Western Digital
WUH721818AL5200 - WD Ultrastar DC HC550 18TB 7200RPM SAS 3.5" HDD
PNWUH721818AL5200Refurbished
$1,368.00
In stockonly 10 left
1
SKU WUH721818AL5200
Warranty included
Coverage
Fast shipping
US · EU · UK
Tested & graded
Every unit
Western Digital WUH721818AL5200 Ultrastar DC HC550 18TB 7200RPM 12Gb/s SAS 512MB Cache 3.5-Inch Hard Drive (OEM)
Ultrastar DC HC550 WUH721818AL5200 is a high-performance 7200 RPM drive offering 18TB capacity. With SAS 12Gb/s interface, it delivers reliable, high-speed data transfer for traditional and cloud-based data centers. HelioSeal technology enhances efficiency and longevity, while the 3.5-Inch form factor ensures seamless integration.
- 512MiB Memory
- Fluid Dynamic Bearing motor
- Automatic Actuator lock
- Triple Stage Actuator
- PSID support for secure data management
- S.M.A.R.T. monitoring drives health to predict failures.
- RVS maintains performance in high-vibration environments
- Power saving modes/Low RPM idle mode (APM) reduces power consumption
General Information
| Product Line | Ultrastar |
|---|---|
| Product Series | DC HC550 |
| Product Type | Hard Drive |
Technical Information
| Storage Capacity | 18 TB |
|---|---|
| Cache Storage | 512 MB |
| Maximum Data Transfer Rate | 12 Gb/s |
| RPM | 7200 |
| Drive Type | Internal |
| Drive Width | 3.5" |
Interfaces/Ports
| Drive Interface | SAS |
|---|---|
| Interface Standard | 12Gb/s SAS |
Physical Characteristics
| Form Factor | LFF |
|---|
Also known as — equivalent part numbers
This part is sold under the following identifiers. Search any of them to reach this page.
- Primary part number
- WUH721818AL5200
Warranty
Warranty included, backed directly by SAHS. See our Warranty Policy for details.
Returns
Contact our team with your order details and we'll walk you through the process — see our Shipping & Returns page and policies for full details.
Related Server Hard Drives
QuoteWestern Digital
WUS721210BLE600 - Western Digital 10TB 7.2KRPM SATA 6Gb/s 3.5-inch HDD
10TB · 6Gb/s SATA · LFF
Request a Quote
QuoteWestern Digital
0F48152 - WD Ultrastar DC HC570 22TB 7200RPM SATA 3.5" HDD
22TB · 6Gb/s SATA · LFF
Request a Quote
QuoteWestern Digital
0F38358 - Western Digital 16TB 7200RPM SAS 12Gb/s 3.5" HDD
16TB · 12Gb/s SAS · 3.5"
Request a Quote
QuoteWestern Digital
0B48712 - Western Digital 16TB 7200RPM SAS 12Gb/s 3.5" Hard Drive
16TB · 12Gb/s SAS · 3.5"
Request a Quote
QuoteWestern Digital
WUS721204BLE604 - Western Digital 4TB 7.2k RPM SATA 6Gb/s 3.5" HDD
4TB · 6Gb/s SATA · LFF
Request a Quote
QuoteWestern Digital
0B48608 - WD Ultrastar DC HA340 12TB 7200RPM SATA 3.5" HDD
12TB · 6Gb/s SATA · LFF
Request a Quote
NewWestern Digital
WUH722014CLE6L4 - WD Ultrastar DC HC555 14TB 7200RPM SATA 3.5" HDD
14TB · 6Gb/s SATA · LFF
$998.00
QuoteWestern Digital
0F62791 - Western Digital 22TB 7.2KRPM SAS 12Gb/s 3.5-inch HDD
22TB · 12Gb/s SAS · LFF
Request a Quote
QuoteWestern Digital
WUH722424ALE600 - Western Digital 24TB 7.2KRPM SATA 6Gb/s 3.5-inch HDD
24TB · 6Gb/s SATA · LFF
Request a Quote
QuoteWestern Digital
0B47062 - WD Ultrastar DC HA340 10TB 7200RPM SATA 3.5" HDD
10TB · 6Gb/s SATA · LFF
Request a Quote
NewWestern Digital
0F62835 - Western Digital Ultrastar DC HC580 24TB 7200RPM SAS 3.5" HDD
24TB · 12Gb/s SAS · LFF
$2,600.00
QuoteWestern Digital
WUH722020BL5200 - Western Digital 20TB 7.2KRPM SAS 12Gb/s 3.5-inch HDD
20TB · 12Gb/s SAS · LFF
Request a Quote
- WUS721204BLE6L4 - Western Digital 4TB 7.2KRPM SATA 6Gb/s 3.5-inch HDD
- 2W11076 - Western Digital Gold 12TB 7200RPM SATA 3.5-Inch Hard Drive
- WUH722424AL5200 - WD Ultrastar DC HC580 24TB 7200RPM SAS 3.5" HDD
- 0B47076 - Western Digital 4TB 7.2KRPM SATA 6Gb/s 3.5-inch HDD
- WUH722624ALE6L4 - WD Ultrastar DC HC590 24TB 7200RPM SATA 3.5" HDD
- WUH722626AL5204 - WD Ultrastar DC HC590 26TB 7200RPM SAS 3.5" HDD
- 0F59375 - Western Digital Ultrastar DC HC590 26TB 7200RPM SAS 3.5" HDD
- 342-5742 - Dell 500GB 7200RPM SAS 6Gb/s 2.5-in Hard Drive
- 463-7467 - Dell 600GB 15000RPM SAS 6Gb/s 3.5-Inch Hard Drive
- 463-7468 - Dell 600GB 15000RPM SAS 6Gb/s 3.5-Inch Hard Drive
- 400-AGTQ - Dell 1.8TB 10000RPM SAS 12Gb/s 2.5-in HDD with Tray
- 644TP - Dell 4TB 7200RPM SAS 6Gb/s 3.5-in Hard Drive
- 400-AHLH - Dell 600GB 15000RPM SAS 6Gb/s 3.5-Inch Hard Drive
- 400-ADPI - Dell 600GB 15000RPM SAS 6Gb/s 2.5-Inch Hard Drive
- 400-AHFJ - Dell 1.8TB 10000RPM SAS 12Gb/s 2.5-in HDD with Tray
- 400-ADPD - Dell 600GB 15000RPM SAS 2.5-Inch Hard Drive
- 400-ADPL - Dell 600GB 15000RPM SAS 3.5-Inch Hard Drive
- DK2CX - Dell 600GB 15K SAS 12Gb/s (512n) 2.5-in HDD with Tray
- RFPPT - Dell 600GB 15K SAS 6Gb/s 2.5-in HDD with 3.5-in Carrier
- K1W4K - Dell 600GB 15K SAS 6Gb/s 2.5-in HDD with 3.5-in Carrier
- 400-AHEF - Dell 1.8TB 10000RPM SAS 12Gb/s 2.5-in HDD with Tray
- 463-7439 - Dell 1.8TB 10000RPM SAS 12Gb/s 2.5-in HDD with Tray
- 400-AEQR - Dell 600GB 15000RPM SAS 6Gb/s 2.5-Inch Hard Drive
- 400-AIPX - Dell 1.8TB 10000RPM SAS 12Gb/s 2.5-in HDD with Tray
$1,368.00
In stock