KALLAX Shelf unit with 2 inserts, white, 161/2x577/8" - IKEA
For those interested, Ikea has launched this Kallax variant with Vinyl enthusiasts/DJ in mind, it's called "Obegränsad" what do you think? price is 120€ : r/VGMvinyl
Finally! The IKEA way to add legs to a KALLAX shelf - IKEA Hackers
Ikea KALLAX Insert with 4 Shelves, White 13" x 13" 404.237.19 - NEW | eBay
KALLAX Shelf unit, white, 16 1/2x57 7/8" - IKEA
Amazon.com: Ikea Kallax Shelf Unit with 4 Inserts Black Brown 192.782.53 Size 57 7/8x44 1/8 " : Home & Kitchen