![WD Ultrastar DC HC550 WUH721818ALE6L4 - Hard drive - 18 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512 MB - Walmart.com WD Ultrastar DC HC550 WUH721818ALE6L4 - Hard drive - 18 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512 MB - Walmart.com](https://i5.walmartimages.com/asr/d14fca42-8462-494b-9670-cc03b6e354df.79f19c4b3c12e461052118a20b6d73ca.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
WD Ultrastar DC HC550 WUH721818ALE6L4 - Hard drive - 18 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512 MB - Walmart.com
![Western Digital Ultrastar DC HC550 WUH721818ALE604 18TB SATA 3.5" Recertified HDD — ServerPartDeals.com Western Digital Ultrastar DC HC550 WUH721818ALE604 18TB SATA 3.5" Recertified HDD — ServerPartDeals.com](https://serverpartdeals.com/cdn/shop/files/WUH721818ALE604-0F38453-MR-front_1600x1600.jpg?v=1682621460)
Western Digital Ultrastar DC HC550 WUH721818ALE604 18TB SATA 3.5" Recertified HDD — ServerPartDeals.com
![WD Ultrastar DC HC550 18TB Hard Drive 3.5" Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) Desktop Internal Hard Drives - Newegg.com WD Ultrastar DC HC550 18TB Hard Drive 3.5" Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) Desktop Internal Hard Drives - Newegg.com](https://c1.neweggimages.com/productimage/nb640/A994S2102127RkcW.jpg)
WD Ultrastar DC HC550 18TB Hard Drive 3.5" Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) Desktop Internal Hard Drives - Newegg.com
![WD Ultrastar DC HC550 16TB 18TB 3.5 HDD SATA 7200RPM SATA 6Gb/s 512M Helium Sealed Enterprise 3.5" Hard Drive WUH721818ALE6L4 WD Ultrastar DC HC550 16TB 18TB 3.5 HDD SATA 7200RPM SATA 6Gb/s 512M Helium Sealed Enterprise 3.5" Hard Drive WUH721818ALE6L4](https://ae01.alicdn.com/kf/A961610b198d042598213fb605e78ce08b/WD-Ultrastar-DC-HC550-16TB-18TB-3-5-HDD-SATA-7200RPM-SATA-6Gb-s-512M-Helium.jpg)
WD Ultrastar DC HC550 16TB 18TB 3.5 HDD SATA 7200RPM SATA 6Gb/s 512M Helium Sealed Enterprise 3.5" Hard Drive WUH721818ALE6L4
![WD Ultrastar DC HC550 18TB Hard Drive 3.5" Internal 512MB 7200 RPM SAS 12Gb/s 512E SE P3 0F38353 (WUH721818AL5204) Desktop Internal Hard Drives - Newegg.com WD Ultrastar DC HC550 18TB Hard Drive 3.5" Internal 512MB 7200 RPM SAS 12Gb/s 512E SE P3 0F38353 (WUH721818AL5204) Desktop Internal Hard Drives - Newegg.com](https://cdn.cs.1worldsync.com/syndication/feeds/wd/inline-content/F6/00785FF991CF1C129CBADFB16FB19C6E4B76FB63_LGVEV0QDNQK_i_priview_2.jpg)
WD Ultrastar DC HC550 18TB Hard Drive 3.5" Internal 512MB 7200 RPM SAS 12Gb/s 512E SE P3 0F38353 (WUH721818AL5204) Desktop Internal Hard Drives - Newegg.com
![WD Ultrastar DC HC550 WUH721818ALE6L4 - Hard drive - 18 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512 MB - Walmart.com WD Ultrastar DC HC550 WUH721818ALE6L4 - Hard drive - 18 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512 MB - Walmart.com](https://i5.walmartimages.com/asr/cec8b08c-08ae-4341-b290-23343ee8e540.3f40c104e04bb21c883e0a23b258fd36.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)