Verdict
Head-to-head · Best Dual Monitor Arms

Amazon Basics Dual Monitor Arm vs Ergotron HX Dual

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Ergotron HX Dual comes out ahead by a narrow margin (4.5 vs 4.7). The gap is mostly about traders, video editors, and developers with 32"+ ultrawide or TV-as-monitor setups — read the strengths below before deciding.

Amazon Basics Dual Monitor Arm
Ranked #3 in Best Dual Monitor Arms
Amazon Basics Dual Monitor Arm
$28

The Amazon Basics Dual is the value pick. Manufactured by Ergotron with the same internals as the LX Dual — at a fraction of the price. Trade-off: shorter warranty and less premium feel. Best for cost-conscious buyers who want Ergotron quality at a steep discount.

Strengths
  • Secretly manufactured by Ergotron — same constant-force spring mechanism
  • $28 — fraction of LX Dual price for similar core function
  • Supports 27" displays up to 20 lbs each
Watch-outs
  • 1-year warranty (vs Ergotron's 10-year)
  • Plastic outer shells vs LX Dual's metal
  • Cable management less elegant than LX Dual
Ergotron HX Dual
Higher ratedRanked #2 in Best Dual Monitor Arms
Ergotron HX Dual
$585

The HX Dual is the heavy-display pick. Built for ultrawide monitors over 30 lbs that the LX can't support. Quick-release head and pro-grade clamp. Best for video editors, traders, and developers with 32"+ professional displays.

Strengths
  • Built for ultrawides over 30 lbs and TVs used as monitors
  • Quick-release head — swap monitors in seconds
  • Heavy-duty desk clamp + 10-year warranty
Watch-outs
  • Most expensive pick at $585
  • Overkill for standard 24-27" displays
  • Substantial desk-edge footprint

How they stack up

Amazon Basics Dual Monitor Arm

Cheapest pick with Ergotron-quality internals. Shorter warranty than LX Dual. Plastic finish vs LX Dual's metal.

Ergotron HX Dual

Most expensive. Heaviest supported displays. Overkill for standard monitors. Matching decade-long warranty alongside Ergotron LX Dual.

Specs side-by-side

SpecAmazon Basics Dual Monitor ArmErgotron HX Dual
Max Monitor27" / 20 lb each32"+ / 30+ lb each
Warranty1-year10-year
SpringConstant Force (Ergotron OEM)
Price$28
FeatureQuick-release head
MountHeavy-duty clamp
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