November upgradesDiscover JS6 picks for work, play and everyday life. Through November 30.

Shop November picks

WD Red Pro 18TB NAS SATA Hard Drive

WD Red Pro 18TB NAS SATA Hard Drive (WD181KFGX). 18TB internal 3.5-inch SATA NAS hard drive. Match WD181KFGX to the NAS supported-drive list and planned RAID capacity.

$1,068.99

In stock

Brand
Western Digital
Weight
1.65 lb
Request a quote

Shipping calculated at checkout. Final sale: no change-of-mind returns. Exceptions apply for eligible defects, damage and legal rights. Read our return policy.

  • Tech for Everyday Life
  • Secure Checkout
  • Build Your Setup
  • U.S. Delivery
  • Friendly Order Support
  • Brands You Know

Product details

Description and specifications

WD Red Pro 18TB NAS SATA Hard Drive (WD181KFGX). 18TB internal 3.5-inch SATA NAS hard drive. Match WD181KFGX to the NAS supported-drive list and planned RAID capacity.

Specifications and features

  • Brand: Western Digital
  • Manufacturer part number: WD181KFGX
  • Capacity: 18TB
  • Format: NAS Hard Drives
Technical specifications
Capacity 18 TB
Cache Size 512 MB
Disk Speed (RPM) 7200rpm
Interface SATA

Compatibility and setup

Check the NAS manufacturer drive compatibility list, supported capacity, RAID plan and bay size. This is an internal drive, not a USB external drive.

Frequently asked questions

Is WD181KFGX an internal NAS drive or a USB external drive?

WD Red Pro 18TB NAS SATA Hard Drive is an internal 3.5-inch SATA hard drive. Install it in a compatible NAS bay or SATA system; a USB connection requires a separate compatible enclosure.

Will this 18 TB WD drive work in my NAS?

Check WD181KFGX against the NAS manufacturer’s supported-drive list and capacity limits. The SATA connection and 3.5-inch bay must match; RAID capacity and rebuild behavior also depend on the enclosure and other drives.

Does WD181KFGX use CMR recording?

The specification for WD181KFGX identifies CMR recording. Match the complete model number when comparing WD Red, Red Plus and Red Pro drives.

Does RAID replace a separate backup?

No. RAID can provide drive redundancy, but it does not protect against every accidental deletion, malware incident or system failure. Keep a separate backup of important files.

Need help choosing?

Send us your device model and the setup you want to build. Speak with JS6 customer service on WhatsApp or contact our team for product guidance.

Model and supplier details

Catalog details for WD Red Pro 18TB NAS SATA Hard Drive
Identity
BrandWestern Digital
Product typeNAS Hard Drives

Similar products

Explore more products from this category.

View category

Tell us what you need.

One item or a whole team. Share your device, quantity or setup and we’ll help you find the right fit. The product is already filled in below.