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Lexar ES5 Magnetic Portable SSD vs Sandisk Professional PRO-G40 SSD

A

Product A: Lexar

ES5 Magnetic Portable SSD

29 of 63 known

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B

Product B: Sandisk

Professional PRO-G40 SSD

30 of 63 known

Change Sandisk Professional PRO-G40 SSD

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Every value links to where we found it.

Only differences

ALexar ES5 Magnetic Portable SSD

BSandisk Professional PRO-G40 SSD

General

5 of 9 differ

Series

Not available

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

LES5XXX001T-RNWNU, LES5XXX002T-RNWNU, LES5XXX002T-RNWNG1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026Product table: LES5XXX001T-RNWNU (1TB), LES5XXX002T-RNWNU (2TB) and LES5XXX004T-RNWNU (4TB, Coming Soon). The 4TB code is not stored because the drive is not sold. The -NU suffix is the North America code. No EU or UK codes found6Reviewssd-tester.com/lexar_es5_2tb.htmlRead 14 October 2026The tested unit is listed as LES5XXX002T-RNWNG, the global code of the 2TB. The same page lists 84 x 53 x 10 mm and 51 g as manufacturer information for it

SDPS31H-001T-GBC1D, SDPS31H-002T-GBC1D, SDPS31H-004T-GBC1D, SDPS31H-001T-GBCND, SDPS31H-002T-GBCND1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Worldwide SKU table: SDPS31H-001T-GBC1D, SDPS31H-002T-GBC1D and SDPS31H-004T-GBC1D. The 2022 launch part numbers SDPS31H-001T-GBCND and SDPS31H-002T-GBCND come from Tom's Hardware's spec table. The sheet also lists China SKUs ending ZBC1D, which are not stored

GTIN / EAN

8433671404428Spec databaseshopsavvy.com/products/lexar-1tb-external-ssdRead 14 October 2026Lists UPC 843367140442 for model LES5XXX001T-RNWNU (1TB). A camelcamelcamel listing for the same Amazon product gives the same UPC. No UPC found for the 2TB

619659209599, 619659209568, 6196592096121Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026UPC column for the worldwide SKUs: 6 19659 20959 9 (1TB), 6 19659 20956 8 (2TB) and 6 19659 20961 2 (4TB). Stored as 12-digit UPC. The sheet gives no GTINs for the GBCND launch parts

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

July 20253Press articlestoragenewsletter.com/2025/07/04/lexar-unveils-es5-magnetic-portable-usb-3-2-gen-2x2-up-to-2tb-ssdRead 14 October 2026StorageNewsletter posted Lexar's press release unveiling the ES5 on 4 July 2025. It names the 1TB and 2TB and gives no release date or price

5 October 20223Press releasewesterndigital.com/de-at/company/newsroom/press-releases/2022/2022-10-05-western-digital-turbocharges-versatility-with-new-sandisk-professional-pro-g40-ssdRead 15 October 2026Western Digital press release dated 2022-10-05, San Jose, California

Status

Available1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026The North America page lists the 1TB and 2TB for sale. The 4TB shows Coming Soon2Press releaseamericas.lexar.com/news/lexar-launches-powerful-magsafe-compatible-storage-es5-magnetic-portable-ssdRead 14 October 2026Release says the 1TB and 2TB are available now on Amazon

Available2Maker product pagesandisk.com/products/ssd/external-ssd/sandisk-professional-pro-g40-ssdRead 15 October 2026The page is live in October 2026 with the three GBC1D SKUs. Amazon US showed the 4TB at rank 51 in External Solid State Drives with 1,098 reviews

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

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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.

$199.992Press releaseamericas.lexar.com/news/lexar-launches-powerful-magsafe-compatible-storage-es5-magnetic-portable-ssdRead 14 October 2026MSRP $119.99 (1TB) and $199.99 (2TB), US. The Lexar page now shows higher MSRPs of $199.99 and $399.99 for 1TB and 2TB, which are not launch prices and are not used4Reviewstoragereview.com/review/lexar-es5-magnetic-portable-ssd-review-fast-durable-storage-for-mobile-creatorsRead 14 October 2026Spec table MSRP $119.99 (1TB) and $199.99 (2TB)

From $299.991Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 20263Press releasewesterndigital.com/de-at/company/newsroom/press-releases/2022/2022-10-05-western-digital-turbocharges-versatility-with-new-sandisk-professional-pro-g40-ssdRead 15 October 20264Press articlestoragereview.com/review/sandisk-professional-pro-g40-reviewRead 15 October 20265Press articlecomputerbase.de/2022-10/sandisk-professional-externe-pro-g40-ssd-ist-schnell-und-teuerRead 15 October 20266Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 20267Measurementtomshardware.com/reviews/sandisk-pro-g40-ssd-review/3Read 15 October 20268Measurementtomshardware.com/reviews/sandisk-pro-g40-ssd-review/2Read 15 October 2026

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.

