Serial Ata (Sata) Drive Guidelines And Features; Sata Hard Drives; Sata Hard Drive Cables; Sata Data Cable - HP dx7400 - Microtower PC Service & Reference Manual

5 Serial ATA (SATA) Drive Guidelines and
Features
NOTE: HP only supports the use of SATA hard drives on these models of computer. No Parallel ATA
(PATA) drives are supported.

SATA Hard Drives

Serial ATA Hard Drive Characteristics
Number of pins/conductors in data cable
Number of pins in power cable
Maximum data cable length
Data interface voltage differential
Drive voltages
Jumpers for configuring drive
Data transfer rate

SATA Hard Drive Cables

SATA Data Cable

Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5
Gb/s drives.
Current HP desktop products ship with SATA 3.0 Gb/s hard drives.
SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never
bend it tighter than a 30 mm (1.18 in) radius.
The SATA data cable is a thin, 7-pin cable designed to transmit data for only a single drive. See
Data and Power on page 126

SMART ATA Drives

The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal
Computers have built-in drive failure prediction that warns the user or network administrator of an
46 Chapter 5 Serial ATA (SATA) Drive Guidelines and Features
7/7
15
39.37 in (100 cm)
400-700 mV
3.3 V, 5 V, 12 V
N/A
3.0 Gb/s
for the pinout information.
SATA