SSDs / Compare

LaCie Rugged SSD4 vs OWC Envoy Ultra

A

Product A: LaCie

Rugged SSD4

26 of 63 known

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B

Product B: OWC

Envoy Ultra

25 of 63 known

Change OWC Envoy Ultra

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All 63 fields

Every value links to where we found it.

Only differences

ALaCie Rugged SSD4

BOWC Envoy Ultra

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

Not available

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

TB5ENVU02, TB5ENVU04, TB5ENVU082Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026OWC's own MacSales store. SKU TB5ENVU02 for the 2TB model, TB5ENVU04 for 4TB and TB5ENVU08 for 8TB. The U suffix sku TB5ENVU02U is a used or open-box listing with the same UPC and a 2 year warranty, so it is not stored

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

810159621793, 810159621809, 8101596218162Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026UPC 810159621793 for the 2TB (JSON-LD of the product page). 810159621809 is the 4TB and 810159621816 the 8TB3Maker product pageeshop.macsales.com/item/OWC/TB5ENVU04Read 15 October 20264Maker product pageeshop.macsales.com/item/OWC/TB5ENVU08Read 15 October 2026

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

12 September 20246Press releaseowc.com/news/owc-launches-envoy-ultra-thunderbolt-5-ssdRead 15 October 2026OWC press release dated 12 September 2024, Woodstock, IL

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 pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Structured data on the 2TB page shows InStock on 2026-10-15. The 2TB, 4TB and 8TB pages are all live

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.

Not available

Not available

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

$399.996Press releaseowc.com/news/owc-launches-envoy-ultra-thunderbolt-5-ssdRead 15 October 20262.0TB at $399.99 and 4.0TB at $599.99 US dollars at launch, no tax stated

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

Not available

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

Not available

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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

Black2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Housing Color: Black. Housing Material: Aluminum

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

External2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Portable drive in its own aluminum case with a captive cable, so external. The drive mechanism is a 2.0TB OWC Aura Pro IV PCIe 4.0 NVMe M.2 2280 SSD, and OWC reserves the right to replace it with equivalent or better components

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 TB, 8 TB2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Spec table: Total Capacity 2048GB, with 1920GB usable and 128GB allocated to real-time data redundancy and error correction. The 4TB lists 4096GB total and 3840GB usable, the 8TB 8192GB total and 7680GB usable. The product is sold as 2.0TB, 4.0TB and 8.0TB, so the marketed 2000, 4000 and 8000 GB are stored3Maker product pageeshop.macsales.com/item/OWC/TB5ENVU04Read 15 October 20264096GB total, 3840GB usable, 256GB allocated to redundancy and error correction4Maker product pageeshop.macsales.com/item/OWC/TB5ENVU08Read 15 October 20268192GB total, 7680GB usable, 512GB allocated to redundancy and error correction6Press releaseowc.com/news/owc-launches-envoy-ultra-thunderbolt-5-ssdRead 15 October 2026Launch capacities 2.0TB and 4.0TB7Press releaseowc.com/ca/news/other-world-computing-introduces-8tb-envoy-ultra-thunderbolt-5-ssdRead 15 October 2026OWC press release dated 5 January 2026 announces the 8TB model, available that day through OWC.com, Amazon and MacSales.com

Interface

2 of 5 differ

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

Thunderbolt 51Maker product pageowc.com/solutions/envoy-ultraRead 15 October 2026Page headline: The First and Fastest Thunderbolt 5 Portable SSD. Real-world speeds are given for Thunderbolt 5, Thunderbolt 4, Thunderbolt 3 (Mac only) and USB4, so the drive is rated for Thunderbolt 5 at the top2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Host Port Thunderbolt 5 (USB-C) up to 80Gb/s. Maximum data rate is up to 40Gb/s on USB4. Chipset: Thunderbolt JHL9480. Host interface requirements are Thunderbolt 5, Thunderbolt 4, Thunderbolt 3 (Mac only) or USB4

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

No1Maker product pageowc.com/solutions/envoy-ultraRead 15 October 2026Built-in Thunderbolt cable. The footnote says a damaged cable is a user serviceable item, available from 20252Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Captive Cable: (1) Thunderbolt 5 (USB-C), 23.3 cm long

Hardware

4 of 7 differ

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.

Not available

Phison E27T9Reviewmigovi.com/en/owc-envoy-ultra-portable-ssd-performance-reviewRead 15 October 2026Migovi opened a 2TB Envoy Ultra and names the OWC Aura Pro IV inside, with a Phison PS5027-E27T controller, written Phison E27T like the other catalog drives. OWC reserves the right to change the internal components and the 4TB MacSales Aura Pro IV listing agrees. An older 2TB Aura Pro IV used another controller in a 2022 PCWorld review

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.

