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For user uploads, choose storage around the full path from upload to download—not the storage rate or egress line item alone. R2 can suit workloads with frequent internet downloads because it lists no egress charge; B2’s ordinary free-egress allowance grows with stored data; and S3’s transfer costs depend on volume, region, and destination, with a 100 GB/month free allowance under stated exclusions. Requests, retrieval, routing, and your upload design still affect the bill.
What should change your storage choice?
Start with the route each byte takes. A customer downloading a file over the internet, an application reading it in the same AWS Region, a transfer between regions, and a download served through a CDN can follow different billing rules. “Egress” is not one universal path or price.
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Then compare the whole workload: average stored data, new uploads, user downloads, request counts, storage class, retention, and cache hit rate. A provider with free or discounted egress can still cost more for a particular workload if storage, operations, retrieval, or delivery routing outweighs that saving.
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How do the published pricing terms compare?
These are provider-published terms, not a like-for-like estimate. Rates and billing depend on usage path and may change; check the linked pricing pages for your region and current account terms before committing.
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- Entry-level NAS Personal Storage：UGREEN NAS DH2300 is your first and best NAS made easy. It is designed for beginners who want a simple, private way to store videos, photos and personal files, which is intuitive for users moving from cloud storage or external drives and move away from scattered date across devices. This entry-level NAS 2-bay perfect for personal entertainment, photo storage, and easy data backup (doesn't support Docker or virtual machines).
- Set Your Devices Free, Expand Your Digital World: This unified storage hub supports massive capacity up to 64TB.*Storage drives not included. Stop Deleting, Start Storing. You can store 22 million 3MB images, or 2 million 30MB songs, or 43K 1.5GB movies or 67 million 1MB documents! UGREEN NAS is a better way to free up storage across all your devices such as phones, computers, tablets and also does automatic backups across devices regardless of the operating system—Window, iOS, Android or macOS.
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| Service | Storage terms in the cited pricing | Internet delivery terms | Other cost to include |
|---|---|---|---|
| Amazon S3 | Not stated as a single comparable rate in the cited AWS pricing summary; rates depend on bucket region and storage class. See AWS S3 pricing. | AWS lists the first 100 GB/month of internet data transfer out free, aggregated across AWS services and Regions except China and GovCloud. Same-Region transfers from S3 to AWS services and transfers to CloudFront have separate no-charge treatment on the cited pricing page; actual charges depend on bucket region and destination. | Include request, storage-class, and any applicable transfer charges using the specific region and route. |
| Cloudflare R2 | Cloudflare’s pricing page, last updated October 1, 2026, lists Standard storage at $0.015/GB-month and Infrequent Access storage at $0.01/GB-month. | Free egress for both listed classes, according to Cloudflare’s pricing page. | Requests are billed; Infrequent Access retrieval is listed at $0.01/GB. See Cloudflare R2 pricing. |
| Backblaze B2 | Backblaze’s pricing page, accessed in 2026, lists $6.95/TB/30 days. | Ordinary free egress up to 3× average monthly stored data, then $0.01/GB. The page also describes unlimited free egress through named CDN and compute partners, including Cloudflare, subject to routing through those partners and their conditions. | Check the exact partner routing conditions and account for operations and any delivery services. See Backblaze B2 pricing. |
Do not treat the B2 partner route as a generic free-egress allowance: it is an architectural choice with stated routing conditions. Likewise, R2’s free-egress term does not mean storage, requests, or retrieval are free, and AWS’s allowance is not 100 GB per bucket.
When is each service a plausible fit?
Consider S3 when your delivery path is already in AWS
S3 is a natural candidate when uploads feed AWS-based processing or when downloads can use a transfer path that receives the cited no-charge treatment. For public internet downloads beyond the applicable allowance, model the bucket’s region and destination rather than applying a single blanket egress assumption. The 100 GB allowance is aggregated across AWS services and Regions and excludes China and GovCloud.
Rank #2
- Value NAS with RAID for centralized storage and backup for all your devices. Check out the LS 700 for enhanced features, cloud capabilities, macOS 26, and up to 7x faster performance than the LS 200.
- Connect the LinkStation to your router and enjoy shared network storage for your devices. The NAS is compatible with Windows and macOS*, and Buffalo's US-based support is on-hand 24/7 for installation walkthroughs. *Only for macOS 15 (Sequoia) and earlier. For macOS 26, check out our LS 700 series.
- Subscription-Free Personal Cloud – Store, back up, and manage all your videos, music, and photos and access them anytime without paying any monthly fees.
- Storage Purpose-Built for Data Security – A NAS designed to keep your data safe, the LS200 features a closed system to reduce vulnerabilities from 3rd party apps and SSL encryption for secure file transfers.
- Back Up Multiple Computers & Devices – NAS Navigator management utility and PC backup software included. NAS Navigator 2 for macOS 15 and earlier. You can set up automated backups of data on your computers.
Consider R2 when user downloads are a major cost driver
R2’s listed free egress can make the bandwidth portion easier to predict for workloads with substantial internet downloads. Compare storage class, requests, and—if considering Infrequent Access—retrieval charges against the actual access pattern. A free-egress line item alone does not establish that R2 is the lowest-cost choice.
