SSDs / Compare

LaCie Rugged SSD4 vs Sandisk Extreme PRO Portable SSD with USB4

A

Product A: LaCie

Rugged SSD4

26 of 63 known

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B

Product B: Sandisk

Extreme PRO Portable SSD with USB4

30 of 63 known

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All 63 fields

Every value links to where we found it.

Only differences

ALaCie Rugged SSD4

BSandisk Extreme PRO Portable SSD with USB4

General

6 of 9 differ

Series

Rugged2Maker product pageseagate.com/products/creative-pro/lacie-rugged-ssd4Read 14 October 2026Page text calls the drive one of the high-performance Rugged portable SSDs. The what's-included list names it LaCie Rugged SSD4

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Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

STND1000400, STND2000400, STND40004001Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Ordering table: STND1000400 (1TB), STND2000400 (2TB), STND4000400 (4TB), region WW

SDSSDE82-2T00-G25, SDSSDE82-4T00-G252Maker product pagesandisk.com/products/ssd/external-ssd/sandisk-extreme-pro-usb-4-portable-ssdRead 14 October 2026SanDisk's own links for the page carry sku=SDSSDE82-2T00-G25 and sku=SDSSDE82-4T00-G25. TechRadar's spec table also reads SDSSDE82-2T00-G25

GTIN / EAN

763649185964, 8719706046206, 763649185988, 8719706046220, 763649186008, 87197060462441Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Ordering table: UPC and EAN per model. 1TB 763649185964 and 8719706046206. 2TB 763649185988 and 8719706046220. 4TB 763649186008 and 8719706046244. Multi-pack UPCs are not stored

619659194376, 6196591944069Spec databasecamelcamelcamel.com/product/B0DN6DK3X4Read 14 October 2026Search summary of the 4TB SDSSDE82-4T00-G25 listing gives UPC 619659194406 and retailers list EAN 0619659194406. Search summary of Farnell Ireland's listing for the 2TB SDSSDE82-2T00-G25 gives 0619659194376, which is UPC 619659194376. Both pages block direct fetches. Both codes have valid check digits

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

15 September 20254Press articlestoragenewsletter.com/2025/09/17/seagate-launches-lacie-rugged-ssd4-thunderbolt-5-up-to-4tb-portable-ssdRead 14 October 2026StorageNewsletter, 2025-09-17, repeats the Seagate announcement. PCWorld's review is dated 2025-09-15, the same day as the Seagate release

November 20248Press articlechargerlab.com/sandisk-unveils-extreme-pro-usb4-portable-ssd-high-speed-durable-storage-up-to-4tbRead 14 October 2026ChargerLAB article dated 22 November 2024 says SanDisk introduced its first USB4 portable SSD. It gives no ship date or price. Forbes places the announcement in November 2024 alongside other Western Digital flash products, but its page could not be fetched

Status

Available2Maker product pageseagate.com/products/creative-pro/lacie-rugged-ssd4Read 14 October 2026The Wayback Machine holds captures of the product page up to July 2026. Retailers such as Wex list the 2TB. Stock is mixed4Press articlestoragenewsletter.com/2025/09/17/seagate-launches-lacie-rugged-ssd4-thunderbolt-5-up-to-4tb-portable-ssdRead 14 October 2026Sold at launch through the Seagate webstore

Available2Maker product pagesandisk.com/products/ssd/external-ssd/sandisk-extreme-pro-usb-4-portable-ssdRead 14 October 2026The page is live for the 2TB and 4TB with a sku selector

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

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SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

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Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$249.994Press articlestoragenewsletter.com/2025/09/17/seagate-launches-lacie-rugged-ssd4-thunderbolt-5-up-to-4tb-portable-ssdRead 14 October 2026Available for $134.99 (1TB), $249.99 (2TB) and $479.99 (4TB). StorageReview, TechRadar and Macworld give the same prices. Excl. sales tax10Measurementstoragereview.com/review/lacie-rugged-ssd4-review-usb4-performance-in-a-tough-travel-ready-shellRead 14 October 2026Review lists the MSRP as $134.99, $249.99 and $479.9911Reviewmacworld.com/article/2939911/lacie-rugged-ssd4-review-2.htmlRead 14 October 2026Review dated 2025-10-14 lists 1TB $135, 2TB $250 and 4TB $480, rounded from the launch prices

