WD Ultrastar HC550 18TB price tracker
Buy or wait? Tracking began 2026-10-16, so there isn't enough history for a buy/wait call yet. Today the cheapest clean listing is 32% under the typical one.
See the cheapest WD Ultrastar HC550 18TB on eBay — $375 →
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Where today's prices sit
47 live listings by price (item + shipping). The highlighted bar is the cheapest band.
Price history starts 2026-10-16 — the chart appears after the second daily snapshot.
Cheapest WD Ultrastar HC550 18TB listings right now
| Listing | Condition | Price + ship | ||
|---|---|---|---|---|
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WD Ultrastar DC HC550 18TB 7200 RPM SAS 12Gb/s 512MB 3.5" Enterprise HDD used offers | Used | $375 free ship | View on eBay |
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WD Ultrastar DC HC550 18TB SATA 7200RPM Enterprise HDD - ONLY 387 HOURS offers | Used | $400 + ship? | View on eBay |
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WD DC HC550 18TB 7.2K SAS 12Gbs 512MB 3.5" HDD WUH721818AL5204 0F38353 | Used | $415 | View on eBay |
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WD DC HC550 18TB SAS 12Gb/s 3.5 in Enterprise HDD | WUH721818AL5204 | 0F38353 | Excellent - Refurbished | $440 free ship | View on eBay |
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WD DC HC550 18TB WUH721818ALE601 0F38452 7.2K RPM SATA 6Gb/s 512e 3.5" HDD | Used | $449 free ship | View on eBay |
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WD DC HC550 18TB WUH721818ALE6L1 0F38458 7.2K RPM SATA 6Gb/s 512e 3.5" HDD | Used | $449 free ship | View on eBay |
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Western Digital® Ultrastar™ DC HC550 18TB Internal 7.2K RPM SAS 6GB/s 3.5'' HDD | Used | $449 free ship | View on eBay |
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Western Digital Ultrastar DC HC550 18TB 7200RPM SATA 3.5" HDD WUH721818ALE6L4 | Used | $475 free ship | View on eBay |
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WD DC HC550 18TB 7.2K SAS 12Gbs 512MB 3.5" HDD WUH721818AL5204 0F38353 Tested offers | Used | $490 free ship | View on eBay |
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WD Ultrastar DC HC550 18TB WUH721818ALE6L4 0F38459 7.2K RPM SATA 6Gb/s 3.5" HDD | Used | $494 | View on eBay |
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WD 18TB DC HC550 7.2K SATA 3.5" Hard Drive HDD WUH721818ALE6L4 - 100% Health offers | Used | $495 free ship | View on eBay |
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WD Ultrastar DC HC550 WUH721818AL4206 18TB SAS 12G 4Kn 7200RPM HDD 0F38314 offers | Used | $499 free ship | View on eBay |
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WUH721818ALE6L4 WD Ultrastar DC HC550 18TB 7.2K SATA 6Gb/s 512MB 3.5" HDD offers | Used | $499 free ship | View on eBay |
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WD Ultrastar DC HC550 18TB 7.2K SAS 12Gbs 512MB 3.5" HDD WUH721818AL4206 offers | Used | $505 | View on eBay |
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WD Ultrastar DC HC550 18TB 7.2K SAS 12Gb/s 4Kn 3.5in HDD WUH721818AL4206 offers | Used | $509 free ship | View on eBay |
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Western Digital Ultrastar HC550 18TB SAS - WUH721818AL5204 Grade A 99.9%+ Health offers | Used | $511 | View on eBay |
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WD Ultrastar DC HC550 18TB 7.2K SATA 6Gb/s 512MB 3.5" HDD WUH721818ALE6L4 offers | Used | $525 free ship | View on eBay |
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WD Ultrastar DC HC550 18TB 7.2K SAS 12Gbs 512MB 3.5" HDD WUH721818AL5204 0F38353 offers | Used | $529 free ship | View on eBay |
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WD Ultrastar DC HC550 18TB SAS 12GB/s 3.5" HDD WUH721818AL5204 0F38353 | Excellent - Refurbished | $539 free ship | View on eBay |
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WD HC550 18TB WUH721818ALE601 0F38452 7.2K RPM SATA 6Gb/s 512e 512MB 3.5" HDD | Excellent - Refurbished | $539 free ship | View on eBay |
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WUH721818ALE6L4 WD 18TB SATA Ultrastar DC HC550 3.5" LFF Enterprise Hard Drive | Used | $546 free ship | View on eBay |
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WD DC HC550 18TB WUH721818ALE604 0F38453 7.2K RPM SATA 6Gb/s 512e 3.5" HDD | Excellent - Refurbished | $549 free ship | View on eBay |
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WD Ultrastar DC HC550 18TB 7.2K SAS 12Gb/s 512MB 3.5in HDD WUH721818AL5204 offers | Used | $550 free ship | View on eBay |
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Western Digital Ultrastar DC HC550 18TB 3.5" SAS 12Gbps HDD | Open box | $550 + ship? | View on eBay |
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Western Digital WD Ultrastar DC HC550 18TB 3.5" SAS 12Gbps HDD | Open box | $550 + ship? | View on eBay |
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WD Ultrastar DC HC550 WUH721818ALE604 18TB 7200RPM 3.5" P/N:0F38453 Enterprise | Used | $550 + ship? | View on eBay |
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WD Ultrastar DC HC550 18TB WUH721818ALE6L4 0F38459 7.2K RPM SATA 6Gb/s 3.5" HDD | Excellent - Refurbished | $559 free ship | View on eBay |
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WD Ultrastar DC HC550 18TB WUH721818ALE6L4 0F38459 7.2K SATA 6Gb/s 3.5" HDD | Excellent - Refurbished | $579 free ship | View on eBay |
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WD Ultrastar DC HC550 18TB 7.2K SATA 6Gb/s 512MB 3.5" HDD WUH721818ALE6L4 NEW offers | Open box | $609 free ship | View on eBay |
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WUH721818ALE6L4 Western Digital DC HC550 18TB SATA 7.2KRPM 6GB/s 3.5" Hard Drive offers | Used | $610 free ship | View on eBay |
About these prices
These are asking prices of active fixed-price and best-offer listings from US sellers, item plus shipping (sales tax excluded), checked twice daily. We drop listings whose titles mention parts, damage, untested or non-working condition, lots, bundles, accessories and mismatched models or capacities, plus anything priced far below the pack. Always read the listing before buying. Sellers' spec fields are often wrong — check the model and capacity in the photos.