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PNY XLR8 CS3140 vs Sandisk Optimus GX 7100

A

Product A: PNY

XLR8 CS3140

32 of 63 known

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B

Product B: Sandisk

Optimus GX 7100

43 of 63 known

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Only differences

APNY XLR8 CS3140

BSandisk Optimus GX 7100

General

5 of 9 differ

Series

XLR8 Gaming1Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026Sell sheet title reads PNY XLR8 Gaming CS3140

Optimus GX2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026Maker line name is SANDISK Optimus GX, model 7100

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

M280CS3140-1TB-RB, M280CS3140-2TB-RB, M280CS3140-4TB-RB, M280CS3140-8TB-RB, M280CS3140HS-1TB-RB, M280CS3140HS-2TB-RB, M280CS3140HS-4TB-RB2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026PNY Part Number rows M280CS3140-1TB-RB, M280CS3140-2TB-RB and M280CS3140-4TB-RB3Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 2026PNY CS3140 sell sheet, ver. 20-09-22, EU edition mirrored by a French reseller. Part numbers: no heatsink 1TB, 2TB, 4TB and 8TB (M280CS3140-8TB-RB). With heatsink M280CS3140HS-1TB-RB, M280CS3140HS-2TB-RB and M280CS3140HS-4TB-RB

SDSP71500GAN, SDSP71500GAN-000E0, WDS500G4X0E-00CJA0, SDSP71100TAN, SDSP71100TAN-000E0, WDS100T4X0E-00CJA0, SDSP71200TAN, SDSP71200TAN-000E0, WDS200T4X0E-00CJA0, SDSP71400TAN, SDSP71400TAN-000E0, WDS400T4X0E-00CJA01Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 20262Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026SKU codes carry a -000E0 suffix3Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-black-ssd/data-sheet-wd-black-sn7100-nvme-ssd.pdfRead 14 October 2026WD_BLACK SN7100 datasheet, July 2025. Model numbers WDS500G4X0E-00CJA0, WDS100T4X0E-00CJA0, WDS200T4X0E-00CJA0 and WDS400T4X0E-00CJA0. Same speeds, IOPS, TBW, size, weight and 0 to 85 C range as the Optimus datasheet, which is why the legacy codes are listed on the same rows5Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Legacy WD_BLACK part numbers WDS500G4X0E, WDS100T4X0E and WDS200T4X0E, listed without the maker suffix

GTIN / EAN

751492642383, 4718006452506, 751492642390, 4718006452513, 751492648521, 4718006452520, 751492761275, 751492642406, 751492642413, 7514926485382Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026UPC 751492642383 (1TB), 751492642390 (2TB), 751492648521 (4TB). EAN 4718006452506, 4718006452513 and 47180064525203Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 2026UPC no heatsink: 751492642383, 751492642390, 751492648521 and 751492761275 (8TB). With heatsink: 751492642406 (1TB), 751492642413 (2TB) and 751492648538 (4TB). The sheet gives no EAN

Not available

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

11 January 20217Press releasepny.com/file%20library/company/press%20center/press%20releases/pny_press_release_cs3140_m.2_nvme_gen_4_x_4_ssd_-_01.11.2021.pdfRead 15 October 2026Press release dated January 11th, 2021

Not available

Status

Available7Press releasepny.com/file%20library/company/press%20center/press%20releases/pny_press_release_cs3140_m.2_nvme_gen_4_x_4_ssd_-_01.11.2021.pdfRead 15 October 2026Sell sheet version of November 2025 and the current PNY pages still list the drive

Available2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026Listed for sale on sandisk.com in 500GB, 1TB, 2TB and 4TB

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

Not available

Not available

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.

Not available

$139.995Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Spec table pricing row: 500GB $54.99, 1TB $84.99, 2TB $139.99 at review time, 12 March 2025. These match the review's launch coverage. No launch MSRP found for the 4TB, which came after launch

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

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

Not available

ColoursiThe maker's own colour names

Not available

Black2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026

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.

