This product is either discontinued or we cannot get that from suppliers.
Asustor AS6404T 4 Bay Diskless Desktop NAS, Intel Celeron J3455 1.5GHz Quad-Core (burst up to 2.3GHz), 8GB (2x4GB) DDR3L, 4x 3.5" SATA 3 6GB/s HDD, 3x USB 3.0 Type-A, 1x USB 3.0 Type-C Port, 2x RJ45.
Asustor 4 Bay Nas Apollo Lake Quad-Core CPU 4K/UHD (AS6404T) is equipped with the Intel Celeron (Apollo Lake) sixth generation 14nm process built quad-core processor.