This product is either discontinued or we cannot get that from suppliers.
NAS server, Quad-core Intel Celeron 2.0GHz, Intel HD Graphics, 8GB, 2 x SO-DIMM, 512MB, 4 x 2.5" or 3.5" SATA 6Gb/s, 3Gb/s HDD or SSD, 3.5-inch SATA hard disk drives, 2.5-inch SATA hard disk drives, 2.5-inch SATA solid state drives, RAID SATA 6Gb/s - RAID 0, 1, 5, 6 ,10, JBOD, 5 hot spare, 10Mb LAN 100Mb LAN, GigE, AC 120/230 V.
The QNAP 4 Bay CEL QC-2.0GHz 8GB No Disk NAS TS-451PLUS-8G is a high-capacity, robust, and reliable business NAS powered by Quad-core Intel Celeron 2.0GHz (burst up to 2.42GHz), 8GB DDR3L RAM system memory.