81Y9794 IBM-Lenovo HDD, 3.5 inch, 7,200 RPM, 6 Gb/s, SATA III, internal, hot swap 2TB
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Stock & Prices last updated at:
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Part Specifications
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Select Condition

Stock & Prices last updated at:
19:25 24/05/2025
Order Now Get It Tomorrow!
Product Options
The product options below share the same specifications but come in different sizes, allowing you to choose the size that best fits your space or application requirements, without compromising performance.
Compatible Models
The part number 81Y9794 is fully compatible with the server models listed below, ensuring seamless integration and optimal performance. These models have been tested and verified to support this component, making it a reliable choice for upgrades or replacements.
Compatibility
- System x3550
- System x3650
- System x3650 T
- System x3950
- BladeCenter LS41 (7972-xxx)
- BladeCenter HS21 XM (7995-xxx)
- System x3105 (4347-xxx)
- BladeCenter LS22
- BladeCenter LS42
- BladeCenter QS22
- System x3500 M2
- System x3500 M4
- System x3550 M2
- System x3550 M4
- System x3650 M4
- System x3950 M2
- System x3100 M4 (2582-xxx)
- System x3250 M4 (2583-xxx)
- System x3300 M4
- System x3530 M4
- System x3630 M4
- System x3500 M5
- System x3550 M5
- System x3650 M5
- System x3100 M5
- System x3250 M6
- System x3650 M4 BD
- System x3100
- System x3200
- System x3200 M2
- System x3250 M2
- System x3300 M3
- System x3350
- System x3400
- System x3400 M2
- System x3450
- System x3455
- System x3500
- System x3650 M2
- System x3650 M3HF
- System x3755
- System x3850 M2
- BladeCenter HS21
- BladeCenter LS21
- BladeCenter PN41
- BladeCenter QS21
- BladeCenter T
- Storage DS3200
- Storage DS3300
- Storage DS3400
- Storage DS4000
IBM-Lenovo 81Y9794 2TB HDD
The IBM-Lenovo 81Y9794 hard disk drive is a robust solution designed to meet the demanding needs of enterprise environments. This Certified Genuine IBM-Lenovo product features a 2TB capacity, providing ample storage for large volumes of data. With a rotational speed of 7,200 RPM and a data transfer rate of 6 Gb/s, this 3.5-inch internal drive ensures high performance and reliability. The SATA III interface further enhances data throughput, making it ideal for critical applications. Additionally, its hot swap support allows for seamless integration and maintenance without downtime, making it a reliable component for any business infrastructure.
All Specifications
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ManufacturerIBM-Lenovo
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Product CategoryHard Disk Drive (HDD)
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Product TypeHard Disk Drive (HDD)
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Certified Genuine IBM-LenovoYes
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Capacity2TB
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Rotational Speed7,200 RPM
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Form Factor3.5 inch
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Interface TypeSATA III (6.0 Gb/s)
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Data Transfer Rate6 Gb/s
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Hot Swap SupportYes
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Enclosure TypeInternal
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Benefits of Buying IBM-Lenovo Parts from Offtek
Whether you're looking for brand-new IBM-Lenovo components to maximise performance, certified refurbished parts to balance quality and cost, or factory-sealed options, we have you covered. Our range of IBM-Lenovo parts caters to everyone, from IT professionals managing large networks to individual users upgrading their personal devices. Each product is rigorously inspected and sourced from trusted suppliers to guarantee top-tier quality and performance. Discover how our IBM-Lenovo parts - available in new, certified refurbished, and factory-sealed conditions - can help you maintain, upgrade, and extend the life of your IBM-Lenovo equipment effortlessly.