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Consider B2 when its allowance or partner route matches your delivery design
B2’s standard free-egress allowance scales with average monthly stored data, which can suit workloads whose download volume stays within that relationship. If relying on partner delivery terms, design and verify the route through the named partner and its current conditions; do not budget as if the same unlimited allowance applied to arbitrary direct downloads.
Rank #3
- Value NAS with RAID for centralized storage and backup for all your devices. Check out the LS 700 for enhanced features, cloud capabilities, macOS 26, and up to 7x faster performance than the LS 200.
- Connect the LinkStation to your router and enjoy shared network storage for your devices. The NAS is compatible with Windows and macOS*, and Buffalo's US-based support is on-hand 24/7 for installation walkthroughs. *Only for macOS 15 (Sequoia) and earlier. For macOS 26, check out our LS 700 series.
- Subscription-Free Personal Cloud – Store, back up, and manage all your videos, music, and photos and access them anytime without paying any monthly fees.
- Storage Purpose-Built for Data Security – A NAS designed to keep your data safe, the LS200 features a closed system to reduce vulnerabilities from 3rd party apps and SSL encryption for secure file transfers.
- Back Up Multiple Computers & Devices – NAS Navigator management utility and PC backup software included. NAS Navigator 2 for macOS 15 and earlier. You can set up automated backups of data on your computers.
How should you compare the monthly bill?
Build one representative month from observed product data, then keep each assumption visible. At minimum, record:
- Average stored data and the storage class or classes used.
- New upload volume and expected retention, including data that is later deleted.
- Internet downloads, same-region reads, inter-region movement, and CDN-served delivery as separate paths.
- Read, write, listing, and other request counts; bandwidth and request charges are different components.
- Retrieval volume and any applicable retrieval or minimum-duration terms for the chosen class.
- Cache hit rate and the share of downloads that actually reach object storage.
Use the matching region, route, storage class, and current pricing terms for each provider. Do not compare rates from different regions as though they described the same scenario. Revisit the model when download destinations, traffic mix, retention, or cache behavior changes. The available provider prices do not establish a universal performance winner: measure latency and throughput for your own user geographies and file sizes.
Rank #4
- Easily store and access 2TB to content on the go with the Seagate Portable Drive, a USB external hard drive
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- To get set up, connect the portable hard drive to a computer for automatic recognition no software required
- This USB drive provides plug and play simplicity with the included 18 inch USB 3.0 cable
- The available storage capacity may vary.
How should uploads be designed?
Keep file bytes off the application server when appropriate
A direct-to-object-store upload can let the application authorize an upload without proxying the file data through its own server. AWS documents S3 presigned URLs that grant time-limited access for a specified object key and method without exposing AWS credentials to the user. A presigned URL can be used more than once until it expires, and uploading to an existing key replaces that object. Generate unique object keys and short-lived URLs, and validate ownership and uploaded content in the application. The cited documentation establishes this pattern for S3; confirm the corresponding implementation and security controls for another provider rather than assuming identical behavior. See AWS presigned URL documentation.
Use multipart uploads deliberately for large files
AWS recommends multipart upload for objects 100 MB or larger. Multipart uploads transfer parts independently and can do so in parallel, which supports retries without necessarily restarting the whole file. In-progress parts incur storage and request charges until the upload is completed or aborted, so the application needs a cleanup plan for abandoned uploads. The threshold and mechanics here are AWS guidance; see AWS multipart upload documentation.
Quick Recap
Best Value
- Entry-level NAS Home Storage: The UGREEN NAS DH4300 Plus is an entry-level 4-bay NAS that's ideal for home media and vast private storage you can access from anywhere and also supports Docker but not virtual machines. You can record, store, share happy moment with your families and friends, which is intuitive for users moving from cloud storage, or external drives to create your own private cloud, access files from any device.
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- User-Friendly App & Easy Setup: Connect quickly via NFC, set up simply and share files fast on Windows, macOS, Android, iOS, web browsers, and smart TVs. You can access data remotely from any of your mixed devices. What's more, UGREEN NAS enclosure comes with beginner-friendly user manual and video instructions to ensure you can easily take full advantage of its features.
- More Cost-effective Storage Solution: Unlike cloud storage with recurring monthly fees, A UGREEN NAS enclosure requires only a one-time purchase for long-term use. For example, you only need to pay $629.99 for a NAS, while for cloud storage, you need to pay $719.88 per year, $1,439.76 for 2 years, $2,159.64 for 3 years, $7,198.80 for 10 years. You will save $6,568.81 over 10 years with UGREEN NAS! *NAS cost based on DH4300 Plus + 12TB HDD; cloud cost based on 12TB plan (e.g. $59.99/month).
- Your Data, You Control：No third-party clouds, no hidden access, UGREEN NAS provides a more secure and private data storage solution. It stores data locally on your private hard drives and does automatic backups. Thus, you can keep full control over it. The advanced encryption is TRUSTe certified in the United States and is awarded the first (and only) ETSI EN 303 645 certification mark for NAS products by TÜV SÜD Group.
Make retries and validation part of the design
- Choose unique, controlled object keys so one user cannot overwrite another user’s file accidentally.
- Set URL expiry and authorization rules to match the upload window.
- Track multipart sessions and abort stale incomplete uploads.
- Validate size, type, ownership, and application-specific constraints before treating an upload as accepted.
- Test interrupted transfers and retries with the file sizes and network conditions your users actually encounter.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
