Split King listed in our catalog
Avocado Eco Adjustable Base
Confirm the current split-king configuration, controls, installation requirements and total price with the manufacturer.
Updated October 2026
Split King Adjustable Beds Compared
Two independent sides can suit partners who want different bed positions. Start with mattress compatibility and the exact two-base configuration, then compare controls, frame fit and the complete purchase terms.
Research basis: the models below are listed as split-king options in our catalog and appear alphabetically. We have not conducted instrumented motor-noise or load tests for this comparison. It publishes no testing scores or inferred two-base prices. Confirm current specifications and availability with the manufacturer.
Use the adjustable-bed setup and buying hubChoose the configuration before the features
Independent or synchronized?
Ask how separate remotes and any sync mode work on the configuration you plan to order. Controls can differ across sizes.
Will the mattress and frame fit?
Check both manufacturers' compatibility instructions and the space needed for installation and movement.
What is included in the quote?
Identify the number and size of bases, mattresses, setup service, accessories and return terms before comparing totals.
Split-king options in our catalog
Use these models as starting points for manufacturer questions. This is an alphabetical list, not a measured performance ranking.
Split King listed in our catalog
Avocado Eco Plus Adjustable Base
Confirm the current split-king configuration, controls, installation requirements and total price with the manufacturer.
Split King listed in our catalog
DreamCloud Adjustable Base
Confirm the current split-king configuration, controls, installation requirements and total price with the manufacturer.
Split King listed in our catalog
Ergomotion Ascend Hi-Low with Tilt
Confirm the current split-king configuration, controls, installation requirements and total price with the manufacturer.
Split King listed in our catalog
Ergomotion Dawn House Bed
Confirm the current split-king configuration, controls, installation requirements and total price with the manufacturer.
Split King listed in our catalog
Ergomotion ErgoSportive
Confirm the current split-king configuration, controls, installation requirements and total price with the manufacturer.
Split King listed in our catalog
Ergomotion Quest 4.0
Confirm the current split-king configuration, controls, installation requirements and total price with the manufacturer.
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Split King vs. King
| Configuration | Mattress footprint | Independent movement |
|---|---|---|
| Split King | Two 38 × 80 in Twin XL mattresses | With compatible independently controlled bases |
| King | One 76 × 80 in mattress | The regular one-piece mattress moves together |
Saatva's sizing guidance illustrates the standard two-Twin-XL layout. It does not verify the specifications of every catalog model. Partners can choose different mattress firmness levels, but should also consider mattress heights and each mattress's suitability for the intended base.
Before you order
- Ask for an itemized quote identifying the exact base model, size and number of units. Do not double a catalog price unless the retailer confirms what that price covers.
- Check the mattress warranty and compatibility guidance for adjustable use. Include two mattresses in the budget if you do not already have a suitable pair.
- Ask what the published weight limit includes and whether it applies to each unit or the complete configuration. Do not treat a catalog capacity as a verified per-side load result.
- Measure the room and existing frame, then compare the installation dimensions in the base manual. Follow the manufacturer's support and clearance requirements.
- Confirm what delivery and assembly include. Ask whether the bases and mattresses have separate trial, return, restocking and warranty terms.
- If you want gap-management or connector accessories, ask which ones support the intended independent movement. Do not assume every strap or filler is appropriate.
Frequently Asked Questions
What is a split king adjustable bed?
A standard split king uses two Twin XL mattresses, each 38 by 80 inches, for a combined 76 by 80 inch sleeping surface. With compatible independently controlled bases, each partner can raise or lower their own side. Confirm whether the exact base configuration offers independent controls, synchronized operation or both.
Do you need two mattresses for independent adjustment?
The standard split-king setup uses two compatible Twin XL mattresses. A regular one-piece king mattress is not a substitute when the two sides need to move independently. Follow the mattress and base manufacturers' compatibility instructions; specialized partially split systems have their own requirements.
Is a split king the same size as a regular king?
The standard mattress footprint is the same: 76 by 80 inches. That does not establish the external dimensions of a particular frame or base. Check the complete installation dimensions and the bedding requirements for the configuration you order.
How should you handle the gap between the mattresses?
Ask the manufacturer which mattress retainers, base connections or gap accessories are compatible with independent movement. An accessory must not interfere with articulation. Two mattresses also need reasonably compatible heights; choosing different firmness levels does not mean every pair will line up.
Can a split king base fit an existing bed frame?
Check the base manual and frame dimensions before ordering. Zero-clearance installation, support requirements, leg options and clearance for moving parts vary by model. Do not assume a king-size label alone makes the combination compatible.
How much does the complete setup cost?
Request an itemized quote for the exact split-king configuration. Confirm whether a displayed price buys one unit or the complete pair, then account for mattresses, delivery, assembly and any necessary accessories. This comparison does not publish current pair prices because our catalog price fields do not establish an exact Twin XL or two-base quote.