diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_partial.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_partial.ksh
index bdbf3db53336..9342cbe880ae 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_partial.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_partial.ksh
@@ -60,7 +60,7 @@ log_must set_tunable64 VDEV_MIN_MS_COUNT 64
 
 # Minimum trim size is decreased to verify all trim sizes.
 typeset trim_extent_bytes_min=$(get_tunable TRIM_EXTENT_BYTES_MIN)
-log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 4096
+log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 512
 
 log_must mkdir "$TESTDIR"
 log_must truncate -s $LARGESIZE "$LARGEFILE"
diff --git a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_trimmed.ksh b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_trimmed.ksh
index d5aaf49aebc5..41d1decd13ce 100755
--- a/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_trimmed.ksh
+++ b/tests/zfs-tests/tests/functional/cli_root/zpool_trim/zpool_trim_verify_trimmed.ksh
@@ -52,7 +52,7 @@ LARGEFILE="$TESTDIR/largefile"
 
 # Reduce trim size to allow for tighter tolerance below when checking.
 typeset trim_extent_bytes_min=$(get_tunable TRIM_EXTENT_BYTES_MIN)
-log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 4096
+log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 512
 
 log_must mkdir "$TESTDIR"
 log_must truncate -s $LARGESIZE "$LARGEFILE"
diff --git a/tests/zfs-tests/tests/functional/trim/autotrim_config.ksh b/tests/zfs-tests/tests/functional/trim/autotrim_config.ksh
index c97772585737..4dba4616e947 100755
--- a/tests/zfs-tests/tests/functional/trim/autotrim_config.ksh
+++ b/tests/zfs-tests/tests/functional/trim/autotrim_config.ksh
@@ -57,7 +57,7 @@ log_onexit cleanup
 
 # Minimum trim size is decreased to verify all trim sizes.
 typeset trim_extent_bytes_min=$(get_tunable TRIM_EXTENT_BYTES_MIN)
-log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 4096
+log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 512
 
 # Reduced TRIM_TXG_BATCH to make trimming more frequent.
 typeset trim_txg_batch=$(get_tunable TRIM_TXG_BATCH)
diff --git a/tests/zfs-tests/tests/functional/trim/autotrim_integrity.ksh b/tests/zfs-tests/tests/functional/trim/autotrim_integrity.ksh
index e25390339b6c..e139809105df 100755
--- a/tests/zfs-tests/tests/functional/trim/autotrim_integrity.ksh
+++ b/tests/zfs-tests/tests/functional/trim/autotrim_integrity.ksh
@@ -54,7 +54,7 @@ log_onexit cleanup
 
 # Minimum trim size is decreased to verify all trim sizes.
 typeset trim_extent_bytes_min=$(get_tunable TRIM_EXTENT_BYTES_MIN)
-log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 4096
+log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 512
 
 # Reduced TRIM_TXG_BATCH to make trimming more frequent.
 typeset trim_txg_batch=$(get_tunable TRIM_TXG_BATCH)
diff --git a/tests/zfs-tests/tests/functional/trim/autotrim_trim_integrity.ksh b/tests/zfs-tests/tests/functional/trim/autotrim_trim_integrity.ksh
index ae7ad8d73dd8..53de485b1a8e 100755
--- a/tests/zfs-tests/tests/functional/trim/autotrim_trim_integrity.ksh
+++ b/tests/zfs-tests/tests/functional/trim/autotrim_trim_integrity.ksh
@@ -55,7 +55,7 @@ log_onexit cleanup
 
 # Minimum trim size is decreased to verify all trim sizes.
 typeset trim_extent_bytes_min=$(get_tunable TRIM_EXTENT_BYTES_MIN)
-log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 4096
+log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 512
 
 # Reduced TRIM_TXG_BATCH to make trimming more frequent.
 typeset trim_txg_batch=$(get_tunable TRIM_TXG_BATCH)
diff --git a/tests/zfs-tests/tests/functional/trim/trim_config.ksh b/tests/zfs-tests/tests/functional/trim/trim_config.ksh
index 6a187a05b579..c08b5edb5698 100755
--- a/tests/zfs-tests/tests/functional/trim/trim_config.ksh
+++ b/tests/zfs-tests/tests/functional/trim/trim_config.ksh
@@ -57,7 +57,7 @@ log_onexit cleanup
 
 # Minimum trim size is decreased to verify all trim sizes.
 typeset trim_extent_bytes_min=$(get_tunable TRIM_EXTENT_BYTES_MIN)
-log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 4096
+log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 512
 
 # Reduced TRIM_TXG_BATCH to make trimming more frequent.
 typeset trim_txg_batch=$(get_tunable TRIM_TXG_BATCH)
diff --git a/tests/zfs-tests/tests/functional/trim/trim_integrity.ksh b/tests/zfs-tests/tests/functional/trim/trim_integrity.ksh
index 2dff0924f7b1..c67697521ce8 100755
--- a/tests/zfs-tests/tests/functional/trim/trim_integrity.ksh
+++ b/tests/zfs-tests/tests/functional/trim/trim_integrity.ksh
@@ -54,7 +54,7 @@ log_onexit cleanup
 
 # Minimum trim size is decreased to verify all trim sizes.
 typeset trim_extent_bytes_min=$(get_tunable TRIM_EXTENT_BYTES_MIN)
-log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 4096
+log_must set_tunable64 TRIM_EXTENT_BYTES_MIN 512
 
 # Reduced TRIM_TXG_BATCH to make trimming more frequent.
 typeset trim_txg_batch=$(get_tunable TRIM_TXG_BATCH)