iCloud Drive to NAS: Move Off Apple's Storage Ceiling Onto Hardware You Own

Q: "How are files organized on a NAS after moving from iCloud Drive?"

"Files land inside a shared folder on the NAS volume as a plain folder hierarchy, matching iCloud Drive's original folders and subfolders. There is no album or container concept to translate, since both sides use ordinary folders."

Q: "Does iCloud Drive's ~50 GB per-file limit carry over to what the NAS can store?"

"No. The 50 GB figure is iCloud Drive's own ceiling on the source side; the NAS's limit comes from its file system instead, which is typically far higher. NTFS supports files up to 16 TB, and ZFS-based systems such as TrueNAS support well beyond that, so the destination is not the constraint."

Q: "Is the folder structure preserved during the transfer?"

"Yes, all four methods keep nested folders intact. Files that iCloud Drive keeps as lightweight, not-yet-downloaded placeholders need to finish downloading before Finder or the Files app can copy them; Rclone and CloudsLinker read the full file directly through the Apple ID API instead."

Q: "Does CloudsLinker work with a home NAS behind a router?"

"Only if the NAS is reachable from the internet. CloudsLinker runs in the cloud and connects over SMB using the NAS's host address and port 445, so a home NAS needs a public IP, port forwarding, or a VPN. For a NAS that stays on the local network only, Finder's native SMB connection or the iOS Files app is more practical."

Q: "How does CloudsLinker connect to iCloud Drive?"

"You enter your Apple ID and password, then confirm a 6-digit verification code sent to a trusted Apple device. 'Access iCloud Data on the Web' must be enabled in your Apple ID security settings first."

Q: "What happens if the NAS volume runs out of space?"

"The transfer stops when the volume is full and remaining files are skipped. Check the NAS's free space against your iCloud Drive usage before starting, and expand the volume or move in batches if the archive is larger than what is currently free."

Q: "Can I move only certain folders instead of my whole iCloud Drive?"

"Yes. Finder and the Files app let you select folders manually, Rclone uses include and exclude rules, and CloudsLinker lets you choose specific folders and filter by file type or date."

Q: "Is the transfer secure?"

"iCloud Drive requires Apple ID sign-in with two-factor verification, which neither Rclone nor CloudsLinker stores. SMB traffic on a local network is not encrypted by default, so if the NAS is exposed to the internet for a cloud-based transfer, use a VPN or SMB encryption rather than opening port 445 to the public."

Move files from iCloud Drive to a NAS over SMB using four methods — Finder, the iOS Files app, Rclone, and CloudsLinker.

Introduction

A NAS turns a recurring iCloud+ bill into a one-time hardware purchase, with local gigabit access and no per-file ceiling beyond what the drive's file system allows. Someone paying $29.99 or $59.99 a month for a 6 TB or 12 TB iCloud+ plan, mostly to hold years of documents and archives that are rarely opened again, is paying every month for storage that a NAS covers once. iCloud Drive also caps individual files at roughly 50 GB, and uploading new files through the iCloud.com website drops that to 10 GB, a ceiling a NAS's underlying file system does not share — NTFS alone supports files up to 16 TB. Moving a static archive off iCloud Drive removes both the monthly cost and that file-size ceiling. The methods below cover the move.

Method 1: Connect to the NAS in Finder
Method 2: Connect to the NAS in the iOS Files App
Method 3: Command-Line Transfer with Rclone
Method 4: Cloud-to-Cloud Transfer with CloudsLinker
Quick Comparison
Practical Tips
Frequently Asked Questions

What is iCloud Drive?

iCloud Drive is Apple's personal cloud storage, priced from 5 GB free up to 12 TB at $59.99/month. Individual files are capped at roughly 50 GB, or 10 GB when uploaded through the iCloud.com website.

Subscription pricing: Capacity tied to a recurring monthly iCloud+ fee.
Optimized storage: Keeps only recently used files fully downloaded locally.
Single-account model: Storage tied to one Apple ID.
Finder and Files integration: Native access on macOS, iOS, and iPadOS.
File-size ceiling: ~50 GB per file, 10 GB via web upload.

What is a NAS (SMB)?

A NAS is a device with its own drives that shares files over your network, commonly through the SMB protocol. Brands include Synology, QNAP, Asustor, and TrueNAS.

One-time hardware cost: No recurring subscription once purchased.
Local network speed: Gigabit access when on the same network.
High file-size ceiling: NTFS supports up to 16 TB per file; ZFS-based systems go higher.
Full ownership: Data stays on hardware you control.
Expandable: Add or replace drives as storage needs grow.

Comparison: iCloud Drive vs NAS

iCloud Drive and a NAS solve storage differently: one is a metered subscription with Apple-managed limits, the other a fixed hardware cost bound mainly by the file system and drives you install.

