diff --git a/bin/omarchy-hw-elgato-camlink-4k b/bin/omarchy-hw-elgato-camlink-4k
new file mode 100755
index 00000000..e94a54b2
--- /dev/null
+++ b/bin/omarchy-hw-elgato-camlink-4k
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# omarchy:summary=Detect whether an Elgato Cam Link 4K is plugged in.
+
+grep -qsx "Cam Link 4K" /sys/bus/usb/devices/*/product
diff --git a/default/systemd/system/camlink-4k-loopback.service b/default/systemd/system/camlink-4k-loopback.service
new file mode 100644
index 00000000..3b7d7b07
--- /dev/null
+++ b/default/systemd/system/camlink-4k-loopback.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Create the Cam Link 4K virtual camera
+After=systemd-modules-load.service
+
+[Service]
+# Reruns on every relay start, so a deleted or unloaded device comes back.
+Type=oneshot
+ExecStart=/usr/bin/modprobe v4l2loopback
+ExecStart=/bin/sh -c 'grep -qsx "Cam Link 4K" /sys/devices/virtual/video4linux/*/name || exec v4l2loopback-ctl add -n "Cam Link 4K" -x 1'
diff --git a/default/systemd/system/v4l2-relayd@camlink.service.d/camlink.conf b/default/systemd/system/v4l2-relayd@camlink.service.d/camlink.conf
new file mode 100644
index 00000000..956b2a41
--- /dev/null
+++ b/default/systemd/system/v4l2-relayd@camlink.service.d/camlink.conf
@@ -0,0 +1,16 @@
+[Unit]
+# udev starts this when the Cam Link 4K appears. Only the device's stop is
+# tied in: a start dependency on it would leave a job waiting whenever the
+# base v4l2-relayd.service is started with no Cam Link attached.
+ConditionPathExists=/dev/camlink4k
+StopPropagatedFrom=dev-camlink4k.device
+Requires=camlink-4k-loopback.service
+After=camlink-4k-loopback.service
+
+[Service]
+RestartSec=2
+# The packaged command line, plus sync=false on the sink. v4l2src stamps each
+# frame with its capture time, so by the time it reaches the sink it is already
+# past due and a synced sink drops every one of them.
+ExecStart=
+ExecStart=/bin/sh -c 'DEVICE=$(grep -l -m1 -E "^${CARD_LABEL}$" /sys/devices/virtual/video4linux/*/name | cut -d/ -f6); exec /usr/bin/v4l2-relayd -i "${VIDEOSRC}" $${SPLASHSRC:+-s "$${SPLASHSRC}"} -o "appsrc name=appsrc caps=video/x-raw,format=${FORMAT},width=${WIDTH},height=${HEIGHT},framerate=${FRAMERATE} ! videoconvert ! v4l2sink name=v4l2sink sync=false device=/dev/$${DEVICE}" $EXTRA_OPTS'
diff --git a/default/udev/elgato-camlink-4k.rules b/default/udev/elgato-camlink-4k.rules
new file mode 100644
index 00000000..27740681
--- /dev/null
+++ b/default/udev/elgato-camlink-4k.rules
@@ -0,0 +1,6 @@
+# Keep the Elgato Cam Link 4K's raw capture node away from users and hand it to
+# the v4l2-relayd instance that re-exposes it as a 16:9 virtual camera.
+# Sorted after 70-uaccess adds the tag and before 73-seat-late applies its ACL.
+SUBSYSTEM=="video4linux", ENV{ID_VENDOR_ID}=="0fd9", ENV{ID_MODEL}=="Cam_Link_4K", ENV{ID_V4L_CAPABILITIES}==":capture:", \
+  TAG-="uaccess", OWNER="root", GROUP="root", MODE="0600", SYMLINK+="camlink4k", \
+  TAG+="systemd", ENV{SYSTEMD_ALIAS}="/dev/camlink4k", ENV{SYSTEMD_WANTS}="v4l2-relayd@camlink.service"
diff --git a/default/v4l2-relayd/camlink.conf b/default/v4l2-relayd/camlink.conf
new file mode 100644
index 00000000..7f4ce67e
--- /dev/null
+++ b/default/v4l2-relayd/camlink.conf
@@ -0,0 +1,9 @@
+# Elgato Cam Link 4K relayed as a fixed 16:9 virtual camera. Browser meeting
+# apps send 720p at most; raise WIDTH/HEIGHT (up to 3840x2160) for apps that
+# can use more.
