Manufacturer: DELL Product Name: Precision 3431 OS: Windows 11 Pro CPU: Intel Pentium G5420 9th Generation CPU Memory: 8GB DDR4 2666MHz *Memory slots: 4 (2 free) Storage: M.2 SSD 128GB / 2.5-inch HDD 320GB (with conversion bracket) *(3.5-inch HDD mount included) Optical Drive: DVDRW drive Network: Wired/Wireless built-in Interfaces: DisplayPort x 2 [Included Items] Main unit and power cord for operation check (not genuine) *LCD and other items shown in the photos are not included. [Important Notes] This product is used. While we have confirmed that it powers on and boots up, we have not performed any further testing. We will try to indicate any noticeable issues, but please understand that we have not checked the functionality of other interfaces, etc. We apologize for any oversights. Please be aware that we do not offer any warranty for any issues after arrival. Please purchase with this understanding. If you are looking for a perfect product, please refrain from purchasing. Thank you for your understanding. *This is a used product, so there may be scratches, scuffs, and sticker residue on the surface and back cover. *Internal cleaning has not been performed. *Fan noise may be noticeable due to the product being used.