Ergotron
Ergotron LX Pro Desk Monitor Arm (Matte Black)
$199
Best Monitor Arms · head-to-head
Ergotron LX Pro Desk Monitor Arm (Matte Black) vs WALI Single Monitor Arm GSDM001
A sourced, side-by-side comparison. WALI Single Monitor Arm GSDM001 is cheaper at $48.99. Every spec and price links to its source.
WALI
WALI Single Monitor Arm GSDM001
$48.99Cheaper
Which is better: the Ergotron LX Pro Desk Monitor Arm (Matte Black) or WALI Single Monitor Arm GSDM001?
The WALI Single Monitor Arm GSDM001 wins 1 of the 1 specs we compare head to head; the other wins 0. The WALI Single Monitor Arm GSDM001 is the cheaper at $48.99. The WALI Single Monitor Arm GSDM001 both leads on specs and costs less — the straightforward pick.
See Ergotron LX Pro Desk Monitor Arm (Matte Black) on Amazon Check WALI Single Monitor Arm GSDM001 price
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Ergotron LX Pro Desk Monitor Arm (Matte Black) | WALI Single Monitor Arm GSDM001 |
|---|---|---|
| US price | $199 | $48.99 List price at walielectric.com |
| Brand | Ergotron | WALI |
| Released | — | — |
| Mount type | clamp/grommet | clamp/grommet |
| Monitors supported | 1 | 1 |
| Max screen size (in) | 34 | 32 |
| Max weight per arm (lb) | 22 | 19.8 |
| Vesa pattern | 75x75mm, 100x100mm | 75x75mm, 100x100mm |
| Height adjustment (in) | 13 in | 23.6 in |
| Full motion | Yes | Yes |
| Mechanism | gas_spring | gas_spring |
Sources — Ergotron LX Pro Desk Monitor Arm (Matte Black): ergodirect.com (verified 2026-06-20). WALI Single Monitor Arm GSDM001: walielectric.com (verified 2026-06-20).
What's the difference between the Ergotron LX Pro Desk Monitor Arm (Matte Black) and WALI Single Monitor Arm GSDM001?
Where the two actually differ on the specs we track (3 of 8). Matching specs are omitted.
- Max screen size (in): Ergotron LX Pro Desk Monitor Arm (Matte Black) 34 vs WALI Single Monitor Arm GSDM001 32
- Max weight per arm (lb): Ergotron LX Pro Desk Monitor Arm (Matte Black) 22 vs WALI Single Monitor Arm GSDM001 19.8
- Height adjustment (in): Ergotron LX Pro Desk Monitor Arm (Matte Black) 13 in vs WALI Single Monitor Arm GSDM001 23.6 in
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Ergotron LX Pro Desk Monitor Arm (Matte Black)
Two whitelisted hands-on testers, Wirecutter and PCWorld, both name the Ergotron LX Pro a top single-monitor arm pick, praising its easy, tool-light setup and build/motion quality that matches pricier arms; PCWorld calls it great value at its ~$200 price. Wirecutter measured setup at about 20 minutes but flags a tricky recessed tension screw and fiddly cable management; PCWorld's only knock is a lower max weight (22 lb) than the older LX (25 lb). Verdict: buy. (2 sourced reviews, 2 lab-tested.)
Praised: Easy, tool-light installation; Smoothness of motion, range, and sturdiness match pricier top-pick arms; Great value and build quality competitive with pricier arms at the ~$200 price.
Flagged: Recessed tension screw is tricky to reach and adjust; easier with a helper; Cable management is functional but cheap-feeling and fiddly; Lower max weight (22 lb) than the older LX (25 lb).
WALI Single Monitor Arm GSDM001
No sourced tester review yet.