热卖Lulian M.2磁盘阵列硬盘机箱，双机架多机架硬盘机箱（带RAID存储），外置硬盘机箱，适用于SATA串行机械和固态便携式硬盘

**Product Specifications:**

**Brand:** UGREEN

**Model:** 55D

**Description:** M.2 SATA Dual-Bay Hard Drive Array Enclosure

**Features:**

- Dual-bay design for two M.2 SATA hard drives

- RAID support with 4 modes: RAID-0 (FAST mode), RAID-1 (Safe mode), Span (Concatenation mode), Pm (Normal mode)

- Data transfer speed up to 10Gbps

- Aluminum alloy casing for efficient heat dissipation

- Supports up to 4TB storage capacity

- UASP acceleration and TRIM command support for faster and more stable data transfer

- Automatic sleep mode after 15 minutes of inactivity to prolong hard drive lifespan

- Compact and lightweight design for easy portability

**Compatibility:**

- Compatible with Windows, Mac OS, Linux systems

- Supports M.2 B-Key (2230, 2242, 2260, 2280) solid-state drives

- Supports SATA protocol or hard drives with SATA interface

**Package Contents:**

- 1 x Hard Drive Enclosure

- 1 x 50cm Type-C to Type-C Cable

- 1 x 50cm USB-A to Type-C Cable

- 1 x Hard Drive Mounting Bracket

- 1 x Warranty Card and User Manual

**Warranty:** UGREEN Product Warranty

**FAQ:**

- **Q:** Which M.2 hard drives are not supported?

**A:** M key and B&M-key (NVME protocol) hard drives are not supported.

- **Q:** Why is a new hard drive not recognized?

**A:** New hard drives need to be formatted and partitioned before initial use.

- **Q:** Why is a 4TB hard drive not detected?

**A:** For hard drives larger than 2TB, use a 64-bit operating system and partition in GPT format. XP systems do not support 2TB+ drives.

**Note:** This product is an accessory device and should not cause damage to the hard drive under normal use. It is recommended to back up important data to prevent data loss. The hard drive is a consumable item with a lifespan of 3-5 years, and regular replacement is advised to prevent data loss due to aging.