Perhaps of most interest to those who want a simpler, low-profile machine
to use (and learn with) that has Linux pre-installed.
Lenovo ThinkCentre M57p 6073 (PC), HANNS-G HC194D (monitor)
160 GB Seagate ST3160812AS SATA hd with Debian GNU/Linux 10 (buster) installed
x86_64 (64bit) 4.19.0-17-amd64 kernel
DH48C2S DVD R/W ATAPI drive
4 GiB RAM -- ~3.4 GiB usable
Intel 82Q35 Express Integrated graphics
Intel 82801I HD audio
Intel 82566DM-2 Gigabit Network ethernet
Ralink RT5370 USB Wireless Adapter with rt2800usb driver
Approximate dimensions ....
14" Length (front-to-back) x 12.5" Width x 4" Height
Details-to-be, see: https://www.wiki.balug.org/wiki/doku.php?id=balug:offered_wanted_hardware_etc