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Ugreen  |  एसकेयू: 55886
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UGREEN CM868 55886 USB-C 3-Slot Card Reader with 4-Card Case

Rs. 1,599.00 Rs. 3,331.00
टैक्स शामिल शिपिंग की गणना चेकआउट पर की जाएगी।

तेज गति
सुरक्षित संग्रह
प्लग एंड प्ले
डुअल कार्ड रीड
सामान्य अनुकूलता
3 READER SLOTS • 170MB/S • STORES 4 SPARES

UGREEN CM868 55886 USB-C 3-Slot Card Reader with 4-Card Case

Overview

UGREEN 55886 is a USB-C reader with two active SD slots, one active microSD/TF slot and a magnetic compartment for four spare cards. This exact-model guide separates connector bandwidth from real card performance and explains every important compatibility boundary before you move valuable files.

SKU 55886Active: SD1, SD2 and microSD/TF. Passive storage: 2 × SD plus 2 × microSD under the magnetic cover.Up to approximately 170MB/s with a suitable high-speed card and host. Simultaneous activity shares available bandwidth.
UGREEN 55886 CM868 three-slot USB-C reader with its magnetic four-card storage cover
CM868 three-slot USB-C reader with its magnetic four-card storage cover

Key features

Reader role

a USB-C reader with two active SD slots, one active microSD/TF slot and a magnetic compartment for four spare cards.

Host connection

integrated USB-C cable; the host port must support USB data or OTG.

Card layout

Active: SD1, SD2 and microSD/TF. Passive storage: 2 × SD plus 2 × microSD under the magnetic cover..

Practical speed

Up to approximately 170MB/s with a suitable high-speed card and host. Simultaneous activity shares available bandwidth.

Model check: Similar-looking UGREEN readers can differ in host plug, card protocol, simultaneous access, extra USB ports and charging. Match SKU 55886 rather than buying by appearance alone.

Ports, slots and connection map

Host side: integrated USB-C cable; the host port must support USB data or OTG.

Reader and accessory side: Active: SD1, SD2 and microSD/TF. Passive storage: 2 × SD plus 2 × microSD under the magnetic cover..

Extra function: The storage recesses are not reader slots. The cover is magnetic, but the case is not advertised as waterproof, dustproof, crushproof or impact-certified.

Direction rule: A card reader is a host accessory. It must connect to a device that can act as a USB host; connecting two accessories together does not create a host.

UGREEN 55886 Open CM868 layout separating active reader slots from passive spare-card storage recesses
Open CM868 layout separating active reader slots from passive spare-card storage recesses

Speed explained without the marketing blur

USB/interface ceiling

Up to 5Gbps USB interface bandwidth; the actual card pathway is advertised up to 170MB/s.

Memory-card ceiling

Up to approximately 170MB/s with a suitable high-speed card and host. Simultaneous activity shares available bandwidth.

UHS generation

SD 3.0 / high-speed UHS-I-class workflow as shown in exact media; slot shape does not establish UHS-II operation.

Real-world result

The slowest link wins: card, slot mode, reader controller, host port, file system, thermal state, file sizes and simultaneous activity all matter.

Never equate 5Gbps or 10Gbps with card speed. USB values describe theoretical link signalling. SD and microSD media usually operate at much lower sustained rates, and many small files transfer more slowly than one large sequential file.

UGREEN 55886 Exact SD 3.0 artwork qualifying the card-path maximum at up to 170MB/s
Exact SD 3.0 artwork qualifying the card-path maximum at up to 170MB/s

Card formats, capacity and file systems

Supported card families

SD, SDHC, SDXC, microSD/TF, microSDHC and microSDXC.

Capacity boundary

Exact live UGREEN India media states up to 2TB. Some external regional listings say 4TB, so this draft keeps the conservative exact-live 2TB claim.

File-system caveat

The card must use a format the host understands. exFAT is common for large removable media; FAT32 has file-size limits; NTFS and vendor-specific formats may not mount on phones/tablets.

