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USB4.0 (USB-C) 40G Portable NVMe M-Key (B+M) / NVMe / PCIe SSD (22110, 2280, 2260, 2242, 2230) Ultra Fast External SSD Docking (Docking Only)
IO CREST

USB4.0 (USB-C) 40G Portable NVMe M-Key (B+M) / NVMe / PCIe SSD (22110, 2280, 2260, 2242, 2230) Ultra Fast External SSD Docking (Docking Only)

Bottom line: The USB4.0 (USB-C) 40G Portable NVMe M-Key (B+M) / NVMe / PCIe SSD is a specs-and-price decision rather than a crowd-consensus one in the ssds & storage category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Ultra Speed USB 4.0 Gen 4x4 to M.2 NVMe SSD Enclosure.
  • ✓ Backed by IO CREST's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Aluminum alloy casing. Plug & Play. Direct insert your SSD into the bay slot without any tool. Excellent heat dissipation and air flow with "open air" design. It turns your M.2 NVMe SSD Enclosure M Key into a high-speed storage solution via a USB 4.0 Gen 4x4 connection, at up to 40Gbps throughput. The M.2 NVMe SSD docking fits easily into your laptop bag, which is ideal for traveling and carrying. Its lightweight yet durable aluminum housing helps to ensure your drive won't be damaged while you're on the move. Compatible with NVMe SSD size 22110 / 2280 / 2260 / 2242 / 2230, and works with…

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SpecPicks Verdict

SpecPicks scored USB4.0 (USB-C) 40G Portable NVMe M-Key (B+M) / NVMe / PCIe SSD… using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. IO CREST's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Ultra Speed USB 4.0 Gen 4x4 to M.2 NVMe SSD Enclosure.
  • It supports data transfer with USB4 and Thunderbolt 3/4/5 ports to achieve read speed up to 40Gbps.
  • Excellent heat dissipation. The dock is made of full aluminium alloy case. Its Direct Insert concept allows open air flow for passive cooling. Aluminum enclosure to withstands heavy use.
  • Supports M.2 NVMe / PCIe SSD with M-Key and B+M Key connectors in size of 22110/2280/2260/2242/2230 mm up to 8TB capacity. NOT compatible with M.2 SATA SSD and M.2 SATA AHCI B Key SSDs.
  • The NVMe interface (PCIe M.2 ) offers enhanced bandwidth, low latency, and power efficiency. Perfect for tech enthusiasts, high-end gamers, and 4K and 3D content designers.

Full Specifications

BrandIO CREST
ColorGray
Weight40g
Unit Count1 Count
ConnectivityUSB-C
Model NumberSY-TDB40178
Built-In MediaOne Type-C to Type-C Cable, One USB4/Thunderbolt to PCIe Gen4 x4 NVMe 40G Enclosure, One User Manual
Mfr Part NumberSY-TDB40178
Number of Items1
Hardware PlatformPC & Server
Compatible DevicesMacBook Pro (late 2016), professional workstations
Data Transfer Rate40 gigabits_per_second
Enclosure MaterialAluminum
Hardware InterfaceUSB4 Type C
Warranty Description2 Year Manufacturer
Hard Disk Form Factor3.5 inches
Connectivity TechnologyUSB4
Memory Storage Capacity8 TB
Item Dimensions L x W x H6"L x 3.8"W x 1.5"H
Supported Devices Quantity1

Ready to buy?

USB4.0 (USB-C) 40G Portable NVMe M-Key (B+M) / NVMe / PCIe SSD (22110, 2280, 2260, 2242, 2230) Ultra Fast External SSD Docking (Docking Only) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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USB4.0 (USB-C) 40G Portable NVMe M-Key (B+M) / NVMe / PCIe SSD (22110, 2280, 2260, 2242, 2230) Ultra Fast External SSD Docking (Docking Only)
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