How compact is this desktop PC?

The desktop PC has dimensions of Height: 11.9 inches, Width: 3.7 inches, and Depth: 11.5 inches.

Does the PC come with any additional accessories?

The PC comes with a keyboard, mouse, quick start guide, system power cord (US), and documentation.

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Dell Pro Slim Plus QBS1250 Desktop - Intel Core Ultra 7 265 - 32GB - 512GB SSD - Slim PC - Intel Chip - Windows 11 Pro - DVD-Writer - 260W 01DW3