Nominal host interface
40 Gb/s
This is not a file-transfer benchmark. The host, bridge, cable and SSD can each limit results.
UGREEN / NVMe enclosures
UGREEN 40Gbps M.2 NVMe Enclosure with Cooling Fan (15976)
A fan-cooled 40 Gb/s ASM2464PD enclosure for 2230 to 2280 NVMe drives up to 4TB, supplied with USB-C and USB-A cables and a screwdriver. SATA NGFF and mSATA drives are excluded.
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At a glance
M.2 SATA support
No
A matching connector or length does not establish SATA support. Unknown is not a confirmed no.
UGREEN states it does not support SATA NGFF or mSATA solid-state drives.
Source · 2026-10-21
UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Included SSDs
0 drives
These selections are empty enclosures. A populated bundle is a different package.
The included-components list names no SSD. A 'Hard Disk Size: 4 TB' specification attribute is not treated as a supplied drive.
Source · 2026-10-21
UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.The purchase package
40Gbps M.2 NVMe Enclosure with Cooling Fan 15976 (US selection)
Empty enclosure only; supply a compatible SSD separately. The store says orders ship from its US warehouses. No current stock or checkout test is claimed.
Source · 2026-10-21
UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Select: SKU 15976, 40Gbps M.2 NVMe Enclosure with Cooling Fan, gray; enclosure only, no SSD; not the 10Gbps M.2 NVMe SATA enclosure or a Thunderbolt 5 model.
View at UGREEN — 40Gbps M.2 NVMe Enclosure with Cooling Fan 15976 (US selection); opens in a new tabThe link may open several packages. Check current price and availability with the seller. Opens in a new tab.
Specifications & sources
Single-drive enclosure-only packages. Ready-to-use portable SSDs, multi-drive RAID and unspecified populated bundles are outside this set.
Open a field explanation or source for its conditions.
| Compare the details | 40Gbps M.2 NVMe Enclosure with Cooling Fan 15976 (US selection) |
|---|---|
| US purchase package | SKU 15976, 40Gbps M.2 NVMe Enclosure with Cooling Fan, gray; enclosure only, no SSD; not the 10Gbps M.2 NVMe SATA enclosure or a Thunderbolt 5 model. Empty enclosure only; supply a compatible SSD separately. The store says orders ship from its US warehouses. No current stock or checkout test is claimed. Source · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
Nominal host interfaceThe advertised maximum host-link rate. This is not a file-transfer benchmark. The host, bridge, cable and SSD can each limit results. | 40 Gb/sSource · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
Supported drive protocolDocumented SSD protocols for the enclosure. M.2 describes a physical format; NVMe and SATA are different protocols. Match both. | M.2 NVMe; M-key and B+M-key drives.Source · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
M.2 SATA supportWhether SATA drives are explicitly supported. A matching connector or length does not establish SATA support. Unknown is not a confirmed no. | NoUGREEN states it does not support SATA NGFF or mSATA solid-state drives.Source · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
Supported M.2 lengthsDocumented length codes and any source disagreement. Check both the mounting position and component clearance, especially for double-sided drives. | 2230, 2242, 2260 and 2280.Source · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
Included SSDsStorage drives supplied with the exact purchase option. These selections are empty enclosures. A populated bundle is a different package. | 0 drivesThe included-components list names no SSD. A 'Hard Disk Size: 4 TB' specification attribute is not treated as a supplied drive.Source · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
Drive installationThe documented enclosure opening and drive-retention method. Tool-free does not eliminate thermal-pad placement or careful handling of the SSD. | A screwdriver is included; the retrieved text does not describe the drive-retention steps.Source · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
Cooling arrangementDocumented enclosure materials and heat-transfer components. A heat sink is not proof of sustained speed or that every drive avoids throttling. | Aluminum alloy shell, silicone thermal pad and a PWM fan that adjusts its speed automatically; an external silicone case is supplied.Source · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
Included host cablesCable contents established for the selected package. A cable that fits physically may not support the advertised rate. Regional packing lists remain separate. | One USB-C to USB-C cable and one USB-C to USB-A cable; lengths and rated speeds are not stated.Source · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
Host requirementsRequired interface and operating conditions. Using a faster host port does not upgrade the enclosure bridge. Formatting and file-system support are separate. | USB4-compatible Type-C interface, listed as compatible with USB4/3.2/3.1/3.0/2.0 and Thunderbolt 3/4. The 40 Gb/s rate needs a matching host and cable; the page does not state the rate through the USB-C to USB-A cable.Source · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
Explicit compatibility limitsImportant exclusions and capacity or revision conditions. Use the exact drive and enclosure revision. Do not treat a generic NVMe label as universal compatibility. | Drives up to 4TB; SATA NGFF and mSATA drives are excluded. S.M.A.R.T. and TRIM support are manufacturer claims, not tested here.Source · 2026-10-21UGREEN: 40Gbps M.2 NVMe Enclosure with Cooling Fan US product page (SKU 15976)Checked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified. |
| Questions to check before buying | No CM-series model number appears in the retrieved page text; the package is identified by UGREEN SKU 15976. Cable lengths and ratings and the drive-retention method are not stated in the retrieved text. |
Community reviews
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