The Best Dual Monitor Arms

Its clamp is low profile. On screen size limit it ties with the Amazon Basics gas dual and the VIVO freestanding at 27 in. On load rating it sits mid-pack at 20 lbs: the HUANUO 40-inch dual is rated for 26.4 lbs, and the Amazon Basics gas dual comes in at 15.4 lbs.

It is the only pick here with a two-piece clamp or grommet mounting; the FlowLift Dual has a dual C-clamp or grommet mounting instead. Check the back of your monitor for a 75x75 or 100x100 VESA pattern before ordering the Ergotron LX Dual; curved and some slim monitors need an adapter. Confirm your desk edge fits the Ergotron LX Dual's clamp range and has no rear lip or drawer rail in the way. Only the HUANUO 40-inch dual came close to it on price at the time of writing; it cost the most of the 6 picks.

USB ports sit in the base. Its 40 in screen size limit is the largest here; the FlowLift Dual comes next at 32 in. Nothing else here matches its 26.4 lbs load rating; the VIVO freestanding comes closest at 22 lbs.

It shares a dual C-clamp or grommet mounting with the FlowLift Dual; the VIVO freestanding goes with a freestanding base mounting. Check the back of your monitor for a 75x75 / 100x100 VESA pattern before ordering the HUANUO 40-inch dual; curved and some slim monitors need an adapter. Confirm your desk edge fits the HUANUO 40-inch dual's clamp range and has no rear lip or drawer rail in the way. Its price falls between the FlowLift Dual and the Ergotron LX Dual, based on our last check.

Each arm holds 4.4 to 19.8 lb. It matches the VIVO dual spring on screen size limit (32 in). It matches the VIVO dual spring on load rating (19.8 lbs).

It shares a gas spring tension with the Amazon Basics gas dual; the VIVO dual spring goes with a mechanical spring tension. It shares a dual C-clamp or grommet mounting with the HUANUO 40-inch dual; the VIVO freestanding goes with a freestanding base mounting. Check the back of your monitor for a 75x75 / 100x100 VESA pattern before ordering the FlowLift Dual; curved and some slim monitors need an adapter.

Confirm your desk edge fits the FlowLift Dual's clamp range and has no rear lip or drawer rail in the way. Set the FlowLift Dual's spring tension to your monitor's weight; a screen below the minimum load drifts upward. Its price falls between the VIVO dual spring and the HUANUO 40-inch dual, based on our last check.

It mounts by clamp or grommet. On screen size limit it ties with the FlowLift Dual at 32 in. On load rating it ties with the FlowLift Dual at 19.8 lbs.

It is the only pick here with a mechanical spring tension; the FlowLift Dual has a gas spring tension instead. Like the Amazon Basics gas dual, it has a C-clamp or grommet mounting, while the FlowLift Dual uses a dual C-clamp or grommet mounting. You also get a 4.4 to 19.8 lb range per arm.

Check the back of your monitor for a 75x75 / 100x100 VESA pattern before ordering the VIVO dual spring; curved and some slim monitors need an adapter. Confirm your desk edge fits the VIVO dual spring's clamp range and has no rear lip or drawer rail in the way. When we checked, only the Amazon Basics gas dual and cheaper picks cost less, and the FlowLift Dual cost more.

Its clamp fits desks up to 4 inches thick. On screen size limit it ties with the Ergotron LX Dual and the VIVO freestanding at 27 in. On load rating it trails the group at 15.4 lbs, while the HUANUO 40-inch dual is rated for 26.4 lbs.

Like the FlowLift Dual, it has a gas spring tension, while the VIVO dual spring uses a mechanical spring tension. Like the VIVO dual spring, it has a C-clamp or grommet mounting, while the FlowLift Dual uses a dual C-clamp or grommet mounting. Check the back of your monitor for a 75x75 / 100x100 VESA pattern before ordering the Amazon Basics gas dual; curved and some slim monitors need an adapter.

Confirm your desk edge fits the Amazon Basics gas dual's clamp range and has no rear lip or drawer rail in the way. When we checked, only the VIVO freestanding cost less, and the VIVO dual spring cost more.

Each arm holds up to 22 lb and 27 inches. It matches the Ergotron LX Dual and the Amazon Basics gas dual on screen size limit (27 in). Its 22 lbs load rating ranks second of 6 here, behind the HUANUO 40-inch dual (26.4 lbs) and ahead of the Amazon Basics gas dual (15.4 lbs).

A up to 100x100 vesa is unique to it among these picks, while the FlowLift Dual uses a 75x75 / 100x100 vesa. A freestanding base mounting is unique to it among these picks, while the HUANUO 40-inch dual uses a dual C-clamp or grommet mounting. It also offers a 22 lb limit per arm.

It undercut the Amazon Basics gas dual and every other pick on price at the time of writing. The trade-off is screen size limit; for more, the HUANUO 40-inch dual comes in at 40 in.