Netac Z Slim USB 3.2 Gen 2 Portable SSD 500GB vs SanDisk Extreme PRO Portable SSD 1TB

Researched, not hands-on tested.How we review ›

all judged against External SSDs at a similar price

The SanDisk Extreme PRO Portable SSD 1TB scores 7.8/10 overall, ahead of the Netac Z Slim USB 3.2 Gen 2 Portable SSD 500GB at 4.8/10.

The SanDisk Extreme PRO Portable SSD 1TB leads on speed, build and ruggedness, security and warranty.

They score the same on compatibility.

The biggest difference is security, where the SanDisk Extreme PRO Portable SSD 1TB scores 8/10 to the Netac Z Slim USB 3.2 Gen 2 Portable SSD 500GB's 3/10.

Netac Z Slim USB 3.2 Gen 2 Portable SSD 500GB

4.8/10verdict: skip

The Netac Z Slim 500GB is for people who want a very small, light external drive for everyday file carrying and backups. It suits buyers who value the aluminium casing and the two included cables over top transfer speed. It is a poor fit if you need encryption, a rugged rating or the fastest sustained transfers.

Typically about £53.29 in the UK when we researched itCheck price at Amazon UK

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SanDisk Extreme PRO Portable SSD 1TB

7.8/10verdict: buy

The SanDisk Extreme PRO Portable SSD 1TB is for people who carry large files between machines and want a durable, fast bus-powered drive. It suits those who value hardware encryption and a long warranty. Buyers who mainly want the lowest cost per terabyte will find owners calling it a premium purchase.

Typically about £155.99 in the UK when we researched itCheck price at Amazon UK

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Scores, criterion by criterion

Criterion	Weight	Netac Z Slim USB 3.2 Gen 2 Portable SSD 500GB	SanDisk Extreme PRO Portable SSD 1TB
Speed	30%	4/10	8/10
Build and ruggedness	20%	5/10	8/10
Compatibility	20%	6/10	6/10
Security	15%	3/10	8/10
Warranty	15%	6/10	9/10
Overall		4.8/10	7.8/10

Specifications

Spec	Netac Z Slim USB 3.2 Gen 2 Portable SSD 500GB	SanDisk Extreme PRO Portable SSD 1TB
Capacity	500GB	1TB (1000GB user storage; 1024GB raw)
Interface	USB 3.2 Gen 2 Type-C (backwards compatible with USB 3.2 Gen 1 and USB 2.0); ssd-tester.com lists USB 3.2 Gen 1x1 (5 Gbit/s)	USB 3.2 Gen 2x2, USB-C connector
Sequential read	up to 550MB/s (manufacturer); ssd-tester.com measured 511.94MB/s	2000MB/s
Sequential write	not listed	2000MB/s
Drop and water rating	No IP or drop rating published; casing is aluminium alloy	IP65 and up to 3 m drop protection (manufacturer); two reviews state IP55 and 2 m drop protection
Encryption	not listed	256-bit AES hardware encryption with password protection
Warranty	3-year limited warranty	5-year limited warranty

Strengths and weaknesses

Netac Z Slim USB 3.2 Gen 2 Portable SSD 500GB

+ Thin, light aluminium body at about 30g and 9mm
+ Includes a USB-C to A cable and an A-to-C adapter
+ 3-year limited warranty
− No IP or drop rating published
− Encryption not published for this model
− Sustained speed falls below peak on large transfers

Skip it if:

Buyers who need hardware encryption or password protection
Anyone who wants a published IP or drop rating for rough use
People who regularly move very large files and need consistent sustained speed

Read the full Netac Z Slim USB 3.2 Gen 2 Portable SSD 500GB review ›

SanDisk Extreme PRO Portable SSD 1TB

+ 2000MB/s listed read and write over USB 3.2 Gen 2x2
+ Aluminium and silicone build; owners report it survives water and drops
+ 256-bit AES hardware encryption and a 5-year warranty
− USB-C port has no protective cover
− Owners call the price premium against other 1TB USB-C drives
− Research lists no OS, phone or console support

Skip it if:

Buyers who want the lowest cost for 1TB and don't need Gen 2x2 speed
Anyone who wants a port cover to keep dust and debris out
Users who need confirmed support for consoles, phones or Linux

Read the full SanDisk Extreme PRO Portable SSD 1TB review ›

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