fanxiang S690Q 1TB vs Western Digital WD Green SN3000 1TB
On the measures that settle this, Western Digital WD Green SN3000 1TB never comes out behind, and on at least one it comes out ahead.
| Specification | FanxiangS690Q 1TB | Western DigitalWD Green SN3000 1TB |
|---|---|---|
| Capacity (GB) | 1000 | 1000 |
| Sequential read (MB/s) | 4800 | 5000better |
| Sequential write (MB/s) | 2900 | 4200better |
| Current best price | $239.99at Amazon.ca · captured 2026-09-13 | $239.95betterat Amazon.ca · captured 2026-09-13 |
| Price per TB | $239.99 | $239.95better |
| NAND type | qlc | qlc |
How these two compare
Sequential throughput
fanxiang S690Q 1TB is rated 4800 MB/s read and 2900 MB/s write; Western Digital WD Green SN3000 1TB, 5000 MB/s read and 4200 MB/s write. These are peak sequential rates over PCIe — the speed you would see copying one large file. For boot, app launches and everyday feel, random access matters more than this headline figure.
Price
fanxiang S690Q 1TB lists at $239.99, or $239.99 per TB; Western Digital WD Green SN3000 1TB at $239.95, or $239.95 per TB.
NAND and warranty
NAND: fanxiang S690Q 1TB uses QLC and Western Digital WD Green SN3000 1TB uses QLC. The tier is bits per cell — SLC, MLC, TLC and QLC from one to four — trading density against endurance and sustained-write speed: QLC is cheapest per gigabyte, TLC the mainstream balance, and the denser the cell the sooner sustained writes taper. On the cover: fanxiang S690Q 1TB does not state one, Western Digital WD Green SN3000 1TB carries a 3-year warranty. The length is the maker's own vote of confidence, and on an SSD it tends to track the endurance rating — a longer warranty usually meaning more rated writes.
Which to buy
Western Digital WD Green SN3000 1TB. It gives up nothing to the other on the measures the site tracks and leads on at least one, so there is no trade to weigh — the sections above show where the margin is.
Common questions about this pair
- Which is faster, fanxiang S690Q 1TB or Western Digital WD Green SN3000 1TB?
- fanxiang S690Q 1TB is rated 4800 MB/s read and 2900 MB/s write; Western Digital WD Green SN3000 1TB, 5000 MB/s read and 4200 MB/s write. These are peak sequential rates over PCIe — the speed you would see copying one large file. For boot, app launches and everyday feel, random access matters more than this headline figure.
- Which costs less per terabyte, fanxiang S690Q 1TB or Western Digital WD Green SN3000 1TB?
- fanxiang S690Q 1TB lists at $239.99, or $239.99 per TB; Western Digital WD Green SN3000 1TB at $239.95, or $239.95 per TB.
- Should you buy fanxiang S690Q 1TB or Western Digital WD Green SN3000 1TB?
- Western Digital WD Green SN3000 1TB. It gives up nothing to the other on the measures the site tracks and leads on at least one, so there is no trade to weigh — the sections above show where the margin is.