Specifications

Ironkey	S200	D200
Features	Maximum Security and High Performance Ultra fast data transfer Highly reliable memory meets daily use and long-term storage needs Ideal for virtual desktops & portable applications	Maximum Security and Cost-Effective Memory Ideal for users with high-volume storage needs Fast flash memory with high-performance architecture Excellent for most business uses
Capacity	1GB, 2GB, 4GB, 8GB, 16GB	1GB, 2GB, 4GB, 8GB, 16GB, 32GB*
Speed	Up to 27MB/s read Up to 24MB/s write	Up to 25MB/s read Up to 17MB/s write
Memory	Dual-channel SLC Flash	Dual-channel MLC Flash
Dimensions	75mm X 19mm X 9mm	75mm X 19mm X 9mm
Weight	.9 oz (25 grams)	.9 oz (25 grams)
Waterproof	MIL-STD-810F	MIL-STD-810F
Operating Temperatures	0° C, +70° C	0° C, +70° C
Operating Shock	16G RMS	16G RMS
Operating System Encryption Compatibility	Windows 7 Windows Vista Windows XP SP2+ Windows 2000 SP4 Macintosh OS X 10.4+ (excluding OS X Mountain Lion, or 10.8+. A fix is being developed.) Linux 2.6+	Windows 7 Windows Vista Windows XP SP2+ Windows 2000 SP4 Macintosh OS X 10.4+ (excluding OS X Mountain Lion, or 10.8+. A fix is being developed.) Linux 2.6+
Hardware Encryption	Data: AES Cipher-Block Chaining mode Encryption Keys: 256-bit Hardware DRNG PKI: 2048-bit RSA Hashing: 256-bit SHA FIPS Validations: 140-2 Level 3	Data: AES Cipher-Block Chaining mode Encryption Keys: 256-bit Hardware DRNG PKI: 2048-bit RSA Hashing: 256-bit SHA FIPS Validations: 140-2 Level 3
Hardware Interface	USB 2.0 high speed	USB 2.0 high speed

* IronKey Personal and Basic D200 drives are only available in 4, 8, 16 and 32GB capacities.