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
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.
- Power button and indicator
- Alert Off Button
- Drive tray
- Drive status indicator
- PSU fan
- Power Port
- PSU Indicators & Alert Off Buttons
- Console port
- 1GbE/10GbE RJ-45 Ports
- USB 3.2 Ports
- Expansion port
- PCIe expansion slot
- 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 |