SKU: 53853429135

Lenovo PM1645a 6.40 TB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS) - 2.5" Carrier

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Description

Lenovo PM1645a 6.40 TB Solid State Drive - 2.5" Internal - SAS (12Gb/s SAS) - 2.5" CarrierThe Lenovo PM1645a 6. 40 TB Solid State Drive is a high density, enterprise class SAS SSD designed for ThinkSystem servers and data center storage ecosystems. This 2. 5 inch internal drive, paired with a standard 2. 5" carrier, delivers the capacity, performance, and reliability needed to power modern workloadsfrom online transaction processing and databases to virtualization, analytics, and dense storage arrays. As the successor to the PM1645 family,

The Lenovo PM1645a 6.40 TB Solid State Drive is a high-density, enterprise-class SAS SSD designed for ThinkSystem servers and data-center storage ecosystems. This 2.5-inch internal drive, paired with a standard 2.5" carrier, delivers the capacity, performance, and reliability needed to power modern workloads—from online transaction processing and databases to virtualization, analytics, and dense storage arrays. As the successor to the PM1645 family, the PM1645a brings improved random performance, sustained throughput, and enhanced endurance to support demanding mixed workloads while maintaining low latency and consistent IOPS.

Engineered for reliability and efficiency in 24/7 data-center environments, the PM1645a combines a robust SAS 12Gb/s interface with enterprise-grade features that keep data accessible and protected under load. This drive is optimized for Lenovo ThinkSystem servers and storage solutions, providing seamless integration with Lenovo management tools, RAID controllers, and backplanes. Its design emphasizes predictable latency, steady throughput, and long-term durability, all essential for maintaining service levels in databases, virtual machines, and analytics pipelines. In addition to raw performance, the PM1645a emphasizes data protection through ECC, wear leveling, and power-loss protection, helping organizations safeguard critical information even during unexpected interruptions. The drive also supports hardware-assisted security options and secure erase to address data-at-rest protection requirements across diverse workloads and compliance regimes.

Beyond capacity and performance, the PM1645a is built with energy-efficient operation in mind. In dense rack environments, power and cooling demands are a significant portion of total cost of ownership. The PM1645a delivers efficient performance per watt and a compact footprint that supports high-density deployments. Administrators benefit from smoother firmware updates and proactive health monitoring through Lenovo ThinkSystem management tools, which simplify lifecycle management, monitoring, and orchestration across large fleets of SSDs. This combination of capacity, reliability, and manageability makes the PM1645a an excellent choice for data centers pursuing scalable, resilient storage without compromising on latency or endurance.

  • Massive capacity for dense data growth – Up to 6.4 TB per drive enables high rack density and reduces total cost of ownership in data centers, private clouds, and edge deployments.
  • Enterprise-class SAS architecture – 12Gb/s SAS interface delivers high sustained throughput and low latency under demanding workloads, supporting rapid data access for databases, analytics, and virtualized environments.
  • 2.5-inch form factor with a standard carrier – Durable 2.5-inch drive format compatible with ThinkSystem servers and enterprise storage arrays, with an included carrier designed for hot-swapping and simple field replacement.
  • Robust reliability and data protection – Built with advanced error correction, wear leveling, power-loss protection, and RAS features to protect data integrity in 24/7 operation.
  • Optimized for Lenovo ThinkSystem – Firmware tuned for ThinkSystem controllers and management tools, delivering consistent performance, easy integration with Lenovo storage ecosystems, and predictable endurance for long-term deployments.