M.2 22801Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026Specifications: Form Factor M.2 22802Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026

M.2 22801Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026

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 TB, 8 TB2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026Footnote: 1 gigabyte = 1 billion bytes3Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 2026Usable Capacities (IDEMA): 1TB, 2TB, 4TB, 8TB5Maker product pagepny.com/en-eu/cs3140-m2-nvme-ssdRead 15 October 2026PNY EU page selector lists 1TB, 2TB, 4TB and 8TB, with SKU M280CS3140-8TB-RB. The 8TB page shows no specification table

500 GB, 1 TB, 2 TB, 4 TB1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026

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.

PCIe NVMe1Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026Specifications: Interface NVMe Gen4 x42Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026Interface row reads PCIe Gen4 x4. Key features text says Gen5 x4, which is a typo, since every other row says Gen4

PCIe NVMe1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026PCIe 4.0 x4 NVMe 2.0. Footnote says it is backwards compatible with PCIe 3.0 x4, 3.0 x2, 3.0 x1 and lower

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.

41Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026NVMe PCIe Gen4 x4 interface2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026

41Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026

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

41Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026NVMe PCIe Gen4 x4 interface2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026

41Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026

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

1.42Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026NVMe row reads NVMe 1.43Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 2026NVMe 1.47Press releasepny.com/file%20library/company/press%20center/press%20releases/pny_press_release_cs3140_m.2_nvme_gen_4_x_4_ssd_-_01.11.2021.pdfRead 15 October 2026Supports NVMe 1.4

2.01Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Datasheet reads NVMe 2.0. Tom's Hardware lists NVMe 1.4, ServeTheHome's CrystalDiskInfo shows NVMe 2.0, so the datasheet value is stored7Reviewservethehome.com/wd-black-sn7100-2tb-nvme-ssd-reviewRead 14 October 2026CrystalDiskInfo confirms PCIe 4.0 x4 speeds using NVMe 2.0

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

Not available

Not available

Hardware

5 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.

Phison E189Reviewtomshardware.com/reviews/pny-xlr8-cs3140-ssd-reviewRead 15 October 2026Spec table lists Phison PS5018-E18 for all capacities10Reviewkitguru.net/components/ssd-drives/simon-crisp/pny-xlr8-cs3140-1tb-ssd-review/all/1Read 15 October 2026Phison PS5018-E18-41, 8-channel, 12nm. Stored as Phison E1811Reviewservethehome.com/pny-cs3140-1tb-nvme-ssd-reviewRead 15 October 2026Review says the drive uses the PS5018 controller, which is a much higher performance controller than the CS3040's. The model name E18 is from Tom's Hardware and KitGuru

Sandisk Polaris 35Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Spec table reads Polaris 3 (Proprietary) on all capacities. The maker does not name the controller9Reviewpcworld.com/article/2592443/wd-black-sn7100-ssd-review.htmlRead 14 October 2026Describes a Sandisk A101-000172-A1 controller. Tom's Hardware names it Polaris 3

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.

TLC9Reviewtomshardware.com/reviews/pny-xlr8-cs3140-ssd-reviewRead 15 October 2026TLC in both samples

TLC1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026

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

Kioxia BiCS5 TLC9Reviewtomshardware.com/reviews/pny-xlr8-cs3140-ssd-reviewRead 15 October 2026Spec table and teardown of the 1TB (review of 22 June 2022): 176-layer Micron TLC (B47R), flash label IA7BG94AYA, four packages. The 25 August 2023 update says the 2TB sample uses 112-Layer Kioxia TLC (BiCS5), and says PNY switched to it from the original 176-layer Micron flash. KitGuru's 1TB of May 2021 had Micron 96-layer flash, so PNY changed the flash more than once. The 2TB value is stored in the base

Sandisk BiCS8 TLC1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026NAND row reads SANDISK TLC 3D CBA NAND and the text says 8th generation SANDISK BiCS TLC 3D CBA NAND5Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Spec table reads Sandisk 218-Layer TLC (BiCS8)9Reviewpcworld.com/article/2592443/wd-black-sn7100-ssd-review.htmlRead 14 October 2026BiCS8 NAND. ServeTheHome writes BiCS6 162-layer, which disagrees with the maker, Tom's Hardware and PCWorld, and is not used

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

1129Reviewtomshardware.com/reviews/pny-xlr8-cs3140-ssd-reviewRead 15 October 2026176 for the 1TB sample, 112 for the 2TB sample

2185Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026218 layers

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.

