• XS+/XS Series NAS


• Rack 3U 16-bay


• 16x 3.5i or 2.5i SATA SSD/HDD (drives not included).


• Max drive bays with 2x RX1217 (12 bays) expansion unit via Infiniband connector


• 2x PCIe expansion slot - Gen3 x8 network or M.2 upgrade


• Redundant power supply included


• SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP, OpenVPN, L2TP)

Specification

Product
Product id	710629
Brand	Synology
Partnr	RS4021XS+
EAN/UPC code	4711174724086
Warranty (months)	60 months
Product information sheet(s)
Storage
Number of storage drives supported	16
Hot-swap drive bays	Y
Processor
Processor manufacturer	Intel
Processor family	Intel Xeon
Processor model	D-1541
Number of processors installed	1
Memory
Internal memory	16 GB
Number of memory slots	4
Maximum memory	64 GB
Network
Gigabit Ethernet (copper) ports quantity	4
10G Ethernet ports quantity	2
Ports & interfaces
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
Design
Chassis type	Rack (3U)
Ventilation fan(s)	3x (80 x 80 x 32 mm)
Performance
Noise level	44.7 dB
Weight & dimensions
Weight	17400 g
Dimensions (WxDxH)	482 x 656.5 x 132.3 mm
InfiniBand	2