The 41xx, 61xx, 62xx models take the 64bit version all other supported controlers use the 32bit image.  Important note: There are now two separate kits available within the V7.0.1 Firmware .zip file: 32-bit and 64-bit. After you download the .zip file, when you install the update, the wizard will ask you to select the kit to install. Select the 32-bit kit for the following array models: PS4000, PS-M4110  PS5000, PS5500E  PS6000, PS6010  PS6500, PS6510  Select the 64-bit kit for the following array models:  PS4100, PS4110  PS6100, PS6110  PS6210 
Hi, we are planning on upgrading to the latest 7.0.1 firmware and I noticed there are two files. One has 64 at the beginning. Wondering what file I should use and the differences between the two. I couldn't really find any documentation.  Thanks,
New 7.0.1 firmware - which file to install?