LaCie
LaCie 2big Dock 48 TB RAID enclosure STLG48000400
Desktop RAID with 48 TB hot-swappable drives, Thunderbolt 4 and USB4 connectivity, dual Thunderbolt ports for daisy-chaining five devices, front CFexpress B, CFast 2.0 and SD slots.
- Drive48 TB installed (hot-swappable IronWolf Pro enterprise drive
- External I/OThunderbolt 4, USB4, USB 3.2, USB 3.0
- RAID LevelsRAID 0/1
- 3.5" Drive Bays2
- Dimensions4.6" (W) x 8.5" (D) x 3.7" (H)
- Weight8.51 lb
- 48 TB capacity with hot-swappable IronWolf Pro enterprise drives for massive reliable storage
- Up to 550 MB/s transfer speeds over Thunderbolt 4 and USB4 for fast creative workflows
- Dual Thunderbolt 4 ports daisy-chain up to five devices for streamlined desktop connectivity
- Front CFexpress B, CFast 2.0, SD slots plus USB 3.2 hub for direct media ingest and device charging
- DisplayPort 1.4 drives one 8K monitor at 30 Hz or two 4K monitors at 120 Hz
Capacity and interface
The LaCie 2big Dock STLG48000400 is a desktop RAID enclosure pre‑loaded with 48 TB of hot‑swappable IronWolf Pro drives. It connects via Thunderbolt 4, USB4, USB 3.2 and USB 3.0, delivering up to 550 MB/s for creative professionals who need high‑capacity direct‑attached storage with integrated media‑card readers and a DisplayPort 1.4 output.
Who it suits and who it does not
This unit suits photographers, videographers and editors who want a single Thunderbolt dock that ingests CFexpress Type B, CFast 2.0 and SD cards while driving an 8K 30 Hz or 4K 120 Hz display. It is not for users who need more than two drive bays, who require RAID levels beyond 0 or 1, or who rely on network‑attached rather than direct‑attached storage.
Deciding specification
The installed 48 TB capacity in a two‑bay RAID 0/1 configuration is the single figure that determines whether this enclosure matches the project’s storage and redundancy requirements.
Highlights
- 48 TB capacity with hot-swappable IronWolf Pro enterprise drives for massive reliable storage
- Up to 550 MB/s transfer speeds over Thunderbolt 4 and USB4 for fast creative workflows
- Dual Thunderbolt 4 ports daisy-chain up to five devices for streamlined desktop connectivity
- Front CFexpress B, CFast 2.0, SD slots plus USB 3.2 hub for direct media ingest and device charging
- DisplayPort 1.4 drives one 8K monitor at 30 Hz or two 4K monitors at 120 Hz
Specifications
| Brand | LACIE |
|---|---|
| Series | 2big Dock |
| Model | STLG48000400 |
| Part Number | STLG48000400 |
| Drive | 48 TB installed (hot-swappable IronWolf Pro enterprise drives) |
| External I/O | Thunderbolt 4, USB4, USB 3.2, USB 3.0 |
| RAID Levels | RAID 0/1 |
| 3.5" Drive Bays | 2 |
| Dimensions | 4.6" (W) x 8.5" (D) x 3.7" (H) |
| Weight | 8.51 lb |
| Shipping weight | 4.44 kg |
| Package size | 217 × 118 × 93 mm |
Questions about this item
What does the box contain and what must I purchase separately?
The unit ships with the 48 TB RAID enclosure, two pre-installed hot-swappable IronWolf Pro drives, a Thunderbolt 4 cable and a power supply. No extra drives or modules are required for operation.
How do I choose between the RAID 0 and RAID 1 modes offered on this STLG48000400?
RAID 0 stripes data across both drives for maximum throughput up to 550 MB/s and the full 48 TB volume. RAID 1 mirrors the drives for redundancy, halving usable space but protecting against a single drive failure.
What does the 550 MB/s headline speed mean when the dock is connected to my computer?
The 550 MB/s figure is the maximum sustained transfer rate over the Thunderbolt 4 link in RAID 0. Real-world speeds depend on the host port, cable quality, file sizes and the workload you run.
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