diff --git a/.config/bash/module/Archive.sh b/.config/bash/module/Archive.sh
index ffbcca6..6808b13 100644
--- a/.config/bash/module/Archive.sh
+++ b/.config/bash/module/Archive.sh
@@ -32,7 +32,7 @@ function archive() {
 	_iterate_targets process ${targets[@]}
 }
 
-# Archive using multiple threads. Uses 50% of free RAM.
+# Archive using multiple threads. Uses 75% of free RAM.
 # All directories by default.
 # Supports .archiveignore exclude file.
 # Usage: archive_mt [DIRS]
@@ -54,7 +54,7 @@ function archive_mt() {
 
 		# Determine memory limit.
 		local mem_free=$(_mem_free)
-		local mem_limit=$((mem_free/2))
+		local mem_limit=$((mem_free*3/4))
 
 		# create archive.
 		local hash=$(tar ${exclude} -c ${target} | pv -s $(/usr/bin/du -sb ${target} | awk '{print $1}') | xz -9e --threads=0 --memlimit=${mem_limit}MiB | tee ${name}.txz | sha1sum | cut -d\  -f1)
diff --git a/.doc/Bash.md b/.doc/Bash.md
index 4737276..432742f 100644
--- a/.doc/Bash.md
+++ b/.doc/Bash.md
@@ -21,7 +21,7 @@ Command|Description
 Command|Description
 ---|---
 `archive [DIRS]`|Archive directories. All directories by default. Supports .archiveignore exclude file. 
-`archive_mt [DIRS]`|Archive using multiple threads. Uses 50% of free RAM. All directories by default. Supports .archiveignore exclude file. 
+`archive_mt [DIRS]`|Archive using multiple threads. Uses 75% of free RAM. All directories by default. Supports .archiveignore exclude file. 
 `archive_fast [DIRS]`|Archive directories with fast compression. All directories by default. Supports .archiveignore exclude file. 
 `archive_check [FILES]`|Check archives integrity. Checks all archives by default. 
 `archive_prune [NAME] [VERSIONS]`|Delete old versions of an archive. All archives with 1 version by default.