Dual eSATA External Port SATA 1.5Gbps SATA I Card for MAC OS X The New Initio 1623int SATA Host Card has 2 external ports and supports 2 SATA hard drives at 150MB/sec per channel. This card is both PC and Mac compatible. Will work in any PCI Mac G3/G4/G5 with OSX 10.2.x and up. As with all SATA buses this card supports any sata hard drive drive capacity. No Boot Capability for MAC. Hot-Swap PCI Host Adapters provide high speed solutions for SATA hard drives. More About INITIO Chip INIC-1623: The INIC-1623 provides advanced Host Adapter features in a single 128 pin TQFP package with 2 Serial ATA ports, 32bit/66 MHz and PCI 2.3 compliant. The Flash interface provides Read/Write access to the attached BIOS. The Serial EEPROM interface provides Read/Write access to the attached Serial EEPROM for PCI configuration information. INIC-1623 SATA Host Features • PCI 32 bit/66 MHz Interface. • PCI 2.3 compliant interface. • Burst transfer rate of 264 Mb/s. • Built in hardware bus master engine. • Supports both 3.3v and 5v. • Serial ATA revision 1.0a • Serial ATA transfer rate of 1.5 Gb/s. • Supports two SATA channels • Support for 1MB parallel FLASH and Serial EEPROM • 256 Byte data FIFO for each channel • On Board PCI Bus Master Engine • Queued/Overlapping ATA Commands Support • RAID 0/1 support • Implements Power Management Bios / Driver PC RAID Bios and Bios Support for MacOS 10.2.x / 10.3.x Windows Drivers for Win98SE/ME/2000/XP and Server 2003. Device Support INIC-1623 supports SATA hard disk drives such as Hitachi, Maxtor, Seagate, Western Digital and other brands. * Key benefits of SATA: Up to 6 times faster than existing external storage solutions. * Robust and user friendly, external eSATA connectors * Up to 2 meter shielded cables. MAC SATA PCI CARD 2-Port Test Results Using this card in our G5 2GHZ with Two Maxtor 300GB SATA Hard Drives Installed in our Mini Dual SATA External Enclosure. Software RAID 0 MAC OS 10.4.1: Results 242.74 System Info Xbench Version 1.1.3 System Version 10.4.1 (8B15) Physical RAM 1024 MB Model PowerMac7,3 Processor PowerPC G5x2 @ 2.00 GHz L1 Cache 64K (instruction), 32K (data) L2 Cache 512K @ 2.00 GHz Bus Frequency 1 GHz Video Card GeForce FX 5200 Drive Type RAID1 Disk Test 242.74 Sequential 288.46 Uncached Write 380.61 158.65 MB/sec [4K blocks] Uncached Write 382.71 156.72 MB/sec [256K blocks] Uncached Read 188.02 29.76 MB/sec [4K blocks] Uncached Read 302.31 122.14 MB/sec [256K blocks] Random 209.53 Uncached Write 1557.05 23.36 MB/sec [4K blocks] Uncached Write 294.38 66.39 MB/sec [256K blocks] Uncached Read 129.82 0.86 MB/sec [4K blocks] Uncached Read 136.10 28.01 MB/sec [256K blocks]