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Netstor NA211TB3 Thunderbolt 3 to 3 PCIe Expansion Enclosure


The Expansion that Brings the Most Possibility

Creativity is not limited by your host computer. Since truly understanding professional video editors' application needs in the production field which generally requires multiple pro video/audio cards for varied development, this day three PCIe slots have been created for the proficient video producers and audio developers to utilize up to 3 specialty PCIe cards for their creative works. Now pro cards such as Red Rocket-X (graphics accelerator), Blackmagic DeckLink (video capture) and Avid Pro Tools (audio) can all work together in the same box for both studio and mobile on-site editing purposes to efficiently and smoothly accomplish your workflows.

Integrated High Speed PCIe Gen3 Switch

An ultra fast, high tech PCIe Gen3 switch has been thoughtfully built on the PCIe slots backplane to allow each PCIe 3.0 slot within expansion chassis to be kept at highest, full performance and achievements.

40Gbps Thunderbolt 3 Host Interface

Designed to feature Thunderbolt™ 3 interface (40Gb/s) capable of providing PCIe bandwidth up to 2750 MB/s, 2x times Thunderbolt 2, for diverse professional PCIe cards like video transcoding and video capture that mainly require higher throughput of data rate to the host computer.

Dual Thunderbolt 3 Ports - The USB C That Does It All

By the two Thunderbolt™ 3 (USB-C) ports, users can have the first port to computer while the second port to daisy-chain of up to five additional Thunderbolt peripheral devices with two 4K displays or one 5K display being positioned at the very end of the chain. USB 3.1 Gen 2 (10Gbps) is also supported: connecting one USB device to the second port for application is available.

Convenient Adjustable Fan Speeds

Carrying one front hot-swappable 8x8 cm ultra quiet cooling fan module, which provides most excellent airflow ventilation ever and ensures PCIe cards within can run long term without any high temp concern. Additionally, the fan speed of the cooling fan can be adjusted manually according to PCIe cards implementation situation within enclosure.

Mac certified. Works with All Series of Thunderbolt Mac

The Thunderbolt™ 3 NA211TB3 PCIe expansion chassis has passed Apple's strict certification testing process and is Mac certified, which supports and works with all series of Thunderbolt Mac.

Containing 2-Meter Thunderbolt 3 (40Gb/s) Active Cable

The included long two-meter Thunderbolt™ 3, 40Gbps, active cable allows users to freely arrange chassis on desktop, permitting a more flexible way to apply Thunderbolt 3 device to the working environment.

The Ultra Low Noise PSU

The built-in PSU's greatest acoustical performance with sound level under 22 dBA will surely meet video editors' requirement in the field.

Adding NVMe Flash Storage to Mac is now Possible !

For those who still worry the insufficient native flash storage capacity inside your Mac, now High Sierra you can use any brand, any capacity M.2 NVMe PCIe SSD1 with Netstor NP631N adapter2 in NA211TB3 chassis to work with any Thunderbolt 3 Mac.


Host Interface

Thunderbolt™3 (Dual Port USB-C for Daisy Chain)

Data Transfer Rate


No. of PCIe Slots

Three PCIe 3.0 x8 (Two slots are available for PCIe x16 card)

Thunderbolt Expansion

Up to Six Thunderbolt devices

LED Display for Enclosure

Power On


Aluminum housing with solid metal structure

Power Supply

Single 300W PSU (High-Efficiency & Low Noise)

Input: 90-230 VAC/50-60 HZ

Output: +5V and +12V

(With two PCIe 6+2 pin & one 4 Pin auxiliary power cable)


371(D) x 110(W) x 200(H) mm

14.6 (D) x 4.3 (W) x 7.87 (H) inch


One Hot-Swappable 80 x80 x20 mm Cooling Fan

System Support

MacBook Pro(2016) with a Thunderbolt 3 port

Note: Thunderbolt 2 Mac will request a Thunderbolt 3(USB-C) to Thunderbolt 2 adapter from Apple.

O.S. Support

Mac OS X 10.12.3 above

PCIe card Driver Request

Third-party PCIe card should support Mac OS with Thunderbolt aware's driver

PCIe card Size Available

Full length (315mm), full height (120mm) PCIe cards

Operating Temperature

0 to 40°C (32 to 104°F)

Storage Temperature

-10 to 50°C (14 to 122°F)

Relative Humidity

20 to 80% (non-condensing)

Package Content

Enclosure x 1

Thunderbolt3-40Gbps cable x 1 (2 meter)

Carry Bag x 1

Power Cord x 1


Model No.



Thunderbolt3 to PCIe Expansion Chassis, Supporting up to Three(3) full-length and full-height PCIe cards, with bulit-in 300W single power supply and providing extra 6+2 pin PCIe power cable, One Thunderbolt3, 2 meter cable.

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers (Netstor) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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