WD3200AAJS
Western Digital Caviar Blue 320GB 3.5" SATA II 7200rpm 8MB Cache Hard Disk Drive
Features:
The original.These drives are built utilizing the tried and true proven technology of the original award-winning WD Caviar 3.5-inch hard drives for desktop computers.
Solid performance.
With SATA and PATA interfaces, and cache sizes up to 32 MB, this series of drives offer a full range of performance features.
Capacity.
We offer WD Caviar Blue drives with capacities from 80 GB to 1 TB because you can never have too much storage space.
Ultra cool and quiet.
Keeping the drive cool enhances reliability. WD continues to develop new and innovative ways to keep drives cool while they are operating which helps protect the drive and the data stored on it.
Compatible.
We perform tests on hundreds of systems and a multitude of platforms in our FIT Lab and Mobile Compatibility Lab to give our customers confidence that our drives will work in their systems.
SATA or PATA interface.
While SATA has become the industry standard interface, WD continues to manufacture desktop drives with a PATA interface for unique or legacy systems.
Interface.
PATA - Enhanced integrated drive electronics (EIDE), also called Parallel ATA (PATA), hard drives have been the standard in the computer industry for more than 10 years.
SATA - Serial ATA (SATA) hard drives are quickly becoming the new standard. Motherboard manufacturers now include SATA inputs on their boards. Because of their considerably narrower cables, SATA hard drives provide increased airflow and less clutter and in the computer system compared to PATA drives.
Value.
Built to the highest standards of quality and reliability, these drives offer features and capacity at an affordable price.
ShockGuard.
Instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar drives to achieve industry-leading shock specifications.
NoTouch ramp load technology.
The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit. IntelliSeek - Calculates optimum seek speeds to lower power consumption, noise and vibration.
Specifications:
Specifications:
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Specifications![]() | |
| Product Code | WD3200AAJS![]() |
| Performance Specifications | |
| Rotational Speed | 7,200 RPM (nominal) |
| Buffer Size | 8 MB |
| Average Latency | 4.20 ms (nominal) |
| Load/unload Cycles | 50,000 minimum |
| Seek Times | |
| Read Seek Time | 8.9 ms |
| Write Seek Time | 10.9 ms (average) |
| Track-To-Track Seek Time | 2.0 ms (average) |
| Full Stroke Seek | 21.0 ms (average) |
| Transfer Rates | |
| Buffer To Host (Serial ATA) | 3 Gb/s (Max) |
| Physical Specifications | |
| Formatted Capacity | 320, 072 MB |
| Capacity | 320 GB |
| Interface | SATA 3 Gb/s |
| User Sectors Per Drive | 625142448 |
| Physical Dimensions | |
| English | |
| Height | 1.028 Inches |
| Depth | 5.787 Inches |
| Width | 4.00 Inches |
| Weight | 1.33 Pounds |
| Metric | |
| Height | 25.4 mm |
| Depth | 147 mm |
| Width | 101.6 mm |
| Weight | 0.60 kg |
| Environmental Specifications | |
| Shock | |
| Operating Shock (Read) | 65G, 2 ms |
| Non-operating Shock | 350G, 2 ms |
| Acoustics | |
| Idle Mode | 28 dBA (average) |
| Seek Mode 0 | 26 dBA (average) |
| Seek Mode 3 | 26 dBA (average) |
| Temperature (English) | |
| Operating | 32° F to 140° F |
| Non-operating | -40° F to 149° F |
| Temperature (Metric) | |
| Operating | -0° C to 60° C |
| Non-operating | -40° C to 65° C |
| Humidity | |
| Operating | 5-95% RH non-condensing |
| Non-operating | 5-95% RH non-condensing |
| Altitude (English) | |
| Operating | -1, 000 feet to 10, 000 feet |
| Non-operating | -1, 000 feet to 40, 000 feet |
| Altitude (Metric) | |
| Operating | -305M to 3, 050M |
| Non-operating | -305M to 12, 200M |
| Vibration | |
| Operating | |
| Linear | 20-300 Hz, 0.75 G (0 to peak) |
| Random | 7-500 Hz (0.00221 g² / Hz) |
| Non-operating | |
| Low Frequency | 10-300 Hz, 0.195 inches (double amplitude) |
| High Frequency | 300-500 Hz, 5.0G (0 to peak) |
| Current Requirements | |
| 12 VDC | |
| Read/Write | 395 mA |
| Idle | 380 mA |
| Standby | 6 mA |
| Sleep | 6 mA |
| 5 VDC | |
| Read/Write | 660 mA |
| Idle | 532 mA |
| Standby | 180 mA |
| Sleep | 180 mA |
| Power Dissipation | |
| Read/Write | 7.80 Watts |
| Idle | 7.20 Watts |
| Standby | 0.97 Watts |
| Sleep | 0.97 Watts |

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