Synology DiskStation DS1821+ Network Attached Storage Drive (Black)

CPU:
CPU Model AMD Ryzen V1500B
CPU Architecture 64-bit
CPU Frequency Quad Core 2.2 GHz
Hardware Encryption Engine

Memory:
System Memory: 4GB DDR4 ECC SODIMM
Memory Module Pre Installed: 4GB (4GB x 1)
Total Memory Slot: 2
Maximum Memory Capacity: 32GB (16GB x 2)

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.
Synology Memory Modules Optimum Compatibility And reliability. Synology Will Not Provide Complete Product Warranty Or Technical Support If Non- Synology Memory Modules Are Used For Memory Expansion.

Storage:
Drive Bays: 8
Maximum Drive Bays With Expansion Unit: 18 (DX517 x 2)
M.2 Drive Slots x 2 (NVMe)
Compatible Drive Type* (See all supported drives)
3.5″ SATA HDD
2.5″ SATA HDD (with optional 2.5″ Disk Holder)
2.5″ SATA SSD (with optional 2.5″ Disk Holder)
M.2 2280 NVMe SSD
Maximum Internal Raw Capacity 144 TB (18 TB drive x 8) (Capacity may vary by RAID types)
Maximum Single Storage Pool Size 18 TB
Maximum Single Volume Size* 18 TB
Hot Swappable Drive – yes

Notes:
“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 x 4 (With Link Aggregation / Failover Support)
USB 3.2 Gen 1 Port x 4
eSATA Port x 2
File System

PCIe: 1x Gen3x 8 Slot (x4 link)

Appearance:
Size (Height x Width x Depth) 166 mm x 343 mm x 243 mm
Weight 6 kg

Others:
System Fan 92 mm x 92 mm x 2 pcs
Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode
Low-power Mode
Brightness Adjustable Front LED Indicators

Warranty:  3 Years Hardware Warranty

Description

CPU:
CPU Model AMD Ryzen V1500B
CPU Architecture 64-bit
CPU Frequency Quad Core 2.2 GHz
Hardware Encryption Engine

Memory:
System Memory: 4GB DDR4 ECC SODIMM
Memory Module Pre Installed: 4GB (4GB x 1)
Total Memory Slot: 2
Maximum Memory Capacity: 32GB (16GB x 2)

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.
Synology Memory Modules Optimum Compatibility And reliability. Synology Will Not Provide Complete Product Warranty Or Technical Support If Non- Synology Memory Modules Are Used For Memory Expansion.

Storage:
Drive Bays: 8
Maximum Drive Bays With Expansion Unit: 18 (DX517 x 2)
M.2 Drive Slots x 2 (NVMe)
Compatible Drive Type* (See all supported drives)
3.5″ SATA HDD
2.5″ SATA HDD (with optional 2.5″ Disk Holder)
2.5″ SATA SSD (with optional 2.5″ Disk Holder)
M.2 2280 NVMe SSD
Maximum Internal Raw Capacity 144 TB (18 TB drive x 8) (Capacity may vary by RAID types)
Maximum Single Storage Pool Size 18 TB
Maximum Single Volume Size* 18 TB
Hot Swappable Drive – yes

Notes:
“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 x 4 (With Link Aggregation / Failover Support)
USB 3.2 Gen 1 Port x 4
eSATA Port x 2
File System

PCIe: 1x Gen3x 8 Slot (x4 link)

Appearance:
Size (Height x Width x Depth) 166 mm x 343 mm x 243 mm
Weight 6 kg

Others:
System Fan 92 mm x 92 mm x 2 pcs
Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode
Low-power Mode
Brightness Adjustable Front LED Indicators

Warranty:  3 Years Hardware Warranty

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