SAS SATA Cables SFF-8643 To 4 SFF-8482 Internal Mini SAS HD to 4 29pin SFF-8482 connector with SAS 15pin Power Port 12GB/S Cable Note: 29pin SFF-8482 is 7+7+15 pin, the middle 7 pin is empty, it don't effect to use. Specifications: side 1: Internal Mini SAS sff-8643 side 2: (4) 29pin SFF-8482 connectors with SAS 15pin power port cable: 30awg cable length: 0.5/1 meters cable Color: black & Blue. Description Internal Mini SAS SFF-8643 to (4) 29pin SFF-8482 connectors with power connecting a SAS controller (SFF-8643) to four SATA/SAS disks (SFF-8482) Please note that Mini SAS (SFF-8643) is host, 4 SAS 29 (SFF-8482) is target, internal Mini Serial Attached SCSI x4 (SFF-8643) to (4) x1 (SFF-8482) Serial Attached SCSI (controller based) fan-out cables Before you buy this cable, Please make sure the Mini SAS (SFF-8643) on your motherboard or RAID controller. If the Mini SAS (SFF-8643) on your backplane, this cable will not work with them Mini SAS (SFF-8643) connect to the controller, 4 SAS connect to the HDD (hard disc driver) Applications Data/Communications 1.RAID (Redundant Array of Independent Disks) 2.Workstations 3.Rack-mount server 4.Servers 5.Storage rack Features and Benefits 1.Transmission rate 12 Gbps. 2. Meet SAS3.0 specification. Mechanical Performance Mating Force and Unmating Force Condition: EIA 364-13. Insert and extract at a speed of 25mm/minute. Mating Force: 55 N maximum. Unmating Force: 49 N maximum. Electrical Performance 1.Contact Current Rating 0.5Amperes maximum per pin when mated. 2.Voltage Rating 30VAC per contact when mated or unmated. 3.Contact Resistance 30mohm max. initial, 15mohm maximum after stress test. 4.Dielectric Withstanding Voltage 500 VAC for 1 minute no breakdown. 5.Insulation Resistance 1000 Mohm minimum. Signal Integrity 1. Mated Connector Impedance: 100 ohm15% 2. Cable Absolute Impedance: 100 ohm10% 3. Cable Pair Matching: 5 ohm 4. Common Mode Impedance: 25 to 40 ohms 5. Insertion loss: -6dB maximum up to 4.5Ghz;11dB maximum up to 9Ghz. 6. Crosstalk: -35 dBup to 6Ghz Product Environmental Compliance RoHS2.0 : Compliant ChinaRoHS : Yes REACH SVHC : Yes Low-Halogen Status : Not Reviewed