$279.993Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026Spec table price $279 (2TB) and $429 (4TB), which are Amazon prices at review time and not stated as MSRP6Reviewthessdreview.com/hardware/portable-ssds/sandisk-extreme-pro-usb-4-portable-ssd-reviewRead 14 October 2026Review of 3 May 2025 states MSRP $279.99 US for the 2TB and 429.99 US for the 4TB. No maker page states a price7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026Asking price $279.99 (2TB) and $429.99 (4TB) in the US at review time

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€299.995Press articlephototrend.fr/2025/09/lacie-rugged-ssd4-usb4Read 14 October 2026French launch coverage, available now: 1 To 169,99 EUR, 2 To 299,99 EUR, 4 To 529,99 EUR. France, incl. VAT. A German Seagate price was not found

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MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

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ColoursiThe maker's own colour names

Orange4Press articlestoragenewsletter.com/2025/09/17/seagate-launches-lacie-rugged-ssd4-thunderbolt-5-up-to-4tb-portable-ssdRead 14 October 2026Text names the signature orange bumper, designed by Neil Poulton

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Form factoriPhysical size of the drive. External is any drive in its own case that connects by cable. A drive sold in two M.2 lengths is two products. Xbox expansion card is a card for the storage expansion slot of an Xbox Series console.

External1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Portable drive in its own case with a USB-C port8Reviewkitguru.net/components/ssd-drives/simon-crisp/lacie-rugged-ssd4-4tb-review/all/1Read 14 October 2026Form Factor: external

External1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Form Factor row reads Portable SSD

CapacityiNominal capacity before formatting, in decimal GB. A published 1 TB is 1000 GB. A published 1024GB stays 1024. The marketed capacity is stored, not a raw or usable figure from the same table, such as OWC's 2048 GB total and 1920 GB usable for a 2.0TB drive.

1 TB, 2 TB, 4 TB1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Ordering table lists 1TB, 2TB and 4TB. The data sheet footnote says 1 TB equals one trillion bytes

2 TB, 4 TB1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Available Capacities row reads 2TB and 4TB. Footnote 2 says 1TB equals 1,000,000,000,000 bytes

Interface

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InterfaceiFastest host connection the drive is rated for. The PCIe generation of an NVMe drive is its own field. A Thunderbolt drive that also works over USB uses its Thunderbolt version.

USB41Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026System Requirements: Interface USB 40 Gbps, connector USB-C. Works with USB-C hosts at USB 40, 20, 10 and 5 Gbps and Thunderbolt 5, 4 and 3. The drive is a USB 40 Gbps drive that Thunderbolt hosts can run, so it is stored as USB48Reviewkitguru.net/components/ssd-drives/simon-crisp/lacie-rugged-ssd4-4tb-review/all/1Read 14 October 2026Interface: USB 40Gbps (USB-C). An NVMe PCIe Gen 4 SSD sits inside. The reviewer lists NAND and controller as not specified

USB41Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Interface row reads USB4 Gen 3x2 (40Gb/s). The highlights say the drive supports Thunderbolt 4 hosts and works with older USB 3.2 and USB 2.0 devices

PCIe generationiHighest PCIe generation the drive supports, e.g. 5 for PCIe 5.0. NVMe drives only. A drive rated for PCIe 4.0 x4 or 5.0 x2 is 5 with 2 lanes, and the source note names both modes.

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PCIe lanesiLanes the drive uses at its highest PCIe generation, usually 4. NVMe drives only.

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NVMe versioniVersion of the NVMe specification as published. A revision letter is left out, so 2.0d is stored as 2.0.