DRAM2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026The sheet highlights DRAM Cache. It gives no size9Reviewtomshardware.com/reviews/pny-xlr8-cs3140-ssd-reviewRead 15 October 20261TB teardown: SK hynix H5AN8G6NCJR-VKC, 1GB of DDR4. The spec table lists DDR4 DRAM for all capacities10Reviewkitguru.net/components/ssd-drives/simon-crisp/pny-xlr8-cs3140-1tb-ssd-review/all/1Read 15 October 2026Cache: 1GB DDR4-2666, an SK hynix H5AN8G6NCJR-VKC chip

None, uses host memory (HMB)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026DRAM cache row reads Host Memory Buffer, so the drive has no DRAM chip5Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Spec table lists N/A (HMB) on all capacities9Reviewpcworld.com/article/2592443/wd-black-sn7100-ssd-review.htmlRead 14 October 2026Host memory buffer, DRAM-less design

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.

Not available

Not available

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.

Not available

Single-sided1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Form factor reads M.2 2280-S3-M for every capacity. In the M.2 module naming S is single-sided5Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Review says the drive is single-sided with one NAND flash package. A 4TB would need two packages, which TH did not yet test9Reviewpcworld.com/article/2592443/wd-black-sn7100-ssd-review.htmlRead 14 October 2026Single-sided, 2280, 22 mm wide and 80 mm long

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.

7,500MB/s1Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026Up to 7,500MB/s for the 4TB2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026Up to 7,500MB/s for 1TB, 2TB and 4TB. Footnote: speeds may vary with host, settings, OS and applications. PNY's launch release says PNY internal testing on an NVMe PCIe Gen4 x4 host3Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 2026Max sequential read 7,500 MB/s for 1TB, 2TB and 4TB and 7,000 MB/s for 8TB

7,250MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Product specifications table. Sequential 1MB at queue depth 8, 1 thread, up to. 6,800, 7,250, 7,250 and 7,000 MB/s for 500GB, 1TB, 2TB and 4TB. Based on internal testing, host not named

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

6,850MB/s1Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026Up to 6,850MB/s for the 4TB2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026Up to 5,650MB/s for 1TB and 6,850MB/s for 2TB and 4TB3Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 2026Max sequential write 5,650 MB/s for 1TB, 6,850 MB/s for 2TB and 4TB and 5,900 MB/s for 8TB

6,900MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 20265,800, 6,900, 6,900 and 6,700 MB/s for 500GB, 1TB, 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.

Not available

1,000,000IOPS1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Random 4KB at queue depth 32, 16 threads, up to. 760K, 1M, 1M and 900K IOPS by capacity

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.

Not available

1,400,000IOPS1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 20261.2M, 1.4M, 1.4M and 1.35M IOPS by capacity, same test settings

Endurance and reliability

3 of 3 differ

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

1,400TB6Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/solid-state-drive-warranty-v10.06.2025.pdfRead 15 October 2026PNY SSD warranty v10.06.2025, TBW table under M.2 NVMe Gen4 x4: CS3140 1TB 700, 2TB 1,400 and 4TB 3,000. The 8TB is not in the table. Tom's Hardware quotes the same figures9Reviewtomshardware.com/reviews/pny-xlr8-cs3140-ssd-reviewRead 15 October 2026Spec table: 700TBW, 1400TBW and 3000TBW. Tom's Hardware says it found them on PNY's Taiwanese site

1,200TB1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026300, 600, 1,200 and 2,400 TBW by capacity, JEDEC client workload JESD219. Warranty is 5 years or the TBW, whichever comes first

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.

2,000,000h1Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026The page text says 1.6 million hours in the specification block and 2 million hours in the feature text. The sell sheets say 2,000,000 hours and are stored2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026Mean Time Before Failures 2,000,000 Hours. Maker states MTBF3Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 20262,000,000 Hours

1,750,000h1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Published as MTTF up to 1.75M hours, from internal Telcordia SR-332 stress testing at 25 C. It is not an MTBF

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

Min0Max70°C2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026Operating Temperature 0 C ~ 70 C. Storage -40 C ~ 85 C is not stored3Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 20260 C ~ 70 C

Min0Max85°C1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 20260 to 85 C as reported by the drive. The non-operating range is not stored

Power

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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.

