64KB,Apple iPad Pro 12.9,Amazon.com : APPLE MP6G2LL/A iPad Pro with Wi-Fi 256GB, 12.9in, Space Grey (Renewed) : Electronics,Amazon.com: Apple iPad (10th Generation): with A14 Bionic chip, 10.9-inch Liquid Retina Display, 256GB, Wi-Fi 6, 12MP front/12MP Back Camera, Touch ID, All-Day Battery Life – Silver : Electronics,Identify your iPad model - Apple Support