HDD - Western Digital Ultrastar DC HC555 20 TB 7200 RPM 512 MB SAS3
Product reference: 14-829686009363

The Western Digital Ultrastar DC HC555 is a 20TB internal hard drive for servers and workstations, operating at 7200 RPM with a 512MB buffer. It features a SAS3 interface, providing 272 MiB/s sustained data transfer rate and a mean time between failures (MTBF) of 2.5 million hours.

HDD - Western Digital Ultrastar DC HC555 20 TB 7200 RPM 512 MB SAS3

Product reference: 14-829686009363

The Western Digital Ultrastar DC HC555 is a 20TB internal hard drive for servers and workstations, operating at 7200 RPM with a 512MB buffer. It features a SAS3 interface, providing 272 MiB/s sustained data transfer rate and a mean time between failures (MTBF) of 2.5 million hours.

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24 month

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Western Digital Ultrastar DC HC555 20 TB 7200 RPM 512 MB 3.5" SAS3


The Western Digital Ultrastar DC HC555 is a 20 TB capacity internal hard drive designed for server and workstation use, operating at 7200 RPM with a 512 MB buffer. It has a SAS3 interface with a sustained data transfer rate of 272 MiB/s and a mean time between failures (MTBF) of 2.5 million hours.


  • High-capacity 20 TB memory designed for 24/7 server and workstation operation.
  • Fast data transfer speeds, averaging 285 MB/s and sustained 272 MiB/s.
  • Reliability with a mean time between failures (MTBF) of 2.5 million hours.
  • Optimized for business environments with 7200 RPM speed and SAS3 interface for better performance.

Features

Product type Internal hard drive
Brand Western Digital
Model Ultrastar DC HC555

Specifications

Capacity 20 TB
Form 3.5"
Interface SAS3
Speed 7200 RPM
Buffer size 512MB
Average transfer speed 285 MB/s
Constant transfer rate 272 MB/s
Mean time between failures (MTBF) 2.5 million hours
Power (typical) 9.2W
Power (idle) 5.7W
Operating voltage 5 / 12 V
Weight 690g
Dimensions 101.6mm x 26.1mm x 147mm (W x H x D)

Operating conditions

Operating temperature 5 - 60 °C
Safety temperature -40 - 70 °C
Operating stroke 50 G
Missed kick 250 G

Safety warning

Avoid extreme temperatures. Dispose of in normal waste container, special disposal required. Keep away from water and moisture.

Height50mm
Length200mm
Weight900g
Width150mm
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