Synology RackStation RS3621xs+ 12 Bay Intel Xeon D-1541 8G DDR4 4xGbE 2x10GbE 2 x Gen3 x8 slots 2xUSB3.2 2U 5YR WTY RS3621xs+

The 12-bay RS3621xs+ is capable of delivering over 238K 4K random read IOPS and 5,819 MB/s sequential read throughput1— a true enterprise powerhouse. With full power supply redundancy, an 8-core processor, ECC memory, advanced snapshot technology, and file self-healing, the RS3621xs+ provides a reliable foundation to any data-driven business.

CPU Model Intel Xeon D-1541
CPU Quantity 1
CPU Architecture 64-bit
CPU Frequency 8-core 2.1 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine (AES-NI)
System Memory 8 GB DDR4 ECC UDIMM
Memory Module Pre-installed 8 GB (8 GB x 1)
Maximum Memory Capacity 64 GB (16 GB x 4)
Drive Bays 12
Maximum Drive Bays with Expansion Unit 36 (RX1217/RX1217RP x 2)
Compatible Drive Type* (See all supported drives) 3.5″ SATA HDD 2.5″ SATA SSD
Maximum Single Volume Size* 200 TB (32 GB memory required)108 TB
Hot Swappable Drive
RJ-45 1GbE LAN Port 4
RJ-45 10GbE LAN Port 2
USB 3.2 Gen 1 Port* 2
Expansion Port 2
PCIe Expansion 2 x Gen3 x8 slots (x8 link)
Form Factor (RU) 2U
Power Supply Unit / Adapter 500 W
AC Input Power Voltage 100 V to 240 V AC
Operating Temperature 0°C to 35°C (32°F to 95°F)
5YR WTY

Mention: If NAS use over 8TB HDD, please only chose Synolgy Brand HDD
https://www.synology.com/en-global/compatibility