Whats the difference between the Advice PRS850 UPS and the Advice PRV850 UPS for example ? the PRS is 136 USD and the PRV is 99 USD , why the 37$ difference , same manufacturer . And what does the " 850 " mean ? 850 Watts ? Thank you all for your help " here are my specs and if the 850 stands for watts then should i get it or get the 1k? "
CPU : Intel Core i7-4790
RAM : Corsair 8GB DDR3 1600MHz CML8GX3M2A1600C9B
PSU : Corsair CS750M CP-9020078 Semi Modular 750W
SSHD : Seagate SSHD 1TB ST1000DX001
Motherboard : Gigabyte GA-B85M-HD3
Gpu : Sapphire AMD Radeon R9 280X Vapor-X 3GB GDDR5 OC (UEFI)
CPU : Intel Core i7-4790
RAM : Corsair 8GB DDR3 1600MHz CML8GX3M2A1600C9B
PSU : Corsair CS750M CP-9020078 Semi Modular 750W
SSHD : Seagate SSHD 1TB ST1000DX001
Motherboard : Gigabyte GA-B85M-HD3
Gpu : Sapphire AMD Radeon R9 280X Vapor-X 3GB GDDR5 OC (UEFI)