SKU: 77344817655

HGST Ultrastar He12 HUH721212AL4200 12 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)

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Description

HGST Ultrastar He12 HUH721212AL4200 12 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)Meet the HGST Ultrastar He12, a high capacity, enterprise grade hard drive engineered for data centers facing relentless data growth. With a monumental 12 TB capacity in a robust 3. 5 inch form factor and a 12Gb s SAS interface, this drive is designed to deliver reliable performance for the most demanding workloads. The He12 HDD blends PMR technology with a helium filled design to maximize storage density, improve energy efficiency, and extend drive

Meet the HGST Ultrastar He12, a high-capacity, enterprise-grade hard drive engineered for data centers facing relentless data growth. With a monumental 12 TB capacity in a robust 3.5-inch form factor and a 12Gb/s SAS interface, this drive is designed to deliver reliable performance for the most demanding workloads. The He12 HDD blends PMR technology with a helium-filled design to maximize storage density, improve energy efficiency, and extend drive life in mission-critical environments. Optimized for virtualization, analytics, backups, archiving, and hyperscale deployments, it lays the foundation for resilient, scalable storage infrastructure that can adapt to evolving data requirements. Whether deployed in rack-mount arrays, backplanes, or direct-attached storage, the Ultrastar He12 is built to handle sustained workloads while maintaining predictable performance and enterprise reliability.

  • 12 TB enterprise storage capacity ideal for primary data, backups, archives, virtualized environments, and large-scale data lakes. This high-capacity HDD helps consolidate workloads and reduce the number of drives needed in complex storage ecosystems.
  • Helium-filled design with PMR technology delivers higher areal density and improved power efficiency, enabling greater capacity within a traditional 3.5-inch form factor without compromising reliability or endurance.
  • SAS 12Gb/s interface offers fast, reliable connectivity and compatibility with modern backplanes, host bus adapters, and storage arrays. It provides the bandwidth and feature set needed for demanding workloads and data-center deployments.
  • Enterprise-grade reliability for data centers and hyperscale environments, supporting workloads up to 550 TB per year and designed for continuous operation in multi-drive configurations, RAID arrays, and JBOD setups.
  • Drop-in ready, 3.5" internal drive with proven compatibility in a wide range of enterprise storage solutions, from server closets to large-scale data centers, delivering consistent performance and long-term value.

Technical Details of HGST Ultrastar He12 HUH721212AL4200 12 TB Hard Drive

  • Capacity: 12 TB
  • Form factor: 3.5-inch internal hard drive
  • Interface: SAS 12Gb/s
  • Technology: PMR with helium-filled enclosure for high density and efficiency
  • Spindle speed: 7200 RPM (enterprise-grade performance for sustained workloads)
  • Cache/buffer: enterprise-class cache designed to accelerate data access and sequential throughput
  • Workload rating: up to 550 TB/year, suitable for data centers, virtualization, and analytics workloads
  • Target environments: data centers, servers, storage arrays, and backplanes requiring reliable, scalable storage

how to install HGST Ultrastar He12 HUH721212AL4200 12 TB Hard Drive

Installing the Ultrastar He12 is straightforward in any system that supports 3.5-inch SAS drives. Follow these best-practice steps to ensure a smooth, reliable installation:

1) Power down the server or storage appliance and unplug it from the power source. Disconnect any network or management cables as needed, and follow your facility’s safety procedures for handling hardware components.

2) Locate an available 3.5-inch drive bay compatible with SAS backplanes or a standard enterprise drive tray. Remove the existing drive, if applicable, by releasing the latch or screws according to your system’s maintenance procedure.

3) Insert the HGST Ultrastar He12 into the drive tray or bay, ensuring the drive’s connectors align with the backplane or SAS controller. Secure the drive with the appropriate screws or latches to minimize vibration and ensure solid thermal contact.

4) Reconnect the drive backplane or SAS controller cables and reinstall the drive tray into the chassis. Ensure all connections are firm and that the backplane recognizes the new drive during POST or system boot.

