Key Features
- 512 MB data buffer
- Full-track, multiple-sector transfer capability without local processor intervention
- High instantaneous (burst) data-transfer rates up to 600 MB/s
- Native Command Queuing (NCQ) with command ordering to help increase performance in demanding applications
- PowerChoice for selectable power savings
- Perpendicular recording technology for increased areal density
- SeaTools diagnostic software performs drive self-tests to help reduce unnecessary drive returns
- State-of-the-art cache and on-the-fly error-correction algorithms
- Support for S.M.A.R.T. drive monitoring and reporting
- Supports latching SATA cables and connectors
- Top Cover Attached motor for excellent vibration tolerance
- Worldwide Name (WWN) capability uniquely identifies the drive
Specifications
Drive Specifications
| Specification | Value |
|---|---|
| Formatted capacity (512 bytes/sector) | 20 TB |
| Heads | 20 |
| Discs | 10 |
| Bytes per logical sector | 512 |
| Bytes per physical sector | 4096 |
| Recording density, KBPI (Kb/in max) | 2426 |
| Track density, KTPI (ktracks/in avg.) | 436 |
| Areal density (Gb/in² avg) | 1028 |
| Spindle speed (RPM) | 7200 |
| Internal data transfer rate (Mb/s max) | 2833 |
| Sustained data transfer rate OD (MB/s max) | 250 |
| I/O data-transfer rate (MB/s max) | 600 |
ATA Data-Transfer Modes Supported
| Mode Type | Modes Supported |
|---|---|
| PIO | 0–4 |
| Multiword DMA | 0–2 |
| Ultra DMA | 0–6 |
Cache
| Specification | Value |
|---|---|
| Cache buffer | 512 MB |
Physical
| Specification | Value |
|---|---|
| Weight (maximum) | 670 g (1.477 lb) |
Performance
| Specification | Value |
|---|---|
| Average latency | 4.16 ms |
| Power-on to ready (typ/max) | 23 / 30 s |
| Standby to ready (typ/max) | 23 / 30 s |
Power
| Specification | Value |
|---|---|
| Startup current (typical) 12 V (peak) | 2.0 A |
| Voltage tolerance (including noise) – 5 V | ± 5% |
| Voltage tolerance (including noise) – 12 V | ± 10% |
Environmental
| Specification | Value |
|---|---|
| Operating ambient temperature (min) | 0 °C (Ambient) |
| Operating temperature (max) | 65 °C (Drive Reported Temperature) |
