Google Cloud Transfer Appliance
Cloud migration software
Data integration tools
Cloud data integration software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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What is Google Cloud Transfer Appliance
Google Cloud Transfer Appliance is a Google-managed hardware appliance used to move large volumes of on-premises data into Google Cloud when network transfer is impractical or too slow. It targets IT infrastructure and cloud migration teams that need to seed data into Google Cloud Storage (and downstream services) for migrations, analytics, backup, or archival. The process involves copying data locally to the appliance, shipping it to Google, and having Google upload the data into the customer’s Google Cloud project. It is designed for bulk, offline transfers rather than ongoing synchronization.
Efficient for bulk seeding
It supports transferring very large datasets without relying on WAN bandwidth or long-running online transfers. This is useful for initial cloud migrations, data lake seeding, and large archive moves where network-based tools can take weeks. The offline workflow can reduce exposure to network instability and throttling during transfer windows.
Google-managed ingest workflow
Google handles the data ingestion step after the appliance is returned, reducing the operational burden of running long upload jobs. The service integrates with Google Cloud Storage as the landing zone, which fits common migration patterns into Google Cloud. It also provides a defined chain-of-custody shipping process compared with ad hoc disk shipping.
Works with limited connectivity
It is suitable for sites with constrained bandwidth, high egress costs, or strict change windows where continuous online transfer is not feasible. The appliance enables data movement from environments that are otherwise difficult to migrate due to network limitations. This can complement online transfer services by handling the initial bulk move and leaving deltas for network-based methods.
Not for continuous sync
Transfer Appliance is primarily a bulk, point-in-time transfer mechanism and does not provide ongoing bidirectional synchronization. Organizations typically need separate tooling for incremental updates, cutover coordination, and post-migration sync. This makes it less suitable as a standalone solution for complex, iterative migrations.
Logistics and lead times
The workflow depends on shipping hardware, which introduces scheduling, transit time, and potential customs or regional availability considerations. Physical handling requires planning for secure storage, rack/space, and operational procedures at the source site. These factors can slow projects compared with purely software-based transfer options when bandwidth is sufficient.
Google Cloud landing focus
It is designed to land data into Google Cloud (typically Cloud Storage), so it does not function as a general-purpose multi-cloud migration tool. If the target architecture requires multiple destinations or non-Google endpoints, additional integration steps and tools are required. It also does not address application-level migration tasks such as identity, permissions mapping, or SaaS tenant-to-tenant moves.
Plan & Pricing
Pricing model: Pay-as-you-go (one-time appliance base fee + included onsite free days; per-day overage fees; shipping; Cloud Storage and request charges apply)
Base fees & on-site usage (official Google Cloud pricing page):
- 40 TB appliance — Base fee: $300; Free days included: 10 weekdays; Per-day use fee after free days: $30 per weekday; Shipping: varies (within US freight typically starts around $120 round-trip; within Europe ~€/£350 round-trip typical example).
- 300 TB appliance — Base fee: $1,800; Free days included: 25 weekdays; Per-day use fee after free days: $90 per weekday; Shipping: varies (within US freight typically starts around $180 round-trip; within Europe ~€/£500 round-trip typical example).
Other costs/notes (official):
- You incur Cloud Storage monthly storage and operations charges for data in your bucket (see Cloud Storage Pricing).
- Class A and Class B operations (request) charges apply for object creation/retrieval.
- Storage Transfer Service (when used) is charged at $0.0125 per GB ingested to the Cloud Storage bucket (standard Transfer Service pricing). Transfer Service fees are not charged for data ingested by physically shipping the appliance.
- Pricing examples on the official page: 40 TB kept 2 weekdays beyond free period + $200 shipping = $560 total; 300 TB returned during free period + $300 shipping = $2,100 total.
TA7 / 7 TB appliance:
- Google documents a TA7 (7 TB) appliance in specifications and SKUs, but the Transfer Appliance pricing page does not list a public price amount for a 7 TB appliance (SKUs exist in official SKU listing). See notes below.
Seller details
Google LLC
Mountain View, CA, USA
1998
Subsidiary
https://cloud.google.com/deep-learning-vm
https://x.com/googlecloud
https://www.linkedin.com/company/google/