Not available

From €4711Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 20263Press releasewesterndigital.com/de-at/company/newsroom/press-releases/2022/2022-10-05-western-digital-turbocharges-versatility-with-new-sandisk-professional-pro-g40-ssdRead 15 October 20264Press articlestoragereview.com/review/sandisk-professional-pro-g40-reviewRead 15 October 20265Press articlecomputerbase.de/2022-10/sandisk-professional-externe-pro-g40-ssd-ist-schnell-und-teuerRead 15 October 20266Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 20267Measurementtomshardware.com/reviews/sandisk-pro-g40-ssd-review/3Read 15 October 20268Measurementtomshardware.com/reviews/sandisk-pro-g40-ssd-review/2Read 15 October 2026

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

Silver1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026Color row reads Silver. TechRadar calls the finish sand-coloured and StorageReview calls the shell white

Black1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Color column reads Black for every SKU

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 product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026Portable SSD in its own case, connected by cable

External1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Portable SSD in a rugged case that connects by a USB-C port, so stored as external

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 TB1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 20261TB and 2TB are sold. 4TB is Coming Soon. The page says the 4TB ships as two 2TB partitions2Press releaseamericas.lexar.com/news/lexar-launches-powerful-magsafe-compatible-storage-es5-magnetic-portable-ssdRead 14 October 20261TB and 2TB available now. 4TB slated for Q1 2026 in North America

1 TB, 2 TB, 4 TB1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Capacity column: 1TB, 2TB and 4TB. Footnote: 1 TB = 1 trillion 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.

USB 3.2 Gen 2x2 (20 Gbps)1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026The speed footnote names USB 3.2 Gen 2x2 as the host interface. The spec table lists USB 3.2 Gen 2x2

Thunderbolt 31Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Interface row reads Thunderbolt 3 (40Gbps) and SuperSpeed USB 10Gbps (USB 3.2 Gen 2). Stored as the highest mode, Thunderbolt 3

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.

Yes5Reviewtechradar.com/computing/lexar-es5-magnetic-portable-ssd-reviewRead 14 October 2026Review says the USB-C ribbon cable is a completely separate entity from the drive, and the drive has a USB-C port on its base

Yes6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026The drive has a reinforced USB-C port and a Type-C to Type-C cable is in the box

Hardware

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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

Sandisk in-house6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Spec table row Controller reads SanDisk Proprietary, written as Sandisk in-house like the Optimus GX PRO 850X. Text: the SSD inside is the SN750E, with the same controller as the WD Red SN700. The review tested the 2022 launch drive. No teardown of a GBC1D drive was found. Bridge chips: Intel Titan Ridge JHL7440 for Thunderbolt 3 and the ASMedia ASM2362 for USB 3.2 Gen 2. TheSSDReview names the same chips9Reviewthessdreview.com/hardware/portable-ssds/sandisk-professional-pro-g40-thunderbolt-3-dual-mode-portable-ssd-review-unbelievable-3-1gb-s-data-transfer-speedsRead 15 October 2026The review could not open the case. It says the drive uses a SanDisk SN750e M.2 SSD with an Intel JHL7440 Thunderbolt 3 controller and an ASMedia ASM2362 USB 3.2 controller

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

TLC6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Text: 1TB of 96-layer BiCS4 TLC in two 512GB packages

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

Not available

Sandisk BiCS4 TLC6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Spec table row Memory reads SanDisk 96-Layer BiCS4, the same for 1TB and 2TB. Stored for the base 2TB as the maker for all capacities. Not checked on a GBC1D drive

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

Not available

966Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 202696 layers from the Memory row

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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DRAM6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Spec table row DRAM reads DDR4 for both capacities. Text: the drive has DRAM, so no Host Memory Buffer

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

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

2,000MB/s1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026Up to 2000MB/s read, based on internal testing on a host that supports USB 3.2 Gen 2x2. Performance may be lower on other hosts. 1MB is 1,000,000 bytes. The same figure is given for 1TB and 2TB2Press releaseamericas.lexar.com/news/lexar-launches-powerful-magsafe-compatible-storage-es5-magnetic-portable-ssdRead 14 October 2026Up to 2000MB/s read, internal testing on a USB 3.2 Gen 2x2 host

3,000MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Data Transfer Rate row, Thunderbolt 3: up to 3000MB/s read. USB-C: up to 1050MB/s read, not stored. Footnote: internal testing, 1 MB/s = 1 million bytes per second, performance may vary by host device, usage conditions and drive capacity. The same figure is given for all three capacities

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

2,000MB/s1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026Up to 2000MB/s write, same footnote and same figure for 1TB and 2TB2Press releaseamericas.lexar.com/news/lexar-launches-powerful-magsafe-compatible-storage-es5-magnetic-portable-ssdRead 14 October 2026Up to 2000MB/s write, same footnote

2,500MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Thunderbolt 3: up to 2500MB/s write. USB-C: up to 1000MB/s write, not stored. Same figure for all three capacities

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.

