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Silver aluminium four-bay NVMe enclosure with dual fans and USB-C port

Syba

Syba SY-TDB40180 4-bay USB4 40Gbps NVMe drive enclosure

SKU CH-4SKA-G8T8S MPN SY-TDB40180

Four-bay USB4 enclosure holds up to 32 TB of M.2 NVMe SSDs and clones one drive to three offline at 40 Gbps

  • Offline cloning from one drive to three simultaneously without a host computer
  • USB4 40Gbps and Thunderbolt 3/4/5 connectivity for up to 40Gbps transfer speed
  • Four bays accept M-Key and B+M Key NVMe SSDs in 2230 2242 2260 2280 sizes up to 32TB total
  • ASMedia ASM2464 chipset drives the PCIe NVMe interface for high bandwidth and low latency
  • Dual 8cm silent fans and full aluminium alloy case keep drives cool under heavy load

Four-bay NVMe docking station

The Syba SY-TDB40180 is a USB4 40Gbps enclosure that holds up to four M.2 NVMe drives simultaneously. It uses the ASMedia ASM2464 chipset to deliver high-bandwidth, low-latency storage access. The aluminium chassis and dual 8cm fans keep temperatures low during sustained workloads. It targets professionals who need fast external arrays for 4K or 3D content workflows.

Check host port and drive type

Verify that your computer provides a USB4 or Thunderbolt 3/4/5 port with a USB-C connector to reach the stated 40Gbps ceiling. Only M-key or B+M-key NVMe SSDs in 2230, 2242, 2260 or 2280 form factors are supported. M.2 SATA or B-key AHCI drives will not function in this unit. The total installed capacity can reach 32TB across all four bays.

Standalone cloning and system integration

Offline duplication copies one source drive to up to three targets without a host connection, saving time during drive upgrades or backups. The dock is plug-and-play once attached to a compatible port and requires no additional drivers. Its full aluminium build withstands frequent drive swaps in studio or field environments. It frees internal slots by moving high-speed NVMe storage outside the chassis.

How it compares

Measured against everything we stock in External Drive Enclosures, at today’s prices. Recalculated every night.

Price $98.99
Pricier than about 80% of the 821 comparable items (median $30.99).

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Specifications

Size & build
Shipping weight1.36 kg
Package size321 × 213 × 64 mm

Questions about this item

What comes in the box with the Syba SY-TDB40180 and do I need to buy NVMe drives separately?

The enclosure includes the four-bay aluminium chassis with dual 8 cm fans and a USB4 cable. NVMe SSDs are not included and must be purchased separately.

Which M.2 form factors and key types does the SY-TDB40180 accept?

Each bay supports M-key and B+M-key NVMe drives in 2230, 2242, 2260 and 2280 sizes. SATA-based M.2 drives are not compatible.

What does the 40 Gbps headline speed mean when the dock is connected to a real computer?

With a USB4 or Thunderbolt 3/4/5 host port the ASM2464 chipset can deliver up to 40 Gbps aggregate bandwidth across the four bays, limited by the installed NVMe drives and host controller.

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