Synology DiskStation DS223j vs UGREEN NASync DXP4800 Plus

Researched, not hands-on tested.How we review ›

all judged against NAS at a similar price

The UGREEN NASync DXP4800 Plus scores 7.3/10 overall, ahead of the Synology DiskStation DS223j at 5.0/10.

The Synology DiskStation DS223j leads on software and ecosystem.

The UGREEN NASync DXP4800 Plus leads on storage capacity (bays, M.2), CPU and transcoding, networking, memory ceiling and openness.

The biggest difference is networking, where the UGREEN NASync DXP4800 Plus scores 9/10 to the Synology DiskStation DS223j's 5/10.

Synology DiskStation DS223j

5.0/10verdict: wait for deal

The DS223j is for people who want a simple two-bay NAS for file storage and backup. It suits anyone who values easy DSM setup, quiet running and low power draw over raw performance. It is a poor fit for memory-hungry workloads or anyone who needs more than a single 1GbE connection.

Typically about £167 in the UK when we researched itCheck price at Amazon UK

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UGREEN NASync DXP4800 Plus

7.3/10verdict: buy

The UGREEN NASync DXP4800 Plus is for homelabbers and technical users who want four bays, two NVMe slots and 10GbE in one box. It suits people comfortable with a young operating system and some setup fiddling. It is a weaker fit for anyone who wants a NAS that works with no tinkering.

Typically about £529.98 in the UK when we researched itCheck price at Amazon UK

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

Criterion	Weight	Synology DiskStation DS223j	UGREEN NASync DXP4800 Plus
Storage capacity (bays, M.2)	20%	5/10	8/10
CPU and transcoding	20%	4/10	7/10
Networking	20%	5/10	9/10
Memory ceiling	15%	3/10	7/10
Software and ecosystem	15%	8/10	5/10
Openness	10%	5/10	7/10
Overall		5.0/10	7.3/10

Specifications

Spec	Synology DiskStation DS223j	UGREEN NASync DXP4800 Plus
Drive bays	2 x 3.5" SATA HDD or 2.5" SATA SSD (2.5" drives need optional Type C drive holder)	4 x SATA, 3.5" or 2.5"
CPU	Realtek RTD1619B, 1 CPU, 4 cores, 4 threads, 64-bit, 1.7 GHz, with hardware encryption engine	Intel Pentium Gold 8505 (Alder Lake), 5 cores / 6 threads, 1 P-core at 4.4 GHz + 4 E-cores at 3.3 GHz, 8MB cache
Memory	1 GB DDR4 non-ECC	8GB DDR5-4800 SO-DIMM installed; upgrade ceiling 64GB per TechPowerUp, smarthomecompared and Android Central (Adorama states 32GB)
Networking	1 x 1GbE RJ-45 LAN port, 2 x USB 3.2 Gen 1 ports	1 x 10GbE (10GBASE-T, RJ45) + 1 x 2.5GbE
M.2 slots	not listed	2 x M.2 2280, PCIe 4.0 x4 NVMe
Expansion	not listed	2 x USB 3.2 Gen2 + 1 x USB-C (front), 2 x USB 2.0, 1 x HDMI 2.0b, SD card reader; no eSATA, no PCIe slot
Operating system	DiskStation Manager (DSM)	UGOS Pro 1.0.0.0556, based on Debian 12; boots from a 128GB SSD

Strengths and weaknesses

Synology DiskStation DS223j

+ DSM software is easy to set up
+ Quiet with low listed power figures
+ Reliable for backup duty according to owners
− Single 1GbE port, criticised by owners
− 1 GB fixed RAM with no published maximum
− 2.5in drives need an optional holder

Skip it if:

Buyers who need more than a single 1GbE connection
Anyone planning containers, VMs or other memory-heavy workloads
People who want M.2 cache slots or any expansion options

Read the full Synology DiskStation DS223j review ›

UGREEN NASync DXP4800 Plus

+ 10GbE plus 2.5GbE networking
+ Four SATA bays and two PCIe 4.0 NVMe slots
+ Owners praise quiet running and build quality
− UGOS Pro is described as immature or clunky
− Drive trays feel flimsy to some owners
− No PCIe slot and no eSATA

Skip it if:

Buyers who want a NAS with mature software that simply works
Anyone who needs a PCIe slot or eSATA port
Buyers who need a firm, confirmed RAM and drive capacity limit

Read the full UGREEN NASync DXP4800 Plus review ›

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