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Detachable cableiExternal drives. No means the cable is fixed to the drive.

Yes1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026A USB-C cable is included and the drive has a USB-C port behind a removable silicone cap

Yes3Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026The cable is a separate item in the box and the drive has a USB-C port7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026The cable is separate from the drive. No USB-A adapter is included

Hardware

None of 7 known

ControlleriController maker and model as named by the maker or a review. On an external drive, the controller of the SSD inside, not the USB or Thunderbolt bridge chip. The bridge chip goes in the source note.

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Flash typeiBits stored in each flash cell. TLC stores three and QLC stores four. A maker can use another flash type in some capacities, so it is per variant.

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Flash memoryiFlash maker and generation as named by the maker or a review.

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Flash layersiStacked layers of the 3D flash, from the maker or a review.

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DRAM cacheiDRAM is a memory chip on the drive. HMB is a drive without DRAM that borrows host memory. None has neither. HMB not stated is a drive without DRAM where no source says whether it borrows host memory. An external drive counts when a source names the cache of the drive inside.

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DRAM cache sizeiSize of the DRAM on the drive. Any DRAM type counts, such as DDR4 or LPDDR4X. Host memory buffer (HMB) is not DRAM on the drive.

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Component sidesiWhether chips sit on one or both sides of the board. Thin laptops and some handhelds need single-sided drives. M.2 drives only. The M.2 module code states it: S is single-sided and D is double-sided, e.g. 2280-S3-M or 2280-D5-M.

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Performance

2 of 4 differ

Sequential read (claimed)iMaker's up-to sequential read speed for this capacity. Test conditions are in the source note.

4,000MB/s1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Text reads read speeds up to 4,000 MB/s. The data sheet gives no write figure. The test host is not named2Maker product pageseagate.com/products/creative-pro/lacie-rugged-ssd4Read 14 October 2026Page reads speeds up to 4,000MB/s with USB 40Gbps and Thunderbolt 5 compatibility

3,800MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Data Transfer Rates row reads up to 3800MB/s read. Footnote 1: based on internal testing, performance may be lower depending on host device, interface, usage conditions and other factors. 1MB is 1,000,000 bytes. The same figure is given for 2TB and 4TB

Sequential write (claimed)iMaker's up-to sequential write speed for this capacity. Makers usually measure it inside the fast write cache.

3,800MB/s4Press articlestoragenewsletter.com/2025/09/17/seagate-launches-lacie-rugged-ssd4-thunderbolt-5-up-to-4tb-portable-ssdRead 14 October 2026Text reads up to 4,000MB/s read and 3,800MB/s write speeds, from the Seagate announcement. PCPer adds that LaCie said writes reach 3,800 MB/s for the first 4 percent of the drive and then fall to 850 to 1,750 MB/s. Seagate gives no per-capacity figures, so the base value covers all rows

3,700MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Up to 3700MB/s write, same footnote and same figure for 2TB and 4TB

Random 4K read (claimed)iMaker's up-to random read speed with 4 KB blocks. Queue depth and threads are in the source note. The maker's headline claim. Makers test at different queue depths, so compare with care. The queue depth 1 measured fields compare better.

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Random 4K write (claimed)iMaker's up-to random write speed with 4 KB blocks. Queue depth and threads are in the source note. The maker's headline claim. Makers test at different queue depths, so compare with care. The queue depth 1 measured fields compare better.

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Endurance and reliability

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Endurance (TBW)iTerabytes that can be written within the warranty, as the maker rates them.

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MTBF or MTTF (claimed)iMean time between failures, or mean time to failure when the maker publishes MTTF. The source note says which. Some makers state it per capacity, so it is per variant.

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Operating temperatureiMaker's operating range. The storage range is not stored.

