The short answer
At this price the VIVO 32in and 36in converters are the two worth buying. Both publish about 17" of maximum lift and a 33 lb weight limit, both have a separate keyboard tier, and VIVO is unusual in publishing the desktop and the tray limits separately. The compromises are the 6.5" seated floor, the 33 lb ceiling, and a platform that is heavy to reposition once loaded.
What the budget tier buys
A surprising amount, and this is the one place in the whole sit-stand category where cheap is not obviously worse. The VIVO 32in publishes a 6.5" to 17" range — within half an inch of the VariDesk Pro Plus 36's 17.5". The VIVO 36in publishes 6.7" to 16.9" on a wider 36" x 22" surface.
VIVO also does something we wish everyone did: it publishes the desktop limit and the keyboard tray limit separately — 33 lb and 4 lb on the 32in. Most makers quote one number and leave you to discover that the tray is not part of it.
The three compromises
1. The seated floor
The VIVO 32in bottoms out at 6.5" above your desk. That height never goes away. On a 29" desk you are now typing at over 35" while seated, which is high for anyone under about 5'10". Raise your chair and use a footrest, or accept the shoulder shrug.
2. The 33 lb ceiling
Both publish 35 lb. Two 27-inch monitors with stands often total 24 to 36 lb, so the M7's dual-monitor pitch is genuinely tight against its own limit. Weigh before you buy.
3. Warranty clarity
Vari states a lifetime warranty on the Pro Plus 36 in plain language. VIVO states three years on the 36in riser, and nothing at all on the 32in. If a decade of coverage matters more to you than the price gap, that is the argument for spending more.
What to avoid outright
- Single-surface risers. No separate keyboard tier means your keyboard ends up at monitor height. This is the single worst thing you can do to your shoulders, and it is the defining feature of the cheapest products in this category.
- Converters with no published weight limit. When the real limits are 24 to 44 lb, a missing figure is not an oversight.
- Arc-lift designs. If the platform swings toward you as it rises, your keyboard ends up in your stomach at standing height.
- Anything requiring you to drill your desk at this price. Reversibility is most of the reason to buy a converter.
And if the budget will stretch a little further, compare against the budget full-desk tier before deciding — around $400 the calculus changes.
How we picked
Every pick earns its place on the numbers
Each product here is chosen the way a well-informed buyer would choose it: read the maker's spec sheet, manual and warranty terms; record the figures that decide whether a desk fits a body and stays still at height; confirm replacement parts are actually sold; then score it against a published rubric. The UPLIFT V2 adds something extra — it is owner-tested long-term, the desk Mike bought and works at daily.
Scores are weighted editorial judgments from that documented research, shown as a criterion-by-criterion breakdown so you can see which strengths earned each ranking. Nobody pays for placement. The rubric and the weights are on the How We Pick page.