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Thunderbolt™ 3 to PCIe 3.0 x4 Expansion Chassis
Key Features:
Thunderbolt™ 3 40Gb/s Ports / Daisy Chain support for up to 6 devices
Dual Ultra-Quiet, High-Efficiency Cooling Fans
Supports 1x full-height/full-length/single-width PCIe card
Versatile Storage & Connectivity Expansion; NVMe AICs, USB/Mini SAS connectivity

Feature Specifications | RocketStor 6661A / RocketStor 6661B |
Host Ports | 2x Thunderbolt™ 3 Ports |
Daisy Chain | Supports Daisy Chain connections of up to six Thunderbolt™ devices. (Note, the Daisy Chain will end if connected to a USB or Display device via USB-C) |
TB3 Technology | • Daisy Chain up to 6 devices |
• Bi-directional, dual-protocol (PCI Express and DisplayPort) | |
• 8 lanes of DisplayPort 1.2 supports dual 4K displays or one 5K display | |
• Power delivery 15W to bus-powered devices | |
• Backward compatible to Thunderbolt™ 2 devices | |
• USB-C ports compatible with existing USB devices via USB-C cable, support up to USB 3.1 10Gb/s speed | |
System Requirements | Computer with a USB-C port (Thunderbolt™ 3) |
Computer with a Thunderbolt 2 port (via Thunderbolt™ 3 to Thunderbolt™ 2 Adapter) | |
macOS 10.10 and later | |
Windows 11,10, 8 Windows Server 2022, 2019,2016,2012R2 Only supports 64 bit operating system. | |
Thunderbolt4 supoort: • Support Mac Thunderbolt4 platform • Support Z690 chipset PC platform(Not support RR3700 and RR800 series) • Not support Z590 chipset PC platform | |
No. of PCIe Slots | 1-Slot: Electrical - x4 PCIe 3.0 (open end) |
PCIe Card Form Factor | Full-Height, Full-Length (up to 8.2”), Single-Width |
Enclosure Indicator | Power On |
Supported PCIe Cards | Any Thunderbolt™ Aware PCIe card including Audio, Video Capture, Ethernet, Fibre Channel, Storage/RAID controller cards, and PCIe SSD |
Chassis Design Features | Power on LED Indication (Blue) |
Rugged, Ultra-slim aluminum enclosure | |
Dual-Ultra Quiet, high-efficiency Cooling fans | |
Quick release thumbscrews for easy access | |
Power Supply | External 60W power supply |
Dimensions | 2.24"(W) x 9.84"(D) x 6.26" (H) |
Weight | 4.54 lbs. |
Material | Aluminum |
Warranty | 1 Year |
Power | INPUT: 100-240V ~ 1.5A 50-60Hz OUTPUT: 12V ~ 5A |
MTBF | 920,585 Hours |
Compliance Certification | FCC, CE, ROHS & REACH, WEEE |
Kit Contents | 1x RocketStor 6661B Expansion Chassis |
1x 40Gb/s Thunderbolt™ 3 cable | |
1x Power cord | |
1x Quick Installation Guide | |
1x Screws | |
1x Power adapter |
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