IronKey S1000, S250, D250 Hardware Comparison

Features S1000 S250 D250
Capacity 4GB, 8GB, 16GB, 32GB, 64GB, 128GB 2GB, 4GB, 8GB, 16GB, 32GB 2GB, 4GB, 8GB, 16GB, 32GB, 64GB
Speed Up to 400MB/s read
Up to 300MB/s write
Up to 24MB/s read
Up to 300MB/s write
Up to 29MB/s read
Up to 13MB/s write
Dimensions 82.3mm X 21.1mm X 9.1mm 75mm X 19mm X 9mm
Weight 1.12 oz (32 grams) .9 oz (25 grams)
Waterproof MIL-STD-810F
Operating Temperature 0°C, +70°C
Storage Temperature -40°C, +85° C
Durability Ruggedized
OS Encryption Compatibility Windows 8.1 / 8 / 7 Windows Vista Windows XP
SP2+ Macintosh OS X 10.5+ Linux 2.6+
HW Encryption Data: AES XTS 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
HW Interface USB 3.0 SuperSpeed Section 508 Compliant USB 2.0 High Speed
Section 508 Compliant