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Seagate Storage Expansion Card for Xbox Series X|S vs Silicon Power XPOWER XS70

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Product A: Seagate

Storage Expansion Card for Xbox Series X|S

21 of 63 known

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B

Product B: Silicon Power

XPOWER XS70

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Only differences

ASeagate Storage Expansion Card for Xbox Series X|S

BSilicon Power XPOWER XS70

General

5 of 9 differ

Series

Not available

Not available

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

STJR512400, STJR1000400, STJR2000400, STJR40004002Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdfRead 15 October 2026Specifications table: STJR1000400, STJR2000400 and STJR40004003Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-2-2412US-en_US.pdfRead 15 October 2026Seagate data sheet DS2081.2-2412US, the last one that lists the 512GB model STJR512400 with STJR1000400 and STJR20004004Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-4-2504US-en_US.pdfRead 15 October 2026Data sheet DS2081.4-2504US of April 2025 lists STJR1000400 and STJR2000400 only

SP01KGBP44XS7005, SP01KGBP44XS7005US, SP01KGBP44XS7005SN, SP01KGBP44XS7005AY, SU01KGBP44XS7005SN, SP02KGBP44XS7005, SP02KGBP44XS7005US, SP02KGBP44XS7005SN, SP02KGBP44XS7005AY, SU02KGBP44XS7005SN, SP04KGBP44XS7005, SP04KGBP44XS7005US, SP04KGBP44XS7005SN, SP04KGBP44XS7005AY, SU04KGBP44XS7005SN2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026The price table lists SP01KGBP44XS7005, SP02KGBP44XS7005 and SP04KGBP44XS7005, each also with the suffixes US, SN and AY. No P/N is listed for 8TB. The page does not say what the suffixes mean.4Maker product pagesilicon-power.com/jp/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026The Japanese page lists SU01KGBP44XS7005SN, SU02KGBP44XS7005SN and SU04KGBP44XS7005SN next to the SP codes.

GTIN / EAN

763649170410, 8719706042659, 763649142950, 8719706023757, 763649170311, 8719706042550, 763649182376, 87197060452092Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdfRead 15 October 2026UPC and EAN rows. 1TB UPC 763649142950, EAN 8719706023757. 2TB UPC 763649170311, EAN 8719706042550. 4TB UPC 763649182376, EAN 8719706045209. The multi-pack UPCs are not stored3Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-2-2412US-en_US.pdfRead 15 October 2026512GB UPC 763649170410 and EAN 87197060426594Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-4-2504US-en_US.pdfRead 15 October 2026Same UPC and EAN values as the 2501 sheet

4713436146322, 47134361463391Retailer pageox.ee/en/product/3097795Read 15 October 2026ox.ee lists product code SP01KGBP44XS7005 with EAN 4713436146322 for the 1TB. The 2TB page https://www.ox.ee/en/product/3135408 lists SP02KGBP44XS7005 with EAN 4713436146339. Other shops repeat both. No EAN was found for the 4TB, and the 4TB code seen on one shop did not match the others.

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

24 September 20206Press releaseseagate.com/news/news-archive/the-new-seagate-storage-expansion-card-for-xbox-series-x-pr-masterRead 15 October 2026Press release dated September 24, 2020

17 January 20229Press articleguru3d.com/news-story/silicon-power-releases-xpower-xs70-pcie-gen4-nvme-ssd.htmlRead 15 October 2026Guru3D news dated 2022-01-17 on the XS70 release in 1TB, 2TB and 4TB.

Status

Available11Retailer pageamazon.com/dp/B08K48F6QZRead 15 October 2026Amazon US listing for the 1TB, STJR1000400, with 10,228 ratings and rank 117 in External Solid State Drives on 2026-10-15. Seagate's own store shows no stock, so the status rests on the retail listings. The listing's weight of 30 g and its USB connectivity entry are not stored

Available2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026The page is live with a purchase tab.

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

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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.

$399.996Press releaseseagate.com/news/news-archive/the-new-seagate-storage-expansion-card-for-xbox-series-x-pr-masterRead 15 October 20261TB at $219.99, US7Press releasenews.xbox.com/en-usRead 15 October 2026Xbox Wire post of October 21, 2021: the 512GB card is $139.99 USD with launch in mid-November and the 2TB card is $399.99 USD with launch in early December. US only. The base price is the 2TB model8Press releaseseagate.com/ca/en/stories/articles/seagate-unveils-4tb-storage-expansion-card-for-xbox-series-x-s-the-ideal-storage-upgrade-for-players-prRead 15 October 2026Press release of June 9, 2025: the 4TB card is now available for $499.99 at the Seagate store and Best Buy. US

Not available

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.

From €239.992Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdfRead 15 October 20263Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-2-2412US-en_US.pdfRead 15 October 20266Press releaseseagate.com/news/news-archive/the-new-seagate-storage-expansion-card-for-xbox-series-x-pr-masterRead 15 October 20267Press releasenews.xbox.com/en-usRead 15 October 20268Press releaseseagate.com/ca/en/stories/articles/seagate-unveils-4tb-storage-expansion-card-for-xbox-series-x-s-the-ideal-storage-upgrade-for-players-prRead 15 October 20269Press articlewinfuture.de/news,118473.htmlRead 15 October 202612Press articlegamesbeat.com/xbox-series-x-seagate-expansion-card-teardownRead 21 October 202613Press articlethesixthaxis.com/2020/10/16/xbox-series-x-ssd-expansion-card-teardown-4d-nand-phison-e19t-pcie-speedRead 21 October 202614Press articletweaktown.com/news/75722/xbox-series-ssd-sk-hynix-4d-tlc-nand-phison-e19-memory-controller/index.htmlRead 21 October 2026

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

Not available

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ColoursiThe maker's own colour names

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

Xbox expansion card1Maker product pageseagate.com/products/gaming-drives/xbox-gaming/storage-expansion-for-xbox-series-xRead 15 October 2026The page says the card installs in the expansion storage slot of the console

M.2 22802Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 20263Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 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.

512 GB, 1 TB, 2 TB, 4 TB2Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdfRead 15 October 2026Footnote: one gigabyte equals one billion bytes and one terabyte equals one trillion bytes

1 TB, 2 TB, 4 TB, 8 TB2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026Capacity row: 1TB, 2TB, 4TB, 8TB. The 8TB capacity has speeds on the page but no P/N.

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 NVMe10Reviewstoragereview.com/review/seagate-storage-expansion-card-for-xbox-series-xs-reviewRead 15 October 2026Review of the 1TB card dated December 9, 2020. The spec table names the flash as Custom PCIe Gen4x2 NVMe, and Seagate's 4TB review table names PCIe Gen4 NVMe. The card connects through the console's proprietary expansion port, so Seagate and the Xbox pages name no standard interface

PCIe NVMe2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 20263Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

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.

410Reviewstoragereview.com/review/seagate-storage-expansion-card-for-xbox-series-xs-reviewRead 15 October 2026Spec table row reads Custom PCIe Gen4x2 NVMe, so generation 4. Seagate itself publishes no PCIe generation

42Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 20263Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

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

210Reviewstoragereview.com/review/seagate-storage-expansion-card-for-xbox-series-xs-reviewRead 15 October 2026Same row: Gen4x2, so two lanes. Retailer listings such as Best Buy also say PCIe Gen 4 x2

42Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 20263Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

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

Not available

1.42Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026Feature list: NVMe 1.4 support. Interface row: PCIe Gen4 x4.3Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

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

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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.

Phison E19T12Press articlegamesbeat.com/xbox-series-x-seagate-expansion-card-teardownRead 21 October 2026GamesBeat (VentureBeat) teardown of 15 October 2020, updated 20 June 2025, of a 1TB Seagate card the author received from Microsoft with the preview Xbox Series X hardware. The text reads: the controller is the Phison E19T PCIe Gen 4 controller. No other capacity was opened, so the controller of the 512GB, 2TB and 4TB cards is not confirmed and Seagate names none13Press articlethesixthaxis.com/2020/10/16/xbox-series-x-ssd-expansion-card-teardown-4d-nand-phison-e19t-pcie-speedRead 21 October 2026TheSixthAxis report of 16 October 2020 on the same VentureBeat teardown of the 1TB card: it combines a Phison E19T SSD controller with a single 1TB chip of SK Hynix's 4D NAND14Press articletweaktown.com/news/75722/xbox-series-ssd-sk-hynix-4d-tlc-nand-phison-e19-memory-controller/index.htmlRead 21 October 2026TweakTown news of 16 October 2020 on the GamesBeat teardown: the SSD card uses Phison's E19T memory controller

Phison E186Reviewtomshardware.com/reviews/silicon-power-xpower-xs70-reviewRead 15 October 2026Specification table: Phison PS5018-E18, Micron 176L TLC, DDR4. A commenter on the review claims newer 2TB units no longer use the E18. This was not verified. The review is from April 2022.

