Lightly used Raspberry Pi 4 Model B Rev 1.2 with 4GB of RAM
32 GB SD card.
also fan shim installed (it's a little cooling fan that sits above the CPU and bridge).
In a nice black case with clear lid.
Output from some commands to display system details below:
Raspberry Pi 4 Model B Rev 1.2
total used free shared buff/cache available
Mem: 3795 327 2913 28 646 3468
Swap: 2047 0 2047
Filesystem 1K-blocks Used Available Use% Mounted on
udev 1669052 0 1669052 0% /dev
tmpfs 777368 9300 768068 2% /run
/dev/mmcblk0p2 30071620 6997644 21771948 25% /
tmpfs 1943420 120 1943300 1% /dev/shm
tmpfs 5120 16 5104 1% /run/lock
tmpfs 1024 0 1024 0% /run/credentials/systemd-journald.service
/dev/mmcblk0p1 516204 89259 426946 18% /boot/firmware
tmpfs 1943420 4 1943416 1% /tmp
tmpfs 388684 64 388620 1% /run/user/1000
tmpfs 1024 0 1024 0% /run/credentials/getty@tty1.service
tmpfs 1024 0 1024 0% /run/credentials/serial-getty@ttyS0.se