20TB 3.5" 7200 RPM SATA Hard Drive
High-capacity 20TB hard drive designed for performance, reliability, and advanced data management.
Key Features
- High-Speed Performance
- 7200 RPM spindle speed
- 256 MB data buffer (cache)
- Full-track, multiple-sector transfer capability without local processor intervention
-
High instantaneous (burst) data-transfer rates up to 600 MB/s
-
Advanced Command & Power Management
- Native Command Queuing (NCQ) with command ordering for increased performance in demanding applications
-
PowerChoice for selectable power savings
-
Recording & Reliability Technologies
- Perpendicular recording technology for increased areal density
- State-of-the-art cache and on-the-fly error-correction algorithms
-
SeaTools diagnostic software for drive self-test to help eliminate unnecessary drive returns
-
Monitoring & Connectivity
- 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 for unique drive identification
Specifications
Drive Specifications
| Specification | Value |
|---|---|
| Capacity (formatted, 512 bytes/sector) | 20 TB |
| Bytes per logical sector | 512 |
| Bytes per physical sector | 4096 |
| Heads | 20 |
| Discs | 10 |
| Recording density (KBPI, Kb/in max) | 2470 |
| Track density (KTPI, ktracks/in avg.) | 482 |
| Areal density (Gb/in² avg) | 1146 |
| Spindle speed | 7200 RPM |
| Internal data transfer rate (Mb/s max) | 2899 |
| Sustained data transfer rate OD (MB/s max) | 248 |
| I/O data-transfer rate (MB/s max) | 600 |
| Cache buffer | 256 MB (262,144 KB) |
| Weight (maximum) | 680 g (1.499 lb) |
ATA Data-Transfer Modes Supported
| Mode Type | Supported Modes |
|---|---|
| PIO | Modes 0–4 |
| Multiword DMA | Modes 0–2 |
| Ultra DMA | Modes 0–6 |
Performance
| Parameter | Value |
|---|---|
| Average latency | 4.16 ms |
| Power-on to ready (typ/max) | 25 / 30 s |
| Standby to ready (typ/max) | 25 / 30 s |
Power Requirements
| Parameter | Value |
|---|---|
| Startup current (typical) 12V (peak) | 2.0 A |
| Voltage tolerance (including noise) 5V | ± 5% |
| Voltage tolerance (including noise) 12V | ± 10% |
Environmental
| Parameter | Value |
|---|---|
| Operating ambient temperature (min) | 0°C (Ambient) |
| Operating temperature (max) | 65°C (Drive Reported Temperature) |