Not available

Min5Max45°C1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Operating Temperature 5 C to 45 C. The storage range of -20 C to 85 C is not stored

Power

None of 6 known

Power while reading (claimed)iMaker's average power during sequential reads, including a figure given at the full read speed. A single average or active figure with no read and write split, such as Corsair's, is stored in both read and write, and the source note says so. A maximum figure, such as Kingston's (MAX) Read, is a peak and is not stored.

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Power while writing (claimed)iMaker's average power during sequential writes. A single average or active figure with no read and write split is stored in both read and write, and the source note says so. A maximum figure, such as Kingston's (MAX) Write, is a peak and is not stored.

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Max power consumption (claimed)iMaker's peak or maximum power figure. Not the average while reading or writing. Kingston publishes max read and max write power apart. Store the higher one and name both in the source note.

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Average power in light use (claimed)iMaker's average over a mixed client workload such as MobileMark. Not idle power and not read or write power.

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Idle power (claimed)iMaker's idle power in the PS3 state with APST on, or the state the maker calls low-power idle. On a SATA drive, Slumber counts as low-power idle. A plain idle figure with no low-power state, often near 1 W, is active idle and is not stored. Samsung's Idle with DIPM on is a SATA link power state, so it counts as low-power idle.

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Sleep power (claimed)iMaker's power in the deepest sleep state, PS4 or L1.2. On a SATA drive this is DevSleep.

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Measured

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Sequential read (measured)iCrystalDiskMark SEQ1M Q8T1 read result from a reviewer. Host and slot are in the source note. KitGuru's default profile counts as SEQ1M Q8T1.

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3,717MB/s4Reviewssd-tester.com/sandisk_extreme_pro_mit_usb4_2tb.htmlRead 14 October 20262TB (SDSSDE82-2T00-G25), tested on 9 February 2026. CrystalDiskMark 7.0 SEQ1M Q8T1 read 3,717.23 MB/s. KitGuru has not reviewed this drive, so another reviewer is used. The test file size and the drive fill are not stated. The site says its tests since 2023 use an AMD Ryzen 9 7900 PC that can test USB4 drives, and it does not name the port. Tom's Hardware printed 3,716.62 MB/s read and 3,710.54 MB/s write in CrystalDiskMark 8 default settings on a Ryzen 7600X system, and TechRadar printed 3,810 and 3,662 MB/s, which agree within 3 percent

Sequential write (measured)iCrystalDiskMark SEQ1M Q8T1 write result from a reviewer. Host and slot are in the source note.

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3,704MB/s4Reviewssd-tester.com/sandisk_extreme_pro_mit_usb4_2tb.htmlRead 14 October 20262TB. CrystalDiskMark SEQ1M Q8T1 write 3,703.80 MB/s, same conditions

Random 4K read at queue depth 1 (measured)iCrystalDiskMark RND4K Q1T1 read result from a reviewer. Small reads one at a time, close to everyday use. KitGuru's 4K QD1 1 Thread test counts as RND4K Q1T1. A CrystalDiskMark result printed in IOPS is stored as IOPS x 4096 / 1,000,000 MB/s, the way CrystalDiskMark converts.

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56.39MB/s4Reviewssd-tester.com/sandisk_extreme_pro_mit_usb4_2tb.htmlRead 14 October 20262TB. CrystalDiskMark RND4K Q1T1 read 56.39 MB/s, printed as 13,766.4 IOPS in the same table. 13,766.4 x 4096 / 1,000,000 gives 56.39

Random 4K write at queue depth 1 (measured)iCrystalDiskMark RND4K Q1T1 write result from a reviewer. A CrystalDiskMark result printed in IOPS is stored as IOPS x 4096 / 1,000,000 MB/s, the way CrystalDiskMark converts.

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19.4MB/s4Reviewssd-tester.com/sandisk_extreme_pro_mit_usb4_2tb.htmlRead 14 October 20262TB. CrystalDiskMark RND4K Q1T1 write 19.40 MB/s, printed as 4,736.3 IOPS. 4,736.3 x 4096 / 1,000,000 gives 19.40. ServeTheHome says the drive sustains 19 MB/second in 4K random writes

Write cache size (measured)iData written at full speed in one long sequential write on an empty drive before the speed drops.