Write-protect reminder

A full-size SD card with its lock tab engaged may be readable but not writable. The reader cannot override the card's mechanical write-protect state.

UGREEN 55886 Supported full-size SD and microSD/TF card families aligned with their exact slots
Supported full-size SD and microSD/TF card families aligned with their exact slots

Simultaneous access and shared-resource behaviour

Supported pairs are SD1 + SD2 or SD1 + microSD/TF. SD2 + microSD/TF is not supported because those positions share operation.

Shared bandwidth

Two cards or attached peripherals divide the bandwidth available through the single host connection.

Shared power

Bus-powered readers and USB peripherals depend on host power. High-draw drives may disconnect or fail to mount without an appropriate powered path.

Copying card-to-card

The computer or mobile host mediates the copy. The reader is not an autonomous duplicator and does not copy files when disconnected from a host.

Safest workflow

For irreplaceable media, copy one card, verify the files, create a second backup and only then erase or reformat the original.

Compatible devices and systems

Compatible device class: USB-C laptops and desktops, USB-C iPhone and iPad models, and OTG-enabled USB-C Android phones or tablets.

Operating systems: Windows, macOS, Linux, ChromeOS, iOS/iPadOS and Android where USB mass-storage/OTG is supported..

Mobile rule: USB-C shape alone is insufficient; the mobile device must expose USB host/OTG storage and support the card file system.

USB-C is only a shape

A USB-C port can be charging-only, data-capable, OTG-capable or video-capable. Confirm the exact host function.

Apps and permissions

On phones/tablets, use Files, Photos or the manufacturer's supported file manager and allow removable-storage access when prompted.

Cases and clearance

A thick case can prevent full plug insertion. Remove it temporarily rather than forcing the connector.

Managed devices

Corporate policy, encrypted cards or restricted mobile profiles can block removable media even when hardware is compatible.

UGREEN 55886 OTG mobile photo-transfer scenario; the phone must support USB host storage and the card file system
OTG mobile photo-transfer scenario; the phone must support USB host storage and the card file system

Use scenarios

Scenario 1

Import from two SD camera cards without swapping.

Scenario 2

Read SD1 and microSD footage together.

Scenario 3

Carry two spare SD and two spare microSD cards.

Scenario 4

Review travel or camera files on an OTG-enabled USB-C device.

UGREEN 55886 CM868 dimensions and portable carry example for a camera or travel bag
CM868 dimensions and portable carry example for a camera or travel bag

Setup and usability guidance

  1. Confirm SKU 55886, the required host connector and the exact card format before insertion.
  2. If using a phone or tablet, enable or confirm OTG/USB-host storage and make sure the battery has enough charge.
  3. Insert the memory card straight into its matching slot in the orientation shown by the slot label. Never force it.
  4. Connect the reader to the host. Wait for the removable volume to appear in Files, Finder, File Explorer or the supported mobile app.
  5. Copy a small test file first. Then start the main transfer and keep the device, cable and cards still.
  6. Verify copied folders, file counts and several representative files before treating the transfer as a backup.
  7. Use Eject or Unmount, wait for activity to finish, then disconnect by the connector housing rather than the cable.
UGREEN 55886 Closed CM868 side view showing the integrated USB-C cable and labelled card-slot edge
Closed CM868 side view showing the integrated USB-C cable and labelled card-slot edge

What this product does

  • a USB-C reader with two active SD slots, one active microSD/TF slot and a magnetic compartment for four spare cards.
  • Provides Active: SD1, SD2 and microSD/TF. Passive storage: 2 × SD plus 2 × microSD under the magnetic cover..
  • Works within the documented speed and compatibility limits.
  • Supports the stated host and card families when the operating system can mount them.

What this product does not do

  • not a five-slot reader, not a waterproof backup case, not a UHS-II promise and not able to use SD2 with TF simultaneously.
  • It does not repair corrupted media, recover deleted files or guarantee that damaged cards will mount.
  • It does not make one copy into a backup; keep another verified copy on separate storage.
  • It does not guarantee every illustrated device, card capacity or speed without the required host capability.

