Best M.2 NVMe for the UGREEN NASync DH4300 Plus
The UGREEN NASync DH4300 Plus has no M.2 slots, so an NVMe cache is not possible on this model — no m.2 slots Over its 1 × 2.5GbE, that is barely a loss: a single CMR drive already saturates the link, and a cache only helps data you read repeatedly. If cache or a fast NVMe pool matters to you, choose a model with M.2 slots.
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What sets the DH4300 Plus apart
The affordable ARM version with four bays. The memory is soldered, so you decide once and for good at purchase: 8 GB stays 8 GB. That is exactly why the DH line is a file store, not a container platform.
The UGREEN drive policy on the DH4300 Plus
unrestrictedOpen. UGREEN mandates no drive brand. The compatibility list is a recommendation, not a lock.
The DH4300 Plus at a glance
| Bays | 4 × 3.5-inch SATA |
|---|---|
| Maximum raw capacity | 128 TB 4 × 32 TB hard drives, per the manufacturer |
| Processor | ARM 8-core (Cortex-A76 and A55, 2.4 GHz) |
| Memory | 8 GB, LPDDR4X, soldered Soldered, not upgradeable |
| M.2 NVMe | none No M.2 slots |
| Network | 1 × 2.5GbE |
| Operating system | UGOS Pro |
| RAID types | Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
Keep calculating
To see how much capacity is left after parity, the DH4300 Plus capacity calculator is preset to its 4 bays and RAID types. For the DH4300 Plus, the wider basics of choosing a drive are in the buying guides, where we also explain why CMR rather than SMR is mandatory in any RAID array.
Frequently asked questions
How many M.2 slots does the DH4300 Plus have?
None. No M.2 slots
Is an NVMe cache worth it in the DH4300 Plus?
Not possible — the DH4300 Plus has no M.2 slots. Over its 1 × 2.5GbE a cache would add little anyway, since a single drive already saturates the link.
Can I put third-party drives in the DH4300 Plus?
Yes. UGREEN locks no drive brand on the DH4300 Plus — its compatibility list is guidance, not a gate — so any CMR NAS drive works.

Devin Chua works out which drives, RAM and NVMe cache fit which NAS model at nasdrives.ca, and what the RAID choice means for usable capacity, checked against what is in stock on Amazon.ca.