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Write speed after the cache (measured)iWrite speed in the first state after the fast cache is full, when the drive writes straight to TLC or QLC. Tom's Hardware calls it TLC mode. The slower folding state and the lowest dip are not stored. Only from a long sequential write test.

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1,100MB/s3Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 20262TB. Iometer sequential write, 1MiB blocks, queue depth 32, 15 minutes. Text says the drive writes just below 3,500 MB/s for almost three minutes, then drops to around 1,100 MB/s for about five minutes, then to around 800 MB/s for the rest. The chart shows the plateau at about 1,150 MB/s. The first drop is stored. The 800 MB/s state is not. Cache size in GB is not printed, so it is not stored. PC Gamer saw a different pattern in its own test

3DMark Storage BenchmarkiOverall score measured by a reviewer. Host and slot are in the source note. From StorageReview only. Tom's Hardware scores the same drive about 30 percent higher, so other reviewers are not mixed in.

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1,370points5Reviewstoragereview.com/review/sandisk-extreme-pro-with-usb4-review-fast-rugged-hugeRead 14 October 20262TB (1862GB exFAT partition). 3DMark Storage Benchmark overall score 1,370, average 229.23 MB/s at 128 microseconds. Test host: AMD Ryzen 7 9800X3D, Asus ROG Crosshair X870E Hero, DDR5-6000, RTX 4090, Windows 11 Pro. The USB port used is not stated

Highest temperature under load (measured)iHighest drive sensor reading in a sustained write test of 10 minutes or more, on the bare drive unless the row is a heatsink version. Short benchmark runs do not count. Heatsink, airflow and room temperature go in the source note.

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Idle power (measured)iReviewer's idle reading. Power-saving settings such as ASPM are in the source note. A value read from a chart image counts when the source note says "read from chart".

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Cooling and build

2 of 4 differ

HeatsinkiVersions sold. The base lists every version and each variant row lists its own. A water block or a cooler with a fan counts as a heatsink. A thermal pad or label alone is bare. A heatsink in the box that the buyer fits, as on the XPG MARS 980 BLADE, counts as with heatsink.

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RGB lightingiAny version sold has lighting the user can set. A status LED alone does not count. Leave it out when no version has lighting. The Heatsink rows show which version has it.

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Dust and water ratingiPublished IP rating of an external drive.

IP541Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Footnote 2: rated IP54 when the cap is properly seated on the device2Maker product pageseagate.com/products/creative-pro/lacie-rugged-ssd4Read 14 October 2026Page reads IP54-rated, footnote: rated IP54 when the cap is properly seated on the device

IP653Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026Text says SanDisk states an IP65 rating for water resistance7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026Says SanDisk tested the drive to IEC 60529 IP65, where it withstood water flow (30 kPa) for 3 minutes

Drop test heightiMaker-published tested height. Surface and conditions are in the source note.

3m1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Footnote 3: 3m drop-proof based on internal testing, shock resistance MIL-STD-810G method 516.6, Procedure IV Transit Drop. The text also says 1 tonne pressure resistance, which is not stored2Maker product pageseagate.com/products/creative-pro/lacie-rugged-ssd4Read 14 October 2026Page reads 3m drop resistance and 1-ton pressure resistance, with the MIL-STD-810G method 516.6 Procedure IV footnote

2m3Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026Text says SanDisk says the drive should survive drops up to two meters. The surface is not stated7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026Says the drive can survive a fall of 2 meters, and the claim does not detail what it fell onto

Security and software

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SecurityiFeatures the maker names for the drive. Encryption done by host software does not count. ATA Security passthrough counts as password protection.

