‎2.5 Inches

Make sure this fits by entering your model number.
【High-efficiency MINI PC】This Mini computer comes with a Quad-Core Intel Celeron J3455 Processor ( base operating frequency 1.5 GHz/s rising to a 2.3 GHz in burst mode), Intel HD Graphics 500 GPU and Pre installed with Windows 10 Pro 64bit, ready to use, easy to setup.A fast & smooth and power-saving mini PC, It can satisfy your diverse scenarios’ use such as entertainment, office, education industry etc.
【Expand Storage Design】Mini desktop pc equiped with the internal 128GB mSATA SSD, 8 GB DDR3L. If you’re worried about running out of capacity,it’s expandable with the addition of up to 2 TB of 2.5 inch SSD fitted in the top cover. Get more storage space for your favorite videos, photos or other data.