For infra leads designing for portability

    Design your exit
    before you need it.

    S3-compatible object storage. Move in and out with the same tools. No egress penalty on the way out.

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    Egress is the lock-in mechanism, not the vendor relationship.

    Hyperscaler object storage is cheap to enter and expensive to leave. The exit cost is not in the contract — it is in the egress rate. Portability requires planning it in before the data accumulates.

    The entry cost

    Cheap to start. Invisible exit bill.

    Hyperscaler storage is priced to win the initial migration. The egress charge is the asymmetry — it does not appear until data is large enough that the exit cost becomes a reason to stay.

    The growth trap

    The bigger the dataset, the more it costs to leave.

    At $0.09/GB egress, moving 100 TB off AWS costs $9,216. Moving 500 TB costs $46,080. The cost of portability scales linearly with the value of the data you have accumulated.

    The architecture constraint

    Portability requires designing for it early.

    Teams that want multi-cloud flexibility discover it requires storage that does not penalise the decision. By the time the evaluation happens, the exit cost is already large enough to be a negotiating point.

    100 TB. What it costs to leave.

    Same dataset, six providers. Monthly storage and the one-time cost to migrate 100 TB to another provider.

    AWS S3 Standard
    100 TB/mo storage
    $2,355
    Egress rate
    $0.09/GB
    Exit bill (100 TB)
    $9,216
    Google Cloud Storage
    100 TB/mo storage
    $2,048
    Egress rate
    up to $0.12/GB
    Exit bill (100 TB)
    $9,831
    Azure Blob (Hot)
    100 TB/mo storage
    $1,843
    Egress rate
    up to $0.087/GB
    Exit bill (100 TB)
    $7,602
    Wasabi
    100 TB/mo storage
    $700
    Egress rate
    $0
    Exit bill (100 TB)
    $0
    Backblaze B2
    100 TB/mo storage
    $600
    Egress rate
    $0
    Exit bill (100 TB)
    $0
    Fil OneYou
    100 TB/mo storage
    $499
    Egress rate
    $0
    Exit bill (100 TB)
    $0

    Storage at 100 TB using published US rate cards, Q2 2026. AWS exit: 102,400 GB × $0.09 = $9,216. GCP exit: tiered — 10 TB @ $0.12 + 40 TB @ $0.11 + 50 TB @ $0.08 = $9,831. Azure exit: tiered — 10 TB @ $0.087 + 40 TB @ $0.083 + 50 TB @ $0.07 = $7,602. Wasabi, Backblaze B2, Fil One: $0 egress.

    An S3 endpoint that doesn't penalise the exit.

    Same tools, same APIs. The architecture that works today works tomorrow — on any cloud that reads S3.

    S3-compatible portability

    Any tool that writes S3 — SDKs, rclone, s5cmd, Terraform — works with an endpoint change. Moving in does not require a rewrite. Moving out does not either.

    No exit egress

    $0 to move 100 TB out. The exit cost that locks teams into a cloud is not a line item here. Portability is default, not a feature you negotiate.

    Flat, predictable cost

    One rate at $4.99/TB regardless of read volume, request count, or where the data goes. Multi-cloud cost modelling has one fewer variable.

    Object Lock for compliance

    Configure retention from 1 day to 100 years at the bucket level, for data that must not be altered or deleted early — even mid-migration.

    Portable by default, not by promise.

    Free 1 TB evaluation. Point your S3 tools at the endpoint. The exit is $0 from day one.

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    No credit card required · No egress fees · Connects in minutes