For people, yes. For the machines, no. Wi-Fi 7 is comfortably fast enough for staff on laptops to chat with a private AI assistant, open documents on the NAS and upload files to it. Those tasks need little bandwidth. It is not a sensible link between the NAS and the AI workstation, or for moving datasets and model files of tens or hundreds of gigabytes. Real-world Wi-Fi 7 throughput is a fraction of the headline figure, it falls with distance and walls, it is shared among everyone on the access point, and it varies from minute to minute. The working rule is simple: anything that stays in one place and moves large files gets a cable; Wi-Fi 7 is for the devices that move around.
How fast is Wi-Fi 7 in practice?
| Link | Headline rate | Realistic file transfer speed |
|---|---|---|
| Wi-Fi 6, typical laptop | Up to 2.4 Gbps | Roughly 50 to 100 MB/s near the access point |
| Wi-Fi 7, typical laptop, good conditions | Up to 5.8 Gbps | Roughly 100 to 250 MB/s near the access point |
| Wi-Fi 7, through a wall or across the office | - | Often well under 100 MB/s |
| 2.5GbE cable | 2.5 Gbps | About 280 MB/s, steady |
| 10GbE cable | 10 Gbps | Up to about 1,100 MB/s, usually limited by the drives |
The wireless figures are indicative ranges, not measurements of any product. They depend on the laptop's radio, the access point, channel width, distance, interference and how many other devices are active. The headline rates are theoretical maximums for the radio link under ideal conditions with the widest channels in the 6 GHz band, and no file transfer reaches them. Check that 6 GHz operation is supported by both your devices and local regulations.
What does that mean for moving AI files?
CALC. Copying a 60GB model file:
- Wi-Fi 7 at a steady 150 MB/s: 60,000 / 150 = 400 seconds, about 7 minutes.
- Wi-Fi 7 across the office at 60 MB/s: 60,000 / 60 = 1,000 seconds, about 17 minutes.
- 2.5GbE cable at 280 MB/s: 214 seconds.
- 10GbE cable at 600 MB/s: 100 seconds.
And a 2TB dataset at 150 MB/s takes 2,000,000 / 150 = 13,333 seconds, about 3.7 hours, during which that laptop is consuming most of the access point's capacity and everyone else's video calls suffer. Over 10GbE at 600 MB/s the same copy takes about 56 minutes and disturbs nobody.
Why is wireless the wrong link for the machines?
- It is shared. Every device on an access point takes turns. One large transfer slows the rest.
- It varies. Speed changes as people move, doors close and neighbours' networks get busy.
- It drops with distance. The fastest modes work only close to the access point, with a clear path.
- It can stall. A brief interruption is harmless to a web page and can break a long file copy, a mounted network share or a backup job.
- Stationary devices gain nothing from it. A NAS and a workstation do not move.
What is Wi-Fi 7 good for in an AI office?
| Task | Over Wi-Fi 7? | Why |
|---|---|---|
| Chatting with a private AI assistant | Yes | Text needs almost no bandwidth |
| Opening and saving office documents on the NAS | Yes | Small files |
| Uploading a batch of documents for the assistant to index | Yes | Occasional, modest size |
| Laptop backup to the NAS | Yes, after the first full backup | Daily changes are small; do the first one by cable |
| Editing video stored on the NAS | Marginal | Works near the access point; a cable is more dependable |
| Copying models or datasets to a workstation | No | Too large; use a cable |
| NAS to AI system link | No | Must be wired |
| NAS backup or replication | No | Must be wired |
| Cameras recording to the NAS | Prefer wired | Continuous streams deserve a cable and PoE |
Wi-Fi 7 changes what a laptop can do from the sofa. It does not change the advice for anything with a power cord and a fixed place on the desk: plug it in.
What does Wi-Fi 7 itself need behind it?
A Wi-Fi 7 access point can only pass on what its own cable delivers. Plugged into a gigabit switch port, the whole access point shares one gigabit. To get the benefit:
- Multi-gigabit uplinks. 2.5GbE or 10GbE switch ports for the access points.
- PoE with enough power. Wi-Fi 7 access points often need higher-power PoE than older models. See PoE power budgets.
- Suitable cabling to each access point.
- A fast path from the switch to the NAS, or the NAS becomes the limit.
- Wi-Fi 7 devices. Older laptops connect at their own, lower speeds.
So a Wi-Fi 7 upgrade and a wired upgrade are usually the same project. See 10GbE vs 2.5GbE, and on whether the wireless upgrade is worth it at all, is Wi-Fi 7 worth the upgrade and Wi-Fi 7 vs Wi-Fi 6E for Singapore offices.
What about a workstation with no network point nearby?
Run a cable. For a machine that will handle large files for years, one cable run costs less than the time lost to wireless transfers, and it removes a source of unexplained failures. If cabling is truly impossible, a Wi-Fi 7 link close to the access point will work for occasional transfers, with the limits above; keep working data on the workstation's own drive and treat the NAS as a destination for scheduled copies, not a live working area.
Buying in Singapore
Wired backbone: the HPE Networking Instant On 1960 12-port 10GBASE-T (S$2,444.40). NAS: the Synology DS1825+ (S$2,148), with the Synology E10G18-T1 10GbE card (S$202.80) on models with a compatible slot (listed 12 Nov 2026; prices change; ask for a current quotation). TP-Link Omada Wi-Fi 7 access points, including the BE11000 with 2.5G PoE+ uplink and the BE11000 with 10G PoE+ uplink, are price on request. To start, use Request for Quotation on the product page, call (65) 6978 3502, email Sales@sourceit.com.sg or use our contact page.
Frequently asked questions
Is Wi-Fi 7 fast enough for a NAS? For laptops opening documents, uploading files and using an AI assistant, yes. For moving very large files or linking a NAS to an AI workstation, a wired connection is much faster and more dependable.
Is Wi-Fi 7 faster than Ethernet? Its headline rate exceeds gigabit Ethernet, but real transfer speeds are usually below 2.5GbE and far below 10GbE, and they vary with distance and other users.
Should a NAS be connected by Wi-Fi? No. A NAS should always be wired. It does not move, and wireless would limit and destabilise every device that depends on it.
Does a Wi-Fi 7 access point need a faster switch? Yes, to deliver its benefit. It needs a 2.5GbE or 10GbE uplink and usually higher-power PoE. On a gigabit port, the access point is limited to one gigabit in total.
