Synology RackStation RS4021xs+
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Catalog Synology 2026 - new arrivals, bestsellers, and the most relevant models Synology.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Synology RS4021XS+ Synology 16-Bay NAS RackStation (Diskless) Refurbished RS4021XS+ | $7,422.20 |  | |||
| $7,632.91 |  | ||||
Synology - 16 bay RackStation RS4021xs+ (Diskless) - Unknown RS4021xs+ | $8,968.23 |  | |||
Series Synology RackStation (rack)Compare using chart →
rack, without drive, connection: 3.5" 8, LAN: 4 ports, 1 Gbps, CPU: AMD RyzenTM V1500B, 4 cores (8 threads), 2.2 GHz, mail server
rack, without drive, connection: 3.5" 4, PCIe 1 pcs, LAN: 4 ports, 1 Gbps, CPU: AMD Ryzen V1500B, 4 cores (8 threads), 2.2 GHz, mail server, card reader
rack, without drive, connection: 3.5" 4, PCIe 1 pcs, LAN: 4 ports, 1 Gbps, CPU: AMD Ryzen V1500B, 4 cores (8 threads), 2.2 GHz, mail server, card reader
rack, without drive, connection: 3.5" 12, PCIe 1 pcs, LAN: 1 Gbps, 10 Gbps, CPU: AMD Ryzen V1780B, 4 cores (8 threads), 3.35 GHz, TurboBoost 3.6 GHz, mail server
rack, without drive, connection: 3.5" 8, LAN: 4 ports, 1 Gbps, CPU: AMD RyzenTM V1500B, 4 cores (8 threads), 2.2 GHz, mail server
rack, without drive, connection: 3.5" 12, PCIe 2 pcs, LAN: 4 ports, 1 Gbps, CPU: Intel Xeon D-1541, 8 cores (16 threads), 2.1 GHz, TurboBoost 2.7 GHz, mail server
rack, without drive, connection: 3.5" 16, PCIe 1 pcs, LAN: 4 ports, 1 Gbps, CPU: AMD Ryzen V1500B, 4 cores (8 threads), 2.2 GHz, mail server
without drive, connection: 3.5" 16, LAN: 1 port, 100 Mbps, CPU: Intel Xeon D-1541, 8 cores (16 threads), 2.1 GHz, TurboBoost 2.7 GHz, mail server
rack, without drive, connection: 3.5" 4, LAN: 2 ports, 1 Gbps, CPU: 1.67 GHz, mail server
rack, without drive, connection: 3.5" 12, LAN: 4 ports, 1 Gbps, CPU: Intel Xeon E3-1230 v2, mail server
rack, without drive, connection: 3.5" 16, PCIe 2 pcs, LAN: 1 Gbps, 10 Gbps, CPU: Intel Xeon D-1541, 8 cores (16 threads), 2.1 GHz, TurboBoost 2.7 GHz, transcoding, mail server
rack, without drive, connection: 3.5" 16, PCIe 1 pcs, LAN: 4 ports, 1 Gbps, CPU: Intel Atom C3538, 4 cores (4 threads), 2.1 GHz, transcoding, mail server
rack, without drive, connection: 3.5" 12, PCIe 1 pcs, LAN: 1 Gbps, 10 Gbps, CPU: AMD Ryzen V1780B, 4 cores (8 threads), 3.35 GHz, TurboBoost 3.6 GHz, mail server
rack, without drive, connection: 3.5" 12, PCIe 1 pcs, LAN: 4 ports, 1 Gbps, CPU: Intel Atom C3538, 4 cores (4 threads), 2.1 GHz, transcoding, mail server
rack, without drive, connection: 3.5" 16, PCIe 1 pcs, LAN: 1 Gbps, 10 Gbps, CPU: AMD Ryzen V1780B, 4 cores (8 threads), 3.35 GHz, TurboBoost 3.6 GHz, mail server