Technical Details of Lenovo PM1645a 6.40 TB SAS SSD

  • Capacity: 6.4 TB
  • Interface: SAS 12 Gb/s
  • Form factor: 2.5-inch internal SSD with included 2.5" carrier
  • Protocol and features: Enterprise SAS with advanced ECC, wear leveling, and data-protection mechanisms
  • Endurance and reliability: Designed for sustained enterprise workloads with robust endurance and reliability characteristics
  • Security and data protection: Supports data-at-rest protection options and secure erase capabilities for safe drive retirement or replacement
  • Compatibility and warranty: Built for Lenovo ThinkSystem servers and backplanes with Lenovo warranty and support options

How to install Lenovo PM1645a

Installing the PM1645a is straightforward in compatible ThinkSystem systems and other enterprise SAS environments that support a 2.5-inch drive with a standard carrier. Follow these steps to ensure a smooth deployment and optimal performance:

  • Prepare the system: Verify that your ThinkSystem server or storage array supports a 2.5-inch SAS SSD and that the server firmware and RAID controller firmware are up to date. Review vendor guidelines for hot-swapping in your chassis and ensure maintenance procedures are followed.
  • Power or prepare for hot-swap: If your platform supports hot-swapping, you can replace or add drives without powering down the system. If not, power down according to your platform's instructions before proceeding.
  • Open the drive bay: Access an available 2.5-inch drive bay in the chassis or backplane. Release the bay latch or remove mounting screws as required by your enclosure.
  • Insert the PM1645a with its carrier: Align the PM1645a with the 2.5" carrier and slide it into the bay until the connectors engage with the backplane. Ensure the drive is seated securely and the carrier is locked in place.
  • Connect and verify: If required, confirm SAS backplane connectivity to the RAID controller. Power on (or resume) the system and use the server management interface to verify that the PM1645a is detected.
  • Phase in firmware and configure: If a newer firmware version is available, update the PM1645a through Lenovo or the RAID controller vendor's update utility. In the operating system or storage management software, initialize the drive, configure it into the appropriate RAID group or storage pool, and format as needed for your workload.
  • Monitor and optimize: After installation, monitor drive health, throughput, and endurance through ThinkSystem XClarity Administrator or your preferred management tool. Schedule regular health checks and firmware updates to maintain performance and reliability.

Frequently asked questions

  • Q: Is the PM1645a NVMe or SAS? A: The PM1645a is a SAS-based enterprise SSD designed for 12Gb/s SAS backplanes and controllers; it is not an NVMe drive.
  • Q: What workloads are ideal for the PM1645a? A: It is well-suited for mixed read/write databases, online transaction processing, virtualization hosts, analytics workloads, and dense storage configurations where consistent IOPS and low latency are critical.
  • Q: How does endurance compare to other drives? A: Enterprise SAS SSDs like the PM1645a are engineered for sustained data-center workloads with robust endurance. Exact TBW or endurance ratings vary by capacity and workload; consult Lenovo’s data sheet for precise figures.
  • Q: Can the PM1645a be hot-swapped? A: Yes. When installed in a compatible 2.5-inch drive bay with a standard carrier, the PM1645a supports hot-swapping in appropriate ThinkSystem environments.
  • Q: What management tools work with this drive? A: Lenovo ThinkSystem management tools, including XClarity Administrator, provide monitoring, provisioning, firmware updates, and health checks for PM1645a drives in supported servers and storage arrays.
  • Q: What warranty comes with the PM1645a? A: Lenovo offers enterprise-grade warranty and support for ThinkSystem deployments; verify terms with your regional Lenovo sales or authorized partner at the time of purchase.
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SKU: 53853429135

