StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.
TermsPrivacy
Deal.ai › Compare

UGREEN NASync DH4300 Plus vs Synology DiskStation DS425+

The UGREEN NASync DH4300 Plus is the easier pick for most homes: 8GB of RAM, an 8-core ARM chip, 4K HDMI out and AI photo tools make it a self-contained media and photo hub. The Synology DS425+ wins on software maturity and expansion: DSM is the most polished NAS OS, and the two M.2 NVMe slots plus a second LAN port give it room to grow. Owners of the UGREEN praise setup and speed but note that home networking knowledge helps; Synology's long support record and app ecosystem are the reasons to step up.

  • Choose the UGREEN NASync DH4300 Plus if you want a diskless 4-bay box with 8GB of RAM, 4K HDMI playback and AI photo sorting without paying for cloud storage.
  • Choose the Synology DS425+ if you want the mature DSM software, two M.2 NVMe cache slots and a proven long-term support track record.

Prices

  • UGREEN NASync DH4300 Plus: $260.00 at Alibaba.com (last seen Nov 10)
  • Synology DiskStation DS425+: $579.97 at Amazon (last seen Nov 10)
  • Difference: the UGREEN NASync DH4300 Plus is $319.97 cheaper than the Synology DiskStation DS425+ at the latest prices (Nov 10)
UGREEN
UGREEN NASync DH4300 Plus

UGREEN NASync DH4300 Plus

4.7(92 ratings)
$260.00at Alibaba.comChecked 10 h ago
See all prices and details
Visit Alibaba.com
Pros
  • 8GB RAM handles many apps and users at once
  • 4K HDMI lets you play media straight to a TV
  • AI photo sorting by faces, scenes and places
  • 2.5GbE moves 1GB in about 3 seconds
  • NFC quick connect and 2FA security
Cons
  • No M.2 NVMe slots for cache or fast storage
  • Docker only, no virtual machines
  • Setup assumes some home networking knowledge
Synology
Synology 4-bay DiskStation DS425+ (Diskless)

Synology DiskStation DS425+

Synology 4-bay DiskStation DS425+ (Diskless)

4.8(6 ratings)
$579.97at AmazonChecked 10 h ago
See all prices and details
Visit Amazon

As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • DSM software is mature and well documented
  • Two M.2 NVMe slots for cache or fast volumes
  • Second 1GbE port for link aggregation or a separate network
  • Hot-swappable bays and broad RAID support
  • Long Synology support and app ecosystem
Cons
  • Only 2GB RAM out of the box
  • No HDMI output for direct TV playback
  • Celeron J4125 is older and slower than the UGREEN chip

What separates them

UGREEN NASync DH4300 PlusSynology DiskStation DS425+
Memory8GB LPDDR4X2GB DDR4, expandable to 6GB
CPU8-core A76+A55 ARM4-core Intel Celeron J4125
M.2 NVMe slotsNone listed2 x M.2 2280
LAN ports1 x 2.5GbE1 x 2.5GbE plus 1 x 1GbE
Video output4K HDMI for direct TV playbackNone
SoftwareUGREEN OS with AI photo albumsSynology DSM, the most mature NAS OS
VirtualizationDocker only, no VMsDocker and Virtual Machine Manager
SetupGuided, but networking knowledge helpsPolished wizard, large support community

Price history

$579.97$260.00
Nov 9Nov 11
  • UGREEN NASync DH4300 Plus: lowest $260.00 on Nov 11 at Alibaba.com.
  • Synology DiskStation DS425+: lowest $579.97 on Nov 9 at Amazon; $579.97 on Nov 11.

Prices at every store

UGREEN NASync DH4300 Plus

  • UGREEN AIoT USNew

    In stockReturn policy

    $373.99Checked Nov 9
    Visit UGREEN AIoT US
  • Alibaba.comNew

    Availability unknownShips from abroad · duties may apply

    $260.00Checked 10 h ago
    Visit Alibaba.com
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $373.99Free shippingChecked 10 h ago
    Visit Amazon
  • Grooves-Inc.comNew

    Availability unknownShips from abroad · duties may apply

    $446.72Checked 10 h ago
    Visit Grooves-Inc.com
All 8 stores and price history →

Synology DiskStation DS425+

  • WalmartNew

    In stockSold by Newegg Inc.Returns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $589.99Free shippingChecked 10 h ago
    Visit Walmart
  • Best BuyNew

    In stock

    $599.99Free shippingChecked 10 h ago
    Visit Best Buy
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $579.97Free shippingChecked 10 h ago
    Visit Amazon
  • B&H Photo-Video-AudioNew

    Availability unknown

    $579.99Checked 10 h ago
    Visit B&H Photo-Video-Audio

Also available at

  • WalmartCheck price at Walmart
  • eBayCheck price at eBay

Store links may earn us a commission.

