This product is either discontinued or we cannot get that from suppliers.
QNAP TS-231P3-2G 2 Bay Diskless NAS, AnnapurnaLabs Alpine AL314 4-core 1.7GHz, 2GB , 2x 3.5" SATA HDD or SSDs, Hot-swappable, 1x Gigabit Ethernet, 1x 2.5 Gigabit Ethernet, 3x USB 3.2 Gen 1, 90W Power Adapter.
Powered by Annapurna Labs Alpine AL-314, quad-core 1.7 GHz processor, 2GB DDR3L RAM, one 1GbE LAN port and one 2.5GbE LAN port, the TS-231P3 features a 2.5GbE RJ45 port, providing up to 2.5 times the speed of regular Gigabit Ethernet.