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Compact silver rectangular SSD with integrated USB-C cable and rubber bumper, palm-sized and rugged

Titanium Micro

Titanium Micro Mercury 4TB portable SSD

SKU CH-38GW-STKY0

A rugged 4 TB external SSD with IP66 dust and water resistance, MIL‑STD‑810 shock protection up to 1.5 metres, and up to 1000 MB/s read and write speeds over USB 3.2 Gen 2

  • Total capacity4 TB
  • Sequential read speedUp to 1,000 MB/s
  • Sequential write speedUp to 1,000 MB/s
  • Interface typeUSB 3.1
  • NAND flash type3D NAND
  • Product depth2.4 in (6.1 cm)

Capacity 4TB

  • Up to 1000 MBps read and write speeds
  • IP66 dust and water resistance
  • MIL-STD-810 shock resistance up to 1.5 metres
  • Fixed USB 3.2 Gen 2 cable with USB-A adapter
  • Slim aluminium alloy body weighs 5.9 oz

Mercury 4TB Portable SSD

The Titanium Micro Mercury is a 4TB external solid-state drive built around an NVMe controller with a USB 3.2 Gen 2 connection. It targets photographers, videographers and other creatives who need fast, rugged storage for large media files while working in the field.

Plug-in NVMe drive with fixed cable

The drive uses a fixed USB 3.2 Gen 2 cable and includes a USB Type-C to Type-A adapter for broad host compatibility. No driver installation is required on Windows, macOS, game consoles or OTG-enabled Android devices. The non-detachable cable prevents loss but cannot be replaced if damaged.

4TB capacity with IP66 and drop protection

Sequential reads and writes reach up to 1000 MB/s, handling 4K video offloads and high-resolution photo libraries comfortably. The IP66 rating and 1.5 m drop spec protect the drive in harsh environments. Sustained workloads that exceed the thermal limits of the compact aluminium and silicone enclosure will throttle speeds.

How it compares

Measured against everything we stock in Portable USB SSDs, at today’s prices. Recalculated every night.

Price $405.99
Pricier than about 78% of the 410 comparable items (median $202.99).
Total capacity 4 TB
Higher than about 90% of the 311 comparable items (median 1 TB).
Sequential read speed Up to 1,000 MB/s
Lower than about 70% of the 157 comparable items (median 1,050 MB/s).
Price per TB $101.50 per TB
Cheaper than about 75% of the 310 comparable items (median $142.00 per TB).

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Specifications

Product
Brand nameTitanium Micro
Product lineMercury
Model nameMCRSSD4 TB
Total capacity4 TB
Performance
Sequential read speedUp to 1,000 MB/s
Sequential write speedUp to 1,000 MB/s
Storage
NAND flash type3D NAND
Ports & slots
Interface typeUSB 3.1
Size & build
Overall width4.7 in (11.9 cm)
Product depth2.4 in (6.1 cm)
Overall height0.7 in (1.78 cm)
Product weight5.9 oz

Other versions of this model

3 more in the same range

Questions about this item

How do I confirm the drive is hitting the advertised 1000 MB/s read and write speeds after connecting it?

Run a benchmark tool such as CrystalDiskMark or Blackmagic Disk Speed Test on a USB 3.2 Gen 2 port; you should see sequential results close to 1000 MB/s for both read and write.

What ships in the box and what extra items might I need to buy?

The Mercury 4TB SSD arrives with its fixed USB 3.2 Gen 2 Type-C cable and a Type-C to Type-A adapter included; no separate cable or adapter purchase is required.

Which capacity should I choose if I need to store hours of 4K footage and large photo libraries?

The 4TB model provides enough space for extensive 4K video projects and high-resolution photo archives while keeping the same 1000 MB/s performance and IP66 ruggedness.

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