• Supports up to three(3) two-thirds length PCIe cards
  • Built-in backplane for four(4) 2.5-inch HDDs or SSDs
  • 20Gbps high speed Thunderbolt 2 host interface in both channels
  • Stylish high quality aluminum housing with solid metal structure
  • Ease-of-adjusted Fan speed control board for various working environment
  • Internal high-efficiency and ultra-quiet 250W power supply

NA211TB-LD Thunderbolt 2 Storage and PCIe Expansion Product Description

Host InterfaceThunderbolt 2 (Dual Port for Daisy Chain)
Data Transfer Rate20Gbps Bi-directional
No. of PCIe SlotsTwo PCIe 2.0 x8 (One slot is available for PCIe x16 card)
One PCIe 2.0 x4
No. of Disk(s)Up to 4 (Supports 2.5″ HDD or SSD & Sold separately)
RAID LevelsRequires a RAID card with internal 4 port and Thunderbolt driver(RAID card sold separately)
Thunderbolt ExpansionUp to Six Thunderbolt devices
LED Display for EnclosurePower On
MaterialAluminum housing with solid metal structure
Power Supply 1356593672Single 250W PSU (High-Efficiency & Low Noise)
Input: 90-230 VAC/50-60 HZ
Output: +5V and +12V
Dimension371(D) x 110(W) x 200(H) mm
14.6 (D) x 4.3 (W) x 7.87 (H) inch
CoolingOne Hot-Swappable 80 x80 x20 mm Cooling Fan
System SupportNew Mac Pro, MacBook Pro, iMac, Mac mini, Mac mini Server or Windows PC with a Thunderbolt port
O.S. SupportMac OS X 10.6.8+/ 10.7.x/ 10.8.x/ Mavericks
PCIe card Driver RequestThird-party PCIe card should support Mac OS with Thunderbolt aware’s driver
PCIe card  Size AvailableFull Height & Card Length Available: 218(L)mm / 8.6(L) inch
Storage Temperature0 to 40°C  (32 to 104°F)
Operating Temperature-10 to 50°C  (-14 to 122°F)
Relative Humidity20 to 80% (non-condensing)




Hardware + Fan







The Netstor NA211TB-LD is a compact size Thunderbolt 2 enclosure that combines the storage capability of four(4) 2.5” SSDs or SAS/SATA HDDs with the expansion capability of three(3) PCIe slots. This allows users to add PCIe cards to any Thunderbolt-equipped computer using only one single Thunderbolt connection that provides up to 20Gbps data transfer rates bi-directionally. Setting up RAID volumes for the NA211TB-LD is very simple and only requires the addition of one RAID card.

Dedicated Enclosure for Application
The NA211TB-LD enclosure features a built in, ultra-quiet and eco-friendly 80-Plus certified power supply that provides 250 watts to support PCIe add-on cards. The storage portion of the NA211TB-LD features superior ventilation with front to back vent airflow and a large and quiet fan built-in with easily adjustable fan speeds for varied working situations.

Storing and Processing Economically
The NA211TB-LD enhances the I/O performance of computers and server workstations while simultaneously granting users the flexibility of portable storage. and power of specialty PCIe cards to the Thunderbolt host. The NA211TB-LD offers professionals an affordable and highly effective PCIe expansion solution.

Host Support
Mac   MAC• Mac mini, iMac, MacBook Pro, MacBook Air
with a Thunderbolt port (Mac OS X 10.6.8+)
RAID Card Support
Areca   Areca• ARC-1882x        • ARC-1882LP
• ARC-1213-4x     • ARC-1223-8x
ATTO   ATTO• ExpressSAS R680 (version 2.0+)
HighPoint    HighPoint• RocketRAID 2722    • RocketRAID 3622
• RocketRAID 4522
Audio Card Support
AVID     AVID• Pro Tools HDX    • Pro Tools HD Native
(Tested by Netstor)
 Lynx     Lynx Studio• AES16e
• HDSPe AES         • HDSPe RayDAT
 Universal Audio    Universal Audio• UAD-2 DUO         • UAD-2 QUAD
(version 6.3.1+)
Video Card Support
 Black Magic Design BlackMagic • DeckLink Studio   • DeckLink Quad   • Intensity Pro
• DeckLink HD 3D   • DeckLink 4K (version 9.5+)
 BluefishBluefish • Create 3D Ultra    • Create 3D
• Create HD          • Epoch Supernova S+
10G Networking Card
 MyricomMyricom• 10G-PCIE-8B-2C • 10G-PCIE-8B-2S • 10G-PCIE-8B-C
• 10G-PCIE-8B-S   • 10G-PCIE2-8B2-2C
• 10G-PCIE2-8B2-2S  (version v1.3.1+)

Enclosure x 1
Thunderbolt cable x 1 (2 meter)
Manual CD-ROM x1
Carry Bag x 1
Power Cord x 1

Model No.Description


Thunderbolt Expansion Chassis, Supporting up to Three(3) PCIe cards, with storage backplanewith, 250W single power supply, One Thunderbolt 2 meter cable.