When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
HGST WD Ultrastar DC HC520 12TB Enterprise SAS Hard Drive
Upgrade your enterprise storage with the HGST WD Ultrastar DC HC520 12TB SAS hard drive, engineered for high-capacity, mission-critical workloads. Designed for data centers, servers, and storage arrays, this drive delivers exceptional reliability, sustained performance, and enterprise-grade durability. With a 7200RPM spindle speed, 12Gb/s SAS interface, and 3.5-inch form factor, it is ideal for large-scale storage, cloud infrastructure, and archival applications.
🔴 IMPORTANT COMPATIBILITY NOTE
⚠️ This is a SAS hard drive and is NOT compatible with Desktops, Laptops, DVRs, Gaming Consoles, or any system that uses SATA-only hard drives.
A SAS controller and compatible 3.5” SAS bay are required.
🔹 Key Features & Benefits
✔ 12TB Storage Capacity – Massive capacity for data-heavy enterprise environments
✔ 12Gb/s SAS Interface – High-speed, dual-port enterprise connectivity
✔ 7200RPM Performance – Reliable throughput for demanding workloads
✔ 3.5-Inch Form Factor – Standard enterprise/server deployment
✔ HGST Ultrastar Series – Industry-leading reliability and endurance
✔ Designed for 24/7 Operation – Built for continuous data center use
✔ Certified Refurbished – Fully tested and restored to factory performance standards
🔹 Compatibility
✔ Enterprise Servers with SAS Controllers
✔ RAID Storage Arrays
✔ SAN / NAS Environments
✔ Cloud & Data Center Infrastructure
✔ Dell, HP, Lenovo, Supermicro Servers (with SAS support)
🔹 Certified Refurbished – What This Means for You
✅ Professionally inspected, tested, and cleaned
✅ Fully functional and restored to original performance standards
✅ Backed by a 1-Year Allstate Warranty via
✅ Ships in secure, premium packaging
✅ Guaranteed like-new condition with full functionality
🔹 Server Surplus Policy
At Server Surplus, we specialize in enterprise-grade storage solutions you can trust. Every hard drive undergoes rigorous testing to ensure reliability, compatibility, and performance before shipment.
💼 Why Buy from Server Surplus?
✔ Trusted Enterprise Hardware Reseller
✔ Expert Support for Compatibility Questions
✔ Fast & Secure Shipping
✔ Fully Tested, Guaranteed Performance