Not available

TLC9Reviewmigovi.com/en/owc-envoy-ultra-portable-ssd-performance-reviewRead 15 October 2026Kioxia BiCS6 162-layer 3D TLC

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

Not available

Kioxia BiCS6 TLC9Reviewmigovi.com/en/owc-envoy-ultra-portable-ssd-performance-reviewRead 15 October 2026Kioxia BiCS6 162-layer 3D TLC

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

Not available

1629Reviewmigovi.com/en/owc-envoy-ultra-portable-ssd-performance-reviewRead 15 October 2026162-layer

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

6,000MB/s1Maker product pageowc.com/solutions/envoy-ultraRead 15 October 2026Footnote: up to 6000MB/s sequential read/write (max), tested with a 2.0TB OWC Aura Pro IV equipped Envoy Ultra on a Windows 11 PC with an Intel Core i9-14900HX and 32GB 5600MHz RAM, AJA System Test, 4K-Full resolution, 64GB file size, 16bit RGB codec, single file test. The headline says over 6000MB/s. OWC's footnote says longer write sessions sustain 1350MB/s (2TB) and 1700MB/s (4TB), which has no field

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

6,000MB/s1Maker product pageowc.com/solutions/envoy-ultraRead 15 October 2026Same AJA System Test footnote as read: up to 6000MB/s for the 2TB drive. The page does not state a different figure for the 4TB or 8TB

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

1 of 3 differ

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

Min5Max35°C2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Ambient temperature operating 5 C to 35 C (41 F to 95 F). Non-operating range of -20 C to 60 C is not stored5Owner's manualeshop.macsales.com/manuals/owc-envoy-ultra-support-manualRead 15 October 2026Operating temperature 5 C to 35 C

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.

Not available

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Measured

None of 9 known

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.

Not available

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

Not available

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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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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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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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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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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

IP671Maker product pageowc.com/solutions/envoy-ultraRead 15 October 2026Crushproof, dustproof and waterproof IP67 rated. Footnote: waterproof for up to 30 minutes at under 1 meter, and the plug end of the built-in cable is not waterproof2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026IP Rating row: IP67 (dust-tight, protected against the effects of temporary immersion in water)

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

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Security and software

1 of 2 differ

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

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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)

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Compatibility

1 of 1 differ

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

macOS, Windows, Linux, ChromeOS, iPadOS1Maker product pageowc.com/solutions/envoy-ultraRead 15 October 2026Page says Macs, PCs, iPad Pros, Chromebooks and Surface devices. The MacSales spec table names macOS, Windows 11, Ubuntu Linux, iPadOS and Chrome OS2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Mac OS: macOS 14, 15 and 26. PC: Windows 11. Linux: Yes, latest Ubuntu. Mobile: iPadOS 17, 18 and 26. Other: Chrome OS. The drive ships APFS formatted and other platforms must reformat it. Android is not stored, since the table lists no Android version5Owner's manualeshop.macsales.com/manuals/owc-envoy-ultra-support-manualRead 15 October 2026macOS 14.x or later (Thunderbolt 5 needs 15.3.x), Windows 11, Chrome OS, iPadOS and Ubuntu

Dimensions and weight

2 of 2 differ

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

Length130Width75Height20mm(5.1 × 3 × 0.8 in)2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Height 2.0 cm, Length 13.0 cm, Width 7.5 cm. The captive cable is not included in the length. Stored as 130 x 75 x 20 mm

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

341g(12 oz)2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026341.0 g (0.75 lbs). The same on the 4TB and 8TB pages. Thunderbolt Laptop lists about 327 g (10.5 oz), so the OWC figure is used

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

OWC Envoy Ultra External Storage Solution, OWC Envoy Ultra Getting Started QR Insert Card, Support Manual for OWC Envoy Ultra (digital), 5 Year OWC Limited Warranty2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Includes row: OWC Envoy Ultra External Storage Solution, Getting Started QR Insert Card, digital Support Manual and a 5 Year OWC Limited Warranty. The text is the same on the 2TB, 4TB and 8TB pages

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

BOWC Envoy Ultra

Not available

Links

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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.owc.com/solutions/envoy-ultra1Maker product pageowc.com/solutions/envoy-ultraRead 15 October 2026

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

Not available

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

eshop.macsales.com/manuals/owc-envoy-ultra-support-manual5Owner's manualeshop.macsales.com/manuals/owc-envoy-ultra-support-manualRead 15 October 2026Support Manual for OWC Envoy Ultra

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)

5years2Maker product pageeshop.macsales.com/item/OWC/TB5ENVU02Read 15 October 2026Includes list says 5 Year OWC Limited Warranty. The US store page names no other warranty for the new product. SHI and Thunderbolt Laptop say 3 years, which OWC's page and support manual do not5Owner's manualeshop.macsales.com/manuals/owc-envoy-ultra-support-manualRead 15 October 20265-Year Limited Warranty, not transferable

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