Search  for anything...
Zinus

ZINUS SmartBase Tool-Free Assembly Mattress Foundation, 14 Inch Metal Platform Bed Frame, No Box Spring Needed, Sturdy Steel Frame, Underbed Storage, Cal King

    • Based on 104,045 reviews
Condition: New
Checking for product changes
$129.00 Why this price?
Save $0.99 was $129.99

Buy Now, Pay Later

As low as $21.50 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: Only 3 left in stock, order soon!
Fulfilled by Amazon
Arrives Friday, May 16
Order within 11 hours and 21 minutes
Available payment plans shown during checkout

Recently Viewed

Color: Black


Size: California King


Style: Tool-free Assembly


Features

  • A ONE-AND-DONE SOLUTION - Why buy both a bed frame and box spring for your mattress? Our sturdy steel SmartBase lets you enjoy the benefits of both; and fear not - this hardworking frame only requires opposable thumbs to set-up
  • NO BOX SPRING NEEDED - Platform is made with heavy steel that replaces your box spring, allowing you to rest your memory foam or spring mattress directly on top; legs have plastic caps to protect your floors
  • UNDERBED STORAGE - Total of 13 inches of clearance space under the frame provides valuable storage room for extra odds and ends
  • QUICK, TOOL-FREE SETUP - Shipped in one compact box and with intuitive and tool-free one touch setup; rest your mattress directly on top of the platform; single frame sizes support a maximum weight capacity of 750 lbs, while other sizes up to 1500 lbs
  • Worry-free 5 year lid warranty included; mattress sold separately

Description

The SmartBase checks off a lot of boxes on a bed frame wish list. Excellent mattress support without a box spring? Check. An abundance of underbed storage space? Check. Over 30,000 5-star reviews? Check! Frankly, we’re not surprised that so many happy customers have traded in their two-piece box spring and bed frame sets for this reinforced steel base. It’s designed with a metal platform that you can rest your memory foam, latex or spring mattress directly on top of for extended mattress life. It’s also engineered with multiple support legs for maximum stability and squeak-free use. Plus, those legs have plastic caps at the ends to protect your floors from unnecessary scratches. With super simple, one-touch assembly that only requires your own two hands and a 5-year worry-free warranty included, this extraordinary foundation is what we call a win-win.

Size: California King


Product Dimensions: 83.5"L x 71.3"W x 14"H


Special Feature: Sturdy


Color: Black


Finish Type: Painted


Size: California King


Product Dimensions: 83.5"L x 71.3"W x 14"H


Special Feature: Sturdy


Color: Black


Finish Type: Painted


Included Components: Foundation, Non-slip tape


Brand: Zinus


Furniture Finish: Brass


Product Care Instructions: Clean with a damp cloth as needed, no special care required


Assembly Required: No


Manufacturer: Zinus, Inc


UPC: 841550050561


Form Factor: Metal Platform Bed Frame


Global Trade Identification Number: 61


Item Weight: 38.1 pounds


Country of Origin: China


Item model number: SM-SC-SBBK-14CK-FR


Is Discontinued By Manufacturer: No


Finish types: Painted


Warranty Description: Worry-free 5 year limited warranty included.


