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Description
WD Gold WD221KRYZ 22 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) MethodYour data is gold. When your business relies on constant access to vast libraries of files, databases, backups, and virtualized workloads, you need storage that blends capacity, reliability, and performance without compromise. The WD Gold WD221KRYZ 22 TB internal hard drive is built for enterprise environments that demand the absolute best in durability and consistent performance. This 3. 5 inch drive uses Conventional Magnetic Recording (CMR) to
Your data is gold. When your business relies on constant access to vast libraries of files, databases, backups, and virtualized workloads, you need storage that blends capacity, reliability, and performance without compromise. The WD Gold WD221KRYZ 22 TB internal hard drive is built for enterprise environments that demand the absolute best in durability and consistent performance. This 3.5-inch drive uses Conventional Magnetic Recording (CMR) to deliver steady, predictable throughput across sustained workloads, making it a dependable backbone for data centers, server rooms, and high-demand NAS deployments. With capacities ranging from 1 TB to 22 TB, the WD Gold family is engineered to scale with your business, providing a clear path to higher density storage as your needs grow. In the 20 TB and 22 TB models, OptiNAND technology helps maximize capacity while preserving reliability and performance, ensuring you get more usable space per drive without sacrificing data integrity. If you’re building a robust storage infrastructure that can handle long-term uptime, mixed workloads, and critical data, WD Gold is designed to deliver.
- Enterprise-grade reliability and performance: WD Gold drives are engineered for demanding data-center workloads, delivering consistent performance under long-running, mixed I/O operations and high sequential transfers.
- Massive capacity with scalable growth: 22 TB of storage in a single drive enables fewer spindles, simplified cabling, and easier capacity planning for growing databases, backups, virtualization, and archives.
- OptiNAND technology in higher capacities: The 20 TB and 22 TB models feature OptiNAND technology to maximize density and efficiency, delivering higher usable capacity alongside strong reliability and endurance.
- 3.5-inch form factor with SATA 6 Gb/s interface: Standard, widely supported in servers, workstations, storage arrays, and consumer-NAS setups that require enterprise-grade drives with broad compatibility.
- Long-term value and security: Built to endure demanding environments, these drives typically come with a robust warranty and firmware designed to protect data integrity even under aggressive workloads.
Technical Details of WD Gold WD221KRYZ
- Capacity: 22 TB
- Interface: SATA 6 Gb/s (SATA/600)
- Form factor: 3.5-inch internal hard drive
- Recording technology: Conventional Magnetic Recording (CMR)
- Workload and reliability: Enterprise-class HDD designed for demanding storage environments with high uptime expectations
- Warranty and durability: Typically backed by a multi-year limited warranty, reflecting WD Gold’s commitment to data integrity and long-term serviceability
- Special technology: OptiNAND technology featured in higher-capacity Gold models (20 TB and 22 TB) to optimize density, performance, and reliability
how to install WD Gold WD221KRYZ
Installing this 22 TB drive is straightforward in compatible systems. Follow these steps to ensure proper recognition and optimal performance:
- Power down the system and prepare a clean, static-free workspace.
- Verify that your server, workstation, or NAS supports 3.5-inch SATA drives and that there is an available drive bay compatible with hot-swap configurations if your chassis supports hot-swapping.
- Mount the WD Gold WD221KRYZ securely in the appropriate bay using screws or the chassis’ drive sleds, ensuring the connector alignment is correct.
- Connect the SATA data cable to the drive and to an available SATA port on the motherboard or backplane, and connect the power cable from the PSU or backplane power supply.
- Power on the system and enter the BIOS or UEFI to confirm the drive is detected. If your setup uses a storage controller or backplane, verify that the drive is recognized by the controller as well.
- Within your operating system, initialize and format the drive as needed. For servers and NAS devices, this may involve creating a new volume, assigning a drive letter or mount path, and configuring any necessary RAID or storage pool settings.
- Run a quick health check and, if applicable, perform a firmware update to ensure you have the latest enhancements and reliability fixes from WD.
- Document the installation for your IT records, including drive serial numbers, model, and assigned workloads to simplify future maintenance and warranty support.
