The ASUS ProArt PA40SU USB4 40Gbps NVMe SSD Enclosure is built for professional creators who regularly move large volumes of data and cannot afford thermal throttling to slow them down. It combines USB4 technology at up to 40Gbps with a four-level smart cooling fan and a tool-free design, all in an ultraslim 13.5mm chassis. The exclusive ProArt SSD Dashboard provides real-time monitoring so creators can keep an eye on drive health and performance without interrupting their workflow.
Why This Product
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USB4 speeds up to 40Gbps
— The USB4 interface with USB-C connector delivers up to 40Gbps, accelerating large file transfers and backups considerably faster than USB 3.2 connections. It also maintains backward compatibility with USB 3.2 Gen 2, Gen 1, and USB 2.0.
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Four-level smart fan prevents throttling
— An active four-level smart cooling fan keeps the enclosure at its optimal operating temperature during hours of continuous use, sustaining peak transfer speeds without performance dips.
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Ultraquiet at just 18.2dB(A)
— Even under sustained heavy transfer loads, the cooling fan maintains an acoustic profile of just 18.2dB(A), keeping noise levels low in studio or office environments.
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Tool-free SSD installation
— A push-to-open mechanism lets you install or swap an NVMe SSD in seconds — no screwdrivers required, making it practical for creators who work across multiple machines or locations.
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ProArt SSD Dashboard for real-time monitoring
— The exclusive ProArt SSD Dashboard gives a live view of drive status and performance through a custom UI, so you can spot issues before they affect a project.
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Ultraslim 13.5mm portable profile
— At 124.8 × 46.5 × 13.5mm and 127g, this enclosure is designed to travel with a laptop bag without adding bulk, finished in Stealth Black for a professional look.
At a Glance
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Interface
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USB4 with USB-C connector (up to 40Gbps)
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SSD Support
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M.2 NVMe PCIe (M Key), 2230 / 2280
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Dimensions
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124.8 × 46.5 × 13.5mm
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Weight
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127g
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Noise Level
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18.2dB(A)
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OS Support
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Windows 11 / 10, macOS 14.4 or later
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Warranty
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1 Year
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Colour
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Stealth Black
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Compatibility
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✓ Accepts M.2 NVMe PCIe SSDs in 2230 (22 × 30mm) and 2280 (22 × 80mm) form factors with an M Key connector.
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✓ Supports SSD capacities of 1TB, 2TB, and 4TB.
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✓ Compatible with Windows 11 and Windows 10.
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✓ Compatible with macOS 14.4 or later.
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✓ Connects via USB-C and is backward compatible with USB 3.2 Gen 2, USB 3.2 Gen 1, and USB 2.0 hosts — though full 40Gbps speeds require a USB4 host port.
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✗ Does not accept SATA M.2 drives or M.2 SSDs in form factors other than 2230 and 2280.
Best For / Trade-offs
Best for:
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Professional video editors and 3D artists
who transfer large-scale 8K RAW or 3D asset files regularly and need sustained 40Gbps throughput without throttling.
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Creators working on location
who need a portable, lightweight enclosure — at 127g and 13.5mm thin — that can keep up with demanding transfer workloads.
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Users who monitor drive health proactively
, thanks to the dedicated ProArt SSD Dashboard providing real-time visibility.
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Those with USB4-equipped machines
running Windows 10 / 11 or macOS 14.4 and later who want to fully utilise the 40Gbps bandwidth.
Trade-offs:
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Users without a USB4 host port
will not achieve 40Gbps; speeds will fall back to whatever USB generation the host supports.
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Anyone wanting to use a SATA M.2 SSD
— only NVMe PCIe M Key drives are supported.
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Budget-conscious buyers
who do not need active cooling or real-time dashboard monitoring and would be adequately served by a passive enclosure.
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Users on older macOS versions below 14.4
, which are not listed as compatible operating systems.
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Those needing a long warranty
— this enclosure carries a 1-year warranty, shorter than some competing enclosures in the market.
Description
The ProArt PA40SU is a premium USB4® M.2 NVMe® SSD enclosure engineered for professional creators who demand fast, stable storage in a refined portable form. With up to 40Gbps transfer speeds, it accelerates large file transfers and backups with ease.
Supporting high-speed NVMe SSDs in both 2230 and 2280 form factors, the ProArt PA40SU enclosure is built for creators who work with large-scale 3D assets and high-resolution 8K RAW content. In internal tests, it transferred up to 2960GB of data in 30 minutes of continuous use without throttling*.
*Based on internal 4TB file transfer tests conducted with ProArt PA40SU and a Phison PS5027-E27T Gen4 SSD. The testing involved continuous large-file data transmission for 30 minutes. Actual transfer time may vary based on SSD used.
Advanced thermal architecture with a four-level smart fan actively prevents thermal throttling to reliably sustain up to 40Gbps transfer speeds. And even during heavy data transfers, the ProArt PA40SU maintains an ultraquiet acoustic profile of just 18.2dB(A).
Achieving consistent 40Gbps performance requires more than just high-end chips; it demands thermal precision. The ProArt PA40SU has an active four-level smart fan to ensure the hardware remains at its optimal operating temperature even after hours of continuous use. This professional-grade thermal management design ensures creators experience uninterrupted productivity.
Specifications
General
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Brand
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ASUS
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Colour
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Stealth Black
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Form Factor
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Ultraslim enclosure, 13.5mm profile
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OS Compatibility
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Windows 11 / 10, macOS 14.4 or later
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Drive
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SSD Compatibility
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M.2 NVMe PCIe SSD (M Key), 2230 / 2280
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Supported SSD Capacity
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1TB / 2TB / 4TB
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Performance
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Interface
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USB4 with USB-C connector
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Backward Compatibility
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USB 3.2 Gen 2, USB 3.2 Gen 1, USB 2.0
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Speed
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Up to 40Gbps
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Cooling
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Four-level smart cooling fan
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Noise Level
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18.2dB(A)
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Power & Environment
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Power Requirements
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5V DC
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Operating Temperature
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0°C (32°F) - 40°C (104°F)
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Storage Temperature
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-40°C (-40°F) - 60°C (140°F)
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Dimensions
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124.8 × 46.5 × 13.5mm
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Weight
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127g
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Reliability