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Seagate ST4000NM0025 4TB SAS 3.5" HDD
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Seagate ST4000NM0025 4TB SAS 3.5" HDD
Price: US $49.99
Powered by Frooition Welcome to Sunnking Sustainable Solutions Your experts for refurbished and open box electronics-save big! SHOP NOW Seagate ST4000NM0025 4TB SAS 3.5" Seagate ST4000NM0025 4TB SAS 3.5" HDD Item Description

This Seagate ST4000NM0025 4TB SAS hard drive is designed for continuous 24/7 operation in enterprise servers, home servers, and direct-attached storage systems. It delivers reliable high-capacity storage with a 12 Gb/s SAS interface, 7200 RPM spindle speed, and 128 MB cache for efficient data handling in demanding environments.

Ideal for IT professionals, system builders, and businesses that require dependable storage solutions for data centers, NAS arrays, or backup systems. The drive supports hot-swap functionality and includes a temperature sensor for enhanced monitoring and reliability.

Item Specifics:

  • 4 TB storage capacity
  • SAS 12 Gb/s interface
  • 7200 RPM rotation speed
  • 128 MB cache
  • 3.5 inch form factor
  • Hot-swap capable
  • RoHS compliant
  • Temperature sensor included
  • Conventional Magnetic Recording (CMR)
  • Compatible with enterprise servers, home servers, and DAS

Condition Details:

Cosmetic Grade C6: Used Excellent - Light to moderate wear; clean overall appearance.

Functional Grade F5: Refurbished - Fully tested and verified to operate as intended.


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  • About Us
  • About Us
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  • Customer Us

    Who We Are: Founded in 2000, Sunnking Sustainable Solutions is a leader in electronics reuse, recycling, and resale based in7629 ROUTE 5 AND 20

    7625 Route 5 and 20, Bloomfield NY, 14469-9210

    Our Mission: At Sunnking, our mission is to revolutionize the way electronics are recycled, creating a sustainable future for generations to come. We are committed to providing premier consumer electronics recycling services that not only safeguard the environment but also empower individuals to make responsible choices for the planet.

    What We Sell: Our store features a wide range of refurbished, tested, and resale-ready electronics sourced through our recycling operations.

    Sustainability First: As a certified recycler, we follow strict environmental and safety standards in everything we do.

    Why It Matters: Every purchase helps reduce e-waste and supports a more circular, sustainable Time: Orders ship within 1 business day after payment (excluding weekends and holidays).

    Carriers & Tracking: We use UPS, USPS, or FedEx; tracking is provided once shipped.

    Combined Shipping: Automatically calculated at checkout; contact us for bulk order quotes.

    Sustainable Packaging: Items are carefully packed using recycled materials when possible.

    Freight: Please contact us first before purchasing so we can provide an accurate shipping quote.

    We do not use customer shipping labels or their shipping accounts.

  • Customer Service
    • Customer Service

    Message Response: We respond to messages within 1 business day (MondayFriday). Response times may vary due to high demand.

    Business Hours: Our customer service team is available from 8:00 AM to 4:30 PM EST, excluding holidays.

    Product Support: Need more info or have an issue? Reach out we're happy to assist before or after your purchase.

    Resolution First: If theres a problem with your order, please contact us before leaving response were committed to making it right.

    Sunnking Promise: We value every customer and aim to deliver a smooth, honest, and sustainable buying experience.

    Offers: All offers must be made within the listing. Offers can not be made outside of the platform.

    Local Pickup: Pickup is available, customer must contact us to schedule a time for pickup.

  • Certifications
    • Certifications

    R2v3 Certified: Were certified to the R2v3 (Responsible Recycling) Standard, ensuring safe, sustainable electronics recycling and resale.

    ISO 14001 & ISO 45001: Our operations meet international standards for environmental management and occupational health and safety.

    Data Security: We follow strict data destruction protocols in compliance with NAID AAA Certification and NIST 800-88 guidelines.

    Ethical Practices: Our certifications reflect a commitment to transparency, environmental stewardship, and safe handling of electronic equipment.

    Third-Party Audited: We undergo regular audits to maintain compliance and ensure the highest industry standards are consistently met.

  • Testing
    • Testing

    At Sunnking, all electronics are processed by trained technicians following strict R2v3 standards. This ensures each item is handled responsibly, safely, and with full transparency regarding condition and function.

    -Devices undergo detailed inspection and testing, including data wiping, functionality checks, and component validation.

    -All testing is performed using documented procedures aligned with R2v3 requirements for "Tested for Full Functions" or "Tested for Key Functions" classifications.

    -Products that do not meet functional reuse standards are responsibly recycled or evaluated for parts in accordance with environmental best practices.

    When you buy from us, you're getting more than just valueyoure getting reliability, transparency, and peace of mind, backed by certified processes.

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