Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
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Ugreen Group Limited
Ugreen Group Limited DH4300Plus 4-Bay NAS 8GB LPDDR4X 2.5GbE
Four-bay desktop NAS with an 8-core ARM processor, 8 GB soldered LPDDR4X memory, 2.5 GbE LAN, HDMI output and support for up to 128 TB of SATA storage
- TypeDesktop NAS
- Port RJ-451x 2.5GbE
- Port USB1 x USB 3.2 Gen 1 + 2 x USB-A + 1 x USB-C
- HDD Interface4 x SATA (4 x Bay)
- Form Factor4-Bay
- Operating SystemUGOS Pro
- 128 TB raw capacity across four 3.5-inch SATA bays
- 8 GB soldered LPDDR4X memory with Rockchip 8-core 2.0 GHz processor
- 5 GbE LAN port plus USB 3.2 Gen 1 for fast local transfers
- UGOS Pro OS with RAID 0/1/5/6/10 and AI photo organisation
- HDMI output and NFC quick-connect for direct media playback and easy setup
Four-bay desktop NAS for local storage
The Ugreen DH4300Plus is a diskless four-bay network-attached storage device built around an eight-core Rockchip ARM processor running at 2.0 GHz with 8GB of soldered LPDDR4X memory. It targets households and small teams that want a single upfront purchase for large-capacity file storage, media streaming and automated photo organisation without recurring subscription fees.
Aluminium chassis with mixed USB ports and HDMI
The enclosure measures 9.6 x 8.4 x 9.3 inches and holds four 3.5-inch SATA hard drives or 2.5-inch SATA SSDs behind a tool-less tray system. Connectivity includes one 2.5GbE RJ-45 port, one USB 3.2 Gen 1 port, two additional USB-A ports, one USB-C port and an HDMI output for direct 4K display connection. A 12V/5A power adapter and Cat6 Ethernet cable are supplied.
SATA interface and fixed memory cap expansion limits
Each bay supports up to 32TB SATA drives for a maximum raw capacity of 128TB across RAID 0, 1, 5, 6, 10 and JBOD modes. The 8GB LPDDR4X memory is not upgradeable, so workloads requiring more RAM cannot be accommodated. The single 2.5GbE link caps network throughput at that rate, and there is no provision for additional network interfaces or PCIe add-in cards.
Highlights
- 128 TB raw capacity across four 3.5-inch SATA bays
- 8 GB soldered LPDDR4X memory with Rockchip 8-core 2.0 GHz processor
- 5 GbE LAN port plus USB 3.2 Gen 1 for fast local transfers
- UGOS Pro OS with RAID 0/1/5/6/10 and AI photo organisation
- HDMI output and NFC quick-connect for direct media playback and easy setup
Specifications
| Brand | Ugreen |
|---|---|
| Model | DH4300Plus |
| Part Number | DH4300Plus |
| Type | Desktop NAS |
| Port RJ-45 | 1x 2.5GbE |
| Port USB | 1 x USB 3.2 Gen 1 + 2 x USB-A + 1 x USB-C |
| HDD Interface | 4 x SATA (4 x Bay) |
| Form Factor | 4-Bay |
| Operating System | UGOS Pro |
| Processor | Rockchip ARM A76+A55 8-Core 2.0 GHz |
| Installed Memory | 8GB |
| Max Memory Capacity | 8GB LPDDR4X (not expandable) |
| Memory Slot | Not Upgradeable (8GB LPDDR4X soldered) |
| Included HDD Capacity | Diskless System |
| Max Capacity | 128TB (4 x 32TB SATA) |
| RAID | JBOD/Basic/RAID 0/RAID 1/RAID 5/RAID 6/RAID 10 |
| Drive Compatibility | 3.5" SATA HDD / 2.5" SATA SSD |
| Power Consumption | 22.89W (drive access) / 7.23W (drive hibernation) |
| Dimensions | 9.6'' x 8.4'' x 9.3'' |
| Package Contents | NASync DH4300 Plus Screws & Screwdriver x1 User Manual x1 Power Adapter (DC 12V/5A) x1 Ethernet Cable (CAT6) x1 |
| Shipping weight | 2.79 kg |
| Package size | 267 × 241 × 216 mm |
Questions about this item
How fast can the 2.5GbE port move data in practice?
The 2.5GbE LAN caps real-world throughput at roughly 2.5 Gbps, so a 1 GB file transfers in about 3 seconds when drives and client hardware can keep up.
Which drives physically fit the four bays?
Each bay accepts a 3.5" SATA HDD or a 2.5" SATA SSD; the package includes the required mounting screws and a screwdriver.
What is the first setup step people often miss?
Insert the drives and secure them with the supplied screws before powering on; the UGOS Pro wizard then guides you through RAID selection and account creation.
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