What to do

Do: label cards

Separate blank, active and backed-up cards. Locking or labelling completed media prevents accidental erasure.

Do: verify before erasing

Open several copied files and compare counts or checksums for critical work.

Do: keep connectors clean

Use a dry, dust-free environment and store the reader where slot contacts are protected.

Do: eject safely

Unmount every active volume and wait for activity to stop before removal.

What not to do

Do not: remove during writing

Disconnecting during import, deletion, formatting or metadata updates can corrupt the file system.

Do not: force media

Wrong orientation or the wrong card family can bend contacts or crack the card.

Do not: format the wrong disk

Confirm the volume name, capacity and path before erase or format operations.

Do not: trust one copy

Portable cards fail, get lost and can be overwritten. Maintain a separate verified backup.

Warnings and limitations

Heat and moisture: keep the reader dry and ventilated. Mild warmth during sustained transfer can be normal; disconnect if there is unusual heat, smell, deformation or repeated resets.

Power: The storage recesses are not reader slots. The cover is magnetic, but the case is not advertised as waterproof, dustproof, crushproof or impact-certified.

Card handling: do not touch contacts, bend cards, use cracked adapters or insert nested adapters that do not fit cleanly.

Formatting: formatting deletes the file-system index and can make recovery difficult. Back up first and confirm the target device's preferred format.

Critical data: no reader can guarantee recovery from failing media. Stop repeated write attempts on a card showing errors and seek professional recovery help if the files are irreplaceable.

Technical specifications

Brand / SKU UGREEN 55886
Product role a USB-C reader with two active SD slots, one active microSD/TF slot and a magnetic compartment for four spare cards
Host connection integrated USB-C cable; the host port must support USB data or OTG
Slots / ports Active: SD1, SD2 and microSD/TF. Passive storage: 2 × SD plus 2 × microSD under the magnetic cover.
Simultaneous behaviour Supported pairs are SD1 + SD2 or SD1 + microSD/TF. SD2 + microSD/TF is not supported because those positions share operation.
Interface ceiling Up to 5Gbps USB interface bandwidth; the actual card pathway is advertised up to 170MB/s.
Card performance Up to approximately 170MB/s with a suitable high-speed card and host. Simultaneous activity shares available bandwidth.
UHS/card mode SD 3.0 / high-speed UHS-I-class workflow as shown in exact media; slot shape does not establish UHS-II operation.
Card formats SD, SDHC, SDXC, microSD/TF, microSDHC and microSDXC.
Capacity/file-system note Exact live UGREEN India media states up to 2TB. Some external regional listings say 4TB, so this draft keeps the conservative exact-live 2TB claim.
Operating systems Windows, macOS, Linux, ChromeOS, iOS/iPadOS and Android where USB mass-storage/OTG is supported.
Build grey compact body, short integrated braided USB-C cable and magnetic storage cover
Approx. dimensions Approx. 82 × 50 × 15mm body, excluding the extended cable
Model CM868 / 55886
Host connector Integrated USB-C male cable
USB interface Up to 5Gbps
Maximum advertised card speed Up to 170MB/s
Active slots 2 × SD; 1 × microSD/TF
Supported simultaneous pairs SD1 + SD2; SD1 + TF
Unsupported simultaneous pair SD2 + TF
Passive storage 2 × SD; 2 × microSD
Conservative advertised capacity Up to 2TB

Troubleshooting

Card does not appear

Reseat the card and reader, confirm slot orientation, test one card at a time, remove an obstructing case and check OTG/file-system support.

Card is read-only

Check the SD lock tab, operating-system permissions, card health and whether the file system was mounted read-only after errors.

Transfer is slower than expected

Use one card, a direct high-speed host port and large sequential files; confirm the card's own sustained rating and negotiated UHS mode.

Reader disconnects

Remove high-power USB peripherals, connect a suitable PD/powered path where this exact model supports it, and avoid loose extensions.

