Synology RackStation RS4021xs+ 16-Bay NAS Enclosure, Intel Xeon D-1541 8-Core 2.1GHz, 16x 3.5"/2.5" SATA Drive Bays, 16GB DDR4 RAM, 2x 10GbE RJ45 | 4x GbE RJ45, 2x PCIe 3.0 x8, Black | RS4021XS

Availability:: In Stock
Product Code:: RS4021XS
Brand:: Synology

QAR 23,340.07

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Designed for high throughput and data integrity, the RackStation RS4021xs+ 16-Bay NAS Enclosure from Synology is a 16-bay, 3 RU storage solution with built-in redundant power that is capable of hosting demanding services involving virtualization, mail, office collaboration, and surveillance, to meet the unique requirements of enterprise environments. This unit has 16 drive bays, each of which natively supports 3.5" SATA hard drives, as well as 2.5" SATA hard drives and SSDs. Should users need to expand the overall capacity of their RS4021xs+, two optional RX1217/RX1217RP expansion units may be used to connect up to 24 additional drive bays, and each unit is connected using an integrated expansion port. The RS4021xs+ can deliver 4K random reads of up to 234,698 IOPS and sequential reads of up to 6258 MB/s.

Key Features

16 x 3.5"/2.5" SATA Drive Bays
2.1 GHz Intel Xeon D-1541 Eight-Core
16GB of DDR4 ECC RAM
2 x 10GbE RJ45 | 4 x GbE RJ45
2 x USB 3.2 Gen 1 Type-A Ports
RAID 0, 1, 5, 6, 10, Basic, F1, and JBOD
2 x PCIe 3.0 x8/x8 Slots
AES-NI Hardware Encryption Engine
Synology DiskStation Manager OS

Specifications

CPU	CPU Model	Intel Xeon D-1541
	CPU Quantity	1
	CPU Architecture	64-bit
	CPU Frequency	8-core 2.1 (base) / 2.7 (turbo) GHz
	Hardware Encryption Engine (AES-NI)
Memory	System Memory	16 GB DDR4 ECC UDIMM
	Memory Module Pre-installed	16 GB (16 GB x 1)
	Total Memory Slots	4
	Maximum Memory Capacity	64 GB (16 GB x 4)
	Notes	Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. 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. For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
Storage	Drive Bays	16
	Maximum Drive Bays with Expansion Unit	40 (RX1217/RX1217RP x 2)
	Compatible Drive Type* (See all supported drives)	3.5" SATA HDD 2.5" SATA SSD
	Hot Swappable Drive*
	Notes	It is strongly recommended that you only install drives listed on your device's compatibility list. Storage pool and volume creation processes may fail when using unverified drives. Synology is unable to provide technical support for devices using unsupported components. "Compatible drive type" 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)
	RJ-45 10GbE LAN Port	2 (with Link Aggregation / Failover support)
	USB 3.2 Gen 1 Port*	2
	Expansion 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	2 x Gen3 x8 slots (x8 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	Form Factor (RU)	3U
	Size (Height x Width x Depth)	132.3 mm x 482 mm x 656.5 mm
	Weight	17.4 kg
	Rack Installation Support*	4-post 19" rack (Synology Rail Kit - RKS-02)
	Notes	The rail kit is sold separately
Others	System Fan	80 mm x 80 mm x 3 pcs
	Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
	Easy Replacement System Fan
	Power Recovery
	Noise Level*	44.7 dB(A)
	Scheduled Power On / Off
	Wake on LAN / WAN
	Power Supply Unit / Adapter	800 W 550 W
	Redundant Power Supply
	AC Input Power Voltage	100 V to 240 V AC
	Power Frequency	50/60 Hz, Single Phase
	Power Consumption	145.79 W (Access) 62.68 W (HDD Hibernation)
	British Thermal Unit	497.14 BTU/hr (Access) 213.74 BTU/hr (HDD Hibernation)
	Notes	To learn which PSU module is adopted on your system, please refer to the Product Change Notification and check the 3-digit serial number accordingly. Power consumption is measured when it is fully loaded with Synology 8TB HAT5300-8T hard drive(s). Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
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)
	Relative Humidity	5% to 95% RH
Certification	FCC CE BSMI VCCI RCM EAC CCC KC UL

General

Brand

Synology

Model

RS4021XS

Microless SKU

120177

Date first available

11 May, 2023

Shipping Weight

17.40 Kg

Shipping Dimensions

48.00 cm x 65.00 cm x 13.20 cm

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