Western Digital

Western Digital WD181KFGX – 18TB SATA 6Gb/s | 7200 RPM | 3.5" | WD Red Pro NAS Hard Drive

$688.75

Brand New, Factory Sealed | In Stock | Bulk Orders Available

The Western Digital WD181KFGX WD Red Pro is an 18TB professional NAS hard drive featuring a 7200 RPM spindle, 512MB cache, SATA 6Gb/s, HelioSeal helium-fill, and CMR recording for demanding 8–24 bay NAS deployments. NASware 3.0 firmware tunes RAID error recovery, vibration compensation, and I/O scheduling for professional NAS workloads including video surveillance, collaborative media editing, and enterprise file serving, delivering up to 272MB/s sustained throughput. Compatible with Synology, QNAP, Netgear, and Buffalo large-bay NAS platforms, as well as enterprise SATA RAID arrays, it carries a 300TB/year workload rating and 1M-hour MTBF. The HelioSeal design enables 18TB density while maintaining lower thermal output and reduced power consumption.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Western Digital
  • Model: 18TB SATA 6Gb/s
  • Capacity: 18TB
  • Interface: SATA 6Gb/s
  • RPM: 7200
  • Cache: 512MB
  • Form Factor: 3.5"
  • Recording: CMR
  • Workload Rating: 300TB/yr
  • MTBF: 1M hours
  • Design: Helium-Filled HelioSeal
  • Shipping: Free domestic US shipping
  • Warranty: Manufacturer warranty
  • Condition: Brand New, Factory Sealed
Product Features
  • HelioSeal helium-filled design
  • NASware 3.0 professional firmware
  • CMR recording for all RAID levels
  • 512MB large buffer cache
  • 300TB/year workload rating for demanding storage workloads
  • Up to 272MB/s sustained throughput
  • Brand new, factory sealed with full manufacturer warranty
  • Free domestic US shipping included
  • Volume and B2B pricing available for qualified buyers
Compatibility
  • Synology large-bay DiskStation / RackStation
  • QNAP high-density NAS (8-bay+)
  • Netgear ReadyNAS Pro
  • Buffalo TeraStation Pro Series
  • SATA enterprise RAID controllers
  • Direct-attach storage arrays
Shipping & Returns
  • Free Shipping: We currently offer free Economy Shipping within the continental U.S. with no minimum order required. Expedited shipping is available at standard carrier rates.
  • Same-Day Shipping: Order placed before 2PM PST will ship the same day. Orders received after this time will ship the following business day.
  • Hassle-Free Returns: If you're not completely satisfied with your purchase, simply return it within 10 days for a hassle-free refund or exchange.

Why Choose the WD Red Pro 18TB

WD Red Pro 18TB — Maximum NAS Capacity

The WD Red Pro WD181KFGX delivers 18TB of professional-grade NAS storage in a HelioSeal helium-filled design optimized for 8–24 bay enclosures. With NASware 3.0, CMR recording, a 512MB cache, and 272MB/s throughput, it handles demanding professional NAS workloads with the reliability modern deployments demand. Available brand new and factory sealed from Anand International with free domestic shipping and bulk B2B pricing.

18TB Capacity

18TB per drive delivers industry-leading per-bay density to maximize ROI in large-bay professional NAS enclosures.

HelioSeal Efficiency

Helium-sealed design achieves 18TB capacity with lower operating temperature and reduced power consumption per terabyte.

272MB/s Throughput

Up to 272MB/s sustained sequential transfer rates support high-bitrate video surveillance and concurrent media workflows.

Pro NAS Firmware

NASware 3.0 specifically tunes RAID rebuild, error recovery, and vibration response for 8–24 bay professional NAS deployments.

CMR Trustworthy

CMR recording ensures predictable, reliable RAID performance and safe long-term data storage across all NAS RAID levels.

Frequently Asked Questions

Frequently asked questions for SATA, including information on usage, configuration, and compatibility.

1. Are these items brand new?

Unless otherwise clearly stated in the product listing, all items sold by Anand International Inc. are brand new and factory sealed. Where applicable, listings will clearly indicate if an item is used, refurbished, or factory recertified, and will describe the condition in detail.
2. Is this drive compatible with my NAS enclosure?

This drive is compatible with most major NAS brands including Synology, QNAP, Western Digital, and Seagate NAS enclosures. We recommend verifying against your enclosure manufacturer's compatibility list for your specific model.
3. Do you offer bulk or wholesale pricing?

Yes. Contact us directly for volume pricing on orders of 5 or more units. We work with IT departments, resellers, and system integrators.
4. What warranty is included?

All items sold by Anand International Inc. are brand new and factory sealed unless otherwise stated. Most carry the manufacturer's original warranty. In cases where we source factory OEM product without a manufacturer warranty, we provide a direct 90 day warranty through Anand International Inc. covering defects in materials and workmanship.
5. How is this item shipped?

All items are shipped in anti-static packaging with appropriate cushioning to prevent damage in transit. Most orders ship within 1–2 business days.