Feature	iCloud Drive	NAS (SMB)
Cost Model	Recurring monthly subscription, up to $59.99/month for 12 TB	One-time hardware plus drives
Max File Size	~50 GB (10 GB via iCloud.com web upload)	Up to 16 TB (NTFS) or higher on ZFS-based systems
Access Speed	Limited by internet connection	Local gigabit on the LAN
Remote Access	Built in via Apple ID	Requires setup (VPN, port forwarding)
Data Location	Apple's servers	Your premises
Best Fit	Active Apple-ecosystem sync	Long-term archives, self-hosting

Sources: iCloud+ plans and pricing, SMB protocol limits

Why Move From iCloud Drive to a NAS?

The move typically makes sense once an iCloud+ plan is being paid mainly to hold static, rarely accessed data. Common reasons:

Replace a growing subscription with a fixed cost: A NAS trades a monthly fee that scales with data size for hardware you buy once.
No file-size ceiling from Apple: The NAS's own file system, not an Apple-imposed cap, governs how large a single file can be.
Data stays on hardware you own: Archives live on your premises instead of Apple's servers.
Local network speed: Working with large files over gigabit beats waiting on an internet download.
Expandable capacity: Add drives as needed instead of upgrading to the next iCloud+ tier.

Once a NAS fits the use case, the transfer method depends on which Apple devices hold the files and whether the NAS is reachable beyond the local network.

Preparing to Transfer from iCloud Drive to a NAS

Confirm how the NAS is reachable. A device on the local network works with Finder's native SMB connection and the iOS Files app. A cloud-based transfer with CloudsLinker can only reach it if you have set up a public IP, port forwarding, or a VPN, so decide that before choosing a method.

Create a destination shared folder on the NAS and an account with write permission to it. Note the NAS host IP address and confirm SMB is enabled in its network settings.

On the iCloud Drive side, check which files are marked as optimized or not-yet-downloaded, since Finder and the Files app both need the actual file present before copying. Rclone and CloudsLinker read files directly through Apple's API, so this matters less for those two methods.

Method 1: Connect to the NAS in Finder

Step 1: Ensure the iCloud Drive Files Are Downloaded

Open Finder and select iCloud Drive from the sidebar. Files showing a cloud icon are not yet local; right-click and choose Download Now so the actual data is present before copying.

iCloud Drive folder shown in macOS Finder with files fully downloaded and no pending cloud-download icons remaining

Step 2: Connect to the NAS and Copy the Files

In Finder, press Cmd+K, enter smb://NAS-IP-address, and sign in with the NAS account credentials. The shared folder appears in Finder's sidebar under Locations; drag the downloaded iCloud Drive files directly into it.

macOS Finder Connect to Server dialog with an smb address entered, followed by the mounted NAS share appearing under Locations in the Finder sidebar

This is the most direct method when working on a Mac. Both the download from iCloud and the copy to the NAS route through local bandwidth, so a large archive takes time.

Method 2: Connect to the NAS in the iOS Files App

Step 1: Add the NAS as a Server in the Files App

Open the built-in Files app, tap Browse, then the ... menu and choose Connect to Server. Enter smb://NAS-IP-address and sign in with the NAS account.

iOS Files app Connect to Server dialog with an SMB address field, and after connecting, the NAS share listed as a location alongside iCloud Drive

Step 2: Copy Files from iCloud Drive to the NAS

With both iCloud Drive and the NAS listed under Locations, select files in iCloud Drive, tap Copy, navigate to the NAS share, and tap Paste. On iPad, split view lets you drag files between the two directly.

This method suits files that exist only on an iPhone or iPad. It works best for a moderate number of files rather than a full archive, since mobile file management is slower for bulk transfers.

Method 3: Command-Line Transfer with Rclone

Step 1: Configure an iCloud Drive Remote

Rclone supports iCloud Drive directly. Run rclone config, add an iclouddrive remote, and sign in with your Apple ID and an app-specific password.

Rclone configuration wizard showing iCloud Drive remote setup with Apple ID authentication

Step 2: Copy to the NAS

Copy directly to a local NAS mount, or to an SMB remote if Rclone runs on another machine:

rclone copy iclouddrive:/Documents /volume1/archive --progress

rclone copy iclouddrive:/Photos nas-smb:/Photos --progress

The first command copies into a locally mounted NAS volume; the second writes to an SMB remote configured in Rclone. Add --dry-run to preview the result first.

This method handles a large or recurring migration well and does not depend on which Apple device produced the files. Apple's API can rate-limit heavy usage, so large transfers may need to run in smaller batches.

Method 4: Cloud-to-Cloud Transfer with CloudsLinker

Transfer Without a Mac or PC in the Middle

CloudsLinker reads files from iCloud Drive through Apple ID authentication and writes them to the NAS over SMB, so no device needs to stay on during the transfer. This method requires the NAS to be reachable over the internet — a public IP, port forwarding, or a VPN.

Step 1: Connect iCloud Drive

Sign in at app.cloudslinker.com, click Add Cloud, and select iCloud Drive. Enter your Apple ID and password, then the 6-digit verification code from a trusted device.

