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- USB4 External Drives (Modern USB – Up to 40Gb/s)
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- External SSD
- Acasis 40Gbps Dual NVMe External SSD with Lexar NM790 – Thunderbolt 3/4 & USB4, Up to 16TB Acasis 40Gbps Dual NVMe External SSD with Lexar NM790 – Thunderbolt 3/4 & USB4, Up to 16TB






Acasis 40Gbps Dual NVMe External SSD with Lexar NM790 – Thunderbolt 3/4 & USB4, Up to 16TB
- Description
- Specifications
- Compatibility
- Reviews
Unleash next-generation external storage with the Acasis 40Gbps Dual NVMe External SSD with Lexar NM790. This pre-built solution combines the high-speed Acasis dual NVMe RAID enclosure with the ultra-fast Lexar NM790 PCIe Gen4 SSD, delivering desktop-class performance in a portable form factor.
With support for 40Gbps bandwidth, you can achieve speeds up to 3,000–3,500 MB/s, making it perfect for 4K/8K video editing, gaming libraries, and AI/ML workloads. Choose RAID 0 for maximum speed, RAID 1 for mirrored data protection, or JBOD/Single mode for flexible storage options. The rugged aluminium alloy body with an intelligent cooling fan ensures sustained performance under heavy workloads.
Compatible with Thunderbolt 3, Thunderbolt 4, USB4, and USB 3.2, this external SSD delivers universal connectivity across Mac, PC, and tablets. Available in configurations up to 16TB, it’s the ultimate storage solution for creators, gamers, and professionals who demand speed, reliability, and scalability.
Highlights
- Extreme Performance – Up to 40Gbps transfer speeds with PCIe Gen4 Lexar NM790 SSDs
- Multiple RAID Modes – RAID 0 for speed, RAID 1 for redundancy, JBOD/Single for flexibility
- High Capacity – Configurable with Lexar NM790 SSDs up to 16TB total storage (SSD is installed in pair)
- Professional-Grade Build – Aluminium alloy enclosure with silent intelligent cooling fan
- Universal Compatibility – Works with Thunderbolt 3, Thunderbolt 4, USB4, and USB 3.2 devices
- Optimised for Creators – Ideal for 4K/8K video editing, VFX, gaming, and AI/ML workflows
- Plug-and-Play – Pre-built solution, no assembly required
What’s in the Box
- Pre-assembled Acasis 40Gbps Dual NVMe RAID Enclosure with installed 2 x Lexar NM790 SSD(s)
- Thunderbolt 3 / USB4 cable
- External power adapter
- User manual & documentation
- Thermal pads and mounting screws (pre-fitted where applicable)
Enclosure Model: Acasis 40Gbps Dual NVMe SSD RAID Enclosure
- Interface: Thunderbolt 3 / USB4, up to 40Gbps
- Drive Bays: 2 × M.2 NVMe (M-key) 2280 slots
- RAID Modes: RAID 0, RAID 1, JBOD, Single
- Max Capacity: Up to 16TB (2 × 8TB)
- Cooling: Aluminium chassis with advanced heat dissipation / active cooling
- Display Output: Up to 8K @ 60Hz (single display)
- In the Box: Enclosure, TB3/USB4 cable, power adapter, user manual
SSD Model: Lexar NM790 PCIe Gen4x4 NVMe SSD
- Form Factor: M.2 2280
- Interface: PCIe Gen4 x4, NVMe
- Sequential Speeds: Up to 7400MB/s read & 6500MB/s write (per drive)
- Capacities Used: 1TB / 2TB / 4TB (configurable to 2× for up to 16TB total)
- Endurance (TBW): up to 3000TBW (model-dependent)
- Thermals: Slim graphene heat spreader; HMB & Dynamic SLC caching
- Warranty (SSD): 5-Year Limited (per manufacturer)
Notes: Real-world performance depends on host port (TB3/TB4/USB4), RAID mode, and workload. Display output availability/configuration depends on host support.
- Hosts: Thunderbolt 3, Thunderbolt 4, USB4, and USB-C (USB 3.2) computers
- Operating Systems: macOS, Windows, Linux
- Use Cases: 4K/8K video editing, large media libraries, VFX, gaming libraries, AI/ML datasets, fast backup
- Cables/Power: Includes TB3/USB4 cable; external power adapter supplied with enclosure