The Lexar Professional 1667x is the working photographer’s SD card: UHS-II with up to 250MB/s reads for fast offloads, and a V60 rating that guarantees a sustained 60MB/s minimum write — the certification that matters for 4K video and long burst sequences. This is the 128GB capacity.
Sustained
V60 — a guarantee, not a peak
Marketing speeds are peaks; V60 is a floor. The card never drops below 60MB/s sustained write, which is what keeps 4K recording and deep RAW bursts from stuttering mid-take.
Fast offload
UHS-II, up to 250MB/s read
The second row of pins doubles the interface. With a UHS-II reader, a full shoot transfers in a fraction of the time — the difference between editing tonight and editing tomorrow.
Compatible
Works in UHS-I gear too
UHS-II cards are backwards compatible: in a UHS-I camera or reader it simply runs at UHS-I speeds. Buy for the camera you’re upgrading to, not just the one you have.
Right choice if you…
✔ Shoot 4K video or RAW bursts — V60 sustained write is the spec that counts
✔ Have (or plan) a UHS-II camera or card reader
✔ Offload big shoots on deadline
✔ Want a professional-line card from a flash veteran
Consider something else if…
✖ Your camera caps at UHS-I and you’ll never upgrade — a cheaper UHS-I card performs the same there
✖ You need microSD for a drone or action cam — see the Lexar 1066x microSD
✖ Casual photos only — V60 is overkill for snapshots
Lexar Professional 1667x 128GB — Technical Specifications
| Brand | Lexar |
| Capacity | 128GB |
| Type | SDXC UHS-II |
| Read speed | Up to 250MB/s |
| Video class | V60 — 60MB/s sustained write guaranteed |
| Speed class | C10 · U3 |
| Use case | 4K video, RAW burst photography |
| MPN | LSD128CB1667 |
| EAN / GTIN | Printed on retail packaging |
| Warranty | Manufacturer warranty |
In the Box
Frequently Asked Questions
Will it work in my UHS-I camera?
Yes — it runs at UHS-I speeds there. You get the full 250MB/s only with UHS-II slots and readers.
What does V60 actually guarantee?
A minimum sustained write of 60MB/s — enough for most 4K recording formats. Peak speeds vary; the V-rating is the promise that matters for video.
Is 128GB the right size for video?
As a rule of thumb, 4K at typical bitrates consumes roughly 30-45GB per hour — size your card to your shoot length and how often you offload.
1667x SD or 1066x microSD?
Full-size SD for cameras; microSD for drones, action cams and phones. The 1667x is the faster UHS-II professional line of the two.
Condition
Brand New — Retail Packaging
Warranty
Manufacturer warranty
Delivery
4–5 Working Days · Fully Tracked
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