Were always ready to assist. Hard Drive Capacity 2TB NVMe SSD ~3,500MB/s Read ~3,000MB/s Write. Everything will unbox as new. We stand behind all of our products we sell, period. 27 apple imac 3.7ghz 6-core 5k 2tb ssd 32gb ram radeon pro 580x 8gb 2019 operating system macos 11, big sur (contact us for mojave).