Not available

AES 256-bit hardware encryption, Password protection6Reviewthessdreview.com/hardware/portable-ssds/sandisk-extreme-pro-usb-4-portable-ssd-reviewRead 14 October 2026States the drive supports hardware encryption. The review gives no key length7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026Spec table Encryption row reads Hardware. Text says the drive supports hardware encryption8Press articlechargerlab.com/sandisk-unveils-extreme-pro-usb4-portable-ssd-high-speed-durable-storage-up-to-4tbRead 14 October 2026Reads 256-bit AES hardware encryption with password protection. No maker document for this model confirms it, and TechRadar and TheSSDReview confirm hardware encryption

Software

LaCie Toolkit1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026What's Included: LaCie Toolkit Backup and Sync Software2Maker product pageseagate.com/products/creative-pro/lacie-rugged-ssd4Read 14 October 2026Page reads LaCie Toolkit software for on-demand backups3Owner's manualseagate.com/manuals/lacie/rugged-ssd4/welcomeRead 14 October 2026Getting Started page: Toolkit manages mirror folders and backup plans (Windows only)

SanDisk Memory Zone8Press articlechargerlab.com/sandisk-unveils-extreme-pro-usb4-portable-ssd-high-speed-durable-storage-up-to-4tbRead 14 October 2026Reads the drive works with the SanDisk Memory Zone app on Android. The page also says drop protection up to 3 meters, which conflicts with the 2 m in SanDisk's product title and is not used

Compatibility

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PlatformsiPlatforms the maker names for this drive. A PS5 needs a heatsink on an internal drive. PC is for a maker that writes Client PCs or PC without naming an operating system. Handheld PCs go in Other with a source note.

macOS, iPadOS, iOS, Windows, ChromeOS, Android, Other1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Text and System Requirements: macOS, iPadOS, iOS, Windows, ChromeOS, Android and gaming console systems. Consoles are not named, so they are stored as other2Maker product pageseagate.com/products/creative-pro/lacie-rugged-ssd4Read 14 October 2026Page reads USB-C connectivity with macOS, iPadOS, iOS, Windows, ChromeOS, Android and gaming console systems

Windows, macOS, PS5, Xbox Series X|S1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026System Requirements row reads Windows 10+ | macOS 14+ | Xbox Series X|S | PS5. The Compatibility row names USB Type-C devices such as laptops and tablets without naming an operating system

Dimensions and weight

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DimensionsiLength is the long side. Height is the thickness, including a fitted heatsink. As the maker publishes it. A maximum counts. Length is the long side even when the maker lists the width first.

Length105.34Width66.87Height17.33mm(4.1 × 2.6 × 0.7 in)1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Product Dimensions column: length 17.33 mm, width 66.87 mm, depth 105.34 mm. The long side 105.34 is stored as length and 17.33 as height8Reviewkitguru.net/components/ssd-drives/simon-crisp/lacie-rugged-ssd4-4tb-review/all/1Read 14 October 2026Physical Specifications: 17.33 x 66.87 x 105.34mm, same as the data sheet

Length140Width68.7Height11.9mm(5.5 × 2.7 × 0.5 in)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Product Dimensions row reads 5.51 x 2.70 x 0.47 in | 140.00 x 68.70 x 11.90 mm. Tom's Hardware prints 140 x 68.58 x 11.94 mm, which is the same size in inches

WeightiDrive alone, with a heatsink when it is sold fitted. No cable and no packaging. As the maker publishes it. A maximum counts. Not a measured weight.

108g(3.8 oz)1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Product Dimensions column: 0.108 kg, 0.238 lb8Reviewkitguru.net/components/ssd-drives/simon-crisp/lacie-rugged-ssd4-4tb-review/all/1Read 14 October 2026Drive Weight: 108g

172g(6.1 oz)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Product Weight row reads 0.38 lb | 172 g

In the box

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In the box

LaCie Rugged SSD4, Silicone cap, USB-C cable (40 Gbps), Quick Install Guide, LaCie Toolkit Backup and Sync Software, Includes two-month trial to Adobe Creative Cloud Pro, Three-year Rescue Data Recovery Services1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026What's Included list, verbatim3Owner's manualseagate.com/manuals/lacie/rugged-ssd4/welcomeRead 14 October 2026The manual's box content is shorter than the data sheet list. The data sheet list is stored

USB Type-C cable3Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026Spec table row Included: USB Type-C cable. Text says the box holds the drive, a roughly 11-inch USB-C-to-USB-C cable and paperwork

Cables includediCables supplied with an external drive.