5) Power on the system and use the server’s RAID controller, storage management utility, or operating system tools to initialize, format, and assign the new drive. Configure it within your RAID array or storage pool as required by your workload, applying appropriate redundancy, hot-spare strategies, and performance settings to meet service-level objectives.

Frequently asked questions

  • Q: Is this drive internal or external? A: This is an internal 3.5-inch SAS hard drive designed for enterprise storage enclosures, servers, and backplanes.
  • Q: What technology does it use? A: It employs PMR (permanent magnet recording) with a helium-filled enclosure to enable higher storage density and improved efficiency in data-center environments.
  • Q: What workloads is it designed for? A: The Ultrastar He12 is built for enterprise workloads up to 550 TB/year and is well-suited for virtualization, data analytics, backup and recovery, archiving, and large-scale storage deployments.
  • Q: What interface does it use? A: It features a SAS 12Gb/s interface for fast, reliable data transfer and compatibility with modern storage backplanes and controllers.
  • Q: Is it compatible with standard 3.5" drive bays? A: Yes, it is designed for standard 3.5" enterprise drive bays and backplanes, enabling straightforward integration into existing infrastructure.
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SKU: 77344817655

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Amazon Customer
Los Angeles, US
★★★★★ 5
Great buy
Size: Large (Pack of 1), Product Packaging: Standard Packaging
Definitely recommend. My new rescue has chewed though I can’t even tell you how many “indestructible” toys in under 10 minutes. Not this! We’ve had it a few days and she loves it. Hasn’t chewed through it at all and it literally keeps her busy for an hour at the minimum. Would buy again. Great quality for the price and made to last. Perfect for aggressive chewers.
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Reviewed in the United States on April 8, 2026
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DEBI AHRENS
Fort Morgan, US
★★★★★ 5
My Rottweiler tries to get the extra large broke in half treat out for hours.
Size: Large (Pack of 1), Product Packaging: Standard Packaging
This is super tough and super great.
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Reviewed in the United States on June 4, 2026
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D. Styler
Omaha, US
★★★★★ 5
Great for Slowing Down Snack Time
Size: Large (Pack of 1), Product Packaging: Standard Packaging
My dog, an English Lab, is a voracious chewer, and destroys most toys in a matter of seconds. He also swallows most snacks without even chewing, and finishes meals in record time. It takes him about 20 minutes to get everything out of the Kong, and since I hide it somewhere on our property, he also takes several minutes to find it. He seems to really love the challenge, and it’s nice to have him take more time with a snack. I tried the Kong Easy Treat to seal the toy, but I find peanut butter works just as well (especially when frozen after being filled and sealed), and it’s cheaper and easier to use.
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Reviewed in the United States on May 12, 2026
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Jbo
Bozeman, US
★★★★★ 5
This product actually lives up to the title of indestructible.
Size: Large (Pack of 1), Product Packaging: Standard Packaging, Size: Large (Pack of 1), Product Packaging: Standard Packaging
This is the only toy I've had which my dog hasn't destroyed in minutes. I have had a few others that will at least last a few months, but Kong extreme has held up over the years. I like the fact that I can stuff it with treats, bits of other "indestructible" toys and seal it up with peanut butter, then pop it in the freezer to give her an extra 15 minute challenge. I have a couple so I can clean one while she's busy with the other. This size seems to be the best for a ~90lb. dog, the large end being roughly the same size as a tennis ball, which she loves as well.
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Reviewed in the United States on June 9, 2026
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Eden Rose Bowling
Boise, US
★★★★★ 4
Great product but choose a size or two up
Size: Large (Pack of 1), Product Packaging: Standard Packaging
Nice quality toy for long lasting and engaging play! One star docked for the sizing—I don't usually expect to need an xl anything for my 45lb border collie but he cant even fit his canine teeth into the large size to ease the jerky reward out in "hard" position but "easy" position he doesn't even tough the toy just grabs the jerky. Got an XL and it has been great for the jerky both easy and hard positioning. The larges I keep around for liquidy and frozen treats to keep the mess contained and they work very well for that.
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Reviewed in the United States on July 12, 2025

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