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Portable SSDs with higher official sequential write

Portable and external SSDs whose official maker product page lists a higher official sequential write speed (MB/s). Picks are drawn from the official-spec ranking in this category; commissions never change the order.

Updated 2026-11-134 picksFull portable and external ssds ranking

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  1. 1

    Samsung P7 1TB

    Score is within our portable and external ssds ranking
    10.0/10

    Official product page lists a sequential write speed of 3,800 MB/s.

    What we like

    • Official maker page lists a sequential read speed of 4,000 MB/s.
    • Official maker page lists a sequential write speed of 3,800 MB/s.
    • Official maker page lists a capacity of 1 TB.

    Watch out for

    • Official endurance (TBW) is Not listed on the official product page we used.
    Check price at AmazonFull specs & sources
  2. 2

    SanDisk Extreme PRO Portable SSD V3 2TB

    Score is within our portable and external ssds ranking
    10.0/10

    Official product page lists a sequential write speed of 3,800 MB/s.

    What we like

    • Official maker page lists a sequential read speed of 4,000 MB/s.
    • Official maker page lists a sequential write speed of 3,800 MB/s.
    • Official maker page lists a capacity of 2 TB.

    Watch out for

    • Official endurance (TBW) is Not listed on the official product page we used.
    • Official interface is Not listed in the official specification table we used.
    • Official form factor is Not listed in the official specification table we used.
    Check price at AmazonFull specs & sources
  3. 3

    WD_BLACK P40 Game Drive 1TB

    Score is within our portable and external ssds ranking
    4.6/10

    Official product page lists a sequential write speed of 2,000 MB/s.

    What we like

    • Official maker page lists a sequential read speed of 2,000 MB/s.
    • Official maker page lists a sequential write speed of 2,000 MB/s.
    • Official maker page lists a capacity of 1 TB.

    Watch out for

    • Official endurance (TBW) is Not listed on the official product page we used.
    • Official form factor is Not listed in the official specification table we used.
    Check price at AmazonFull specs & sources
  4. 4

    Crucial X10 Pro 1TB

    Score is within our portable and external ssds ranking
    4.7/10

    Official product page lists a sequential write speed of 2,000 MB/s.

    What we like

    • Official maker page lists a sequential read speed of 2,100 MB/s.
    • Official maker page lists a sequential write speed of 2,000 MB/s.
    • Official maker page lists a capacity of 1 TB.

    Watch out for

    • Official endurance (TBW) is Not listed on the official product page we used.
    Check price at AmazonFull specs & sources

Keep comparing

Full rankingBest portable and external SSDs, ranked on official maker specs Buying guidePortable SSDs with higher official sequential read Head-to-headSamsung P7 1TB vs SanDisk Extreme PRO Portable SSD V3 2TB TopicPortable and external SSDs