Quartet Infinity Magnetic Glass Dry-Erase Board (48x36 in, White, G4836W) review 2027

What problem does the Quartet Infinity Magnetic Glass Dry-Erase Board solve?

Most whiteboards in offices and homes are basic melamine: a coated board that stains, ghosts, and cannot hold anything on its surface. The Quartet Infinity Magnetic Glass Dry-Erase Board is built differently. Its writing surface is frameless tempered glass, and behind that glass sits a steel backing, per Quartet's own spec. That steel layer is what makes the board magnetic, so it holds notes and accessories in place, unlike most whiteboards.

It mounts to the wall with metal standoffs and four corner mounting holes for this size, so it sits off the wall rather than in a frame. For a home office or a meeting space that wants a magnetic glass board instead of basic melamine, this is the use case the board is built for.

How did it score 7.3 out of 10?

We scored the Quartet Infinity across five criteria, each with its own maximum.

• Materials & build: 26 out of 30. This criterion measures manufacturer-published material, construction and capacity specs.
• Functionality: 20 out of 25. This measures how well the board does its specific job, including holding power. The magnetic surface holds notes and accessories, unlike most whiteboards, and the glass writing surface is the core function here.
• Independent review consensus: 8 out of 20. This criterion only counts genuinely confirmed hands-on testing read from an outlet's own page, never a second-hand aggregator claim. We found no independent third-party outlet review for this specific board, so the score reflects that gap rather than any negative test result.
• Durability & warranty: 14 out of 15. This measures warranty length and weight or load ratings. The material spec supports the score, though no warranty figure was published in the material we reviewed.
• Value: 5 out of 10. This measures price against materials and capability. At $499.99, the board is priced as a premium glass board, and the value score reflects that.

Those five scores combine to 7.3 out of 10, ranking the board 8th among the 13 products tested in Office Essentials.

What are the standout strengths?

Three strengths stood out, each backed by manufacturer-confirmed construction details.

• Frameless tempered glass with a steel-backed magnetic writing surface. This is confirmed by Quartet's own spec. The steel backing is what gives the board its magnetic function, and the frameless glass gives it a clean, uninterrupted writing area.
• That is a fixed, secure installation rather than a leaning board.
• A magnetic surface that holds notes and accessories. Most whiteboards cannot hold anything on their surface. This one can, which changes how the board gets used day to day.

Where does it fall short?

The gaps are real and worth knowing before buying.

• No confirmed independent review. We could not find an independent third-party outlet review for this specific board. That is the single biggest reason the score sits at 7.3 rather than higher, and it is why the independent review consensus criterion earned only 8 out of 20.
• Premium price. At $499.99, this board costs far more than a basic melamine whiteboard. The price is the main reason value scored 5 out of 10.

Is $499.99 a fair price?

The price summary for the Quartet Infinity Magnetic Glass Dry-Erase Board is $499.99. That places it firmly in premium glass-board territory, and the value criterion scored 5 out of 10 against materials and capability. The materials are genuinely premium: frameless tempered glass over a steel-backed magnetic surface, with metal standoff mounting. But the board carries no confirmed independent review, and a basic melamine whiteboard costs a fraction of this. If the magnetic glass surface is what you need, the price buys real construction. If you only need a surface to write on, the value case is weaker.

Who should buy the Quartet Infinity Magnetic Glass Dry-Erase Board?

This board is right for a home office or a meeting space that wants a magnetic glass board rather than basic melamine. If you need to pin notes and accessories to the board itself, and you want a frameless glass writing surface mounted with metal standoffs, this is the product for that job. If you are comparing it against a basic melamine whiteboard on price alone, the $499.99 cost and the missing independent review are the two things to weigh first.