CPU Intel Xeon D-2142IT 8-core 1.90 GHz processor (burst up to 3.0 GHz) per controller CPU Architecture 64-bit x86 Floating Point Unit Yes Encryption Engine Yes (AES-NI) System Memory 64 GB RDIMM DDR4 ECC (4 x 16 GB) per controller Maximum Memory,br.512 GB (8 x 64GB) Memory Slot 8 x R-DIMM/LR-DIMM DDR4 IMPORTANT: You can only use one type of dual in-line memory module (DIMM) at a time. Do not use registered DIMM (RDIMM) with load-reduction DIMM (LRDIMM) memory. Flash Memory 4GB (Dual boot OS protection) Drive Bay 24 x 2.5-inch SAS 12Gb/s, backward-compatible to SAS 6Gb/s Drive Compatibility 2.5-inch bays: 2.5-inch SAS/SATA hard disk drives 2.5-inch SAS/SATA solid state drives 1. When installing SATA HDD/SSD, QDA-SA3 adapter is required. 2. The QDA-SA3 adapter is designed for QNAP Enterprise ZFS NAS and allows the use of a SATA 6Gbps drive in a 2.5-inch SAS drive bay Hot-swappable Yes SSD Cache Acceleration Support Yes Read cache only Cache for Copy To Flash (C2F) 1 per each controller (64GB) Gigabit Ethernet Port (RJ45) 3 for each controller (one for remote management) 10 Gigabit Ethernet Port 4 x 10GbE SFP+ for each controller Wake on LAN (WOL) Yes Jumbo Frame Yes PCIe Slot 2 Slot 1: PCIe Gen 3 x8 (CPU) Slot 2: PCIe Gen 3 x8 (CPU) USB 3.2 Gen 1 port 2 per each controller Form Factor 2U Rackmount