Connect iCloud Drive to CloudsLinker with Apple ID and 2FA

Step 2: Connect the NAS over SMB

Click Add Cloud again and select NAS / SMB. Enter a display name, the NAS host IP address, a username and password with write access, and port 445.

CloudsLinker Add Cloud dialog for NAS/SMB with host IP, username, password, and port 445 fields

Step 3: Configure the Transfer

Open the Transfer section. Select iCloud Drive as the source and browse to the folders to move. On the destination side, select the NAS and choose the target shared folder.

Filters let you limit the move to certain file types or a date range, and Copy or Move mode controls whether the iCloud Drive originals remain.

CloudsLinker transfer configuration screen with iCloud Drive selected as the source folder tree, the NAS selected as the destination shared folder, and file-type and date filters above a Start Transfer button

Step 4: Start and Monitor the Transfer

Start the task and track it in the Task List, which shows transferred size, speed, and any skipped items. The transfer runs server-side between iCloud Drive and the NAS.

CloudsLinker Task List panel showing a transfer row with progress bar, transferred size, speed, and status

Comparing the Ways to Transfer From iCloud Drive to a NAS

Method	Ease of Use	Speed	Best For	Needs Public NAS	Skill Level
Finder (Mac)	★★★★★	★★★☆☆	Mac-based moves	No	Beginner
iOS Files App	★★★★☆	★★★☆☆	Files only on iPhone/iPad	No	Beginner
Rclone	★★☆☆☆	★★★★☆	Large or recurring migrations	No	Advanced
CloudsLinker	★★★★★	★★★★★	Internet-reachable NAS, hands-off	Yes	Beginner

Finder is the simplest path on a Mac, and the Files app covers phone-only files. Rclone suits technical users moving a large archive. If the NAS is already reachable over the internet, CloudsLinker moves everything server-side without a Mac or PC involved.

Practical Tips for Moving iCloud Drive to a NAS

Force downloads before Finder or Files app copies: Optimized storage keeps files as placeholders until you request the full download.
Avoid opening port 445 to the public: Use a VPN or the NAS vendor's secure remote access instead of exposing raw SMB to the internet.
Downgrade the iCloud+ plan only after verifying the copy: Confirm files open correctly from the NAS before reducing your Apple storage tier.
Watch for Apple API rate limits: Large Rclone or CloudsLinker transfers may need to run in batches if Apple throttles requests.
Check volume space and RAID health: Confirm free capacity and drive health before a large transfer.
Keep a second copy until verified: Do not cancel the iCloud+ subscription until the files are confirmed intact on the NAS.

Frequently Asked Questions

Files land inside a shared folder on the NAS volume as a plain folder hierarchy, matching iCloud Drive's original folders and subfolders. There is no album or container concept to translate, since both sides use ordinary folders.

No. The 50 GB figure is iCloud Drive's own ceiling on the source side; the NAS's limit comes from its file system instead, which is typically far higher. NTFS supports files up to 16 TB, and ZFS-based systems such as TrueNAS support well beyond that, so the destination is not the constraint.

Yes, all four methods keep nested folders intact. Files that iCloud Drive keeps as lightweight, not-yet-downloaded placeholders need to finish downloading before Finder or the Files app can copy them; Rclone and CloudsLinker read the full file directly through the Apple ID API instead.

Only if the NAS is reachable from the internet. CloudsLinker runs in the cloud and connects over SMB using the NAS's host address and port 445, so a home NAS needs a public IP, port forwarding, or a VPN. For a NAS that stays on the local network only, Finder's native SMB connection or the iOS Files app is more practical.

You enter your Apple ID and password, then confirm a 6-digit verification code sent to a trusted Apple device. 'Access iCloud Data on the Web' must be enabled in your Apple ID security settings first.

The transfer stops when the volume is full and remaining files are skipped. Check the NAS's free space against your iCloud Drive usage before starting, and expand the volume or move in batches if the archive is larger than what is currently free.

Yes. Finder and the Files app let you select folders manually, Rclone uses include and exclude rules, and CloudsLinker lets you choose specific folders and filter by file type or date.

iCloud Drive requires Apple ID sign-in with two-factor verification, which neither Rclone nor CloudsLinker stores. SMB traffic on a local network is not encrypted by default, so if the NAS is exposed to the internet for a cloud-based transfer, use a VPN or SMB encryption rather than opening port 445 to the public.

Conclusion

The right method depends on which Apple device holds the files and how many there are. Finder's native SMB support handles a Mac-based move directly. The iOS Files app covers files that live only on an iPhone or iPad. Rclone suits a large or scripted migration. CloudsLinker moves an entire iCloud Drive library straight to the NAS without a Mac or PC in the middle — provided the NAS is reachable from the internet, since a home NAS behind a router needs a public IP, port forwarding, or a VPN first. Choose based on your device and network setup.

Start Your Free Trial at CloudsLinker