rack, without drive, connection: 3.5" 12, PCIe 2 pcs, LAN: 4 ports, 1 Gbps, CPU: Intel Xeon D-1521, 4 cores (8 threads), 2.4 GHz, TurboBoost 2.7 GHz, transcoding, mail server
rack, without drive, connection: 3.5" 16, M.2 2, PCIe 1 pcs, LAN: 4 ports, 1 Gbps, CPU: Intel Xeon D-1527, 4 cores (8 threads), 2.2 GHz, TurboBoost 2.7 GHz, transcoding, mail server
rack, without drive, connection: 3.5" 4, LAN: 2 ports, 1 Gbps, CPU: Realtek RTD1296, 4 cores (4 threads), 1.4 GHz, transcoding, mail server
rack, without drive, connection: 3.5" 4, PCIe 1 pcs, LAN: 4 ports, 1 Gbps, CPU: Intel Atom C3538, 4 cores (4 threads), 2.1 GHz, mail server, card reader
rack, without drive, connection: 3.5" 4, PCIe 1 pcs, LAN: 4 ports, 1 Gbps, CPU: Intel Atom C3538, 4 cores (4 threads), 2.1 GHz, mail server
Video reviews
Synology RS4021xs+ Unboxing | First time power up | Basic configurations | Installation of 16TB HDD
14 March 20232 366 view
[Unboxing] Synology Rackstation RS4021XS+
5 February 2024795 view
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without drive, connection: 3.5" 4, PCIe 2 pcs, LAN: 2 ports, 2.5 Gbps, CPU: AMD Ryzen Embedded V1500B, 4 cores (8 threads), 2.2 GHz, USB-C
rack, without drive, connection: 3.5" 4, PCIe 1 pcs, LAN: 2 ports, 2.5 Gbps, CPU: 4 cores (4 threads), 2 GHz, TurboBoost 2.9 GHz, mail server
rack, without drive, connection: 3.5" 4, M.2 2, LAN: 2 ports, 2.5 Gbps, CPU: Marvell OCTEON TX2 CN9130 / CN9131 (ARM), 4 cores (4 threads), 2.2 GHz, mail server, SFP+
without drive, connection: 3.5" 6, PCIe 1 pcs, LAN: 2 ports, 2.5 Gbps, CPU: Alpine AL524, 4 cores (4 threads), 2 GHz, mail server, SFP+
rack, without drive, connection: 3.5" 4, LAN: 1 port, 2.5 Gbps, CPU: ARM Cortex-A55, 4 cores (4 threads), 2 GHz, mail server
without drive, connection: 3.5" 5, 2.5" 4, LAN: 2.5 Gbps, 10 Gbps, CPU: AMD Ryzen Embedded V1500B, 4 cores (8 threads), 2.2 GHz, ZFS, transcoding, mail server, Chromecast, USB-C
without drive, connection: 3.5" 2, LAN: 1 port, 1 Gbps, CPU: ARM Cortex-A55, 4 cores (4 threads), 1.8 GHz
without drive, connection: 3.5" 2, M.2 2, LAN: 1 port, 2.5 Gbps, CPU: Intel N100, 4 cores (4 threads), TurboBoost 3.4 GHz, HDMI, USB-C
without drive, connection: 3.5" 5, 2.5" 4, LAN: 2 ports, 2.5 Gbps, CPU: AnnapurnaLabs Alpine AL324, 4 cores (4 threads), 1.7 GHz, mail server, SFP+, Chromecast
without drive, connection: 3.5" 4, M.2 2, LAN: 2 ports, 2.5 Gbps, 10 Gbps, CPU: Intel Pentium Gold 8505, 5 cores (6 threads), TurboBoost 4.4 GHz, HDMI, card reader, USB-C
without drive, connection: 3.5" 4, LAN: 1 port, 2.5 Gbps, CPU: Realtek RTD1619B, 4 cores (4 threads), 1.7 GHz, transcoding, mail server, Chromecast
without drive, connection: 3.5" 6, M.2 2, PCIe 1 pcs, LAN: 2 ports, 10 Gbps, CPU: Intel i5-1235U, 10 cores (12 threads), TurboBoost 4.4 GHz, HDMI, card reader, Thunderbolt