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/silicon-power-xpower-xs70-reviewRead 15 October 2026

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

Not available

Micron B47R TLC6Reviewtomshardware.com/reviews/silicon-power-xpower-xs70-reviewRead 15 October 2026Text: Micron's 176-layer B47R TLC NAND.

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

Not available

1766Reviewtomshardware.com/reviews/silicon-power-xpower-xs70-reviewRead 15 October 2026

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.

Not available

DRAM2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026Feature list: supports DRAM Cache Buffer.3Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

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

2GB6Reviewtomshardware.com/reviews/silicon-power-xpower-xs70-reviewRead 15 October 20262TB sample: SK hynix DDR4 in the 512M x 16b configuration, two 1GB modules, 2GB in total.

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.

Not available

7,300MB/s2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026Performance Read (max.): 7300 (1TB, 2TB, 8TB), 7200 (4TB). Base is the 2TB model. The page note says speeds vary with hardware, software and interface mode. No test tool is named.3Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026Performance Read (max.): up to 7,300MB/s. Footnote says speed varies with hardware, software and interface mode.

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

Not available

6,800MB/s2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026Performance Write (max.): 6000 (1TB), 6800 (2TB and 4TB), 6600 (8TB).3Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026Performance Write (max.): up to 6,800MB/s.

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

1,000,000IOPS6Reviewtomshardware.com/reviews/silicon-power-xpower-xs70-reviewRead 15 October 2026Specification table: Random Read 750,000 (1TB), 1,000,000 (2TB), 940,000 (4TB). The maker pages do not state IOPS. Guru3D prints the same table. The review does not state the queue depth.

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

1,000,000IOPS6Reviewtomshardware.com/reviews/silicon-power-xpower-xs70-reviewRead 15 October 2026Specification table: Random Write 1,000,000 IOPS for 1TB, 2TB and 4TB.

Endurance and reliability

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

Not available

1,400TB5Maker spec sheet (PDF)silicon-power.com/document/ssd_tbwRead 15 October 2026Silicon Power SSD TBW table, file dated 2026-08-05, PCIe M.2 SSDs, XS70 row: 700 TB (1TB), 1400 (2TB), 3000 (4TB), 6000 (8TB). The base is the 2TB model.

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.

Not available

1,600,000h2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026MTBF (est) 1,600,000 hours. The data sheet says MTBF 1,600,000 hours.3Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

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

Min5Max35°C2Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdfRead 15 October 2026Notes row reads 5-35 degree C. The sheet gives no storage range3Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-2-2412US-en_US.pdfRead 15 October 20265-35 degree C, the same as the newer sheets

Min0Max70°C2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 20263Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

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.

Not available

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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.

Not available

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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.

Not available

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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.

Not available

Not available

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

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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.

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

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.

Not available

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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.

Not available

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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.

Not available

220GB7Reviewtomshardware.com/reviews/silicon-power-xpower-xs70-review/2Read 15 October 20262TB with fitted heatsink. Iometer sequential write for 15 minutes: about 6.9 GB/s for up to 32 seconds, so a cache of roughly 220 GB. Intel Core i9-11900K on ASRock Z590 Taichi, drive prefilled to 50 percent, secondary drive.

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.

Not available

3,900MB/s7Reviewtomshardware.com/reviews/silicon-power-xpower-xs70-review/2Read 15 October 20262TB, read from chart. After the cache the sustained write line holds about 3.9 GB/s, from roughly 35 s to 420 s, before the slower folding state. Read from the 900 second line chart.

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.

Not available

73°C7Reviewtomshardware.com/reviews/silicon-power-xpower-xs70-review/2Read 15 October 20262TB with fitted heatsink, active cooling unless noted. Text: temperatures as high as 73 C with no throttling. The review does not state the duration of the test for this reading. The heatsink ran hotter than the Inland Gaming Performance Plus.

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".

Not available

826mW7Reviewtomshardware.com/reviews/silicon-power-xpower-xs70-review/2Read 15 October 20262TB, read from chart. Quarch PPM idle power with ASPM and LPM disabled: 826 mW.

Cooling and build

1 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.

Not available

With heatsink2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026The drive is sold with its aluminum heatsink fitted. The page lists no version without heatsink.3Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

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.

Not available

Not available

Dust and water ratingiPublished IP rating of an external drive.

Not available

Not available

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

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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.

Not available

Not available

Software

Not available

SP ToolBox2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026Free download of SP ToolBox. Tom's Hardware reported no software at review time.

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.

