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Black rectangular portable SSD with rounded edges, USB-C port, aluminium core, 4.5 by 2.7 by .75 inches

Oyen Digital

Oyen Digital U34 Bolt 8TB USB4 portable SSD

SKU CH-28MJ-K7B7H

Portable NVMe SSD with USB4 40Gbps interface delivering up to 2800 MB/s speeds, MIL-Standard 810 ruggedness, and aluminium cooling core

  • Total capacity8 TB
  • Interface typeUSB4
  • Product colorBlack
  • Sustained 2800 MB/s cuts transfer time on large projects
  • USB4 40 Gbps works with Thunderbolt 3 and 4 hosts
  • MIL-STD 810F rated for shock, vibration and dust
  • Aluminium core keeps drive cool under heavy workloads
  • 6000 TBW endurance on the 8 TB model

Capacity and interface

The Oyen Digital U34 Bolt is an 8 TB portable solid-state drive that connects through a USB-C port running the USB4 40 Gbps specification. It uses an NVMe PCIe 4.0 x4 controller to reach sustained sequential transfers up to 2800 MB/s. The drive is formatted HFS+ for macOS out of the box and can be reformatted for other operating systems. It is built for professionals who move large media libraries between workstations.

Ruggedisation and thermal design

A MIL-Standard 810F rating certifies resistance to shock, vibration and dust for field use. An internal aluminum core acts as a heatsink to keep the controller within its 32 °F to 158 °F operating range during sustained writes. The ASMedia ASM2464PD bridge chip manages the USB4 link and maintains backward compatibility with Thunderbolt 3, Thunderbolt 4 and earlier USB hosts. Endurance is rated at 6000 TBW for the 8 TB model.

Creative workflows and compatibility limits

Video editors, photographers and audio engineers who need fast, durable external storage for on-location offloads will benefit from the throughput and rugged chassis. Users whose computers lack USB-C or Thunderbolt ports cannot reach the advertised speeds and should consider drives with legacy USB-A cables. The physical size of 4.5 by 2.7 by 0.75 inches may not fit tightly constrained equipment bags.

How it compares

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

Price $1,367.99
Pricier than about 91% of the 410 comparable items (median $202.99).
Total capacity 8 TB
Higher than about 93% of the 311 comparable items (median 1 TB).
Price per TB $171.00 per TB
Pricier than about 64% of the 310 comparable items (median $142.00 per TB).

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Specifications

Product
Brand nameOyen Digital
Product lineU34 Bolt
Total capacity8 TB
Product colorBlack
Ports & slots
Interface typeUSB4

Questions about this item

What is the endurance rating in terabytes written for the 8TB model?

The 8TB version is rated for 6000 TBW, indicating the total data you can write to the drive over its lifespan.

Does the ASMedia ASM2464PD controller throttle speeds during sustained heavy workloads?

The aluminum core is designed to manage internal temperature and maintain performance during demanding tasks.

How loud does the drive get when running continuously at full speed?

The drive has no moving parts and relies on a passive aluminum core for cooling, so it operates silently.

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