HIGHDING SATA Blu-ray BD-R/RE Drive Burner Writer Replacement for ASUS X83Vb G74SX K55A Please do not simply use the Add to Cart button. Click on the word "new" below to expand the page and see sellers and prices Write Speed: BD-R: 6x max. BDXL: 4x max. BD-R DL: 4x max. BD-RE: 2x max. DVD-R: 8x max. DVD+R: 8x max. DVD-RW: 6x max. DVD+RW: 8x max. DVD-R DL: 6x max. DVD+R9: 6x max. CD-R: 24x max. CD-RW: 24x max. Read Speed: BD: 6x max. DVD: 8x max. CD: 24x max. NOTE THAT : 1. Our optical drive is just a Blu-ray drive WITHOUT any original accessories( faceplate, mounting frames, hooks, brackets) 2. If you replace your old optical drive by yourself, you just need to remove your old optical drive's accessories with a screwdriver, then install them on our optical drive, then you can use it. 3. We will include one manual in package box for your reference, it is so easy to operate.