Product comparison · 2 external solid state drives

iStorage diskAshur PRO3 SSD vs Lenovo 4XB1T91891 external solid state drive

20specifications compared
13differ
7identical
25known for one product only

Key differences

The Lenovo 4XB1T91891 external solid state drive has 602 MB/s more read speed than the iStorage diskAshur PRO3 SSD (1050 MB/s vs 448 MB/s). The Lenovo 4XB1T91891 external solid state drive has 556 MB/s more write speed than the iStorage diskAshur PRO3 SSD (1000 MB/s vs 444 MB/s). The Lenovo 4XB1T91891 external solid state drive has 26.9 mm more width than the iStorage diskAshur PRO3 SSD (109.9 mm vs 83 mm). SSD capacity: 1 TB on the iStorage diskAshur PRO3 SSD, 512 GB on the Lenovo 4XB1T91891 external solid state drive. USB connector: USB Type-A / USB Type-C on the iStorage diskAshur PRO3 SSD, USB Type-C on the Lenovo 4XB1T91891 external solid state drive.

SSD capacity
- diskAshur PRO3 SSD:1 TB
- 4XB1T91891 external solid state drive:512 GB
Read speed
- diskAshur PRO3 SSD:448 MB/s
- 4XB1T91891 external solid state drive:1050 MB/s
Write speed
- diskAshur PRO3 SSD:444 MB/s
- 4XB1T91891 external solid state drive:1000 MB/s
USB connector
- diskAshur PRO3 SSD:USB Type-A / USB Type-C
- 4XB1T91891 external solid state drive:USB Type-C
USB version
- diskAshur PRO3 SSD:3.2 Gen 1 (3.1 Gen 1)
- 4XB1T91891 external solid state drive:3.2 Gen 2 (3.1 Gen 2)
Product colour
- diskAshur PRO3 SSD:Black
- 4XB1T91891 external solid state drive:Grey
Operating temperature (T-T)
- diskAshur PRO3 SSD:0 - 40 °C
- 4XB1T91891 external solid state drive:0 - 45 °C
Width
- diskAshur PRO3 SSD:83 mm
- 4XB1T91891 external solid state drive:109.9 mm

Side by side

Differences highlightedShow differences only

Comparison of diskAshur PRO3 SSD, 4XB1T91891
45 specifications	A iStorage diskAshur PRO3 SSD View product	B Lenovo 4XB1T91891 external solid state drive Model 4XB1T91891 View product
Solid state drive3 differ
SSD capacityDiffers	1 TB	512 GB
SSD form factorKnown for one	2.5"	Unknown — not stated by the source
Read speedDiffers	448 MB/s	1050 MB/s
Write speedDiffers	444 MB/s	1000 MB/s
Ports & interfaces2 differ
USB connectorDiffers	USB Type-A / USB Type-C	USB Type-C
USB versionDiffers	3.2 Gen 1 (3.1 Gen 1)	3.2 Gen 2 (3.1 Gen 2)
Thunderbolt technology	No	No
Wi-Fi	No	No
Features2 differ
Product colourDiffers	Black	Grey
Housing material	Metal	Metal
Protection featuresKnown for one	Dust resistant, Water resistant	Unknown — not stated by the source
Windows operating systems supported	Yes	Yes
Mac operating systems supported	Yes	Yes
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mobile operating systems supported	Android	Android
Compliance certificatesKnown for one	C-TICK, CE, Federal Communications Commission (FCC), REACH, RoHS, Trade Agreements Act (TAA), UKCA, WEEE	Unknown — not stated by the source
CertificationDiffers	FIPS 140-3 Level 3 compliant The diskAshur PRO3 HDD/SSD is pending the new FIPS 140-3 Level 3 validation standard. The recent successful evaluation and issuance of the CAVP certificates demonstrates compliance with the latest U.S. government computer security standards for cryptographic modules. The	FCC IC, CE, CB, VCCI, RCM
Securityidentical
Hardware encryptionKnown for one	Yes	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
PIN-secured accessKnown for one	Yes	Unknown — not stated by the source
Lock-out functionKnown for one	Yes	Unknown — not stated by the source
Security algorithmsKnown for one	256-bit AES-XTS, 256-bit AES-ECB, 256-bit AES-CBC	Unknown — not stated by the source
TRIM supportKnown for one	Yes	Unknown — not stated by the source
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 45 °C
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensions4 differ
WidthDiffers	83 mm	109.9 mm
DepthDiffers	20.8 mm	28.9 mm
HeightDiffers	131 mm	8.9 mm
WeightDiffers	257 g	40 g
Packaging dataidentical
Package type	Box	Box
Package widthKnown for one	Unknown — not stated by the source	201 mm
Package depthKnown for one	Unknown — not stated by the source	90 mm
Package heightKnown for one	Unknown — not stated by the source	25 mm
Package weightKnown for one	Unknown — not stated by the source	117 g
Packaging content1 differ
Cables includedDiffers	USB Type-A, USB Type-C	USB Type-C to USB Type-C
Quick start guideKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Waste Electrical and Electronic Equipment (WEEE) complianceKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Keypad integratedKnown for one	Yes	Unknown — not stated by the source
USB Power Delivery (USB PD)Known for one	Yes	Unknown — not stated by the source
Warranty periodKnown for one	3 year(s)	Unknown — not stated by the source
Logistics dataidentical
Export Control Classification Number (ECCN)Known for one	5A992c	Unknown — not stated by the source
Harmonized System (HS) codeKnown for one	84717098	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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