• Thunderbolt™ 3 40Gb/s Ports / Daisy Chain support for up to 6 devices
  • Dual Ultra-Quiet, High-Efficiency Cooling Fans
  • Easily install nearly any full-height/full-length PCIe 3.0 card
    (Storage I/O, Networking, Video, Sound)
  • Versatile Storage & Connectivity Expansion; NVMe RAID Drives, USB/eSATA/Mini-SAS connectivity

Ultra-Compact & Portable Thunderbolt™ 3 PCIe Expansion Chassis - transform your notebook into a compact media workstation!

The RocketStor 6661A allows you to quickly add any PCIe x4, x8 or x16 card to your Thunderbolt™ 3 capable computing platform; such as media capture, Ethernet, Fibre Channel, or external Storage/RAID controller cards. Like it's processor, The lightweight, small-footprint design is ideal for compact workstations and mobile computing platforms such as iMacs, MacBook's Pros and Razor notebooks. At just 7 inches tall, and less than 3 inches wide, the RocketStor 6661A is small enough to pack into a laptop bag, yet is capable of supporting full-sized PCIe 3.0 add-in cards.

Efficient Chassis Design keeps temperatures in check during Heavy Workloads

PCIe devices, such as networking, video and hardware RAID cards can generate a great deal of waste heat during heavy I/O; an efficient, reliable, cooling system is an essential component of any PCIe expansion solution. The RocketStor 6661A was designed to accommodate performance intensive applications. The ventilated, all-aluminum chassis and dual cooling fans keep temperatures in check during high-stress workloads.

Simple Plug and Play Installation

The RocketStor 6661A can be easily added to any Thunderbolt™ 3 capable Mac & PC platform via a single cable connection. Quick release thumbscrews and a slidable chassis cover make adding or removing PCIe cards a snap!

Step 1

Step 2

Step 3


Thunderbolt™ 3 I/O Adapter Solutions

RocketStor 6661A-NVMe

Thunderbolt™ 3 to NVMe RAID Adapter

The RocketStor 6661A-NVMe allows you to add lightning-fast NVMe RAID Storage to any Thunderbolt™ 3 capable PC platform. Each RocketStor 6661A-NVMe solution supports up to four M.2 SSD’s in RAID 0, 1, 5, 1/0 and single-drive configurations, and can deliver an astounding 2,700MB/s of transfer performance - ideal for professional media applications that require maximum sustained read and write speeds.

Connectivity Thunderbolt™ 3 (Type-C) to NVMe (M.2)
Transfer Speeds Up to 2,700MB/s
No. of Devices 4x M.2 NVMe SSD’s
I/O & Storage Configurations RAID 0, 1, 5, 1/0, single-disk

RocketStor 6661A-4USB

Thunderbolt™ 3 to 4x 10Gb/s USB 3.1 Adapter

Experience the performance of Thunderbolt™ and the convenience of USB, without compromise. The RocketStor 6661A-4USB allocates the 40Gb/s of transfer bandwidth provided by Thunderbolt™ 3 connectivity to power four dedicated 10Gbs USB 3.1 channels. This 4-in-1 combination is ideal for high-performance USB storage configurations but is also fully capable of supporting any USB 3.1/3.0/2.0 USB device or peripheral such as input devices, printers & scanners, or flash drives.

Connectivity Thunderbolt™ 3 (Type-C) to 4x USB 3.1 (Type-A)
Transfer Speeds 4x 10Gb/s
No. of Devices 4x USB 3.1/3.0/2.0
I/O & Storage Configurations Any industry standard USB device or peripheral


RocketStor 6661A-2U2e

Thunderbolt™ 3 to 2x 5Gb/s USB 3.0 + 2x 6Gb/s eSATA Adapter

The RocketStor 6661A-2U2e allows customers to transform a single Thunderbolt™ 3 port into an all-purpose external connectivity solution. Each RocketStor 6661A-2U2e features 2 6Gb/s eSATA ports and 2 USB 3.0 ports; each port operates independently and all can be used simultaneously. The USB ports support any industry standard USB 3.0/2.0 device or peripheral. The eSATA ports are ideal for external drive enclosures and can support SATA hard drives or SSD’s up to 14TB in size.

Connectivity Thunderbolt™ 3 (Type-C) to 2x USB 3.0 (Type-A) & 2x eSATA
Transfer Speeds 2x 5Gb/s / 2x 6Gb/s
No. of Devices 2x USB 3.1/3.0/2.0 + 2x 6GB/s SATA
I/O & Storage Configurations Any industry standard USB device or peripheral & SATA HDD or SSD

RocketStor 6661A-mSAS3

Thunderbolt™ 3 to 2x Mini-SAS Port Hardware RAID Adapter (8x SAS/SATA Channels)

The RocketStor 6661A-mSAS3 is a portable, high-performance Hardware RAID solution for Thunderbolt™ 3 capable platforms. Powered by our industry proven Hardware RAID stack, and featuring two industry-standard external Mini-SAS ports (SFF-8088), the RocketStor 6661A-mSAS3 can directly support up to eight SAS/SATA drives and 112TB of storage in one or more RAID configurations. Features two industry-standard external Mini-SAS ports (SFF-8088) which can directly support up to eight SAS/SATA hard drives and SSD’s in one or more RAID 0, 1, 5, 6, 1/0, 5/0 or JBOD configurations.

Connectivity Thunderbolt™ 3 (Type-C) to 2x external Mini-SAS Ports
Transfer Speeds 8x 6Gbs
No. of Devices 8x SAS/SATA
I/O & Storage Configurations Hardware RAID 0, 1, 5, 6, 1/0, 5/0 & JBOD

RocketStor 6661A-mSAS2

Thunderbolt™ 3 to 2x Mini-SAS Port Adapter (8x SAS/SATA Channels)

The RocketStor 6661A-mSAS2 delivers robust RAID protection, high-performance data throughput, and mass-storage capability, via a single Thunderbolt™ 3 connection. Each RocketStor 6661A-mSAS2 is powered by our industry proven RAID technology and features two industry-standard external Mini-SAS ports (SFF-8088) which can directly support up to eight SAS/SATA hard drives and SSD’s in one or more RAID 0, 1, 5, 1/0, 5/0 or JBOD configurations.

Connectivity Thunderbolt™ 3 (Type-C) to 2x external Mini-SAS Ports
Transfer Speeds 8x 6Gbs
No. of Devices 8x SAS/SATA
I/O & Storage Configurations RAID 0, 1, 5, 1/0, 5/0 & JBOD


RocketStor 6661A-eSATA

Thunderbolt™ 3 to 4x eSATA Ports Adapter

The RocketStor 6661A-eSATA is the industry’s most affordable storage expansion solution for Thunderbolt™ 3 host connectivity. The integrated RAID controller and four 6Gb/s eSATA ports directly supports up to 4 6Gb/s SATA hard drives, in one or more RAID 0, 1, 5 or JBOD configurations, and up to 54TB of storage capacity.

Connectivity Thunderbolt™ 3 (Type-C) to 4x eSATA
Transfer Speeds 4x 6Gb/s
No. of Devices 4x SATA HDD or SSD
I/O & Storage Configurations RAID 0, 1, 5 or JBOD