All 17 stores and price history →

Specs compared

SpecUGREEN NASync DH4300 PlusSynology DiskStation DS425+
Drive bays4-bay4 × 3.5" SATA HDD or 2.5" SATA SSD
CPUA76+A55 8 Core—
Memory8GB LPDDR4X—
Network port2.5GbE LAN—
Video output4K HDMI—
Max storage capacity128 TB—
Transfer speed1 GB in just 3 seconds—
Included drivesdiskless—
Virtual machine supportSupports Docker but not virtual machines—
NFCNFC Quick Connect—
Two-factor auth2FA Identity verification—
Supported platformsWindows, macOS, Android, iOS, web browsers, and…—
Show all 31 specsShow fewer specs
SpecUGREEN NASync DH4300 PlusSynology DiskStation DS425+
size—N/A
RAID Level—RAID 0, RAID 1, RAID 5, RAID 6, RAID 1+0
Without Hard Drive—Yes
Hot Swappable—Yes
Type—NAS
Network Connectivity—Gigabit Ethernet, 10/100 Ethernet
Personal Cloud Storage—Yes
Installed RAM—2 GB RAM
CPU model—Intel Celeron J4125
CPU cores

What reviewers say

UGREEN NASync DH4300 Plus

  • 4.7 / 592 ratings

Buyers rate it highly and mostly praise how quickly a first NAS comes together, the transfer speeds and the tidy software. The main caveat is that newcomers to networking need to read up before setup.

What people mention
  • SetupPraisedOwners say installation is straightforward, even for people who have never run a NAS before.
  • Transfer speedPraisedReviewers report fast uploads and downloads, helped by the 2.5GbE port.
  • SoftwarePraisedThe interface is described as clean and intuitive, with a good spread of apps.
  • Learning curveMixedSome buyers say you need to research home networking and NAS basics before setup.

Synology DiskStation DS425+

Owners of the DS425+ line praise the build, the DSM software and the jump to 2.5GbE networking. Many say the stock 2 GB of RAM is the first thing to upgrade, and some find the Celeron limits heavier virtualization and transcoding.

What people mention
  • MemoryCriticisedOwners say 2 GB of RAM is tight and often upgrade to the 6 GB maximum early.
  • SoftwarePraisedDSM is called polished and easy to set up, with a wide app catalog.
  • Network speedPraisedThe 2.5GbE port is reported to make large file transfers much faster than 1GbE.
  • ProcessorMixedThe Celeron J4125 handles file serving and backups well but feels slow for virtualization and transcoding.

Questions and answers

Which is better for streaming media to a TV?
The UGREEN, because it has a 4K HDMI port for direct playback. The Synology has no video output, so you stream over the network to a player or TV app instead.
Which handles more apps and users at once?
The UGREEN, with 8GB of RAM against 2GB on the Synology. The Synology can be upgraded to 6GB, but it still trails.
Is the Synology worth stepping up to?
Yes if software maturity matters most. DSM has more polished apps, better documentation and a longer support record than UGREEN's newer OS.
Which is better for virtual machines?
The Synology. It runs Docker and Virtual Machine Manager; the UGREEN supports Docker but not VMs.
Which is easier for a first-time NAS owner?
The Synology's setup wizard is more forgiving, and its support community is larger. UGREEN owners say setup is easy but that home networking knowledge helps.
Can I add fast SSD storage to either?
Only the Synology has dedicated M.2 NVMe slots, two of them, for cache or fast volumes. The UGREEN uses its four main bays for drives.

Ask our shopping agent

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

More comparisons

  • UGREEN NASync DXP4800 Pro vs UGREEN NASync DH4300 Plus
  • UGREEN NASync DXP4800 Pro vs Synology 4-bay DiskStation DS425+ (Diskless)
  • Asustor AS5402T vs UGREEN NASync DH4300 Plus
  • Asustor AS5402T vs Synology 4-bay DiskStation DS425+ (Diskless)

Buying guides that pick them

  • Best NAS devices for home use
  • Best home lab servers
—
4
CPU frequency—2.0 (base) / 2.7 (turbo) GHz
System memory—2 GB DDR4 non-ECC
Maximum memory—6 GB (2 GB + 4 GB)
M.2 slots—2 × M.2 2280 NVMe SSD
1GbE LAN ports—1
2.5GbE LAN ports—1
USB ports—2
Dimensions—166 mm × 199 mm × 223 mm
Weight—2.18 kg