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- Description
- Specifications
MY58D is the Dell part number for a 3TB 3.5 inch SAS hard drive with HGST model number HUS724030ALS640, an Ultrastar 7K4000 drive without encryption. It spins at 7,200 RPM on a SAS-2 interface running at 6, 3 or 1.5 Gb/s, and supports dual-ported and full-duplex operation.
Four disks and eight heads hold 3,000,592,982,016 logical bytes in 512-byte sectors. The sector buffer is 64 MB, of which about 15 MB is typically taken by firmware, and the typical seek time is 8.2 ms. The maximum data transfer rate from the media is 1,828 Mbps, the interface rate is 600 MB/s and areal density peaks at 522 Gbit per square inch.
The drive uses a fluid dynamic bearing motor and a dual-stage actuator, with rotational vibration safeguard, ANSI T10 protection information and variable sector sizes from 512 to 528 bytes. Mean time between failures is 2.0 million hours.
The case is 26.1 mm high, 101.6 mm wide and up to 147 mm long, with a maximum weight of 673 g. Other drives from the same Ultrastar series in the Dell range are the 4TB 7J9RN and the 2TB WTJVY.
| MY58D Specs | |
| Part number | MY58D |
| Capacity | 3TB (3,000,592,982,016 bytes) |
| Interface | SAS-2 6 Gb/s, dual port |
| Form factor | 3.5 inch, 26.1 mm |
| Spindle speed | 7,200 RPM |
| Buffer | 64 MB |
| Seek time (typical) | 8.2 ms |
| Disks/heads | 4/8 |
| Sector size | 512 bytes |
| MTBF | 2.0 million hours |
| Encryption | none |
| Weight | 673 g max |
