Synology DiskStation DS1821+ 8-Bay NAS Enclosure (DS1821+)

Hardware Specifications
CPU
CPU Model
AMD Ryzen V1500B

CPU Quantity
1

CPU Core
4

CPU Architecture
64-bit

CPU Frequency
2.2 GHz

Hardware Encryption Engine
Yes

Memory
System Memory
4 GB DDR4 ECC SODIMM

Memory Module Pre-installed
4 GB (4 GB x 1)

Total Memory Slots
2

Maximum Memory Capacity
32 GB (16 GB x 2)

Storage
Drive Bays
8

Maximum Drive Bays with Expansion Unit
18 (DX517 x 2)

M.2 Drive Slots
2 (NVMe)

Compatible Drive Type
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
M.2 2280 NVMe SSD

Hot Swappable Drive
Yes

External Ports
RJ-45 1GbE LAN Port
4

USB 3.2 Gen 1 Port
4

Expansion Port
2

Expansion Port Type
eSATA

PCIe
PCIe Expansion
1 x Gen3 x8 slot (x4 link)

Appearance
Size (Height x Width x Depth)
166 mm x 343 mm x 243 mm

Weight
6 kg

Others
System Fan
120 mm x 120 mm x 2 pcs

Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode

Easy Replacement System Fan
Yes

Brightness Adjustable Front LED Indicators
Yes

Power Recovery
Yes

Noise Level
22.2 dB(A)

Scheduled Power On / Off
Yes

Wake on LAN / WAN
Yes

Power Supply Unit / Adapter
250 watts

AC Input Power Voltage
100V to 240V AC

Power Frequency
50/60 Hz, Single Phase

Power Consumption
59.8 watts (Access)
26.18 watts (HDD Hibernation)

British Thermal Unit
204.05 BTU/hr (Access)
89.33 BTU/hr (HDD Hibernation)

Temperature
Operating Temperature
0°C to 40°C (32°F to 104°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
BIS

Warranty
3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus

Environment
RoHS Compliant

Packaging Content
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Quick Installation Guide X 1