Quick overview from the supplier:
Dell AIO OptiPlex 7780 (27" FHD Touch IPS Core i5-10505 3.2-4.6GHz, 16GB, 512GB, Ubuntu)
Product Family : OptiPlex 7780 All-in-One
Screen : 27" FHD 1920x1080 WVA Touch Anti-Glare
Stand OptiPlex All-in-One Height Adjustable Stand
CPU : Intel Core i5-10505, 12 MB Cache, 6 Cores, 12 Threads, 3.2 GHz to 4.6 GHz, 65 W
RAM : 16GB (2x8GB) DDR4 Non-ECC Memory
HDD : M.2 2230 512GB PCIe NVMe Class 35 Solid State Drive
Opticals : No DVD
Card Reader SD card reader
Graphics Intel Integrated Graphics
WLAN : Intel Wi-Fi 6 AX201, Dual-band 2x2 802.11ax with MU-MIMO + Bluetooth 5.1
Camera : FHD IR Camera
1 x USB 3.2 Gen 1 Type-A port with PowerShar
2 x USB 3.2 Gen 2 Type-A ports with Smart Power On
2 x USB 3.2 Gen 2 Type-A ports
1 x USB3.2 Gen 2 Type-C port
HDMI-out
HDMI-in
DisplayPort Dual-Mode Dp++
1Gb LAN (RJ-45)
Keyboard : Dell Pro Wireless Keyboard and Mouse - KM5221W - Russian (QWERTY)
Speakers 2 x 5W
PSU Platinum 220W PSU
OS : Ubuntu Linux 18.04
Trusted Platform Module (Discrete TPM Enabled)
Intel vPro Technology Enabled
Maincase : Silver/Black
https://www.dellemc.com/resources/en-us/asset/data-sheets/products/desktops-all-in-ones/optiplex-7780-all-in-one-spec-sheet.pdf
