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Compare two products
Pick any two products from our reviews and see specifications, price, buyer ratings and our scores in one table.
Recorded evidence
What separates these listings
- Price snapshot
- $30.00 price gap
- Product A has the lower captured price. This excludes delivery and ongoing costs.
- Editorial assessment
- 0.1-point score gap
- Product A has the higher research score, not a measured performance advantage.
- Specification coverage
- 11 of 11 fields shared
- Shared labels have recorded values on both sides; matching labels do not guarantee matching units or test conditions.
Product A
BONTEC Under Desk Keyboard Tray, Pull-Out Keyboard & Mouse Platform
- Potential fit
- Budget-conscious users with flat-edged desks
- Trade-off to resolve
- Plastic material lacks stiffness
Product B
VIVO Clamp-on Keyboard and Mouse Tray, 34" x 11" Black Platform
- Potential fit
- Expanding desk surface for keyboards and mice
- Trade-off to resolve
- Requires significant depth for clamping
Side-by-side evidence
11 of 11 recorded specification fields shown
| Side by side |  |  |
|---|---|---|
| Buyer rating | 4.4 | 4.4 |
| Price | $39.99 | $69.99 |
| Our score | 7.5/10 | 7.4/10 |
| Ratings count | 5,794 ratings | 14,206 ratings |
| Brand | BONTEC | VIVO |
| Best for | Budget-conscious users with flat-edged desks | Expanding desk surface for keyboards and mice |
| Build quality | 7.5/10 | 7.5/10 |
| Installation ease | 8.5/10 | — |
| Ergonomic benefit | 7.0/10 | — |
| Space utility | 8.0/10 | — |
| Stability | 6.5/10 | 7.2/10 |
| Ease of installation | — | 9.0/10 |
| Ergonomic utility | — | 7.0/10 |
| Compatibility | — | 6.5/10 |
| Item Weight | 9.53 pounds | 10.42 pounds |
| Product Dimensions | 11.8 x 25.6 x 1.57 inches | 39.4 x 11 x 3.8 inches |
| Material Type | Engineered Wood | Alloy Steel |
| Size | 25.6" x 11.8" | 34 inch |
| Item model number | KMT01-v02 | MOUNT-KB15EB |
| Color | Black | Black |
| Shape | Rectangular | Rectangular |
| Manufacturer | BONTEC | VIVO |
| Brand | BONTEC | VIVO |
| Number of Items | 1 | 1 |
| Manufacturer Part Number | KMT01-v02 | MOUNT-KB15EB |
| Our verdict | This entry-level tray offers a basic solution for clearing desk space, but the plastic construction lacks the rigidity of premium metal alternatives. Potential buyers should verify that their existing desk frame does not obstruct the mounting hardware or rail travel path. | This tray increases usable desk surface by extending the workspace for input devices, though the clamp mechanism requires significant desk overhang. Stability depends on the rigidity of the host desk edge. |
| Pros and cons |
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Prices and buyer ratings are captured snapshots. A dash means the detail was not recorded, not that a feature is absent. Editorial scores are research assessments, not laboratory measurements.
Sources and limits
This page summarizes our research reviews of Amazon listings, listed specifications and captured buyer ratings. It is not a hands-on test. Scores are editorial assessments, not measured performance; prices are recorded snapshots and may change. A category can include both main products and accessories, so its overall price range is not the cost of a complete setup.
Most recent product record update: November 9, 2026. Individual records may be older; this is not a verification date for every claim. Prices on this page were read from the listings Nov 10, 2026.
- Amazon listing: BONTEC Under Desk Keyboard Tray, Pull-Out Keyboard
- Amazon listing: VIVO Clamp-on Keyboard and Mouse Tray, 34" x 11" Black
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