ALaCie Rugged SSD4

Type	Length (m)	Count
USB-C to USB-C	0.3	1

Source1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026What's Included reads USB-C cable (40 Gbps). The cable length is from PCPer. Footnote 1 mentions a C to A cable adapter, sold separately3Owner's manualseagate.com/manuals/lacie/rugged-ssd4/welcomeRead 14 October 2026Welcome page, Box content: LaCie Rugged SSD4, USB-C to USB-C cable, Quick install guide. The cable length is not in the manual6Reviewpcper.com/2025/09/lacie-rugged-ssd4-portable-ssd-review-a-sensible-usb4-optionRead 14 October 2026Review text: a matching orange USB4 cable, 0.3 meters in length. The SSD Review calls it a 12 inch orange 40Gbps cable7Reviewthessdreview.com/hardware/portable-ssds/lacie-rugged-ssd4-2tb-usb4-portable-ssd-review-high-speed-data-transfer-in-any-terrainRead 14 October 2026Review text: comes with a 12 inch orange 40Gbps cable, which is 0.3048 m

BSandisk Extreme PRO Portable SSD with USB4

Type	Length (m)	Count
USB-C to USB-C	0.28	1

Source3Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026Roughly 11-inch USB-C-to-USB-C cable, which is about 28 cm. TechRadar says the cable is 28cm long and TheSSDReview says 12 inches6Reviewthessdreview.com/hardware/portable-ssds/sandisk-extreme-pro-usb-4-portable-ssd-reviewRead 14 October 202612-inch USB4 Type-C to Type-C cable that also powers the drive7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026The 28cm long USB-C cable is the only accessory

Links

Not compared

Product page

www.seagate.com/products/creative-pro/lacie-rugged-ssd42Maker product pageseagate.com/products/creative-pro/lacie-rugged-ssd4Read 14 October 2026The live page returned a Cloudflare rate-limit error (1015) on 2026-10-14. It was read through the Wayback Machine capture of 2026-03-25

www.sandisk.com/products/ssd/external-ssd/sandisk-extreme-pro-usb-4-portable-ssd2Maker product pagesandisk.com/products/ssd/external-ssd/sandisk-extreme-pro-usb-4-portable-ssdRead 14 October 2026The SanDisk product page loads its content with scripts, so only its title (2TB SanDisk Extreme PRO with USB4) could be read. The data sheet and reviews carry the specs

Spec sheet

www.seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdf1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Seagate data sheet DS25.3-2510US, English (UK) file. The en_US file name returned 404

documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdf1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Two-page SanDisk data sheet for the Extreme PRO with USB4, copyright 2024, hosted on documents.sandisk.com

Manual

www.seagate.com/manuals/lacie/rugged-ssd43Owner's manualseagate.com/manuals/lacie/rugged-ssd4/welcomeRead 14 October 2026LaCie Rugged SSD4 User Manual on the Seagate site. The live site returned a rate-limit error on 2026-10-14, so the pages were read through the Wayback Machine copies of October 2025

Not available

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

3years1Maker spec sheet (PDF)seagate.com/content/dam/seagate/en_gb/content-fragments/products/datasheets/lacie-rugged-ssd4/lacie-rugged-ssd4-DS25-3-2510US-en_GB.pdfRead 14 October 2026Ordering table: limited warranty 3 years, with Rescue Data Recovery Services (not available in all countries)

5years1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 20265 year limited warranty. The data sheet names no market and points to sandisk.com/wug for terms

Both are also in the API. Back to all SSDs.