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WD Ultrastar DC HC550 WUH721818AL5204 18 TB
SAS

Photos - Hard Drive WD Ultrastar DC HC550 WUH721818AL5204 18 TB SAS
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from $424.31 up to $466.26 
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WD WUH721818AL5204
DC (server)helium5 year warranty
16 TB
SATA
18 TB
SAS
Placement
built-in
Type
HDD
Features
server
Size
18000 GB
Form factor
3.5 "
Connection
SAS
Helium
Manufacturer's warranty
5 years
Cache memory
512 MB
RPM
7200 rpm
Operation power consumption
8.8 W
Standby power consumption
5.8 W
MTBF
2.5 M h
MTBF
600 K
Size
147x102x26 mm
Weight
690 g
Added to E-Catalog
january 2021
P/N
0F38352

0F38353

0F38354

HC500 series of helium-filled hard drives.
Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
Catalog WD 2025 - new products, best sales and most actual models WD.
Series WD DC (server)Compare using chart →
WD Ultrastar DC HC580 WUH722424ALE6L4
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24000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
WD Ultrastar DC HC550 WUH721816ALE6L4
from $265.00 
16000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
WD Ultrastar DC HA210 HUS722T1TALA604
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1000 GB, built-in, server, 3.5 ", buffer: 128 MB, 7200 rpm, connection: SATA3, warranty 5 years
WD Ultrastar DC HC560 WUH722020BLE6L4
from $466.00 
20000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3
WD Ultrastar DC HC330 WUS721010ALE6L4
from $249.47 
10000 GB, built-in, server, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3, warranty 5 years
WD Ultrastar DC HC570 WUH722222ALE6L1
from $309.00 
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WD Ultrastar DC HA210 HUS722T2TALA604
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2000 GB, built-in, server, 3.5 ", buffer: 128 MB, 7200 rpm, connection: SATA3, warranty 5 years
WD Ultrastar DC HC530 WUH721414ALE6L4
from $341.00 
14000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
WD Ultrastar DC HC320 HUS728T8TALE6L4
from $221.00 
8000 GB, built-in, server, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3, warranty 5 years
WD Ultrastar DC HC310 HUS726T4TALE6L4
from $95.00 
4000 GB, built-in, server, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3
WD Ultrastar DC HC550 WUH721816AL5204
from $364.00 
16000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SAS, warranty 5 years
WD Ultrastar DC HC310 HUS726T6TAL5204
from $231.80 
6000 GB, built-in, server, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3
WD Ultrastar DC HC330 WUS721010AL5204
from $271.71 
10000 GB, built-in, server, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3, warranty 5 years
WD Ultrastar DC HC560 WUH722020ALE6L4
from $476.00 
20000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3
WD Ultrastar DC HC570 WUH722222AL5201
from $639.00 
22000 GB, built-in, pC, helium, 3.5 ", buffer: 512 MB, write CMR, 7200 rpm, connection: SAS, warranty 5 years
WD Ultrastar DC HC510 HUH721010ALE604
from $238.50 
10000 GB, built-in, server, helium, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3
WD Ultrastar DC HC530 WUH721414AL5204
from $319.00 
14000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SAS, warranty 5 years
WD Ultrastar DC HC530 WUH721414ALE604
from $119.00 
14000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
WD Ultrastar DC HC550 WUH721814ALE6L4
from $394.00 
14000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
WD Ultrastar DC HC560 WUH722020BL5204
from $500.00 
20000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SAS

WD Ultrastar DC HC550 WUH721818AL5204 configurations

Price for WD Ultrastar DC HC550 WUH721818AL5204
WD Ultrastar DC HC550 WUH721814ALE6L4 14 TB
SATA
from $394.00
WD Ultrastar DC HC550 WUH721816AL5204 16 TB
SAS
from $364.00
WD Ultrastar DC HC550 WUH721816ALE6L4 16 TB
SATA
from $265.001 offer
WD Ultrastar DC HC550 WUH721818AL5204 18 TB
SAS
from $424.312 offers
Video reviews
Western Digital Ultrastar DC HC550 18TB #1 (good) and #2 (bad) - Spin up/down
22 July 20233 783 view
Western Digital Ultrastar DC HC550
27 May 2023265 view
Western Digital WD Ultrastar DC HC550 18TB Hard Drive Unboxing and Test
14 February 20229 423 view
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