Authenticity and Quality You Can Trust
We understand that quality and authenticity are paramount when it comes to IBM-Lenovo parts. That's why every product we offer is genuine, sourced directly from trusted suppliers who share our commitment to excellence. Our strict sourcing process ensures that you're getting only the highest quality IBM-Lenovo parts - no counterfeits, no imitations, and no compromises. Rest assured that each part has passed rigorous quality inspections and meets IBM-Lenovo's original specifications, giving you the performance and reliability you expect from a top-tier brand.
Extensive Selection and Compatibility for Every Need
Our inventory includes a broad range of IBM-Lenovo parts to meet the diverse requirements of all IBM-Lenovo users - whether you're an individual looking for a single replacement part or an IT professional maintaining a network of devices. From hard drives and SSDs to power supplies and motherboards, we have options for nearly every IBM-Lenovo model, ensuring you can find exactly what you need without the hassle of searching multiple sources. Our comprehensive selection saves you time and ensures compatibility, allowing you to upgrade or repair your device with confidence.
Significant Cost Savings Without Sacrificing Quality
We offer a variety of new, certified refurbished, and factory-sealed IBM-Lenovo parts to cater to different budgets. For those wanting high performance without the high price, our certified refurbished parts provide like-new quality at a fraction of the cost. These parts have undergone meticulous testing and inspection, so you get the same reliable performance and longevity as new parts. Additionally, our factory-sealed parts offer authentic, unused IBM-Lenovo components at a lower price point, making it easier for you to get top performance without overspending. With us, you can choose the option that fits your needs and budget, all while getting the quality you'd expect from IBM-Lenovo.
Eco-Friendly Options with Refurbished Parts
Choosing refurbished IBM-Lenovo parts is not only a cost-effective decision but also an environmentally friendly one. By opting for certified refurbished parts, you help reduce electronic waste and contribute to a more sustainable future. Each refurbished part is fully tested and restored to meet IBM-Lenovo's standards, giving it a second life without sacrificing performance or reliability.
Expert Support and Peace of Mind
Our knowledgeable support team is here to help you at every step, from finding the right part to assisting with any questions during installation. We're committed to providing an exceptional customer experience, so you can shop with confidence, knowing you'll receive both a quality product and the support you need to get it up and running seamlessly.

Component Compatibility Review Service
To ensure the parts that you are looking for are 100% compatible with your specific set up why not fill in our Compatibility Review Form and one of of support staff will be in touch to discuss your personalised requirements.

Fast Delivery
We're dedicated to getting your order to you as quickly as possible with our fast and reliable delivery services

Delivery Information
We make sure to you receive full tracking info so you're always in the loop and know exactly where your delivery is

Worldwide Delivery
We offer reliable worldwide delivery, making sure your order reaches you no matter where you are

Secure & Bespoke
We use secure and bespoke packaging to ensure your order arrives safely and in perfect condition
Delivery Options
UK Delivery
Free Returns
Subject to exceptions, Offtek is happy to exchange or refund your purchase within 60 days of delivery. Please check here for more details on our returns policy and exceptions.
Fast Delivery
- Free delivery options available
- Express delivery options available
- Multiple delivery options to suite all timescales and budgets
- Detailed tracking information is provided with every order
- Dispatched in secure, anti-static, custom packaging
- Same day delivery options available on request (subject to stock and location)
- Proof of delivery information sent instantly by email upon delivery
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Fast Returns & Refunds
- Return DRAM items within 30 days for a refund or replacement
- Specialist support is available to help with any return queries
- All returns are processed the same day they are received
- Freepost returns labels provided
- More Returns FAQs
Memory Solutions for Every Need
Unlike many suppliers Offtek offers a full back catalogue of memory and storage products ranging from legacy up to the latest specifications. We know that, through working with a wealth of clients since 1996, our ability to support these ranges ensures continued longevity in critical worldwide solutions. Ram memory is extremely important in ensuring your machine operates at its optimum performance. Our upgrades ensure that your computer will be performing at its best for years to come.
If you would like to know more about Offtek and our story please visit our Company Profile page.

What We Offer
At Offtek, we specialise in everything memory-related, ensuring that our customers receive the best possible products and services:
- Worldwide Delivery: We ship our products across the globe, ensuring that no matter where you are, you can access our premium memory solutions.
- 100% Compatibility Guaranteed: Every product we offer is guaranteed to be compatible with your system, giving you peace of mind with every purchase.
- Lifetime Warranty: We stand behind our DRAM products with a lifetime warranty, ensuring long-term reliability.
- Free Technical Support: Our knowledgeable support team is available to assist with any questions or concerns.
- Free Recycling: We are committed to sustainability and offer free recycling services for old memory modules.
- Extensive Stock: We maintain a large stock of memory modules, ranging from legacy RAM to the latest technology, ensuring that we can meet the needs of all our customers.
- Quality Control: All products undergo thorough testing prior to dispatch guaranteeing quality and customer satisfaction.
- Multiple Payment Options: Credit/debit cards, PayPal, Apple Pay, Google Pay and Credit accounts for Public and Private sector businesses.
- Secure and Protected: We ensure the safety of your payments and data. Visit our privacy and security pages for more information.
- Legacy & Next Generation: With over 880,000 matched upgrades available, we ensure coverage for the majority of machines ever manufactured.
- Since 1996: Offtek has been a trusted solution, operating since 1996 and among the pioneers of online e-commerce, launching in 1997.