Batteries required: No


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, May 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Strong, Sturdy, and Solid Bed Frame! Highly Recommend!
Color: Black Size: Full Style: Tool-free Assembly
I am a fairly big guy. I have had plenty of bed frames that have broken due to both carelessness on my part as well as the bed frames not being strong enough to hold my weight. We have done everything from rigging the bed frames and without fail they always ended up breaking. So for almost 10+ years I have been sleeping with a mattress on the floor. I started to do research on bed frames that would be able to hold together with my weight and I came pass this Sleep Master SmartBase Mattress Bed Frame which I saw could hold up to a advertised 2,400 pounds and I was automatically sold. The reviews of this bed frame were very good, the price was reasonable, and that is when I made my purchase. I got this bed frame and once unboxing it I was very skeptical. I could not believe that these two separate frames with two nuts and screws to combine them together to create a full frame would hold someone of my size, especially separately. The legs seem to thin, but the only thing that looked promising was this was made out of steel. Even screwing them together I still was very unsure. I was even weary about climbing onto this bed frame thinking it would collapse under my weight. Once I put my mattress on it and made my bed up I finally garnered up enough courage and climbed on and I was amazed it did not fall straight to the floor, matter of fact, it did not squeak, I felt no budge, nothing. This bed frame was a very solid, very sturdy, and very strong. I was amazed. The more I climbed on and off this bed frame my confidence increased and I am sure yours will too overtime. There were a few things I needed to get used to. First off, since I have been relatively sleeping on the ground for a decade I needed to get used to how high I was sleeping in the air. I believe it's about 14 inches off the floor which is pretty elevated. As an adult I can easily fit underneath this bed frame. You can comfortably place luggage and other storage items underneath it just to give you an idea. I have only had this bed frame for about a week so any squeaking that has been a big complaint and con of this bed frame has yet to occur. One accident I made while purchasing this product was buying a box spring. You can buy a box spring for this, but I would highly suggest you save your money and DO NOT BUY A BOX SPRING. With how high this bed frame sits off the ground and your mattress on top of it, with a box spring, you will be able to outstretch your arm and touch the ceiling on your knees with ease. Just my suggestion. This bed frame and a mattress is perfectly fine. I just want to touch on how simple this bed frame was putting together. You need no tools. You simply just latch and screw on tightly with your hands. It is that easy. I am pretty sure anyone from a child to a elderly person can put this together. Overall, I am impressed with this bed frame. I have no complaints about it. Easy to put together, it's a strong, sturdy, and solid bed frame that you can have confidence getting in and out of. If you like sleeping high then you will definitely get that from this product. I would suggest this to my fellow big people or just anybody who is looking for a new bed frame. I already suggested it to my brother. Right now, I will give this a 5/5 perfect score. I highly recommend this. ... show more
Reviewed in the United States on September 21, 2015 by Amazon Customer
    • Great bed frame!
Color: Black Size: Queen Style: Basic Assembly
Bought this for my son just starting out on hos own. He is a big guy and this supports his weight. It is sturdy and doesn't move around or make noise when you set on it. It leaves enough room for storage containers under the bed. It was easy to put together, took my husband and him about 30 minutes working as a team. Its design is simple and gets the job done! ... show more
Reviewed in the United States on March 18, 2025 by Hellooooooo
    • Well made, sturdy, easy to assemble , 5 stars
Color: Black Size: Twin Style: Basic Assembly
Review Image by Elsie Pie Elsie Pie
Review Image by Elsie Pie Elsie Pie
Review Image by Elsie Pie Elsie Pie
Review Image by Elsie Pie Elsie Pie
Outstanding quality . 1. Comes with an actual tool- a ratcheted allen wrench! To assemble with. The tool itself is quality, heavy and sturdy , and made assembly much easier . I’ve never had any item come with a ratcheted Allen wrench. Assembly was quick , one person , 15 minutes , using this tool . I DID read the directions first lol. ALL the parts were present and everything matched up - no ‘ off ‘ holes or bolts etc . 2. Great construction and finish quality . The frame is on sliders in the picture - but you can see the smooth sheen on the finish and the thickness of the steel . It’s holding a 12 inch thick memory foam mattress here. 3. Legs are inset ,making for a sturdy frame ( this is a twin ) and most of all preventing your toes from ramming into the legs when you approach the bed or make it etc. ( see pictures) This feature is hard to find and it makes a huge difference for many people. Me especially . 4. Price was excellent . 5. Shipping was super fast . 6. Packing was Great- sturdy flat box , and everything was organized perfectly within. If you assemble stuff , this will be a good memory to think back on . Not a single cuss word required . ... show more
Reviewed in the United States on February 1, 2025 by Elsie Pie Elsie Pie
    • Great value and easy set up!
Color: Black Size: Queen Style: Basic Assembly
_5/5 Stars - A Solid and Convenient Mattress Foundation!_ I recently purchased the ZINUS Rumi 14in Easy SmartBase Mattress Foundation, and I'm thoroughly impressed with its quality, design, and ease of assembly. Purchased for our guest bedroom! I was looking for a sturdy and reliable mattress foundation that wouldn't break the bank. _Sturdy and Durable:_ The Rumi SmartBase is built to last, with a solid steel frame that provides excellent support for my mattress which i also purchased on Amazon lol. _Easy Assembly:_ I was blown away by how easy it was to assemble the SmartBase. The instructions were clear, and the entire process took less than 30 minutes. The tool-free design made it a breeze to put together. _Space-Saving Design:_ The 14-inch height provides ample storage space underneath the bed, which is perfect for storing linens, out-of-season clothes, or luggage. _Noise-Free:_ The SmartBase is incredibly quiet, with no creaking or squeaking sounds, even when I move around or get in and out of bed. _Affordable:_ Considering the quality and features, I was surprised by the affordable price point. This mattress foundation is an excellent value for the price. If you're in the market for a reliable, easy-to-assemble, and affordable mattress foundation, I highly recommend the ZINUS Rumi 14in Easy SmartBase Mattress Foundation. Pros: - Sturdy and durable steel frame - Easy tool-free assembly - Space-saving design with ample storage - Noise-free operation - Affordable price point Cons: None! ... show more
Reviewed in the United States on January 28, 2025 by C wasi
    • Great little frame and effortless to set up
Color: Black Size: Twin Style: Tool-free Assembly
I a m pleased with this product. It snapped together right out of the package just as it was advertised, which was important to me. It is compact and seems sturdy enough to support a child, teen, or lightweight adult. It is perfect for my guest bedroom. I would recommend it
Reviewed in the United States on March 6, 2025 by Rosanne Davis
    • Durable quality
Color: Black Size: Queen Style: Basic Assembly
Light weight. Sturdy and durable. Great frame to pair with our kiddos 12” queen bed. Easy to assemble. Nice height with lots of underneath storage.
Reviewed in the United States on March 10, 2025 by Daisha Marie

Can't find a product?

Find it on Amazon first, then paste the link below.