COBALT 128GB UHS-II SD Cardvs A1

GearFrame · Updated March 2026

ProGrade Digital COBALT 128GB UHS-II SD Card ProGrade Digital COBALT 128GB UHS-II SD Card Starting from £50 new Best for Professional sports & high-speed burst photography View COBALT 128GB UHS-II SD Card
VS
Sony A1 Sony A1 (2021) Starting from £5999 new Best for Professional sport, wildlife, portrait & hybrid shooting View A1

GearScore™ Verdict — Which should you buy?

Professional Sports & High-Speed Burst Photography — COBALT 128GB UHS-II SD Card: If your camera has a UHS-II slot, the COBALT is one of the best cards to put in it. ProGrade is a brand started by former SanDisk and Lexar engineers — the quality and consistency match the pedigree. Faster file transfers and better burst clearance justify the price premium for professionals.

Professional Sport, Wildlife, Portrait & Hybrid Shooting — A1 (2021): 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.

↓ Full specifications below

COBALT 128GB UHS-II SD Card

  • Professional photographers with UHS-II capable camera bodies
  • Sports and action photographers who shoot at 20fps+ and need fast buffer clearing
  • Videographers recording 6K/8K or high-bitrate 4K footage
  • Working photographers who can't afford to miss a shot due to buffer lag

A1 (2021)

  • Professional photographers who need resolution and speed without compromise
  • Sports and wildlife photographers demanding the absolute fastest Sony
  • Studio and fashion photographers who also shoot sport or events
  • A9 III or A7R V owners who want a single body that does everything

Quick take: The cobalt 128gb uhs-ii sd card is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification COBALT 128GB UHS-II SD CardA1 (2021)
Price £50 £5,999
Sensor 50.1MP Full-Frame Stacked BSI CMOS Exmor RS
Resolution 50.1MP
Video 8K/30p, 4K/120p, 1080p/240p
Autofocus Real-time Tracking, AI subject recognition — 759 phase-detect points
Stabilisation IBIS — up to 5.5 stops
Burst Rate 30fps electronic with full AF/AE
Battery Life ~430 shots (CIPA)
Weight 2g 737g (with battery)
Dimensions Standard SD card size (32 × 24 × 2.1mm) 128.9 × 96.9 × 80.8mm
Weather Sealed Yes Yes
Viewfinder EVF, 9.44M dots, 0.90× magnification, 240fps
Screen 3.0" fully tilting touchscreen
Mount Sony FE mount (full-frame E-mount)
Memory Cards Dual CFexpress Type A / SD UHS-II
Connectivity UHS-II (V60, U3) — read up to 250MB/s, write up to 130MB/s USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMI
Genre COBALT 128GB UHS-II SD CardA1
Wildlife
9.0
9.0
Video
9.0
Portrait
7.0
9.0
Travel
7.0
Sports
9.0
Vlogging & Video
9.0
Landscape
9.0
Wedding
9.0
⚡ Compare specs side by side COBALT 128GB UHS-II SD Card prices → A1 prices →

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