Two SATA 2 shielding and durable connectors (eSATA) 48 bits LBA, can break capacity limit to support HDD larger than 137GB Supports one lane 2.5Gbps ExpressCard/34 Compliant with PCI Express specification, revision 1.0a Hot-swap and Plug-and-play capability Supports SATA II transfer rate of 3.0Gbps Fully compliant with Serial ATA 1.0 specifications Supports two independent Serial ATA channels Independent link, transport, and data FIFO Independent command fetch, scatter/gather, and command execution Supports Legacy Command Queuing (LCQ) Supports Native Command Queuing (NCQ) Supports non-zero offsets NCQ Supports out of order data delivery NCQ Supports FIS-based switching with port multipliers 31 commands and scatter/gather tables per port Two LEDs indicate HDD access Complete with drivers for Windows NT, Windows 2000, Windows XP, and Windows Server 2003 Supports 64/32bits Windows Vista Fully RoHS compliant Supports Mac OS X v10.4 Interface to laptop: Express Card, 34 pins Dimensions: 34 x 113 x 21mm (1.34 x 44.5 x 0.68in) Chipset: silicon image Sil 3132 Weight: 37g System environment: Operating voltage: +3.3V (±5%) Operating temperature: 20 to 45°C Operating humidity: 20 to 80% RH Indicator: power on, access, and LAN link