Not available

3.7W1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Average active power read, IOMeter 1.1.0 burst sequential read, 10 second moving average. 3.4, 3.4, 3.7 and 4.1 W by capacity

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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3.9W1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Average active power write, same method. 3.5, 3.7, 3.9 and 4.0 W by capacity

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

5mW1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Sleep (PS4), 5 mW at every capacity. The datasheet lists no idle figure

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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7,201MB/s8Reviewservethehome.com/wd-black-sn7100-2tb-nvme-ssd-review/2Read 14 October 20262TB, CrystalDiskMark 8.0.4 x64, 1GiB test size, five runs, SEQ1M Q8T1 read 7,200.55 MB/s. The screenshot shows the drive as C: with 64% used (1192 of 1863 GiB). Values read from the CrystalDiskMark screenshot. The 8GB test shows a large write drop

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

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5,855MB/s8Reviewservethehome.com/wd-black-sn7100-2tb-nvme-ssd-review/2Read 14 October 2026SEQ1M Q8T1 write 5,855.22 MB/s, same run

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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106.78MB/s8Reviewservethehome.com/wd-black-sn7100-2tb-nvme-ssd-review/2Read 14 October 2026RND4K Q1T1 read 106.78 MB/s, same screenshot

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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287.89MB/s8Reviewservethehome.com/wd-black-sn7100-2tb-nvme-ssd-review/2Read 14 October 2026RND4K Q1T1 write 287.89 MB/s, same screenshot

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.

1,600MB/s9Reviewtomshardware.com/reviews/pny-xlr8-cs3140-ssd-reviewRead 15 October 20262TB sample: pSLC mode for over 30 seconds at up to 6.2 GB/s, then drops to around 1.6 GB/s in TLC mode. Iometer sequential write for 15 minutes, drive prefilled to 50%, Intel Core i9-11900K, ASRock Z590 Taichi, active cooling unless noted

2,860MB/s6Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-review/2Read 14 October 20262TB, 15-minute Iometer sequential write. About 6.5 GB/s in SLC mode, then TLC mode with writing around 2.86 GB/s, then about 850 MB/s in a semi-folding state. The TLC mode figure is stored. Intel Core i9-12900K, Asus ROG Maximus Z790 Hero, drive prefilled to 50%, tested as a secondary device. ServeTheHome's 800 MB/s is its lowest steady point, a different state.

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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64°C6Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-review/2Read 14 October 20262TB bare drive. Maximum 64 C during testing, usually under 60 C. Primary composite sensor, about 22 C ambient, active cooling unless noted, Intel Core i9-12900K on Asus ROG Maximus Z790 Hero, drive prefilled to 50% and tested as a secondary device. The review does not say a heatsink was fitted. ServeTheHome logged a 59 C peak without a heatsink or active cooling with HWMonitor

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".

953mW9Reviewtomshardware.com/reviews/pny-xlr8-cs3140-ssd-reviewRead 15 October 2026Read from chart. Quarch PPM idle power with ASPM and LPM disabled: 953 mW for the 2TB sample (update of 25 August 2023) and 781 mW for the 1TB sample (review of 22 June 2022). Test benches as in the review notes

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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.

Without heatsink, With heatsink3Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 2026Offered with an optional extruded aluminum heatsink. Both versions are listed4Maker product pagepny.com/cs3140-m2-nvme-ssd-with-heatsinkRead 15 October 2026Page for the CS3140 with Heatsink: integrated extruded aluminum heatsink. Capacity selector 1TB, 2TB and 4TB7Press releasepny.com/file%20library/company/press%20center/press%20releases/pny_press_release_cs3140_m.2_nvme_gen_4_x_4_ssd_-_01.11.2021.pdfRead 15 October 2026Two versions: a non-heatsink version and a version with a 45-gram extruded aluminum heatsink

Without heatsink1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Bare M.2 2280 module, 2.38 mm thick, and the datasheet and product page list no heatsink version

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.

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

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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.

