purchase of work station dell precision 7820 tower xcto base or any equivalent , computer workstation , 1.make: dell precision 7820 tower xcto baseorany equivalent 2. processor : 02 nos. x intel xeon silver 4215r3.2 ghz, ( 4.0 ghz turbo, 8c, 9.6gt / s2upi, 11mb cache, ht ( 130w ) ddr4-2400 processor ) or higher 3. ram : 128gb ddr4 2666mhz rdimm ecc 4. operating system : ubuntu linux based 5. hard disk : 2tbssd 6. graphic card : nvidia quadro 8gb or higher 7. i / o port : front : 2 – usb 3.1 gen 1 type a, 2 – usb 3.1 type c, 1 –universal headphone jack, up to 2 ( future 4 ) x4 pcie slots in pcie enabled chassis for m.2 and u.2 ( future ) pcie ssds, 8. internal : 1 – usb 2.0, 1 – 2 x 5 usb 2.0 header. ( requires 3rd party splitter cable to support 2 x usb 2.0 type a ports ) , 8 – sata @6gb / s, 9. rear : 6 – usb 3.1 gen 1 type a, 1 – serial, 1– rj45 network, 2 – ps2, 1 – audio line out, 1 – audio line in / microphone 10. keyboard : dell wired keyboard kb216 black 11. mouse : dell optical mouse - ms116 – black 12. form factor / chassis : tower 13. power supply : dual power supply or better 14. monitor : dell 27 inch monitor 15. warranty : three years warranty onsite