Phone cannot see files

Use the Files/Photos app, enable OTG, grant storage permission and verify the card uses a phone-supported format such as exFAT/FAT32.

Copied file will not open

Compare the original, copy again to a different destination and stop using a card that reports I/O, CRC or corruption errors.

Package contents

1 × UGREEN CM868 55886 reader/storage case; memory cards are not included

Memory cards, phone, tablet, computer, camera, charger, external drive and other illustrated accessories are not included unless explicitly named above or in the selected offer.

UGREEN 55886 Magnetic-cover compartment arranged for two spare SD and two spare microSD cards
Magnetic-cover compartment arranged for two spare SD and two spare microSD cards

Research and media reconciliation

Exact gallery establishes the three active slots, 170MB/s card maximum, four passive storage spaces and the restricted simultaneous combinations. A tiny corrupted gallery asset and external 4TB claims were excluded.

Visual-media decision: Eight useful exact images are embedded once. The tiny corrupted eighth asset is documented and excluded; the retained visuals distinguish three active slots from four passive storage spaces and keep the 170MB/s and OTG claims qualified.

Excluded exact-media slide: Excluded because the exact live asset is corrupted/tiny and provides no legible product information.

Research method: exact live Shopify product record and gallery were visually reviewed, then claims were checked against exact-SKU UGREEN India or official UGREEN regional pages. Duplicate, corrupted or conflicting artwork was documented and not embedded.

Source discipline: no UHS-II, capacity, speed, simultaneous-access or charging claim was inferred from slot shape, connector colour or a related product family.

Product-specific FAQ

What exactly is UGREEN 55886?

a USB-C reader with two active SD slots, one active microSD/TF slot and a magnetic compartment for four spare cards.

Which host connection does it need?

integrated USB-C cable; the host port must support USB data or OTG.

Which card slots or ports are provided?

Active: SD1, SD2 and microSD/TF. Passive storage: 2 × SD plus 2 × microSD under the magnetic cover..

Can it access more than one card at a time?

Supported pairs are SD1 + SD2 or SD1 + microSD/TF. SD2 + microSD/TF is not supported because those positions share operation.

Is 5Gbps the actual card speed?

No. Up to 5Gbps USB interface bandwidth; the actual card pathway is advertised up to 170MB/s. Up to approximately 170MB/s with a suitable high-speed card and host. Simultaneous activity shares available bandwidth.

Does it support UHS-II speed?

SD 3.0 / high-speed UHS-I-class workflow as shown in exact media; slot shape does not establish UHS-II operation.

What card formats and capacities can I use?

SD, SDHC, SDXC, microSD/TF, microSDHC and microSDXC. Exact live UGREEN India media states up to 2TB. Some external regional listings say 4TB, so this draft keeps the conservative exact-live 2TB claim.

Will it work with a phone or tablet?

USB-C shape alone is insufficient; the mobile device must expose USB host/OTG storage and support the card file system.

Which file system should I use?

Use a format supported by both the host and destination device. exFAT is common for large removable media; FAT32 has a 4GB single-file limit; NTFS often fails on phones/tablets.

How should I remove a card safely?

Finish every transfer, close apps using the volume, choose Eject or Unmount, wait for activity to stop, then remove the card and reader without pulling the cable.

What is included in the package?

1 × UGREEN CM868 55886 reader/storage case; memory cards are not included.

Final exact-model check

Confirm SKU 55886, integrated USB-C cable; the host port must support USB data or OTG, and Active: SD1, SD2 and microSD/TF. Passive storage: 2 × SD plus 2 × microSD under the magnetic cover.. Then match the UHS mode, capacity, simultaneous-access rule and mobile/charging requirements before ordering.

SKU 55886SD 3.0 / high-speed UHS-I-class workflow as shown in exact media; slot shape does not establish UHS-II operation.Exact live UGREEN India media states up to 2TB. Some external regional listings say 4TB, so this draft keeps the conservative exact-live 2TB claim.

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