Serta iSeries NXG 2500 Hybrid review

The iSeries NXG 2500 Hybrid is the Serta to choose if you want a step up in foam quality without paying flagship money. Serta builds it with high-density NXG memory foam, a Deep Reaction gel memory foam layer and carbon fiber memory foam that it says draws heat away from the body, all over its Q4 Zoned Support System of 4-in-1 interlinked coils in five zones. BestEdge support is meant to keep the perimeter stable, which helps if you sit on the side of the bed. It comes in medium and plush, both $2,199 for a queen in Serta's product data on November 10, 2026, with a Twin XL from $1,899. The 3500 Hybrid adds micro coils and a firm option for $400 more, and the 1500 Hybrid Firm is $300 less. Compared with the Perfect Sleeper Hybrid, you pay about $1,000 extra mainly for denser foams and the reinforced edge.

Who it is for

Shoppers who want denser memory foam, a reinforced edge and more cooling than Perfect Sleeper offers, in a medium or plush feel.

Price

From $1,899 for a Twin XL on Serta.com when checked; queen $2,199 in Serta's product data.

Serta® iSeries® NXG™ Mattress - 2500 Hybrid $1,899.00
Quoted from the vendor pricing page on November 10, 2026.

Key features

• High-density NXG memory foam for contouring pressure relief
• Deep Reaction gel memory foam and carbon fiber memory foam
• Q4 Zoned Support System with 5 zones and 4-in-1 interlinked coils
• BestEdge support for edge-to-edge stability
• CoolFeel cool-to-the-touch cover

Strengths and weaknesses

• Strength: Adds BestEdge edge support that Perfect Sleeper pages do not list
• Strength: Medium and plush queens share one $2,199 price
• Strength: Serta rates it for all sleep positions
• Weakness: The queen costs $1,000 more than the Perfect Sleeper Hybrid Medium
• Weakness: No firm feel; firm buyers need the 1500 or 3500
• Weakness: Lacks the micro coil layer of the 3500 Hybrid

Key facts

• Queen price: $2,199 when checked
• Type: Hybrid
• Feels: Medium, plush
• Edge: BestEdge support
• Trial and warranty: 100 nights, 10 years

Where it ranks

Serta iSeries NXG 2500 Hybrid is No. 3 in our Best Serta Mattresses verdict.