+VIDEOSRC="v4l2src device=/dev/camlink4k"
+FORMAT=NV12
+WIDTH=1280
+HEIGHT=720
+FRAMERATE=30/1
+CARD_LABEL="Cam Link 4K"
diff --git a/install/hardware/all.sh b/install/hardware/all.sh
index 7b806ce8..defeef1c 100644
--- a/install/hardware/all.sh
+++ b/install/hardware/all.sh
@@ -24,6 +24,9 @@ run_logged "$OMARCHY_INSTALL/hardware/intel/fred.sh"
 run_logged "$OMARCHY_INSTALL/hardware/intel/fix-wifi7-eht.sh"
 run_logged "$OMARCHY_INSTALL/hardware/intel/sof-firmware.sh"
 
+# Pulls in v4l2loopback-dkms, so it sits after the Panther Lake kernel swap.
+run_logged "$OMARCHY_INSTALL/hardware/fix-elgato-camlink-4k.sh"
+
 # Rebuilds the boot image, so it has to follow the Panther Lake kernel swap
 # above rather than sit with the other Dell leaf at the top of this file.
 run_logged "$OMARCHY_INSTALL/hardware/dell-xps13-sidecar-amps.sh"
diff --git a/install/hardware/fix-elgato-camlink-4k.sh b/install/hardware/fix-elgato-camlink-4k.sh
new file mode 100644
index 00000000..f726fd9a
--- /dev/null
+++ b/install/hardware/fix-elgato-camlink-4k.sh
@@ -0,0 +1,18 @@
+# Expose the Elgato Cam Link 4K as a 16:9-only virtual camera.
+# Browsers ask it for 640x480, which it fills by cropping, and the 4:3 frame
+# then gets stretched into a 16:9 tile. The raw node is hidden from users and
+# v4l2-relayd re-exposes it at 1280x720 under the same name.
+
+if omarchy-hw-elgato-camlink-4k; then
+  mapfile -t kernel_headers < <(pacman -Qqs '^linux(-zen|-lts|-hardened|-t2|-ptl|-omarchy-bore)?$' | sed 's/$/-headers/')
+  omarchy-pkg-add "${kernel_headers[@]}" v4l2loopback-dkms v4l2loopback-utils v4l2-relayd
+
+  sudo install -Dm644 "$OMARCHY_PATH/default/udev/elgato-camlink-4k.rules" /etc/udev/rules.d/71-elgato-camlink-4k.rules
+  sudo install -Dm644 "$OMARCHY_PATH/default/v4l2-relayd/camlink.conf" /etc/v4l2-relayd.d/camlink.conf
+  sudo install -Dm644 "$OMARCHY_PATH/default/systemd/system/camlink-4k-loopback.service" /etc/systemd/system/camlink-4k-loopback.service
+  sudo install -Dm644 "$OMARCHY_PATH/default/systemd/system/v4l2-relayd@camlink.service.d/camlink.conf" "/etc/systemd/system/v4l2-relayd@camlink.service.d/camlink.conf"
+
+  # The module's own default device would otherwise show up in browsers as
+  # "Dummy video device" on machines without another relay.
+  echo "options v4l2loopback exclusive_caps=1" | sudo tee /etc/modprobe.d/v4l2loopback-exclusive-caps.conf >/dev/null
+fi
diff --git a/migrations/1788862626.sh b/migrations/1788862626.sh
new file mode 100644
index 00000000..822d8513
--- /dev/null
+++ b/migrations/1788862626.sh
@@ -0,0 +1,20 @@
+echo "Expose the Elgato Cam Link 4K as a 16:9 virtual camera"
+
+if omarchy-hw-elgato-camlink-4k; then
+  source "$OMARCHY_PATH/install/hardware/fix-elgato-camlink-4k.sh"
+
+  sudo systemctl daemon-reload
+  sudo udevadm control --reload
+
+  # Re-run the rules for the Cam Link that is plugged in now so it gets hidden
+  # and relayed right away. The user ACL from its first plug survives a
+  # re-trigger, so drop it here; a replug or reboot does the same on its own.
+  sudo udevadm trigger --action=add --subsystem-match=video4linux
+  sudo udevadm settle
+  [[ -e /dev/camlink4k ]] && sudo setfacl -b /dev/camlink4k
+
+  # The trigger only starts the relay when the rule is new to the device.
+  # Start it outright so a failed module build or loopback surfaces here,
+  # with the raw camera hidden, rather than passing silently.
+  sudo systemctl start v4l2-relayd@camlink.service
+fi