AES 256-bit hardware encryption, TCG Pyrite (no encryption)1Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026Features: Supports TCG Pyrite, the security software designed for personal client computing. AES256 comes from the sell sheet2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026Encryption row reads AES256. The sheet does not say hardware, but lists it as a property of the drive. Tom's Hardware says the drive supports 256-bit AES encryption9Reviewtomshardware.com/reviews/pny-xlr8-cs3140-ssd-reviewRead 15 October 2026Spec table Security row reads AES256 for all capacities

TCG Pyrite (no encryption), Password protection1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Datasheet reads TCG Pyrite 2.01 and ATA Security passthrough over NVMe. Pyrite has no encryption. ATA Security is the drive password feature, stored as password protection.

Software

PCIe SSD Toolbox9Reviewtomshardware.com/reviews/pny-xlr8-cs3140-ssd-reviewRead 15 October 2026PNY offers a PCIe SSD toolbox download for firmware updates, SMART readings and secure erase

SanDisk Dashboard1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Featured software: SANDISK Dashboard (Windows only) and Acronis True Image for SANDISK

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.

PC (no OS named), PS51Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026Features: designed for M.2 2280 compatible desktops, laptops and handheld gaming devices. PNY's PS5 page lists the CS3140 non-heatsink drive and says a heatsink must be added, with PS5 software 21.02-04.00.00 or higher. The bare drive is the one PNY lists for PS58Maker product pagepny.com/gaming/learn-more/accelerate-your-ps5-gamingRead 15 October 2026Lists the CS3140 non-heatsink SSD for PS5, compatible with the optical and digital PS5, with PS5 software 21.02-04.00.00 or higher. The user adds a heatsink

Windows2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026Compatibility row reads Windows 10+, PCIe 4.0 x4 interface, M.2 2280 port. No PS5 or handheld claim on the page

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.

Length80Width22Height4mm(3.1 × 0.9 × 0.2 in)2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026Part Dimensions 22 x 80 x 4mm for the drive without heatsink. Stored as L x W x H. The EU sheet calls 4 mm a maximum3Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 2026Dimensions (L x W x H): no heatsink 22 x 80 x 4 mm (Max), with heatsink 22.8 x 80.4 x 20.5 mm

Length80Width22Height2.38mm(3.1 × 0.9 × 0.1 in)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 202680 x 22 x 2.38 mm for 500GB to 4TB. Length and width vary by 0.15 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.

6.6g(0.2 oz)3Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-pny-xlr8-cs3140-2to_8119.pdfRead 15 October 2026Weight: no heatsink 6.6g, with heatsink 45g. PNY's launch release and KitGuru describe the heatsink itself as 45 g, and KitGuru lists the heatsink drive at 47 g, so the 45 g may be the heatsink alone. Stored as the maker publishes it

5.8g(0.2 oz)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 20265.8 g for 500GB to 4TB, plus or minus 1 g

In the box

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In the box

Not available

SANDISK Optimus GX 7100 NVMe SSD2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026In The Box reads SANDISK Optimus GX 7100 NVMe SSD

Cables includediCables supplied with an external drive.

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Links

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Product page

www.pny.com/cs3140-m-2-nvme-ssd1Maker product pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 2026PNY US page of the CS3140 4TB. Capacity selector 1TB, 2TB and 4TB

www.sandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssd2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026

Spec sheet

www.pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdf2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 2026PNY XLR8 Gaming CS3140 sell sheet, ver. 11-17-25, for 1TB, 2TB and 4TB

documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdf1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026

Manual

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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.

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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 pagepny.com/cs3140-m-2-nvme-ssdRead 15 October 20265-Year Limited Warranty or TBW, whichever comes first per PNY's SSD warranty document. No registration is needed2Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/xlr8-ssd-cs3140-sell-sheet.pdfRead 15 October 20265-YEAR LIMITED WARRANTY OR TBW. Warranty depends on region, see the PNY site6Maker spec sheet (PDF)pny.com/file%20library/company/support/product%20brochures/solid%20state%20drives/solid-state-drive-warranty-v10.06.2025.pdfRead 15 October 2026CS3140, 5 Years, or until the TBW is reached7Press releasepny.com/file%20library/company/press%20center/press%20releases/pny_press_release_cs3140_m.2_nvme_gen_4_x_4_ssd_-_01.11.2021.pdfRead 15 October 2026Warranty: 5 Year

5years1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026

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