Synology DiskStation DS1821+

Synology DiskStation DS1821+

8 bays

Quad-core 2.2 GHz CPU
M.2 NVMe SSD cache support
Scales up to 18 drives

Description

Synology DiskStation DS1821+

Designed for scalability and performance

Synology DiskStation DS1821+ 8-bay is aimed at IT enthusiasts and SMB customers looking for a powerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before.

Synology DiskStation DS1821+ SPECIFICATIONS

Synology DiskStation DS1821+

1Status indicator
2Alert indicator
3Power button and indicator
4LAN indicator

5Drive status indicator
6Drive tray
7Drive tray lock
8USB 3.2 Gen 1 port

9Power port
10System fan
11PCIe expansion slot
12Kensington Security Slot

13Expansion port
141GbE RJ-45 port
15Reset button
16USB 3.2 Gen 1 port

Synology DiskStation DS1821+

CPU	CPU Model	AMD Ryzen V1500B
	CPU Architecture	64-bit
	CPU Frequency	4-core 2.2 GHz
	Hardware Encryption Engine (AES-NI)
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)
	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. 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 DiskStation DS1821+ 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
	Maximum Single Volume Size*	108 TB
	Hot Swappable Drive
	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. Each internal volume (may consist of multiple drives) is expandable up to 108TB.
External Ports	RJ-45 1GbE LAN Port	4 (with Link Aggregation / Failover support)
	USB 3.2 Gen 1 Port*	4
	eSATA Port	2
Synology DiskStation DS1821+	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	1 x Gen3 x8 slot (x4 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	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
Synology DiskStation DS1821+	Easy Replacement System Fan
	Brightness Adjustable Front LED Indicators
	Power Recovery
	Noise Level*	22.2 dB(A)
	Scheduled Power On / Off
	Wake on LAN / WAN
	Power Supply Unit / Adapter	250 W
	AC Input Power Voltage	100 V to 240 V AC
	Power Frequency	50/60 Hz, Single Phase
	Power Consumption*	59.8 W (Access) 26.18 W (HDD Hibernation)
	British Thermal Unit	204.05 BTU/hr (Access) 89.33 BTU/hr (HDD Hibernation)
	Notes	Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX 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 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
Synology DiskStation DS1821+ Certification	FCC CE BSMI EAC CCC KC VCCI RCM
Warranty	3-year hardware warranty, extendable to 5-year coverage – EW201
	Notes	The warranty period starts from the purchase date as stated on your purchase receipt.
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
Optional Accessories	DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G Expansion Units: DX517 3.5″ SATA HDD: HAT5300 2.5″ SATA SSD: SAT5200 M.2 2280 NVMe SSD: SNV3400 10GbE Network Interface Card: E10G18-T2/E10G18-T1/E10G17-F2 VisualStation: VS960HD/VS360HD Surveillance Device License Pack
	Notes	All memory modules will operate at the maximum frequency specified by the CPU manufacturer.