SYNOLOGY 6 Bay NAS DiskStation DS1621+

CPU Model AMD Ryzen V1500B CPU Quantity 1 CPU Architecture 64-bit CPU Frequency 4-core 2.2 GHz Hardware Encryption Engine (AES-NI) Memory System Memory 4 GB DDR4 ECC SODIMM Memory Module Pre-installed 4 GB (4 GB x 1) Total Memory Slots 2 Maximum Memory Capacity 32 GB (16 GB x 2) Notes Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. Synology reserves the right to replace memory modules with the same or higher frequency based on supplier #39;s product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Storage Drive Bays 6 Maximum Drive Bays with Expansion Unit 16 (DX517 x 2) M.2 Drive Slots 2 (NVMe) Compatible Drive Type* (See all supported drives) 3.5 #34; SATA HDD 2.5 #34; SATA HDD 2.5 #34; SATA SSD M.2 2280 NVMe SSD Hot Swappable Drive Notes #34;Compatible drive type #34; indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. External Ports RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support) USB 3.2 Gen 1 Port* 3 eSATA Port 2 Notes The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. PCIe PCIe Expansion 1 x Gen3 x8 slot (x4 link) File System Internal Drives Btrfs EXT4 External Drives Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT Notes exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center. Appearance Size (Height x Width x Depth) 166 mm x 282 mm x 243 mm Weight 5.1 kg Others System Fan 92 mm x 92 mm x 2 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Easy Replacement System Fan Brightness Adjustable Front LED Indicators Power Recovery Noise Level* 25.2 dB