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4.3 ★★★★★
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Jessika
Boise, US
★★★★★ 4
Definitely worth the read!
Format: Kindle
After taking a deep breath and taking in that wicked twist of an ending, I have finally composed myself. My first thought when I started this book was that I love Reyna's character. I was intrigued by her connection with her familiar and the Ruin that is plaguing her land. It came as no surprise that she took her sister's place in an attempt to protect her. When they reach the Air Court everything slows down. This is where it was iffy for me. First of all, I like multiple POV's in books however 7 is a bit much. It starts to interrupt the story line. I felt like I was finally making progress connecting with one character, then it was switched to another person. I felt they all had necessary or pertinent information but not necessarily were they all POV worthy. The only other thing that annoyed me was that Reyna constantly was " trapped." She would rush off without thinking, only to need rescuing. She is brilliant in a fight, but she really doesn't think through anything. Lorcan is amazing. I know he might be on the "bad" list, but his background is so interesting. Eislyn(Reyna's sister) is really so sweet, but calculating. I enjoyed her and Thane's dialogue. The author did an amazing job with the imagery in this book. Everything was so detailed it was easy to fall into the scene. I love unexpected twists and while part of the ending I expected, I wasn't expecting how it took place. All in all, I found it very entertaining and I am very invested in continuing this series. Favorite quotes: "The truth may be twisted but never false." "Who was she if she was not the enemy of the Air Court? What was her purpose of she no longer has that?" "In a war-torn land, love was always a lie."
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2020
K
Verified Purchase
KAB
Carnegie, US
★★★★★ 5
Great Read!!! Great story!!!
Format: Kindle
The series is long, but Ms. Wolfhart does a fantastic job of weaving this tale while bringing so much to the characters. Surprises and plot twists along the way to keep you intrigued. There is some graphic sex, but is no way the focal point. Grammar was excellent (a rare find with a lot of self publishers) with only a few noted errors. I rarely give 4 stars, let alone 5.
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Reviewed in the United States on April 30, 2021
E
Verified Purchase
Elisa
West Palm Beach, US
★★★★★ 3
Sadly, DNF
Format: Kindle
I read this thru KU. I LOVED the synopsis. And then I began reading... and it was a DNF at 68% after picking it up and putting it down several times because I really loved the main female character. *****SPOILERS***** Pros: The world is unique, intriguing and fun. The primary female character is bad-a** but not a b*tech or a mary sue. The primary female has depth. I really want to know what happens to her even tho it's been weeks and I don't remember her name. The villains to the point I read are pretty good -- an ever present threat of mysterious and possibly many culprits. Cons: Way, way too many points of view. I stopped counting at 7. It's the prime reason why I don't care about most of the characters or remember their names even when I like them. There's just too many points of view so almost none of the characters have enough book space for the author to properly develop them. This literally killed the book for me. Actually it killed my desire to read. For weeks. The main male is more villain than hero. He agreed to marry the main female then locks her up & eschews her for her sister, all while bad mouthing her as unfit to rule when he never spent any time with her getting to know her. He is actually unfit to rule as he is blind to the woes of his own kingdom and starts off a peace mission to secure a ceasefire through marriage by murdering an inn full of people in her country for no real reason. Plus, he constantly makes promises he does not keep. And it's gross of him to pine for the sister behind the main female's back. ***** As much as I really wanted to see what happened to the main female character, it wasn't enough for me to keep trying to slog thru this book. There was a lot of potential here that just fell short. Hence, 3 stars.
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Reviewed in the United States on June 19, 2021
M
Verified Purchase
MaryBeth K
Houston, US
★★★★★ 5
Fae Courts with High Intrigue
Format: Kindle
This book is one that just builds and builds and then surprises you to no end. You may think you know the villains and then you are jolted in another direction. Princess Reyna is a real gem, strong of character, a fierce fighter, and loyal to her family and kingdom. Just when you think she and Lorcan, well you know, the plot is flipped. Can't wait to see where this goes in book two.
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Reviewed in the United States on July 7, 2023
K
Verified Purchase
Kindle Customer Maureen
Birmingham, US
★★★★★ 4
Slow, sorry but good
Format: Kindle
This was a slow moving book. Lots of character pov chapters, lots of superfluous descriptions and endless courtly appearances stalled this book to start. Once you get into the heart of the story, it takes off. Before you know it the book is done. My favorite character is Reyna. She is so strong. She is true to herself. She gets into a lot of trouble with her headstrong ways but it's entertaining. I have high hopes for Lorcan. He is honorable to a fault. Thane had turned out to be better than I thought but i still don't like him. Eislin is useless. Great plot twists at the end. I'm looking forward too book 2.
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Reviewed in the United States on June 6, 2020

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