WD Ultrastar DC HC550 WUH721816ALE6L4 16 TB SATA
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HC500 series of helium-filled hard drives.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog WD 2026 - new arrivals, bestsellers, and the most relevant models WD.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog WD 2026 - new arrivals, bestsellers, and the most relevant models WD.
Buy WD Ultrastar DC HC550 WUH721816ALE6L4 16 TB SATA
All prices 6 →When you make a purchase through links on our site, we may receive a affiliate commission.
| £382.34 |  | ||||
Western Digital Ultrastar DC HC550 internal hard drive 16 TB 7200 RPM 0F38462 | £388.93 |  | |||
| £388.93 |  | ||||
| £395.41 | | ||||
| £403.99 |  | ||||
Western Digital Ultrastar 0F38462 3.5" 16000 GB Serial ATA III | £562.64 |  | |||
Series WD DC (server)Compare using chart →
18000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
22000 GB, built-in, for PC, helium, 3.5 ", buffer: 512 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
16000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SAS, warranty 5 years
8000 GB, built-in, server, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SAS, warranty 5 years
22000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
24000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
2000 GB, built-in, server, 3.5 ", buffer: 128 MB, 7200 rpm, connection: SATA3, warranty 5 years
10000 GB, built-in, server, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
8000 GB, built-in, server, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3, warranty 5 years
10000 GB, built-in, server, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3, warranty 5 years
22000 GB, built-in, for PC, helium, 3.5 ", buffer: 512 MB, write CMR, 7200 rpm, connection: SAS, warranty 5 years
14000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SAS, warranty 5 years
14000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
1000 GB, built-in, server, 3.5 ", buffer: 128 MB, 7200 rpm, connection: SATA3, warranty 5 years
10000 GB, built-in, server, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3, warranty 5 years
- Quite capacious enough to cram your entire life in photos onto one hard drive))) - Good write/read speed: 250 Mbps - Huge buffer, 512 MB - When connected, it showed 18,000,189,054,976 bytes - The writing method is ePMR, which I consider the best - I got the WUH721818ALE6L4 model, had no issues, just connected the power and SATA cable, PC recognized it without trouble - Helium inside the case is a big plus - HDD temperature without load is 42 degrees at a room temperature of 26 - Average speed, for example, is closer to the spindle around 120 Mbps - Output in OS Windows (binary system) will show you that the disk is 16.3 TB - With GPT, NTFS, the hard drive will occupy 6.37 GB just to partition the disk without your permission)))) - The noise is just horrible as if a plane is constantly flying (it's really annoying) forget about silence. I have AeroCool Flo Saturn case, two hard drives touch each other, resonate, and increase the noise, or maybe it's just the model I got... - Every 5-10 seconds during access, there's an unpleasant loud knock, clearly exceeding the "Noise level during operation 36 dBA", it's like someone constantly knocks on your apartment door, and you open it, but no one is there), on the internet they say it's normal, but believe me, I'm shocked by this hard drive, it's irritating... when your PC case near your feet is constantly knocking... it doesn't affect work...  Leonid Kiselev: use WD WUH721818ALE6L4 less than month |
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WD Ultrastar DC HC550 WUH721816ALE6L4 configurations
| Price for WD Ultrastar DC HC550 WUH721816ALE6L4 | ||||
|---|---|---|---|---|
| WD Ultrastar DC HC550 WUH721814ALE6L4 14 TB SATA | from £572.23 | 5 offers | |
| WD Ultrastar DC HC550 WUH721816AL5204 16 TB SAS | from £355.64 | 5 offers | |
| WD Ultrastar DC HC550 WUH721816ALE6L4 16 TB SATA | from £382.34 | 6 offers | |
| WD Ultrastar DC HC550 WUH721818AL5204 18 TB SAS | from £411.99 | 11 offers | |
| WD Ultrastar DC HC550 WUH721818ALE6L4 18 TB SATA | from £678.27 | 1 offer | |
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We recommendCompare using chart →
16000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
16000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
16000 GB, built-in, server, 3.5 ", buffer: 512 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
16000 GB, built-in, server, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 5 years
16000 GB, built-in, server, 3.5 ", buffer: 512 MB, write CMR, 7200 rpm, connection: SATA3, warranty 3 years
16000 GB, built-in, server, helium, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3, warranty 5 years
16000 GB, built-in, server, helium, 3.5 ", 7200 rpm, connection: SATA3, warranty 5 years
16000 GB, built-in, for PC, helium, 3.5 ", buffer: 512 MB, 7200 rpm, connection: SATA3, warranty 3 years
You'll have to get used to the periodic knocking), I bought it on 18.11.2021 for 33,299 ₽ with a discount...
The hum of the disk can be resolved by placing a sponge underneath without fastening it to the case. If you attach it to the case, and mine is made of foil, then Mozart's melodies become second-rate))), yet silence is gone((( since the periodic knocking is like having a woodpecker settled in your system unit!
The program "Victoria 5.23" showed that 6 blocks take 1 second for access, and 46 blocks take 250 milliseconds, a slight acceptable defect)