### Seagate Constellation ES.3 4TB Enterprise Server Internal Hard Drive (Model: ST4000NM0033) - 7200 RPM
Optimize your enterprise server array, build a high-capacity home storage network cloud (NAS), and protect your critical files with industrial-grade data center redundancy. Up for sale is the pre-owned, high-performance Seagate Constellation ES.3 4TB (4000 Gigabyte) Enterprise Internal Mechanical Hard Disk Drive (Model Designation: ST4000NM0033) built into its heavy-duty structural alloy framework casing. Engineered by a global titan in digital storage technology for true cloud-scale data center environments, this robust enterprise drive core is factory-tested to maintain absolute continuous tracking stability 24/7/365 under massive network workloads.
Featuring a blazing fast 7200 RPM spindle processing speed, a massive 128MB high-speed data cache waiting room, and an advanced enterprise-grade workload lifespan rating, it handles high-density data cycles fluidly without bottlenecking your infrastructure setup.
***THE FORTRESS-GRADE ENTERPRISE ADVANTAGE: Unlike standard home computer hard drives or basic surveillance blocks that shake, overheat, and crash when left running constantly inside multi-drive bays, this specialized enterprise Constellation drive features integrated Rotational Vibration (RV) sensor brains. This allows it to sit safely packed alongside dozens of other spinning drives inside tight server racks or high-density NAS boxes while maintaining crystal-clear data transfer speeds. Sourced from clean corporate server room pulls, this 4TB drive uses a high-speed SATA III 6Gbps connection interface protocol to connect effortlessly to systems. The "Make an Offer" feature is fully enabled for serious trade buyers and IT contractors.***
#### SIMPLE LAYMAN GUIDE - HOW THIS ENTERPRISE HARD DRIVE EMPOWERS YOU
You do not need to be an advanced network database architect or a certified IT systems mechanic to swap out an internal hard drive. Here is how this component functions in simple terms:
1. Massive 4000GB (4TB) Digital Capacity: Stop running out of memory room. Packing a huge 4TB of raw internal storage space, this drive gives you massive room to safely back up thousands of high-definition movies, complete family photo albums, media systems, and document history completely offline.
2. Blazing Fast 7200 RPM Enterprise Speed: Cheap internal hard drives spin slowly at 5400 RPM, causing systems to freeze or files to transfer painfully slow. This industrial drive spins at a fast 7200 RPM with a double-sized 128MB memory cache, loading, saving, and moving giant movie folders and backup matrices rapidly.
3. Perfect for Home Clouds and NAS Servers: Building a network storage box (like a Plex Media Server or TrueNAS storage array) that stays awake 24 hours a day? Standard desktop drives will fail rapidly under non-stop usage. This Constellation beast is custom-built to live inside running server racks without wearing out.
4. Universal High-Speed SATA Hookups: No complex tools or custom card configurations required. It houses standard copper interface terminal rails on the bottom panelmeaning it plugs straight flat into standard desktop tower computers, external drive enclosure docks, or network server bays easily.
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#### Key Technical Specifications
* Brand: Seagate Technology Genuine OEM
* Model Lineup: Constellation ES.3 Data Center Enterprise Series (Model: ST4000NM0033)
* Internal Storage Capacity: 4000 Gigabytes (GB) / 4 Terabytes (TB) Raw Digital Workspace
* Mechanical Form Factor: Standard 3.5-Inch Internal Desktop / Server Drive Layout
* Hardware Interface Protocol: High-speed SATA Revision 3.0 Interface (6 Gbps throughput scaling)
* Processing Speed Performance: Fast 7200 RPM Spindle Rotation Core
* Internal Memory Cache: Expansive 128MB High-Speed Data Cache buffer matrix
* Advanced Protection Layout: Integrated Rotational Vibration (RV) sensors for structural balancing across multi-drive bays
* Reliability Metric Framework: 1.4 Million Hours MTBF (Mean Time Between Failures) commercial rating
#### Condition Report
* Data Surface Matrix: 100 percent functional operational condition. S.M.A.R.T. telemetry parameter sweeps pass diagnostics cleanly, exhibiting zero reallocated sectors, perfect data spin-up times, and zero active block read delays. The drive holds health-check confirmation logs.
* Interface Pin Tracks: The physical SATA data track connector block and the 15-pin power supply contact paths are completely straight, polished, and free of oxidation, dust blocks, or loose mechanical play.
* Physical Hard Drive Body: Outer structural alloy plates and data covers are clean, unbent, and pristine with the original gray enterprise factory tracking labels fully intact and legible.
#### Package Includes
* 1 x Seagate Constellation ES.3 4TB Enterprise Internal 3.5-Inch Hard Drive (Model: ST4000NM0033)
#### Terms and Conditions
* Payment must be processed securely through Bob Pay within 48 hours of winning the listing or having a custom trade offer accepted.
* Given the highly sensitive mechanical nature of internal recording platters, the drive will be packaged with extreme care inside specialized anti-static protective film bagging, wrapped in multiple thick layers of high-impact anti-shock protective bubble wrap, and dispatched via courier within 2448 hours of cleared payment to guarantee safe transit.
* Please feel free to check your computer tower or server tray slots to ensure it possesses an open standard SATA connection line before completing your purchase or submitting a trade offer.