Frequently asked questions
- What is the WD Gold WD221KRYZ best used for? It is designed for enterprise environments that require high-capacity storage with reliable performance for data centers, virtualization, backups, archival storage, and demanding workloads. It balances density and endurance with a SATA interface to integrate into standard server and NAS ecosystems.
- What is OptiNAND technology and why does it matter for 20 TB and 22 TB models? OptiNAND is WD’s technology integration intended to maximize storage density and reliability in high-capacity drives. In the 20 TB and 22 TB WD Gold models, OptiNAND helps deliver higher usable capacity while maintaining data integrity and sound performance under heavy workloads.
- What about reliability and warranty? WD Gold drives are built for enterprise reliability. They typically come with a substantial warranty period and firmware designed for data integrity during continuous operation, long workloads, and multi-user access patterns.
- Is this drive suitable for a NAS or storage array? Yes. The WD Gold 22 TB drive is compatible with many enterprise NAS and storage array configurations that support 3.5-inch SATA drives, offering high capacity and dependable operation for shared storage pools, backups, and virtualization hosts.
- How do I maximize performance with this drive? Ensure your system uses a compatible SATA 6 Gb/s interface, provide adequate power and cooling for sustained workloads, and consider grouping drives in a properly configured storage pool or RAID array to balance throughput, redundancy, and capacity according to your workload profile.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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- Delivery to the USA:
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- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Perfect for Training (Swimming) Purposes.... 5 Star for what it does as a training watch!
Color: Black/Yellow
This is already my 2nd TIMEX which I use for my swimming practices..
This one beats the older model (Timex 51931 Ironman Triathlon) with some interesting changes:
1) The larger digits on this model makes it easier to read the numbers (as some mentioned to do so when running) even when I am swimming, with a quick flick of the wrist at the turn, it's possible to see the minutes and the seconds.... The older model had smaller number, thus not making it possible to do this.
2) The navigation on this model became quite easier. It was already easy on the older model but this one included instructions on screen, such as NEXT, DONE, + or - in order to advance with your practices and training... Plus a chance to change the way you want to see the information of the your laps (Laps in the big digits and splits at the smaller one, or the oposite)
A Real nice add on by TIMEX.
3) A simple but effective wrist band "clip" (the tiny piece of strap that attachs the "extra" wrist band that is left after you put the clock on)
It has a piece of rubber on the inside that locks on at the wrist band and does not make it loose or even letting it go as some other watches do sometimes. This is more effective underwater I think, as it remains the way you set your wrist, as the older model I had did not quite held in place all the time.
4) Plenty of memory (100 laps is really a nice number), maybe more then most will need but, as a swimmer I use to count splits over 100m (or yards) with many laps during one training... It is quite usefull. I go easily on 10 to 15 laps of the memory in one training.
And with the date feature, that reminds when you did these times, it is quite usefull to keep track on the training with a spreadsheet, for instance... (as I do !)
5) A really big START/SPLIT buttom that is great to press when I am swimming laps and have to press myself at each turn at the pool.
Just perfect. Never a miss !
And the feature which was already at most of the models, of the repeat countdown, and the start of a chrono, or a repeat (what I use the most) in order race agains your average rhitym inside a certain time frame that you can set it up ! And of course the flix technology, which is very good to have it... Just flick your wrist (when you set it to ON) and it will show you at night all info that you need.
It is another great watch from TIMEX and it deserves a look, specially for the price. It is worth to pay a bit more if you are like me and uses a lot of the memory for the laps on swimming pool. Maybe for runners it can be quite a lot of memory, but the price difference is worth the change, for some of the options mentioned at this review.
This is a really good watch to have..
Will you definatelly like as we all are at these reviews.
:-) It deserves the 5 stars rating !
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Reviewed in the United States on January 10, 2009
★★★★★ 5
Great sports watch.