Xbox Series X|S1Maker product pageseagate.com/products/gaming-drives/xbox-gaming/storage-expansion-for-xbox-series-xRead 15 October 2026Page names Xbox Series X|S. Games of the original Xbox, Xbox 360 and Xbox One are stored on it, but they run on the Series console

PC (no OS named), PS52Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026System Requirement: a computer with M.2 slots supporting the PCIe interface and an OS with NVMe support, so no OS is named. Feature list: compatible with PlayStation 5, and the size and performance meet PS5 requirements. The drive carries its own heatsink.

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.

Length52.95Width31.6Height8.8mm(2.1 × 1.2 × 0.3 in)2Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdfRead 15 October 2026Product Dimensions rows are labelled Length 8.8 mm, Width 31.6 mm and Height 52.95 mm. The height row is the long side, so it is stored as length, and the thickness 8.8 mm as height. The 4TB column reads Height 59.3 mm instead of 52.95 mm, which is stored for the 4TB row3Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-2-2412US-en_US.pdfRead 15 October 2026This older sheet gives a thickness of 7.8 mm and a long side of 52.95 mm for all three capacities. The newer sheets give 8.8 mm for 1TB and 2TB, so 7.8 mm is stored only for the 512GB row, which the newer sheets do not cover4Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-4-2504US-en_US.pdfRead 15 October 2026Same 8.8 x 31.6 x 52.95 mm as the 2501 sheet

Length80Width24.6Height10.8mm(3.1 × 1 × 0.4 in)2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026Dimensions row reads 24.6mm x 80.0mm x 10.8mm, with the heatsink fitted. One value for every capacity.3Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

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.

26g(0.9 oz)2Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdfRead 15 October 2026Weight row reads 0.026 kg for 1TB and 2TB and 0.027 kg for 4TB3Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-2-2412US-en_US.pdfRead 15 October 20260.03 kg for 512GB, 1TB and 2TB. The newer sheets give 0.026 kg for 1TB and 2TB. 30 g is stored only for the 512GB row4Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-4-2504US-en_US.pdfRead 15 October 20260.026 kg for 1TB and 2TB

33g(1.2 oz)2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026Weight 33g, one value for every capacity.3Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

In the box

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In the box

Seagate Storage Expansion Card for Xbox Series X|S, Protective Cover, Quick Start Guide2Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdfRead 15 October 2026What's Included lists the card, Protective Cover and Quick Start Guide4Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-4-2504US-en_US.pdfRead 15 October 2026Same What's Included list

Not available

Cables includediCables supplied with an external drive.

Not available

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Links

Not compared

Product page

www.seagate.com/products/gaming-drives/xbox-gaming/storage-expansion-for-xbox-series-x1Maker product pageseagate.com/products/gaming-drives/xbox-gaming/storage-expansion-for-xbox-series-xRead 15 October 2026Seagate US product page. It shows no stock on 2026-10-15 and lists no specifications table, capacities, speeds or prices

www.silicon-power.com/product-detail/PCIe_Gen_4x4_XS702Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 2026

Spec sheet

www.seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdf2Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdfRead 15 October 2026Seagate data sheet DS2081.3-2501US covering 1TB, 2TB and 4TB. The newest sheet found for the 4TB card

www.silicon-power.com/download-detail/edm-xs703Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026One-page e-DM issued May 11, 2023. It lists 1TB to 8TB, speeds up to 7,300 and 6,800 MB/s and no per-capacity values, controller, flash or TBW.

Manual

www.seagate.com/ca/en/manuals/xbox-expansion5Owner's manualseagate.com/ca/en/manuals/xbox-expansionRead 15 October 2026Seagate's online user manual for the Storage Expansion Card for Xbox Series X/S (installation, serial number and regulatory sections, copyright 2021)

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

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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.

3years2Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series-4tb/xbox-expansion-card-series-4tb-DS2081-3-2501US-en_US.pdfRead 15 October 2026Warranty, Limited (years) row reads 3 for all three capacities. The sheet is worldwide (Region WW) and names no market3Maker spec sheet (PDF)seagate.com/content/dam/seagate/en/content-fragments/products/datasheets/xbox-expansion-card-series/xbox-expansion-card-series-DS2081-2-2412US-en_US.pdfRead 15 October 20263 years, the same as the newer sheets

5years2Maker product pagesilicon-power.com/product-detail/PCIe_Gen_4x4_XS70Read 15 October 20265-year limited warranty, based on TBW or the warranty period.3Maker spec sheet (PDF)silicon-power.com/download-detail/edm-xs70Read 15 October 2026

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