compare

LATEST PRICE LIST

DS3622xs+
DS1821+

BEST FOR Virtualisation

NAS	CPU	Cores	Threads	Speed (GHz)	Docker/VM	Score	ECC
DS3622xs+	Intel Xeon D-1531	6	12	2.2 (MAX:2.7)	Docker/VM	7483	ECC /16 GB DDR4 ECC SODIMM
DS1821+	AMD Ryzen V1500B	4	8	2.2	Docker/VM	4584	ECC /4 GB DDR4 ECC SODIMM

BEST FOR MULTIMEDIA

NAS	GPU	Base_GHz/Max	Codec	FPS	Transcoding	Plex
DS3622xs+		/			0	1080p
DS1821+		/			0	1080p

BEST FOR FILE STORAGE

NAS	BAYS	Bandwidth	HDD storage	expansion	Drive mixing	File System
DS3622xs+	12 HDD	22Gbit (4 ports combined)	264TB	✓		EXT4 BTRFS
DS1821+	8 HDD	4Gbit (4 ports combined)	176TB	✓	✓	EXT4 BTRFS

*All NAS support multiple RAID/ volume groups, if you want to mix different size drive on non supported model.

BEST FOR BACKUP

NAS	Level	HA	AI	Google	Microsoft	encryption
DS3622xs+	folder/barebone	✓	face+object	✓	✓	volume/folder
DS1821+	folder/barebone	✓	face+object	✓	✓	volume/folder

BEST FOR VIDEO EDITING

NAS	MAX LAN speed	Ports	transcoding	PCIe	NVMe
DS3622xs+	10Gbit	2x RJ-45 10GbE		1 x Gen3 x8
DS1821+	1Gbit			1 x Gen3 x4	2x NVME Gen3 x2

BEST FOR SURVEILLANCE (CCTV)

NAS	HDMI	QVM	transcoding	AI
DS3622xs+
DS1821+

BEST FOR SMART HOME/ AI

NAS	Virtual switch	Docker/VM	HDMI	S/PDIF / AUX
DS3622xs+		Docker/VM
DS1821+		Docker/VM

LATEST VIDEOS RELATED

AVAILABILITY / RELEASE DATE

Brand	Model	TW	USA	UK	Released
Synology	DS3622xs+	•	•	•	2021-10
Synology	DS1821+	•	•	•	2020-11

LATEST POSTS RELATED

Synology DS1823xs+ NAS - Should You Buy?
Synology DS1823xs+ NAS Review
Unleash the speed with the DS1823xs+ 8-Bay NAS: Boasting 10GbE and NVMe Storage Pools
Synology DS1823xs+ NAS Revealed
Synology DS1823xs+ 10GbE NAS Coming Soon
Synology DS1823xs+ 8-Bay NAS Coming - Rumour
Synology DS3622xs+ NAS Plex Media Server Tests
Synology DS3622xs+ Plex Media Server NAS 4K & 1080p Tests - H.264 & HEVC
DS1821+ RAM upgrade
DS2422+ vs DS1821+

RELATED REVIEWS

SOFTWARE - 8/10

HARDWARE - 8/10

PERFORMANCE - 8/10

PRICE - 8/10

VALUE - 8/10

8.0

PROS

👍🏻Desktop Ryzen Powered Solution
👍🏻Dual NVMe M.2 cache
👍🏻PCIe Gen 3 x8 PCIe Equipped
👍🏻Great RAID Options (inc SHR)
👍🏻Excellent choice of Apps
👍🏻DDR4 ECC Memory up to 32GB
👍🏻Numerous Backup Software Options
👍🏻Huge Virtualization Support
👍🏻3yr Warranty and Extendable to 5yrs

CONS

👎🏻1Gbe Ports seem a bit limited now
👎🏻Shame it does not support 1/2 x DX1215
👎🏻NVMe SSDs cannot be used for RAW storage

SOFTWARE - 10/10

HARDWARE - 9/10

PERFORMANCE - 9/10

PRICE - 7/10

VALUE - 8/10

8.6

PROS

👍🏻6-Core Xeon Processor
👍🏻Two 10GBe Connections as Standard
👍🏻Lots of PCIe Gen 3 x8 PCIe Upgrade Options
👍🏻Surprisingly Compact for 12 Bays
👍🏻Excellent choice of Apps
👍🏻Exceptionally Expandability
👍🏻No need to fully populate, so VERY scalable
👍🏻Huge Virtualization Support
👍🏻Storage Can be Expanded to 36 SATA Drives
👍🏻5yr Warranty

CONS

👎🏻NVMe SSDs Ports not available, unlike smaller PLUS series units
👎🏻Reduced Hard Drive Supported (Largely ONLY Synology HAT5300 series)
👎🏻48GB Memory Maximum Seems odd over 4 slots
👎🏻Lack of Synology Hybrid RAID (SHR) is still a bit of a blow

LATEST PRICE LIST

DS3622xs+
DS1821+

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