UGREEN CM841-65487 Mac mini Dock with 10Gbps NVMe Enclosure

UGREEN CM841-65487 is a Mac mini dock that adds USB data ports, SD and microSD card slots, and an NVMe SSD enclosure. It is suited to a desk setup needing accessible storage and card transfers, but the SSD must be purchased separately.

At a glance

NVMe enclosure supports M.2 drives in four listed sizes, with storage expansion up to 8TB. SSD is not included.
Three USB-A and two USB-C data ports are listed at 10Gbps, alongside two USB-A data ports at 5Gbps.
Front SD and microSD slots are specified to work at the same time, with listed read speeds of up to 170MB/s each.
A base groove is described as keeping the Mac mini power button accessible.

Price

£59.99Save 33%

Reference price: ~~£89.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Combines NVMe storage expansion, USB data ports and two card-reader slots in one dock.
The front card slots and claimed simultaneous SD and microSD use can simplify transferring media from two cards.
Customer feedback reports straightforward setup and a look that blends with the Mac mini.

Cons

The NVMe drive is not included, so reaching the stated storage capacity requires a separately purchased compatible SSD.
USB-A and USB-C data ports do not support media display or charging, limiting their use for display output or charging devices.
The 5V USB-C port is described as powering peripherals, not charging the host device.

Technical specifications

17 specifications

Identity
Brand	UGREEN
Model	CM841-65487
Colour	Silver
Interface	USB Type C
Compatible devices	laptops, keyboards, mice
Minimum operating system	Mac OS 14 Sonoma

Ports and storage
Total USB ports	7
Number of ports	11
NVMe enclosure speed	10Gbps
Maximum storage expansion	Up to 8TB
Supported SSD sizes	2230, 2242, 2260 and 2280
USB-A data ports	3 × 10Gbps USB-A data ports, 2 × 5Gbps USB-A data ports
USB-C data ports	2 × 10Gbps USB-C data ports
Card-reader speed	170MB/s
Card slots	SD and microSD

Dimensions and installation
Dimensions listed	12.7L x 12.7W x 2.9H centimetres
Weight listed	0.43 Kilograms

What to know before buying

Listing details to confirm

The listing title names Mac mini M6/M5 Pro/M4 compatibility, while the feature text describes the dock for M4/M4 Pro and the system requirement is Mac OS 14 Sonoma. The port total is also inconsistent: seven USB ports are specified, while the details separately state 11 ports. Confirm the intended Mac mini generation and port count for the selected listing. The listed transfer speeds and capacity are manufacturer claims, not independent measurements.

Who is it for?

A good fit for

Mac mini users wanting a dock with front-facing SD and microSD slots and an internal NVMe enclosure.
Desk setups that need several USB data connections and expandable local storage, with an SSD bought separately.

Less suited to

Anyone who needs a dock to output video through its USB data ports or charge a host device.
Buyers who need an SSD included or require a confirmed fit for a Mac mini generation not clearly reconciled in the listing.

UGREEN CM841-65487 Mac mini Dock with 10Gbps NVMe Enclosure · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 1,748 ratings

5 stars67%67%
4 stars16%16%
3 stars7%7%
2 stars3%3%
1 star7%7%

Customer feedback highlights plentiful USB connections, easy setup, storage expansion, connectivity, appearance and speed. These impressions align with the dock's stated ports, NVMe enclosure and card readers, though the drive is not included and the listed performance figures are manufacturer claims. Ratings are mostly five-star, but a smaller share is one-star, so aggregate ratings do not establish how the dock performs for a particular setup.

Positive themes

Customers report that setup is easy and that the dock adds useful USB connections.
Feedback also praises its appearance alongside the Mac mini and mentions storage and speed.

Frequently asked questions

Does this dock include an SSD?

No. The listing states that the SSD is not included. It describes support for M.2 NVMe drives in sizes 2230, 2242, 2260 and 2280, with expansion up to 8TB.

Can the USB data ports charge a device or output video?

The listing says the USB-A and USB-C data ports do not support media display or charging. It describes the separate 5V USB-C port as supplying power to peripherals, not charging the host.

Can the SD and microSD slots be used together?

The listing says both card slots can be used at the same time and gives a maximum read speed of 170MB/s for each.

Which Mac mini models are supported?

The title names M6, M5 Pro and M4, while feature text identifies M4 and M4 Pro and the system requirement states Mac OS 14 Sonoma. Check the selected listing for compatibility with your exact model.