Verdict
Head-to-head · Best 1TB SD Cards

Lexar Professional SILVER PRO 1TB SDXC UHS-II V60 vs ProGrade Digital SDXC UHS-II V90 Iridium 1TB

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

ProGrade Digital SDXC UHS-II V90 Iridium 1TB comes out ahead by a clear margin (4.3 vs 4.7). The gap is mostly about Professional photographers and videographers shooting high-bitrate 4K, 6K or 8K who need a guaranteed V90 sustained write. — read the strengths below before deciding.

Lexar Professional SILVER PRO 1TB SDXC UHS-II V60
Ranked #4 in Best 1TB SD Cards
Lexar Professional SILVER PRO 1TB SDXC UHS-II V60
$499.99as of Jun 7

The Lexar Professional SILVER PRO 1TB is the value pick of the UHS-II group, offering genuine UHS-II speed at an affordable price. It is rated up to 280MB/s read with a V60 class for 4K/60p video, and reviewers came away impressed by its performance for the money. The compromises are a slower rated write than pricier cards and a standard, non-rugged build.

Strengths
  • Excellent value, delivering UHS-II speed at a noticeably lower price than flagship cards
  • Rated up to 280MB/s read for fast offloading of large files
  • V60 class supports 4K/60p video recording
Watch-outs
  • Rated 160MB/s write trails the faster V60 and V90 cards here
  • V60 rather than V90 limits the highest-bitrate headroom
  • Standard plastic build lacks the ARMOR GOLD's extreme ruggedness
ProGrade Digital SDXC UHS-II V90 Iridium 1TB
Higher ratedRanked #1 in Best 1TB SD Cards
ProGrade Digital SDXC UHS-II V90 Iridium 1TB
$529.99as of Jun 7

The ProGrade Digital SDXC UHS-II V90 Iridium 1TB is the top all-round 1TB SD card for serious video shooters. Its true V90 rating guarantees the sustained write speeds needed for high-bitrate 4K, 6K and 8K, and it pairs rated 300/275MB/s speeds with pro-grade reliability and error correction. The trade-offs are a premium price and a measured write speed slightly below the headline number.

Strengths
  • True V90 rating guarantees a 90MB/s minimum sustained write for 4K, 6K and 8K video
  • Among the fastest 1TB SDXC cards, with rated 300MB/s read and 275MB/s write
  • Built-in error correction adds reliability that most flagship rivals omit
Watch-outs
  • Measured write speed lands below the rated maximum, behind the very fastest Sony G cards
  • Premium price for the top-tier V90 performance
  • Needs a UHS-II reader and a UHS-II camera slot to reach full speed

How they stack up

Lexar Professional SILVER PRO 1TB SDXC UHS-II V60

The value V60 UHS-II option, undercutting the Lexar Armor Gold and SanDisk Extreme PRO UHS-II on price while sharing the V60 class. It is faster than the UHS-I SanDisk Extreme PRO but does not match the V90 sustained write of the ProGrade Digital Iridium or the ruggedness of the Lexar Armor Gold.

ProGrade Digital SDXC UHS-II V90 Iridium 1TB

The only true V90 card in this group, guaranteeing higher sustained writes than the V60-rated Lexar Armor Gold, Lexar Professional Silver Pro and SanDisk Extreme PRO UHS-II V60. Far faster than the UHS-I SanDisk Extreme PRO, which tops out around 140MB/s write.

Specs side-by-side

SpecLexar Professional SILVER PRO 1TB SDXC UHS-II V60ProGrade Digital SDXC UHS-II V90 Iridium 1TB
Capacity1TB1TB
BusUHS-IIUHS-II
Video speed classV60V90
Read speedUp to 280MB/sUp to 300MB/s
Write speedUp to 160MB/sUp to 275MB/s
Use case4K/60p video, fast photo offload
BrandLexar Professional
Form factorSDXC
Min sustained write90MB/s (V90)
DurabilityShockproof, X-ray-proof, -13 to 185F
ExtrasBuilt-in error correction, write-protect switch
← See the full ranking of best 1tb sd cards