Color: Black/Yellow
I have to admit to being a bit of a watch fiend, having one for almost everything I do, but this is one of the most useful, yet cheaper priced items I've come to enjoy. When I work out I like as much information as I can get, so for running and biking I have a watch for that, but for swimming I needed a watch to help me count my laps and log my times. The Timex Ironman 100-lap watch does this quite well. I first got a Timex 50-Lap watch that I was able to find locally, but 50 laps is very limiting so when I found this watch for less money and a bigger face that had the lap/split time and lap number on the screen at all times I knew I had a great product. When you're finished with your laps just save your workout. The watch will then calculate some information like average lap time and best lap. I haven't completely messed with their data, but I think they average your times by throwing out the lap times that are the outliers, which is good for the accidental laps where you hit the wrong button, but it's not as great when you did a few sprint laps and they don't show up as your best time. If your best time isn't on there you can still recall it by going through each lap individually, but I think my sprint laps sometimes aren't listed as my best laps. I haven't messed with this feature much because it isn't important to me, and removing the outliers is good for looking at your actual pace. I have been able to push myself a bit more in the pool by having actual numbers to compare, which is very helpful. The other features on this watch I haven't used much, but for someone who can't afford a GPS watch and can use maps or a track this watch would be great for running or anything with laps or intervals.
It has up to 9 interval timers and once finished it can either stop or repeat the sequence. It can do what's called chrono at the end, where it just switches to the chronograph feature after your timer or interval timers are finished. Overall this is a great watch and for most people who enjoy doing anything with laps look no further.
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Reviewed in the United States on July 5, 2012
★★★★★ 5
Take licking and keeps on ticking
Color: Black/Green
I think it looks great. I love Timex in the summer time when I go swimming. You don't have to worry about it. 🌞🌧🥶
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Reviewed in the United States on May 17, 2026
★★★★★ 4
Well thought-out features. Hopeful that the seals hold on this newer variant of the Classic 100.
Color: Black/Green
6 years ago, I tried my first variant of the Classic 100. The features were mostly, as expected, but the unit failed a short while into usage. This was disappointing, because the classic 50 had been a reliable goto until my last classic 50 started to fail this month.
The current classic 100 variant arrived in a damaged box, but the watch appeared to have no physical damage. All functions operated as expected, save for the audible alarms, and beeps. Amazon/Timex offered to discount or replace. As I need the audibles for specific workouts, and daily meds, I opted for the replacement.
I'm a day into the replacement and am very satisfied with the purchase. So far, it exceeds the classic 50 in many functions, but I am still partial to the button feel of the older unit. I've made it through a swim workout with no adverse performance. I'm hopeful that the current variant proves to have more reliable seals than the earlier model that I tried. If so, this is a worthy upgrade to the classic 50.
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(Details from 2020 purchase)
Over the last 15 years, I've purchased several ironman watches for a variety of workouts and incorporation into timed/scheduled home and work activities. Until this 100-lap model, all others worked great and continued to work well beyond the band failure (yeah, count on it) after 3 or 4 years.
For this model, the indiglo stopped working within 3 months and now, 11 months in, the watch has fully reset 3 times unprompted during the past 2 weeks. This is fairly aggravating since it made me late for an appt on one failure and on another wiped out a number of workouts that I was tracking for an upcoming tri. Visibly, the watch looks new, no marks, no apparent moisture, but it has now proven itself to be thoroughly unreliable. This is very sad, because I found multiple uses for each of the features included in this model, and I had even adjusted to operating the very stiff split and stop buttons during swim/bike/run sessions.
I gave this model 3 stars on water resistance, because I have no evidence either way as to whether this or the stiff buttons had anything to do with its failure.
I'm going back to the 50-lap version. If I see a hint of non-band related problems with that, I'll have to assume that Timex is no longer in the business of making ironman watches for athletes.
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Reviewed in the United States on May 28, 2019
★★★★★ 5
Ironman 100
Color: Black/Green
Great watch, as a trainer it has everything you need if you don’t want to be distracted with notifications. Best part is the interval timers & stop watch. It did come with the indiglo button rolling around in the box… I popped it back on and it seems secure now… we’ll see. I have 2 Ironman 30’s and they are awesome as well… just doesn’t have the interval timer like the 100 series.
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Reviewed in the United States on February 21, 2026