Ready to use immediately! We will update to the latest version of Windows 11 after your order and ship it promptly. DELL OptiPlex 3000 CPU: Core i5-12600 3.30GHz Max 4.80GHz, 6 cores, 12 threads Memory: 16GB SSD: 1TB (New, with heat sink) DVD Drive USB 3.2 x 4, USB 2.0 x 4 WiFi (USB connection) Microsoft Office 2021 Pro + Authenticated Windows 11 Pro Authenticated Comfortable with a 1TB NVMe M.2 SSD (faster than 2.5" SSD) & 16GB memory 12th generation CPU! Officially supports Windows 11 Benchmark CineBench R15: 1364cb Sufficient specifications for everyday use. (Reference: i7-6700 scores around 750) Operation Check Items Windows installation, updates BIOS, driver confirmation and updates Optical drive read verification Wired LAN connection confirmation Multi-display 3 output confirmation C-MOS battery and CPU grease replaced Test Environment Displays: HDMI, DisplayPort, D-SUB (VGA) Keyboard and mouse: USB connection Other Some scratches and wear are present. Simple cleaning has been done, but some dirt is unavoidable. Accessories Computer body Power cord WiFi adapter (USB connection) *Receipts can be issued. *Initial defect support For important malfunctions related to operation, please contact us via the transaction navigation within 5 days of product arrival (contact via evaluation is not possible). Defects due to additions/modifications by the buyer or software installation are not covered by the warranty. No support is available after the period has passed. *Regarding errors in the title and description The details and condition of the product are based on the images. Please be sure to check the images. *Please ask any questions before bidding. Returns and claims are not accepted. Operation is not guaranteed for unchecked parts. (A-2856)