Upload Speed Report: ISPs Ranked for Work from Home 2026
By SpeedTestHQ Research · Updated April 27, 2026
Download speed gets all the attention — but upload speed is what determines video call quality, live streaming performance, and cloud backup reliability. This report ranks US ISPs by upload speed and flags who is best for remote work. Updated 2026-04-27.
ISP upload speed rankings
| ISP | Technology | Avg Download | Avg Upload | Symmetric | WFH Verdict |
|---|---|---|---|---|---|
| Google Fiber | Fiber (FTTH) | 960 Mbps | 940 Mbps | Yes | Best for WFH |
| Verizon Fios | Fiber (FTTH) | 940 Mbps | 920 Mbps | Yes | Excellent upload |
| AT&T Fiber | Fiber (FTTH) | 935 Mbps | 910 Mbps | Yes | Widely available |
| Frontier Fiber | Fiber (FTTH) | 925 Mbps | 900 Mbps | Yes | Best value fiber |
| CenturyLink Quantum | Fiber | 910 Mbps | 890 Mbps | Yes | Flat-rate fiber |
| Optimum Fiber | Fiber | 920 Mbps | 890 Mbps | Yes | Best in NY/NJ/CT |
| Cox | Cable | 780 Mbps | 42 Mbps | No | Adequate for basic WFH |
| Xfinity | Cable | 760 Mbps | 28 Mbps | No | Upload bottleneck on calls |
| Spectrum | Cable | 740 Mbps | 28 Mbps | No | Upload bottleneck on calls |
| T-Mobile Home | 5G Fixed | 185 Mbps | 22 Mbps | No | Usable for light WFH |
| Verizon 5G Home | 5G Fixed | 150 Mbps | 18 Mbps | No | Light WFH only |
| Starlink | Satellite (LEO) | 105 Mbps | 12 Mbps | No | Not ideal for video calls |
| HughesNet | Satellite (GEO) | 35 Mbps | 3 Mbps | No | Unusable for video calls |
Key findings
- Fiber is the only symmetric option: All FTTH providers (Google Fiber, Verizon Fios, AT&T Fiber, Frontier, CenturyLink Quantum, Optimum Fiber) deliver upload speeds within 3–5% of download speeds — 890–940 Mbps upload on gigabit plans. Cable ISPs cap upload at 28–42 Mbps regardless of the download plan tier.
- Cable upload is a structural bottleneck: DOCSIS 3.1 cable architecture allocates most spectrum to downstream. Xfinity and Spectrum offer 28 Mbps upload even on their 1.2 Gbps download plans. This is not a plan limitation — it reflects the physical cable plant design. DOCSIS 4.0 will improve this but is only beginning to deploy.
- Zoom and Teams require 4–5 Mbps upload per call: A household with two people on simultaneous 1080p video calls needs 8–10 Mbps sustained upload. With background cloud sync and other devices, 20 Mbps upload becomes the realistic minimum for a remote-work household on cable.
- Starlink upload (12 Mbps) is marginal for video calls: Starlink's upload speed supports basic video calls but leaves little headroom for simultaneous cloud sync, live streaming, or multiple callers. Its latency (40–50 ms) also affects call quality compared to fiber's 5–10 ms.
Why upload speed matters more than ever
The shift to remote and hybrid work post-2020 fundamentally changed upload requirements for households. In 2019, the average household uploaded less than 5% of the traffic it downloaded. By 2026, work-from-home and cloud computing have pushed that ratio to 15–25% in heavy-use households. Video call quality, cloud backup completion time, file sharing speed, and live streaming all depend entirely on upload performance.
How to test your upload speed
Run a speed test while connected via Ethernet (not Wi-Fi) with background apps paused. Upload results under 20 Mbps on a cable plan indicate you may want to check if fiber is available at your address. If upload speed is critical for your work, fiber is the only technology that guarantees symmetric performance.
Methodology
Upload speeds represent median wired Ethernet test results from SpeedTestHQ users on gigabit-tier or highest available plans, over a 90-day rolling window. Wi-Fi and mobile tests excluded. ISPs without at least 5,000 qualifying wired tests are omitted.
Frequently Asked Questions
Which ISPs offer symmetric upload speeds?
All fiber-to-the-home providers in our rankings offer symmetric or near-symmetric upload: Google Fiber (940 Mbps up on a gigabit plan), Verizon Fios (920 Mbps), AT&T Fiber (910 Mbps), Frontier Fiber (900 Mbps), CenturyLink Quantum (890 Mbps), and Optimum Fiber (890 Mbps). No cable ISP offers symmetric upload — Xfinity and Spectrum cap at 28 Mbps upload regardless of download plan tier.
Why is cable upload so slow compared to download?
Cable (DOCSIS 3.1) architecture allocates the vast majority of its frequency spectrum to downstream traffic, leaving a narrow upstream channel shared across the neighborhood. This is a physical plant design limitation — not a plan-tier restriction. Xfinity's 28 Mbps upload cap applies even to its 1.2 Gbps download plan. DOCSIS 4.0, which is beginning to roll out in 2026, will significantly improve cable upload capacity.
Is 28 Mbps upload enough for working from home?
It depends on your household. A single person on one 1080p video call needs about 4–5 Mbps upload, so 28 Mbps provides adequate headroom for one user. But a household with two remote workers on simultaneous calls plus background cloud sync (OneDrive, Dropbox) can easily saturate 28 Mbps. Starlink's 12 Mbps upload is marginal even for a single video caller with other devices active.
Does upload speed affect video call quality?
Yes — upload speed directly determines the quality of video you send to other participants. Zoom requires 1.8 Mbps upload for 720p and 3 Mbps for 1080p per call. Microsoft Teams 1080p calls need approximately 4 Mbps upload. If your upload is constrained (under 10 Mbps on a cable plan with background traffic), other participants will see pixelated or frozen video from you even if your own download speeds are fine.