supply of 4 gb ram and 512 gb ssd4 gb ram and 512 gb ssd,512gb ssd (solid state drive) hard disk drive for desktop computer with 5years warranty spec .: capacity drive: 512gb, type of drive: ssd, interface type: nvme, synchronous transfer rate (maximum): 540mb/s warranty: 5 years. suitable for acer, hp and lenovo make desktop computer. [ warranty period: 6 0 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , ram (random access memory) ddr 4, bus speed 2666 mhz, 4gb capacity for des ktop computer with 3 years warranty suitable for acer, hp and lenovo make desktop computers. [ warranty period: 36 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited