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Part Number:
495504
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Manuf No:
RS4021XS+
Shipping Weight:
17.4 KG (Includes product packaging)
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All stock codes associated to this product
RS4021xs+, SY40140, RS4021XS+, 29RS4021XS+, 4711174724086

Synology RackStation RS4021xs+

 

Overview

Enterprise NAS with built-in service continuity engineered for data-intensive applications.

Securing your business assets

The 16-bay RS4021xs+ provides solid data security and lightening-fast performance with over 234K 4K random read IOPS and 6,258 MB/s sequential read throughput1. Together with its 8-core processor, ECC memory, advanced snapshot technology, and built-in 10GbE connectivity, the RS4021xs+ can support large multi-user environments while handling data-intensive workloads.

Engineered for service continuity

The RS4021xs+ ensures mission-critical data is always available, enabling businesses to deliver the best results, even in the face of disaster.

Redundant power

Dual PSUs provide protection against a PSU failure or accidental cord removal while hot-swappable fans can be replaced without powering down the system.

Customize to your business

The RS4021xs+ includes two PCIe slots for performance, networking, and storage upgrades enabling it to adapt to any business environment.

5-year warranty

5-year warranty

At Synology, we are committed to product innovation and quality. The RS4021xs+ is backed by a 5-year limited warranty that includes technical support and hardware replacement services to maximize your return on investment.

product RS4021xsplus front view photo

product RS4021xsplus back view photo

  1. Power button and indicator
  2. Alert Off Button
  3. Drive tray
  4. Drive status indicator
  5. PSU fan
  6. Power Port
  7. PSU Indicators & Alert Off Buttons
  8. Console port
  9. 1GbE/10GbE RJ-45 Ports
  10. USB 3.2 Ports
  11. Expansion port
  12. PCIe expansion slot
  13. Reset button

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)

Yes

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

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 on the recommended memory configurations, visit here.

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.

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

Maximum Single Volume Size*

200 TB (32 GB memory required)

108 TB

Hot Swappable Drive

Yes

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.

Each internal volume (may consist of multiple drives) is expandable up to 108 TB (with memory less than 32 GB) or 200 TB (with memory equal to or greater than 32 GB).

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 is purchased separately 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 - RKS1317)

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

Yes

Power Recovery

Yes

Noise Level*

44.7 dB(A)

Scheduled Power On / Off

Yes

Wake on LAN / WAN

Yes

Power Supply Unit / Adapter

800 W

Redundant Power Supply

Yes

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

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: 24.25-25.75C; Humidity: 58.2-61.8%

Temperature

Operating Temperature

0C to 35C (32F to 95F)

Storage Temperature

-20C to 60C (-5F to 140F)

Relative Humidity

5% to 95% RH

Certification

FCC

CE

BSMI

VCCI

RCM

EAC

CCC

KC

UL

Warranty

5 Years

Notes

The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment

RoHS Compliant

No additional files, specification sheets, guides or documentation found for product.

Warranty: 60 Month Manufacturers Return To Base

Full manufacturers warranty details are available at the manufacturers (Synology) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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