Dell Precision Workstation Tower 3620 Intel Core i5 6th Gen 8GB RAM 500GB HDD Windows 10 Pro Desktop
Dell Precision Workstation Tower 3620 supports a single Intel Core X series processor. It can support up to 64GB of memory, plus both AMD FirePro and Nvidia Quadro graphics cards for complex graphics and video applications.
Operating system: Windows 10 Pro 64-Bit Edition
Memory: 8 GB DDR4 SDRAM, 2133 MHz | Supports up to 64GB
Storage: 500 GB HDD 7200 RPM SATA/128 ssd

4 gb dedicated graphics
Graphics Processor: Intel HD Graphics 530
Processor: Intel Core 15-6700 (3.4 GHz, up to 4.0 GHz with intel Turbo Boost 2.0, 3 MB cache, Dual-core)
Ports: Front: 2 x USB 3.0 | 2 x USB 2.0 | 1 x headphone connector | 1 x headphone/microphone
Back: 2 x USB 2.0 | 4 x USB 3.0 | 2 x PS2 | 2 x DisplayPort | 1 x HDMI | 1 x RJ45 Network Connector | 1 x Serial | 1 Microphone | 1 x Audio Line out
Expansion slots:: 1 x Full Height PCle x16 Gen3 | 1 x Full Height PCle x16 Gen 3 (wired x4) |1 x Full Height PCle x4 Gen3 | 1 x Full Height PCI; (1) M.2 (22×80 mm)
Bays: 2 x internal 3.5″ bays – supports | 2 x 3.5″ or 4 x 2.5″ drives | 2 x external 5.25″ optical bays
Audio: Integrated Realtek ALC3861 HD Audio Codec (2 Channel) | Internal Speaker; Optional Dell 2.0 stereo speaker systems available | Dell sound bar for select flat-panel displays
Wired Protocol: Intel Ethernet Connection 1219-LM 10/100/1000
Power supply: 365W 90% efficient PSU (80PLUS Gold Certified Certified) Energy Star compliant;
290W 85% efficient PSU (80PLUS Bronze Certified) Energy Star Compliant

Windows 11 Pro Intel® Core™ i7-13700 (up to 5.2 GHz with Intel® Turbo Boost Technology, 30 MB L3 cache, 16 cores, 24 threads)16 GB memory; 256 GB SSD storage23.8″ diagonal FHD displayIntel® UHD Graphics 770 with matte screen finish for anti-glare

LENOVO ThinkCentre M920z All-in-One Desktop Computer, 23.8″ FHD TFT Display, Intel Core i5-8500 Professor, up to 4.1GHz, 256GB SSD, 16GB DDR4 RAM, DVD, CAM, Bluetooth, Windows 10 Pro (Renewed)

• Refurbished Lenovo ThinkCentre M920z All-in-One Desktop has built-in 16GB DDR4 RAM and 256GB hard drive storage space, runs smoothly, responds quickly, and handles multi-application and multimedia workflows efficiently and quickly.
• Monitor & Display: This renewed Lenovo ThinkCentre M920z All-in-One Desktop with a 23.8-inch FHD TFT Monitor. The text is sharp and clear, and the colors are more vivid. Wide range of applications, suitable for study, work, entertainment, and Internet surfing.
• Processor: The Lenovo refurbished desktop is equipped with an Intel core i5-8500, 6-core processor with a turbo frequency of 3.0GHz up to 4.1GHz. The performance of the laptop prevents you from lagging in the process of use.
• Ports: This Lenovo i5 all-in-one desktop computer has 1 x Display Port | 1× DVD | 1 x USB 3.0 Gen 2 | 5 x USB 3.1 Gen1 | 1 x USB3.1 Gen1 Type-C | 1 x 2-in-1 headphone/microphone jack | 1 x RJ45 (network interface) | 1 x 3-in-1 card reader