Tech Support
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Our Advantages
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In The Ram Industry
1997
Happy Customers
Price Checks
Warranty
Stock Holding
9+ Years Experience
Account Managers
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Factory Sealed
Our factory-sealed IBM-Lenovo parts come in their original manufacturer's retail packaging, untouched and unopened. This ensures the product is exactly as it left the IBM-Lenovo production line, with all factory-sealed components and accessories included. This option guarantees authentic, unused IBM-Lenovo components, perfect for those seeking new products with full peace of mind, knowing they're receiving a product in pristine condition straight from IBM-Lenovo's manufacturing facilities.
New / Open Box (Excellent Condition)
Our New / Open Box IBM-Lenovo parts offer a “like-new” experience with top-tier performance. These parts are either new or as-new products that may have had their original packaging opened for inspection, display, or testing purposes. Though not always in original IBM-Lenovo packaging, each part is carefully inspected and tested to ensure it meets our high standards, looking and operating as if brand new. Securely packed in protective, often new brown boxes, this option delivers excellent quality at a more economical price point, making it ideal for customers seeking both reliability and value.
Refurbished
IBM-Lenovo parts in “Refurbished” condition are tested and refurbished to Offtek's rigorous standards, ensuring reliable, high performance. While these parts may show minor aesthetic marks, they function “as good as new,” providing an economical solution without compromising on quality or operational standards. Each part is fully inspected and comes securely packaged, making it a practical choice for those who prioritize both quality and value.
Brands We Supply
Explore Our Trusted Brands for Your Device Upgrade
Offtek have a relationship with many different brands in order to obtain the most compatible upgrade for your device. Below are some of the memory and SSD brands that we work with. If you are looking for a brand that we do not list contact our sales team and they will be happy to assist you in locating the brand you require.




















Sustainability Efforts
At Offtek, sustainability is deeply woven into the fabric of our business. We understand the critical importance of protecting the environment for future generations, and we have committed ourselves to practices that not only reduce our environmental impact but also encourage our customers to do the same. Here's how we're making a difference:

Eco-Friendly Practices
We continuously strive to minimise our carbon footprint by adopting eco-friendly practices throughout our operations. This includes optimising our supply chain to reduce waste, implementing energy-efficient technologies in our offices and warehouses, and sourcing products from environmentally responsible manufacturers.
Free Recycling Programme
As part of our commitment to reducing electronic waste, Offtek offers a free recycling programme for customers. We ensure that old memory modules, SSDs, and other electronic components are disposed of responsibly, preventing harmful materials from ending up in landfills. This initiative not only aids in waste reduction but also promotes responsible consumption and disposal practices among our customers.
Sustainable Packaging
Offtek has transitioned to using sustainable packaging materials wherever possible. We carefully design our packaging to be both minimal and protective, utilising recyclable and biodegradable materials to reduce our environmental impact without compromising product safety.
Longevity Through Upgrades
One of the most significant contributions to sustainability that we encourage is the upgrading of existing technology. By upgrading your RAM or SSD, you are not just enhancing your system's performance - you are also ensuring the longevity of a device that might otherwise have been discarded and sent to landfill. Upgrading components allows for the extended use of computers and devices, reducing the demand for new manufacturing and lowering the overall electronic waste footprint.
Partnerships for Sustainability
We collaborate with suppliers and organisations that share our commitment to sustainability. By partnering with like-minded companies, we ensure that our products are produced and delivered in a manner that respects the environment and promotes sustainable practices.

Ongoing Commitment
Our journey towards sustainability is ongoing. We are constantly exploring new ways to enhance our environmental efforts, whether through adopting new technologies, improving our operational practices, or launching community initiatives. Offtek is dedicated to making meaningful contributions to environmental conservation, and we encourage our customers to join us in these efforts.
By choosing to upgrade rather than replace, you are not only improving your device's performance but also making a conscious choice to reduce environmental impact. At Offtek, we believe that small, sustainable choices add up to significant positive change, and together, we can contribute to a healthier planet for future generations.
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