Lexar Professional GOLD CFexpress™ 4.0 Type A Card 1TB -- Cfexpress 4.0 Type A Professional Gold Series, up to 1800MB/s read, 1650MB/s write Specifications Capacity 640GB, 1TB Performance 640GB 1800MB/s max read, 1650MB/s max write, 1400MB/s sustained write1 1TB 1800MB/s max read, 1650MB/s max write, 1400MB/s sustained write1 Form Factor CFexpress™ 4.0 Type A Interface PCIe 4.0 Operating Temperature - 12° to 72°C (-10.4°F to 161.6°F) Storage Temperature - 25° to 85°C (- 13°F to 185°F) Dimensions (W x L x H) 20 x 28 x 2.8mm / 0.07'x 0.09'x 0.009' Weight 2.5g / 0.005lbs Warranty Limited lifetime warranty2 1 Up to 1800MB/s read transfer, write speeds lower. Speeds based on internal testing. Actual speed may vary depending on host device. 2 Limited lifetime warranty is limited to 10 years from purchase in Germany and regions not recognizing lifetime warranty. 3 Temperature-Proof: Operation -12°to 72°C, Storage -25°C to 85°C Vibration Resistant: 10~2000Hz Wear-out resistance: up to 12,000 times of plugging and unplugging IP68 Dust- and water-proof 5-meter drop-proof Shock Resistant: 1500G shock 150N compression resistance 4 Based on standard performance of CFexpress 2.0 Type A cards.