmd/frostfs-node/config/cast_test.go
+++ b/cmd/frostfs-node/config/cast_test.go
@@ -125,10 +125,15 @@ func TestSizeInBytes(t *testing.T) {
 	)
 	configtest.ForEachFileType("test/config", func(c *config.Config) {
 		c = c.Sub("sizes")
+		require.EqualValues(t, 1, config.SizeInBytesSafe(c, "size_b"))
+		require.EqualValues(t, kb, config.SizeInBytesSafe(c, "size_k"))
 		require.EqualValues(t, kb, config.SizeInBytesSafe(c, "size_kb"))
 		require.EqualValues(t, 2*kb, config.SizeInBytesSafe(c, "size_kb_no_space"))
+		require.EqualValues(t, 12*mb, config.SizeInBytesSafe(c, "size_m"))
 		require.EqualValues(t, 12*mb, config.SizeInBytesSafe(c, "size_mb"))
+		require.EqualValues(t, 4*gb, config.SizeInBytesSafe(c, "size_g"))
 		require.EqualValues(t, 4*gb, config.SizeInBytesSafe(c, "size_gb"))
+		require.EqualValues(t, 5*tb, config.SizeInBytesSafe(c, "size_t"))
 		require.EqualValues(t, 5*tb, config.SizeInBytesSafe(c, "size_tb"))
 		require.EqualValues(t, 12, config.SizeInBytesSafe(c, "size_i_am_not_very_clever"))
 		require.EqualValues(t, tb/2, config.SizeInBytesSafe(c, "size_float"))
diff --git a/cmd/frostfs-node/config/test/config.json b/cmd/frostfs-node/config/test/config.json
index 45635c7ab..7eec1b73e 100644
--- a/cmd/frostfs-node/config/test/config.json
+++ b/cmd/frostfs-node/config/test/config.json
@@ -49,10 +49,15 @@
   },
 
   "sizes": {
+    "size_b": "1b",
+    "size_k": "1 k",
     "size_kb": "1 kb",
     "size_kb_no_space": "2kb",
-    "size_mb": "12m",
-    "size_gb": "4g",
+    "size_m": "12m",
+    "size_mb": "12mb",
+    "size_g": "4g",
+    "size_gb": "4gb",
+    "size_t": "5 T",
     "size_tb": "5 TB",
     "size_float": ".5t",
     "size_float_big": "14.123 gb",
diff --git a/cmd/frostfs-node/config/test/config.yaml b/cmd/frostfs-node/config/test/config.yaml
index 102c045a1..3ae459ea2 100644
--- a/cmd/frostfs-node/config/test/config.yaml
+++ b/cmd/frostfs-node/config/test/config.yaml
@@ -42,10 +42,15 @@ bool:
   incorrect: not true
 
 sizes:
+  size_b: 1b
+  size_k: 1 k
   size_kb: 1 kb
   size_kb_no_space: 2kb
-  size_mb: 12m
-  size_gb: 4g
+  size_m: 12m
+  size_mb: 12mb
+  size_g: 4g
+  size_gb: 4gb
+  size_t: 5 T
   size_tb: 5 TB
   size_float: .5t
   size_float_big: 14.123 gb