compare

LATEST PRICE LIST

DS1823xs+
DS1821+

BEST FOR Virtualisation

NAS	CPU	Cores	Threads	Speed (GHz)	Docker/VM	Score	ECC
DS1823xs+	AMD Ryzen V1780B	4	8	3.35	Docker/VM	8216	ECC /8 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
DS1823xs+		/			0	1080p
DS1821+		/			0	1080p

BEST FOR FILE STORAGE

NAS	BAYS	Bandwidth	HDD storage	expansion	Drive mixing	File System
DS1823xs+	8 HDD	12Gbit (3 ports combined)	176TB	✓		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
DS1823xs+	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
DS1823xs+	10Gbit	1x RJ45		1 x Gen3 x8 slot (x4 link)	2x NVME
DS1821+	1Gbit			1 x Gen3 x4	2x NVME Gen3 x2

BEST FOR SURVEILLANCE (CCTV)

NAS	HDMI	QVM	transcoding	AI
DS1823xs+
DS1821+

BEST FOR SMART HOME/ AI

NAS	Virtual switch	Docker/VM	HDMI	S/PDIF / AUX
DS1823xs+		Docker/VM
DS1821+		Docker/VM

LATEST VIDEOS RELATED

AVAILABILITY / RELEASE DATE

Brand	Model	TW	USA	UK	Released
Synology	DS1823xs+	•	•	•	2023-02
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
DS1821+ RAM upgrade
DS2422+ vs DS1821+
ds1621+and ds1821+ RAM upgrade using Arch Memory
Synology DS1821+ NAS - Unofficial 32GB & 64GB Memory Upgrade

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 - 8/10

PERFORMANCE - 9/10

PRICE - 8/10

VALUE - 8/10

8.6

PROS

👍🏻Supports ALL of the Synology App Suite
👍🏻Huge Amount of Expandability
👍🏻High Capacity / Low Impact
👍🏻10/10 Chassis Design
👍🏻M.2 NVMe SSD Storage Pools
👍🏻Balanced/Powerful CPU
👍🏻5yr H/W Warranty & Long S/W Support
👍🏻Tier Storage Ready
👍🏻ECC Memory and 8GB Day 1
👍🏻Hugely User-Friendly GUI
👍🏻10GbE x86 8-Bay Expandable Synology......FINALLY!

CONS

👎🏻HDD/SSD Compatibility is going to Annoy some
👎🏻M.2 NVMe SSD Lane Limits
👎🏻Lack of SHR
👎🏻DS3622xs+ is £1000+ more, but significantly upscaled on almost everything

LATEST PRICE LIST

DS1823xs+
DS1821+

DEAL WATCH - Is It On Offer Right Now? Synology DS1821+ 8-Bay Diskstation NAS (AMD Ryzen V1500B Quad-Core 2,2 GHz 4 GB Amazon USA 21.49 OFF (WAS 1082) [LINK] Synology DiskStation DS1823xs+ 8-Bay + 2 x NVMe, 3.5 Diskless, 2xGbE + 1x10GbE, Amazon USA 6.83 OFF (WAS 2148) [LINK] Synology DS1823xs+ 8 Bay NAS Desktop: High-Performance Storage Solution Amazon UK 53.61 OFF (WAS 1819) [LINK] Synology DS1821+/32TB IW 8 Bay DT Amazon UK 10.71 OFF (WAS 1966) [LINK] Synology DS1821+ 64TB 8 Bay Desktop NAS Solution, Installed with 8 x 8TB HAT5300 Amazon UK 24.31 OFF (WAS 3867) [LINK] These Offers are Checked Daily