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SABRENT Rocket Nano XTRM 4TB External SSD – Thunderbolt 3 | 2700 MB/s | 900 MB/s USB 3.2 Gen 2 | Compact Aluminum | Both Cables Included | Mac, PC, Linux (SB-XTMN-4TB)
SABRENT

SABRENT Rocket Nano XTRM 4TB External SSD

Bottom line: The SABRENT Rocket Nano XTRM 4TB External SSD: 2700 MB/s over Thunderbolt 3's 40Gbps link, fast enough for 4K/6K editing off the drive; main trade-off: drops to 900 MB/s on USB 3.2 Gen 2, a third of the Thunderbolt rate.

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Mike Perry — Hardware researcher since 2014. For external drives and portable storage, 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

  • ✓ 2700 MB/s over Thunderbolt 3's 40Gbps link, fast enough for 4K/6K editing off the drive
  • ✓ 4TB of NVMe storage in a 2.95 x 1.34 x 0.71 inch, 1.69 oz aluminum body
  • ✓ Bus-powered with no adapter, so one cable handles data and power
  • ✓ Thunderbolt/USB-C and USB-C to USB-A cables both included in the box
  • ✓ 3-year coverage extends free to 5 years if you register at sabrent.com within 90 days

Cons

  • ✗ Drops to 900 MB/s on USB 3.2 Gen 2, a third of the Thunderbolt rate
  • ✗ Full 2700 MB/s needs a Thunderbolt 3 host, so many PCs see USB speeds only
  • ✗ Aluminum shell gets warm during sustained transfers and the silicone sleeve traps that heat

SpecPicks Verdict

SpecPicks scored SABRENT Rocket Nano XTRM 4TB External SSD using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. SABRENT's external 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 external 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

  • THUNDERBOLT 3 — 2700 MB/s OVER THE 40 GBPS INTERFACE — Intel Thunderbolt 3 delivers up to 2700 MB/s for uninterrupted 4K/6K video editing, RAW file backup, and high-speed project transfers. Falls back seamlessly to USB 3.2 Gen 2 at up to 900 MB/s and remains backward compatible with all USB ports. Maximum speeds on every connection.
  • 4TB IN ONE OF THE MOST COMPACT THUNDERBOLT 3 PORTABLES — 4TB of high-speed NVMe storage in a 2.95" × 1.34" × 0.71", 1.69 oz aluminum body. Shirt-pocket sized and bus-powered — no power adapter needed. Built for professionals who move between locations and can't afford to wait on transfers.
  • ALUMINUM CHASSIS WITH INCLUDED SILICONE SLEEVE — The solid aluminum body improves heat dissipation during sustained transfers to protect your data, while adding durability over plastic. The included silicone sleeve provides additional drop and scratch protection — ready for travel, studio work, and demanding field environments.
  • BOTH CABLES INCLUDED — THUNDERBOLT AND USB-C TO USB-A — No extra purchases needed. Comes with both a Thunderbolt/USB-C cable and a USB-C to USB-A cable. Bus-powered and plug-and-play with no drivers required. Works with Mac, PC, Linux, and any compatible Thunderbolt or USB device right out of the box.
  • 3-YEAR STANDARD COVERAGE — EXTENDABLE TO 5 YEARS FREE — Sabrent backs the Rocket nano XTRM with 3-year standard coverage. Register at sabrent.com within 90 days of purchase for a free 5-year extension. US-based support team for hassle-free claims.

Full Specifications

BrandSABRENT
Weight1.69 oz
Model NameSB-XTMN-4TB
Read Speed2700 megabytes_per_second
Unit Count1 Count
Media Speed2700 megabytes_per_second
ConnectivityUSB-C
Model NumberSB-XTMN-4TB
CompatibilityPC, Mac, Linux
Built-In MediaUSB Cable
Hard Disk Size4 TB
Hard-Drive Size4 TB
Mfr Part NumberSB-XTMN-4TB
Number of Items1
Special FeatureBackward Compatible, LED Light, Portable
Installation TypeExternal Hard Drive
Compatible DevicesDesktop, Laptop
Data Transfer Rate2700 megabits_per_second
Additional FeaturesBackward Compatible, LED Light, Portable
Hard Disk InterfaceThunderbolt
Full listing titleSABRENT Rocket Nano XTRM 4TB External SSD – Thunderbolt 3 | 2700 MB/s | 900 MB/s USB 3.2 Gen 2 | Compact Aluminum | Both Cables Included | Mac, PC, Linux (SB-XTMN-4TB)

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SABRENT Rocket Nano XTRM 4TB External SSD – Thunderbolt 3 | 2700 MB/s | 900 MB/s USB 3.2 Gen 2 | Compact Aluminum | Both Cables Included | Mac, PC, Linux (SB-XTMN-4TB) 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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