Ultrastar DC HC320
8TB 3.5-inch Data Center Hard Drive
Medium Capacity for High
Access-Density Requirements
Features:
- Excellent random and sequential performance
- 8TB capacity point supports traditional IT systems
- Sustained transfer rate up to 255MB/s
- Choice of 12Gb/s SAS or 6Gb/s SATA
- Advanced Format 4Kn and 512e models
- Self-Encrypting Drive options
- 5-year limited warranty
Specifications:
| Interface |
SATA 6 Gb/s
|
SAS 12 Gb/s
|
| Capacity |
8TB |
8TB
|
Format: Sector size(bytes)
4Kn:
512e: |
4096
512s |
4096, 4112, 4160, 4224
512, 520, 528 |
| Performance |
| Data buffer (MB) |
256 |
256 |
| Rotational speed (RPM)
|
7200
|
7200
|
| Interface transfer rate (MB/s, max)
|
600 |
1200 |
Sustained transfer rate
(MiB/s, typical)
(MB/s, typical) |
Up to 243
Up to 255 |
Up to 243
Up to 255 |
| Reliability |
| Error rate (non-recoverable bits read)
|
1 in 1015
|
1 in 1015
|
| MTBF (M hours) |
2 |
2 |
| Annualized Failure Rate (AFR)
|
0.44%
|
0.44%
|
| Load/Unload cycles (at 40°C)
|
600,000
|
600,000
|
| Availability (hrs/day x days/wk)
|
24x7
|
24x7
|
| Limited Warranty (yrs)
|
5 |
5 |
| Acoustics |
| Idle/Operating (Bels, typical)
|
2.9/3.6
|
2.9/3.6
|
| Power |
| Requirement |
+5 VDC, +12VDC
|
+5 VDC, +12VDC
|
| Operating (W, typical) |
8.8 |
12.8
|
| Idle (W) |
7.5 |
8.4 |
| Physical Size |
| z-height (mm)
|
26.1
|
26.1
|
| Dimensions (width x depth, mm)
|
101.6 (+/-0.25) x 147
|
101.6 (+/-0.25) x 147
|
| Weight (g, max)
|
715 |
715 |
| Environmental (Operating) |
| Ambient temperature
|
5°C to 60°C
|
5°C to 60°C
|
| Shock (half-sine wave, 2ms, G)
|
70 |
70 |