WESTERN DIGITAL 7K8 8TB SATA 6Gbps 512e SED
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WESTERN DIGITAL 7K8 8TB SATA 6Gbps 512e SED
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Interface
Serial ATA III
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Transfer rate
6GB/s
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Capacity
8TB
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Rotational Speed
7200RPM
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Size
3.5"
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Description
Specifications
Related products
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
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SAS 12 Gb/s
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| Capacity |
8TB |
8TB
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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
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7200
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| 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)
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1 in 1015
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1 in 1015
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| MTBF (M hours) |
2 |
2 |
| Annualized Failure Rate (AFR)
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0.44%
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0.44%
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| Load/Unload cycles (at 40°C)
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600,000
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600,000
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| Availability (hrs/day x days/wk)
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24x7
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24x7
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| Limited Warranty (yrs)
|
5 |
5 |
| Acoustics |
| Idle/Operating (Bels, typical)
|
2.9/3.6
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2.9/3.6
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| Power |
| Requirement |
+5 VDC, +12VDC
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+5 VDC, +12VDC
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| Operating (W, typical) |
8.8 |
12.8
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| Idle (W) |
7.5 |
8.4 |
| Physical Size |
| z-height (mm)
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26.1
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26.1
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| Dimensions (width x depth, mm)
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101.6 (+/-0.25) x 147
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101.6 (+/-0.25) x 147
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| Weight (g, max)
|
715 |
715 |
| Environmental (Operating) |
| Ambient temperature
|
5°C to 60°C
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5°C to 60°C
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| Shock (half-sine wave, 2ms, G)
|
70 |
70 |
| HDD-størrelse | 3.5" |
| Intern harddisk | 8000 GB |
| HDD-hastighet | 7200 RPM |
| Videoopptaksgrensesnitt | Serial ATA III |
| Modell/Type | Harddisk |
| Komponent for | Server / Arbeidsstasjon |
| Lagringsenhetens bufferstørrelse | 256 MB |
| Overføringshastighet HDD-grensesnitt | 6 Gbit/s |
| Vedvarende overføringshastighet HDD | 243 MiB/s |
| Lesesøking | 8 ms |
| Skrivesøking | 8,6 ms |
| Gjennomsnittlig ventetid | 4,16 ms |
| Start/stopp syklus | 600000 |
| Gjennomsnittstid mellom feil (MTBF) | 2000000 timer |
| Strømforbruk (lese) | 8,8 W |
| Strømforbruk (skrive) | 8,8 W |
| Strømforbruk (inaktiv) | 7,4 W |
| Driftsspenning | 5 / 12 V |
| Driftstemperaturområde | 5 - 60 °C |
| Oppbevaringstemperaturomåde (Celsius) | -40 - 70 °C |
| Vibrering ved drift | 0,67 G |
| Vibrering ved stillstand | 1,04 G |
| Støt under drift | 70 G |
| Sjokk ved ikke-drift | 300 G |
| Bredde | 101,6 mm |
| Høyde | 26,1 mm |
| Dybde | 147 mm |
| Vekt | 715 g |
| Lagringsdriveradapter medfølger | No |
| Kvantitet/antall | 1 |
Storage / External Drives & Enclosures
QNAP 4 bay NAS
Disk Interface: SATA, Serial ATA II
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Installed: 0GB
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Max Disks: 4
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RAID: Yes
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Type: Desktop
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Disk Size: 3.5"
Storage / Internal Hard Drives
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