Brand |
Synology |
Model |
RS4021xs+ |
Port RJ-45 |
2 x 10GbE + 4 x 1GbE |
Port USB |
2 x USB 3.2 Gen 1 |
HDD Interface |
16 x SATA (16 x Bay) |
Form Factor |
16-Bay |
Processor |
Intel Xeon D-1541 8-core (16-thread) 2.1GHz |
Default/ Max. Memory |
16GB DDR4 / 64GB Max |
Included HDD Capacity |
Diskless System |
Drive Compatibility |
Only drives listed on the compatibility list can be used to create storage pools*
Only Synology SAT5200 2.5" or Synology SNV3500 series SSDs (sold reparately) can be used to create SSD caches**
* Check Synology compatibility list for supported drives.
** SSD cache can be enabled by using Synology SAT5200 2.5" SSDs or without occupying drive bays by installing Synology SNV3500 NVMe SSDs using M2D20 or E10M20-T1 adapter cards, sold separately. |
RAID |
RAID 0, 1, 5, 6, 10, JBOD, Synology RAID F1, Basic |
Supported Protocols |
SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP) |
Power |
100 V to 240 V AC, 50/60 Hz, single phase |
Temperature |
Operating temperature: 0°C to 35°C (32°F to 95°F)
Storage temperature: -20°C to 60°C (-5°F to 140°F) |
Humidity |
5% to 95% RH |
Features |
Accelerated Performance
Up to 234,698 random read IOPS and 6,258 MB/s sequential read performance
Powerful Compute
Host multiple compute-intensive services with its 8-core Intel processor
Upgradability
Two PCIe expansion slots allow for M.2 NVMe cache adapters and high-bandwidth network cards
Redundant Power
Ensure business continuity with two redundant power supplies
On-demand Scalability
Supports up to 40 drive bays using two RX1217(RP) |
Usage |
Ultra high prerformance for large number of users |
Dimensions |
5.21" x 18.98" x 25.85" |
Weight |
38.36 lbs. |
Package Contents |
1 x RS4021xs+ main unit
1 x Quick Installation Guide
1 x Accessory pack
2 x AC power cords |