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Silver square portable SSD with magnetic back, USB-C cable and adapter

DATO

DATO ARES Q3 ARSQ3-1TB portable SSD 1TB USB 3.2 Gen 2x2 1600/1500 MB/s Silver

SKU CH-47M7-7EB0R

A portable 1 TB SSD with USB 3.2 Gen 2x2 speeds up to 1600/1500 MB/s and magnetic attachment for iPhone 15/16/17 Pro Max

  • Total capacity1 TB
  • Sequential read speedUp to 1,600 MB/s
  • Sequential write speedUp to 1,500 MB/s
  • Interface typeUSB 3.2 Gen 2 × 2
  • Form factorPortable
  • Cache memory1 TB

Capacity 1TB

  • Magnetic attachment secures the drive to iPhone 15/16/17 Pro Max via MagSafe
  • Read speeds up to 1600 MB/s and write speeds up to 1500 MB/s over USB 3.2 Gen 2x2
  • Records 4K ProRes HDR video directly to the drive without intermediate transfers
  • Weighs 40 grams with a compact 64 by 64.3 by 12 mm aluminium shell
  • Works with Windows, macOS, Linux, smartphones, tablets, PS5, Steam Deck and ROG Ally via USB‑C

1 TB magnetic portable SSD for iPhone Pro

The DATO ARES Q3 ARSQ3-1TB is a 1 TB portable SSD that attaches magnetically to iPhone 15, 16 and 17 Pro and Pro Max models using MagSafe. It provides direct 4K ProRes HDR recording without intermediate transfers. The drive also works with Windows, macOS, Linux, gaming consoles and other USB-C devices.

USB 3.2 Gen 2x2 interface limits real-world speed

The drive uses a USB 3.2 Gen 2x2 connection rated at 20 Gbps. Sequential reads reach up to 1600 MBps and writes up to 1500 MBps only when the host port supports the same standard. Older USB-C or USB-A ports will fall back to lower speeds and the supplied USB-C to A adapter is limited to 10 Gbps.

Magnetic mount requires MagSafe-compatible phone

Secure attachment depends on the MagSafe array built into iPhone 15 Pro, 16 Pro and 17 Pro Max models. Phones without MagSafe, cases that block the magnets or Android devices cannot use the magnetic feature and must rely on a cable connection instead.

How it compares

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

Price $134.99
Cheaper than about 69% of the 410 comparable items (median $202.99).
Total capacity 1 TB
Typical for this category: the median of 311 items is 1 TB.
Sequential read speed Up to 1,600 MB/s
Higher than about 66% of the 166 comparable items (median 1,050 MB/s).
Price per TB $134.99 per TB
Cheaper than about 54% of the 310 comparable items (median $142.00 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameDATO
Product lineARES Q3
Model nameARSQ3-1 TB
Part numberARSQ3-1 TB
Total capacity1 TB
Product colorSilver
Performance
Sequential read speedUp to 1,600 MB/s
Sequential write speedUp to 1,500 MB/s
Storage
Cache memory1 TB
Ports & slots
Interface typeUSB 3.2 Gen 2 × 2
Size & build
Form factorPortable
Overall width6.4 in x 6.4 in x 1.2 in
Product depth6.4 in x 6.4 in x 1.2 in
Overall height6.4 in x 6.4 in x 1.2 in
Product weight40 g
In the box
Included items40Gb/s USB-C to C cable with 10Gb/s USB- C to A adapter

Other versions of this model

3 more in the same range

Questions about this item

Which ARES Q3 capacity should I pick — 500GB, 1TB, 2TB or 4TB?

The 1TB model gives 1TB of cache and the quoted 1600 MB/s read, 1500 MB/s write; choose 500GB for lighter media, 2TB or 4TB if you need more space for 4K ProRes HDR projects.

What do the 1600 MB/s read and 1500 MB/s write figures mean when the drive is plugged into my laptop?

They are the maximum sequential speeds the controller can deliver over USB 3.2 Gen 2x2; real-world throughput will be lower if the host port, cable or thermal limits kick in.

What does USB 3.2 Gen 2x2 actually cap in everyday use?

The interface runs at 20Gbps, so the drive’s 1600/1500 MB/s peaks are the practical ceiling; any slower host port or cable will reduce the transfer rate accordingly.

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