Seagate Exos X20 18TB ST18000NM003D 7.2K RPM SATA 6Gb/s 512e 3.5" Enterprise HDD
Seagate · eBay · serverpartdeals
Price
$399.00
Free shipping
18 TB · per TB
$22.17/TB
From our price history · since Sep 2026
Above typical79% of the 860 Internal HDD listings this site has logged went for less than this at their best
Typical: $17.50/TB · Lowest ever logged: $5.40/TB on Oct 8, 2026
Every time this tracker refreshes, the site records every listing it finds. These numbers compare this listing to all of them, each at the best price it reached. It's our own data, not copied from another site.
18TB hard drive price history → typical price, lowest we've seen and a daily chart
Right now · #35 lowest $/TB of 44 Internal HDD listings in the tracker today · 23% above today's median ($18.00/TB)
Specs
- Brand
- Seagate
- Model
- ST18000NM003D
- Product line
- EXOS X
- Capacity
- 18 TB
- Interface
- SATA
- Form factor
- Internal 3.5"
- Recording
- CMR
- Read speed
- 285MB/s
- Spindle speed
- 7200 RPM
- Cache
- 256 MB
Listing details
- Condition
- Used
Fully Tested - may show minor SMART attributes from enterprise use. Capacity and performance unaffected. 90 Day Seller Warranty. - Store
- eBay
- Seller
- serverpartdeals (17,627 ratings, 99.9% positive) Top Rated
- Format
- Buy It Now
- Shipping
- Free shipping
Est. delivery Nov 10 – Nov 12 - Ships from
- Sanford, Florida, US
- Returns
- Accepted within 30 calendar_days · seller pays return shipping
- Quantity
- 50 sold · 1 available
- Listed
- Jul 18, 2025
- eBay category
- Computers/Tablets & Networking › Drives, Storage & Blank Media › Hard Drives (HDD, SSD & NAS) › Internal Hard Disk Drives
- Tags
- TopRatedPlus, ReturnsAccepted, TrustedSeller
- Price checked
- Nov 5, 2026 6:08 PM CST
Item specifics from the listing
- Type
- Internal Desktop Drive
- Form Factor
- 3.5 in
- Interface
- SATA III
- Features
- Helium-sealed design, Idle Power Management, Power Efficiency Optimization, Digital environmental sensors
- Color
- Silver
- Product Line
- Exos X20
- Compatible With
- Desktops, Servers, NAS
- Model
- ST18000NM003D
- Unit Quantity
- 1
- Unit Type
- Unit
- Drive Type(s) Supported
- HDD
- Storage Capacity
- 18TB
- Rotation Speed
- 7200 RPM
- Cache
- 256 MB
- Storage Format
- HDD Only
- Country of Origin
- Thailand
- Read Speed
- 285MB/s
- Transfer Rate
- 6Gb/s
- Warranty
- 90 Days Seller
- Recording Technology
- CMR
- Hours
- Fully Functional - SMART Attributes Present
- MPN
- ST18000NM003D, 3DL103-881
- Brand
- Seagate
Seller's description
ServerPartDeals Visit Store Seagate Exos X20 18TB ST18000NM003D 7.2K RPM SATA 6Gb/s 512e 3.5" Enterprise HDD ADDITIONAL INFORMATION Technical Specifications Brand Seagate Model ST18000NM003D Interface SATA III Storage Capacity 18TB Form Factor 3.5 in Cache 256 MB Rotation Speed 7200 RPM Recording Technology CMR Read Speed 285MB/s Transfer Rate 6Gb/s Product Condition Fully Functional - SMART Attributes Present Warranty Information 90 Days Seller Product Description Key Features Model: ST18000NM003D - Exos X20 -- 18TB SATA 3.5 Hard Drive Interface: SATA 6Gb/s with 7.2K RPM spindle speed for reliable high-throughput performance. Performance: Sustained data transfer rate up to 285 MB/s Recording Technology: CMR for reliable performance and compatibility Features: Helium-sealed design, Idle Power Management, Power Efficiency Optimization, digital environmental sensors Ideal Applications Enterprise servers & storage arrays Cloud & hyperscale deployments Backup & archiving solutions Big data and analytics workloads Fully Tested - may show minor SMART attributes from enterprise use. Capacity and performance unaffected. HIGH QUALITY Every Refurbished and Recertified drive is tested in house for quality FAST SHIPPING Free two day shipping within the continental U.S. CONTACT US If you need assistance, please contact us. FEATURED PRODUCTS WL OEM 16TB 7.2K RPM SAS 12Gb/s 3.5" HDD - Comparable to ST16000NM002G $379.00 WL OEM 16TB 7.2K RPM SAS 12Gb/s 3.5" HDD - Comparable to ST16000NM002G $329.00 Toshiba 14TB MG07 MG07ACA14TEY 7.2K RPM SATA 6Gb/s 512e 3.5" Enterprise HDD $379.00 Seagate Exos X16 16TB ST16000NM002G SAS 12Gb/s 512e 3.5" Enterprise Hard Drive $419.00 Dell 12TB 7.2K RPM SAS 12Gb/s 512e 3.5" HDD 0M1C0T G16 $499.00 Dell 12TB 7.2K RPM SAS 12Gb/s 512e 3.5" HDD 0M1C0T G13 $45…
Excerpt in the seller's own words, formatting removed. The full listing has the complete text and terms.
Price history for this listing
First seen Sep 13, 2026 · lowest $399.00 · highest $459.00 · 19 days of data
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Pricing data courtesy of PricePerGig.com; listing details from eBay, refreshed every few hours. Prices and availability change fast, so the retailer's own page is always the final word.