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Best if you want headroom on weight capacity or use a larger monitor
COFO Pro (14 kg capacity) was swapped out on 2026-10-14: its Amazon page showed "priced higher than typical" with no normal buy flow. Replaced with ELECOM DPA-SL07BK (approx. 2 to 20 kg capacity, genuinely discounted on Amazon). No warranty period could be found on the maker's official site, Kakaku.com, or the retail page, so it is treated as unknown and left out of the warranty score. The supported desk thickness (approx. 12 to 50 mm, both clamp and grommet) was confirmed on the maker's own official Rakuten store listing.
Score Breakdown
Specs
| Mechanism | Gas spring |
|---|---|
| Supported screen size | 17 to 49 inches |
| Weight capacity | approx. 2 to 20 kg |
| VESA | 75×75 mm / 100×100 mm |
| Mounting | Clamp and grommet (both approx. 12 to 50 mm desk thickness) |
| Features | 5-axis movement, cable holder built into the arm |
| Weight | approx. 3.69 kg |
| Warranty | Not stated — could not confirm |
🙂 Good points
- Approx. 2 to 20 kg weight capacity, the highest of the four
- Supports 17 to 49 inches, the widest range of the four
- Built-in cable holder along the arm
🙁 Things to note
- No warranty period is stated on the maker's site or the retail page — could not confirm
- Supported desk thickness is about 12 to 50 mm; thicker desktops won't fit
Sources
Amazon.co.jp product page ／ Kakaku.com spec page ／ Rakuten ELECOM Direct Shop listing (detailed specs, incl. desk thickness and accessories)
Scores are calculated only from specs published on official and retail pages.