 The iPad was equipped with 16 GB , 32 GB , or 64 GB of memory . Furthermore , the device was available with two connectivity options : Wi @-@ Fi only or Wi @-@ Fi and Cellular . Unlike its successors , the Wi @-@ Fi + Cellular variant of the first @-@ generation iPad could only support carriers that utilized GSM / UMTS standards and was not compatible with CDMA networks ; however , like its successors , assisted GPS services are supported . 
