Compare Lenovo ThinkStation P620 Tower vs Lenovo ThinkStation P520 vs HP Z4 G4

[[{"Ft":"Capacity","Fn":"Interior Volume","Fv":"33 L"},{"Ft":"Connectivity","Fn":"CPU Socket","Fv":"AMD SP3"},{"Ft":"Connectivity","Fn":"Expansion Slot","Fv":"2x Optical drives / 1x optical drive + 2x 3.5\u0026#34; SATA / 2x M.2 SSD removable drive enclosures / other I/O ports + 2x M.2 onboard + 9x via M.2 to PCIe adapter + 5x 3.5\u0026#34; (3 optional, 1 via Flex bay)"},{"Ft":"Connectivity","Fn":"PCI Express","Fv":"4x PCIe 4.0 x16 + 2x PCIe 4.0 x8"},{"Ft":"Connectivity","Fn":"Ports","Fv":"[Front] 4x USB 3.2 Gen2 + 2x USB 2.0 + 2x PS/2 + 1x RJ45 (10Gbps) + 1x Microphone + 1x Line-in + 1x Line-out + 2x optional serial | [Rear] 2x USB-C 3.2 Gen2 + 2x USB 3.2 Gen2 + 1x Audio combo + 1x optional SD card reader"},{"Ft":"Connectivity","Fn":"Wireless Connectivity","Fv":"WiFi 5 + Bluetooth 5.1 / none"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"ATX desktop computer"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"460 mm / 18.1\u0026#34;"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"446 mm / 17.6\u0026#34;"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"165 mm / 6.5\u0026#34;"},{"Ft":"Dimensions","Fn":"Weight","Fv":"24 kg / 52.91 lbs"},{"Ft":"Function","Fn":"Audio","Fv":"High Definition (HD) Audio, Realtek ALC662 codec"},{"Ft":"Function","Fn":"Chipset","Fv":"AMD WRX80"},{"Ft":"Function","Fn":"Graphics","Fv":"NVIDIA Quadro P620 2GB GDDR5 to P2200 5GB GDDR5 / RTX 4000 8GB GDDR6 to RTX 8000 48GB GDDR6 / GV100 32GB HBM2 / RTX A6000 48GB GDDR6"},{"Ft":"Function","Fn":"Operating System","Fv":"Windows 10 Pro, Ubuntu, or none"},{"Ft":"Function","Fn":"Operating Temperature","Fv":"10⁰ C to 35⁰ C"},{"Ft":"Function","Fn":"Optical Disc","Fv":"Optional 9mm optical drive (DVD-ROM, DVD±RW, or Blu-ray)"},{"Ft":"Function","Fn":"Processor","Fv":"AMD Ryzen Threadripper PRO 3945WX, 3955WX, 3975WX, or 3995WX"},{"Ft":"Function","Fn":"Security","Fv":"Discrete TPM 2.0, TCG certified"},{"Ft":"Performance","Fn":"Memory | Capacity","Fv":"8x DIMMs, up to 1TB, 8 channels"},{"Ft":"Performance","Fn":"Memory | Type","Fv":"DDR4 3200MHz ECC"},{"Ft":"Performance","Fn":"Power Supply","Fv":"1000W 80 PLUS Platinum"},{"Ft":"Performance","Fn":"Storage","Fv":"Up to 11x M.2 PCIe SSD + 5x SATA HDD"},{"Ft":"Production","Fn":"Debut","Fv":"2020"}],[{"Ft":"Capacity","Fn":"Interior Volume","Fv":"33 L"},{"Ft":"Connectivity","Fn":"CPU Socket","Fv":"FCLGA2066"},{"Ft":"Connectivity","Fn":"Expansion Slot","Fv":"2x Optical drives / 1x optical drive + 2x 3.5\u0026#34; SATA / 2x M.2 SSD removable drive enclosures / other I/O ports + 2x M.2 onboard + 7x via M.2 to PCIe adapter + 6x 3.5\u0026#34; (4 via Flex bay)"},{"Ft":"Connectivity","Fn":"PCI Express","Fv":"2x PCIe 3.0 x16 + 1x PCIe 3.0 x8 + 2x PCIe 3.0 x4 + 1x PCI"},{"Ft":"Connectivity","Fn":"Ports","Fv":"[Front] 4x USB 3.1 Gen1 + 2x USB 2.0 + 2x PS/2 + 1x RJ45 (1Gbps) + 1x Microphone + 1x Line-in + 1x Line-out + 2x optional USB-C 3.1 Gen2 + 1x optional Thunderbolt 3 + 1x serial | [Rear] 4x USB-C 3.1 Gen1 + 1x Headphone + 1x Microphone + 1x SD card reader "},{"Ft":"Connectivity","Fn":"Wireless Connectivity","Fv":"WiFi 5 + Bluetooth 4.2 / none"},{"Ft":"Construction","Fn":"Colors","Fv":"Black"},{"Ft":"Construction","Fn":"Form Factor","Fv":"ATX desktop computer"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"460 mm / 18.1\u0026#34;"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"440 mm / 17.3\u0026#34;"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"165 mm / 6.5\u0026#34;"},{"Ft":"Dimensions","Fn":"Weight","Fv":"24 kg / 52.91 lbs"},{"Ft":"Function","Fn":"Audio","Fv":"High Definition (HD) Audio, Realtek ALC662 codec"},{"Ft":"Function","Fn":"Chipset","Fv":"Intel C422 chipset"},{"Ft":"Function","Fn":"Graphics","Fv":"NVIDIA NVS 810 4GB DDR3 / Quadro P400 2GB GDDR5 to P5000 16GB GDDR5X / Quadro RTX 4000 8GB GDDR6 to RTX 8000 48GB GDDR6 / Quadro GP100 16GB HBM2 / Quadro GV100 32GB HBM2"},{"Ft":"Function","Fn":"Operating System","Fv":"Windows 10 Pro, Ubuntu, or none"},{"Ft":"Function","Fn":"Operating Temperature","Fv":"10⁰ C to 35⁰ C"},{"Ft":"Function","Fn":"Optical Disc","Fv":"Optional 9mm optical drive (DVD-ROM, DVD±RW, or Blu-ray)"},{"Ft":"Function","Fn":"Processor","Fv":"Intel Xeon W-2100 or W-2200 series processors (up to Xeon W-2295)"},{"Ft":"Function","Fn":"Security","Fv":"Discrete TPM 2.0, TCG certified"},{"Ft":"Performance","Fn":"Memory | Capacity","Fv":"8x DIMMs, up to 256GB DDR4-2666 w/ Xeon W-2100 series or up to 512GB DDR4-2933 w/ Xeon W-2200 series, 4 channels"},{"Ft":"Performance","Fn":"Memory | Type","Fv":"DDR4 2666MHz or 2933MHz ECC"},{"Ft":"Performance","Fn":"Power Supply","Fv":"690W / 900W / 1000W 80 PLUS Platinum"},{"Ft":"Performance","Fn":"Storage","Fv":"Up to 9x M.2 PCIe SSD + 1x PCIe AIC SSD + 6x SATA HDD"},{"Ft":"Production","Fn":"Debut","Fv":"2020"}],[{"Ft":"Connectivity","Fn":"Expansion Slot","Fv":"2x M.2 PCIe 3.0 x4 + 1x PCIe 3.0 x16"},{"Ft":"Connectivity","Fn":"Ports","Fv":"[Front] 2x Audio + 2x PS/2 + 1x Serial + 2x RJ-45 1Gb + 6x USB 3.1 Gen1 | [Rear] 1x Headphone + 2x USB-C 3.1 Gen2 + 2x USB 3.1 Gen1"},{"Ft":"Connectivity","Fn":"Wireless Connectivity","Fv":"WiFi 6 + Bluetooth 5"},{"Ft":"Construction","Fn":"Form Factor","Fv":"ATX desktop computer"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"386 cm / 15.2 inch"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"445 mm / 17.5 inch"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"169 mm / 6.65 inch"},{"Ft":"Dimensions","Fn":"Weight","Fv":"From 22.4 lbs / 10.2 kg"},{"Ft":"Function","Fn":"Chipset","Fv":"Intel C422 or X299"},{"Ft":"Function","Fn":"Graphics","Fv":"AMD Radeon Pro WX 3100 4GB, WX 3200 4GB, W 5500 8GB, W 5700 8GB, WX 7100 8GB, or WX 9100 16GB or NVIDIA Quadro P400 2GB, P620 2GB, P1000 4GB, P2200 5GB, RTX 4000 8GB, RTX 5000 16GB, RTX 6000 24GB, RTX 8000 48GB, or GV100 32GB"},{"Ft":"Function","Fn":"Graphics","Fv":"AMD Radeon Pro WX 3100 4GB, WX 3200 4GB, W 5500 8GB, W 5700 8GB, WX 7100 8GB, or WX 9100 16GB or NVIDIA Quadro P400 2GB, P620 2GB, P1000 4GB, P2200 5GB, RTX 4000 8GB, RTX 5000 16GB, RTX 6000 24GB, RTX 8000 48GB, or GV100 32GB"},{"Ft":"Function","Fn":"Misc","Fv":"Optional PCIe dual Gb or dual 10Gb Networking"},{"Ft":"Function","Fn":"Operating System","Fv":"Windows 10 Pro"},{"Ft":"Function","Fn":"Optical Disc","Fv":"Optional DVD-ROM, DVD-RW, or Blu-ray Writer + Optional 2nd DVD Writer or Blu-ray Writer"},{"Ft":"Function","Fn":"Processor","Fv":"Intel Core i9-10900X, i9-10920X, i9-10940X, or i9-10980XE or Intel Xeon W-2123, W-2223, W-2125, W-2225, W-2235, W-2133, W-2245, W-2255, W-2265, W-2275, or W-2295"},{"Ft":"Function","Fn":"Security","Fv":"HP Solenoid Lock/Hood Sensor (TWR), Convert TPM to 1.2"},{"Ft":"Performance","Fn":"Memory | Capacity","Fv":"Up to 512 GB with ECC (8x DIMMs)"},{"Ft":"Performance","Fn":"Memory | Type","Fv":"DDR4 2666MHz or 2933MHz"},{"Ft":"Performance","Fn":"Power Supply","Fv":"465W, 750W, or 1000W"},{"Ft":"Performance","Fn":"Storage","Fv":"Up to 480GB Intel Optane PCIe SSD + 4x PCIe internal storage + 2x M.2 storage + 4x 3.5\u0026#34; HDD/SSD + Removable internal storage"},{"Ft":"Production","Fn":"Debut","Fv":"2020"}]]