Synology RackStation RS3621RPxs 12-Bay Intel Xeon D-1531 8 GB DDR4 Hot Swappable 4x1GbE 2xUSB 3.2 2 x Gen3 x8 slots 2U Redundant Power Supply 5YR WTY

Synology RS3621RPxs is a powerful 12-bay storage server. Its 6-core processor enables compute-intensive services while its redundant power, ECC memory, and Btrfs file system safeguard mission-critical data. Capable of delivering 189,098 4K random read IOPS and 4,718 MB/s sequential read throughput1, it is ideal for small businesses.

CPU Model Intel Xeon D-1531
CPU Architecture 64-bit
CPU Frequency 6-core 2.2 (base) / 2.7 (turbo) GHz
System Memory 8 GB DDR4 ECC UDIMM
Maximum Memory Capacity 64 GB (16 GB x 4)
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 RAM required, for RAID 5 or RAID 6 groups only) 108 TB
Hot Swappable Drive
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port* 2
Expansion Port 2
PCIe Expansion 2 x Gen3 x8 slots (x8 link)
Form Factor (RU) 2U
Rack Installation Support* 4-post 19″ rack (Synology Rail Kit – RKS1317)
System Fan 80 mm x 80 mm x 4 pcs
Power Supply Unit / Adapter 500 W
AC Input Power Voltage 100 V to 240 V AC
Redundant Power Supply
Operating Temperature 0°C to 35°C (32°F to 95°F)
Warranty 5 Years

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