UC Drive
uc.cn · Netdisk and pan · 1 record · JSON
UC Drive (UC网盘) Netdisk and pan
fails: quotacountry-phoneno cardphoneRper-object-cap
| Free tier | 1 TB permanent handed out as claimable promo codes that are repeatable and stackable: '加上之前的活动，有 2t 了' and '都是永久'. A separate 1 TB plus 10 GB baseline per a 2026 comparison post unit TiB; metered on stored-bytes |
|---|---|
| Price | none stated |
| Per-object cap | 1 GB per file on a free account: 'UC网盘2t,但单文件就1G，相当难用' (1000000000 bytes) |
| Retention | Promo capacity is permanent once claimed. No retention clock on stored files is published |
| Egress | Free downloads are throttled hard, with reports of 300 to 400 KB/s for video: 'UC网盘之前宣称不限速，现在下载视频三四百k'. The paid tier advertises 上传下载不限速 as an SVIP benefit |
| Identity | country-phone an Alibaba account, which is +86-bound in practice, and the SVIP tier needs a Chinese identity document |
| Limits | |
| Binding | per-object-cap 2 TB of claimable promo capacity is real and permanent, and 1 GB per file turns a 20 TiB archive into 20,000 objects. The per-file cap is what closes it, not the quota or the identity. |
| Interface | rest |
| Tooling | no public API. The Alibaba-internal web API is what the OpenList UC driver uses, cookie-based and the same backend family as Quark. No official S3 or WebDAV |
| Composes with | Codes are batch-minted, a hundred a month per one poster, and shared in threads, so one account can stack several to 2 TB. Each account is a +86 identity, and the 1 GB per-file ceiling makes the capacity useless as a dataset store |
| Reliability | Promo capacity is permanent once claimed, but the 1 GB per-file ceiling makes it a media-hoarding pan and not a dataset store. Download tickets are IP-bound on the shared Quark backend, so a harvested cookie dies on the first replay |
| Notes | Both UC spellings are folded in here: the A-A5 record covers the SVIP tier and the F-F8 record covers the promo-code tier. The two together are the finding: the capacity is real, permanent and pointless because of a 1 GB ceiling. |
| Evidence rung | reported |
| Checked | 2026-10-21 (inherited); stale on 2026-11-04 |
| Parsed numbers |
|
Evidence (5)
| date | source | what it proved |
|---|---|---|
| 2026-10-21 | linux.do/t/topic/269012 | 'UC网盘1TB永久容量领取...公益~还剩20个', and a reply '加上之前的活动，有 2t 了...都是永久' |
| 2026-10-21 | linux.do/t/topic/1426604 | 'UC网盘2t,但单文件就1G，相当难用' |
| 2026-10-21 | linux.do/t/topic/623279 | 'uc网盘之前宣称不限速，现在下载视频三四百k' |
| 2026-10-21 | drive.uc.cn/ | '开通UC网盘SVIP畅享6TB存储空间', '上传下载不限速...开通UC网盘SVIP畅享专属极速通道' |
| 2026-10-21 | github.com/qaiu/netdisk-fast-download | the auth table states 'UC网盘(UC) 必须', meaning a cookie is mandatory |
More fields (4)
{
"access_mode": "registration-gated",
"aliases": [
"UC Drive / UC网盘",
"UC网盘 (UC Browser drive, Alibaba)",
"UC Browser drive"
],
"per_file_cap_bytes_derived": 1000000000,
"shared_backend_with_quark": true
}