Min0Max50°C1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 20260 to 50 C. The storage range of -40 to 85 C is not stored

Min5Max35°C1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Operating Temperature row: 41 to 95 F | 5 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.

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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.

2,135MB/s6Reviewssd-tester.com/lexar_es5_2tb.htmlRead 14 October 20262TB, tested on 1 September 2025. CrystalDiskMark 7.0 SEQ1M Q8T1 read 2,134.89 MB/s (2,036 MiB/s in the IOPS table). No preferred reviewer covers CrystalDiskMark for this drive. TechRadar printed 2,045.36 MB/s with no mode named and is not used. The test file size and the drive fill are not stated on the page. Host: the site says tests since 2023 use an AMD Ryzen 9 7900 with a GIGABYTE X870 AORUS Elite WIFI7 and Windows 11 Pro, and does not name the USB port

Not available

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

1,911MB/s6Reviewssd-tester.com/lexar_es5_2tb.htmlRead 14 October 20262TB. CrystalDiskMark SEQ1M Q8T1 write 1,910.84 MB/s. Same conditions. TechRadar printed 1,996.87 MB/s with no mode named and is not used

Not available

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.

40.85MB/s6Reviewssd-tester.com/lexar_es5_2tb.htmlRead 14 October 20262TB. CrystalDiskMark RND4K Q1T1 read 40.85 MB/s, printed as 9,973.9 IOPS in the same table. 9,973.9 x 4096 / 1,000,000 gives 40.85

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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.

72.86MB/s6Reviewssd-tester.com/lexar_es5_2tb.htmlRead 14 October 20262TB. CrystalDiskMark RND4K Q1T1 write 72.86 MB/s, printed as 17,787.1 IOPS. 17,787.1 x 4096 / 1,000,000 gives 72.86

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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.

102GB6Reviewssd-tester.com/lexar_es5_2tb.htmlRead 14 October 20262TB. HD Tune Pro long-term test wrote a 200 GB file and the page says the cache was full and performance throttled after approx. 102 GB. The same page lists a pSLC cache of 102 GB approx. in its table. The write averaged 830 MB/s over the 200 GB, which is not a post-cache speed and is not stored

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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.

1,177points4Reviewstoragereview.com/review/lexar-es5-magnetic-portable-ssd-review-fast-durable-storage-for-mobile-creatorsRead 14 October 20262TB model. 3DMark Storage Benchmark score 1,177 (average 190.43 MB/s at 144 microseconds). Test host: AMD Ryzen 7 9800X3D, Asus ROG Crosshair X870E Hero, 2x16GB G.SKILL Trident Z5 Royal DDR5-6000, RTX 4090, Windows 11 Pro. The USB port used is not stated

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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

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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.

IP651Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026Rated IP65 for dust and water resistance, based on internal testing under controlled conditions2Press releaseamericas.lexar.com/news/lexar-launches-powerful-magsafe-compatible-storage-es5-magnetic-portable-ssdRead 14 October 2026IP65 dust and water resistance

IP681Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Key features: high-level IP68 dust/water resistance

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

3m1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 20263-meter anti-drop, based on internal testing under controlled conditions. Damage from drops is not covered under warranty2Press releaseamericas.lexar.com/news/lexar-launches-powerful-magsafe-compatible-storage-es5-magnetic-portable-ssdRead 14 October 20263-meter drop resistance, internal testing

3m1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Key features: up to 3m drop protection, footnote 3 based on internal testing. The surface is not stated in the sheet. The 2022 press release says the drop was onto a carpeted concrete floor3Press releasewesterndigital.com/de-at/company/newsroom/press-releases/2022/2022-10-05-western-digital-turbocharges-versatility-with-new-sandisk-professional-pro-g40-ssdRead 15 October 2026Footnote says the 3m drop was tested on a carpeted concrete floor. Launch speeds in the release were up to 2700MB/s read and 1900MB/s write over Thunderbolt 3

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.

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Software

Lexar App1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026The page names the free Lexar App for backups with a Photo Backup function. Lexar DataShield is also named. TechRadar says it is bundled host software and the drive has no hardware encryption, so security_features is left empty

SanDisk SSD Dashboard6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Text: SanDisk also provides its own SSD Dashboard software

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.

Windows, macOS, iOS, Android1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026Systems row: Mac OS X 10.6+, Windows 11/10/7/8, iOS, Android 4.4+. The devices row also names tablets, iPad, cameras and gaming consoles without naming a console, so only the four systems are stored

Windows, macOS1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Operating Systems row: macOS 10.13+ (Time Machine compatible), Windows 10+. The drive ships formatted exFAT, APFS via reformat

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.

Length85Width54Height11mm(3.3 × 2.1 × 0.4 in)1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 20263.34 x 2.12 x 0.43 in, listed as 85mm x 54mm x 11mm. TechRadar measured 84 x 53 x 10 mm on its unit

Length111Width58Height12mm(4.4 × 2.3 × 0.5 in)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Size (LxWxH) row: 4.36 x 2.28 x 0.47 in | 111 x 58 x 12 mm. The store page prints 4.37 x 2.28 x 0.47 in

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.

80g(2.8 oz)1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026Page lists 0.176 lbs (80g). StorageReview prints 49 g, ssd-tester lists 51 g and 84 x 53 x 10 mm for the global code LES5XXX002T-RNWNG, and TechRadar weighed the drive with its rubber fob at 57 g. The maker's North America figure is stored. It may include the ring or the organizer7Press articleexibartstreet.comRead 14 October 2026Launch coverage prints about 80 grams and 85 x 54 x 11 mm, which matches the maker page

122.3g(4.3 oz)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Weight row: 1TB 121.2 g, 2TB 122.3 g and 4TB 123.1 g. Base value is the 2TB model

In the box

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In the box

Magnetic metal ring accessory, Cable organizer that doubles as a lanyard, USB-C cable1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026The page names the magnetic metal ring accessory and the cable organizer that doubles as a lanyard. The page has no formal contents list5Reviewtechradar.com/computing/lexar-es5-magnetic-portable-ssd-reviewRead 14 October 2026Review names a metal ring in the box, the rubber fob that holds the cable and the USB-C ribbon cable

PRO-G40 SSD, Thunderbolt 3 (40Gbps) Cable, Quick Start Guide1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Box contents row: PRO-G40 SSD, Thunderbolt 3 (40Gbps) Cable and Quick Start Guide

Cables includediCables supplied with an external drive.

ALexar ES5 Magnetic Portable SSD

Type	Count
USB-C cable	1

Source5Reviewtechradar.com/computing/lexar-es5-magnetic-portable-ssd-reviewRead 14 October 2026One USB-C ribbon cable. No length given. The other end is not stated, so the type is USB-C cable

BSandisk Professional PRO-G40 SSD

Type	Length (m)	Count
USB-C to USB-C	0.2	1

Source6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Text: a relatively short 20cm (about 8 inch) USB Type-C to Type-C cable. TheSSDReview also says 20cm / 8 inch9Reviewthessdreview.com/hardware/portable-ssds/sandisk-professional-pro-g40-thunderbolt-3-dual-mode-portable-ssd-review-unbelievable-3-1gb-s-data-transfer-speedsRead 15 October 2026Comes with a 20cm / 8 inch Thunderbolt 3 cable

Links

Not compared

Product page

americas.lexar.com/product/lexar-es5-magnetic-portable-ssd1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 2026

www.sandisk.com/products/ssd/external-ssd/sandisk-professional-pro-g40-ssd2Maker product pagesandisk.com/products/ssd/external-ssd/sandisk-professional-pro-g40-ssdRead 15 October 2026SanDisk US product page for the PRO-G40 SSD with a capacity picker for 1TB, 2TB and 4TB. Its spec table repeats the data sheet: up to 3000MB/s read and 2500MB/s write, Thunderbolt 3 and USB 3.2 Gen 2, 5-year limited warranty and the GBC1D part numbers

Spec sheet

Not available

documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdf1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Two-page SanDisk data sheet for the PRO-G40 SSD, PDF created 2023-12-01, on documents.sandisk.com. It lists 1TB, 2TB and 4TB with the GBC1D part numbers

Manual

Not available

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.

5years1Maker product pageamericas.lexar.com/product/lexar-es5-magnetic-portable-ssdRead 14 October 20265-year limited. Stated on the North America page and in the maker's launch material. Damage from liquid, dust or drops is excluded

5years1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 20265 YR limited warranty. The sheet points to sandisk.com/wug for terms and names no market

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