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Description
Lenovo ThinkSystem SR645 Rear 2x2.5" NVMe Backplane Option KitThe Lenovo ThinkSystem SR645 Rear 2x2. 5" NVMe Backplane Option Kit is a purpose built expansion module that unlocks high speed NVMe storage right behind the servers rear chassis. This backplane is engineered for enterprise workloads where speed and reliability matter mostthink databases, real time analytics, virtualization, and latency sensitive applications. By adding two 2. 5 inch NVMe bays at the rear, this kit helps you maximize I O throughput,
The Lenovo ThinkSystem SR645 Rear 2x2.5" NVMe Backplane Option Kit is a purpose-built expansion module that unlocks high-speed NVMe storage right behind the server’s rear chassis. This backplane is engineered for enterprise workloads where speed and reliability matter most—think databases, real-time analytics, virtualization, and latency-sensitive applications. By adding two 2.5-inch NVMe bays at the rear, this kit helps you maximize I/O throughput, reduce storage bottlenecks, and maintain clean airflow within densely packed data centers. Built to integrate seamlessly with the ThinkSystem SR645 platform, it delivers the performance quality and serviceability Lenovo customers expect from an enterprise-grade storage upgrade.
- Two 2.5-inch NVMe drive bays provide direct, high-performance storage expansion using the NVMe protocol. This enables ultra-fast read and write operations essential for data-intensive workloads and rapid data access.
- Rear-mounted backplane design optimizes airflow and simplifies cable management in compact or crowded data-center racks, helping maintain thermals while preserving system accessibility.
- Hot-swappable drives allow you to replace or upgrade NVMe drives without powering down the server, minimizing downtime and keeping critical workloads online during maintenance.
- Seamless ThinkSystem compatibility—designed to work with the Lenovo ThinkSystem SR645 servers, ensuring consistent drive mapping, reliable boot behavior, and smooth integration with Lenovo management tools.
- Enterprise-grade reliability and serviceability—built to endure the rigors of data-center environments with robust connectors and secure mounting, backed by Lenovo’s support ecosystem for ongoing firmware updates and hardware assistance.
Technical Details of Lenovo ThinkSystem SR645 Rear 2x2.5" NVMe Backplane Option Kit
- Drive bays: 2 x 2.5" NVMe rear backplane for enterprise NVMe SSDs, enabling fast, responsive storage expansion within the SR645 platform.
- Backplane design: Rear-mounted expansion backplane specifically designed for Lenovo ThinkSystem SR645 chassis, supporting efficient use of remaining internal space and optimized airflow.
- Interface and data path: PCIe-based NVMe data path that leverages the server’s PCIe lanes for high-throughput, low-latency storage access aligned with modern NVMe drives.
- Compatibility: Engineered for compatibility with Lenovo ThinkSystem SR645 servers; installation follows Lenovo chassis guidelines to ensure proper drive mapping and system recognition.
- Maintenance model: Hot-swappable drive capability enables non-disruptive maintenance to drive bays, reducing downtime for routine upgrades or repairs.
- Physical footprint: Rear backplane module sized to fit SR645 chassis rear drive area, designed to integrate with existing drive cages and mounting hardware for a clean, serviceable installation.
how to install Lenovo ThinkSystem SR645 Rear 2x2.5" NVMe Backplane Option Kit
- Power down the server, unplug from all power sources, and disconnect any connected peripherals to ensure a safe installation environment.
- Remove the server enclosure or access panels to reach the rear drive area, following Lenovo’s service guide for your SR645 generation.
- If an existing backplane or drive cage is present, carefully detach it according to the chassis documentation, keeping track of mounting screws and brackets.
- Align the Rear 2x2.5" NVMe Backplane with the chassis rear mounting points and seating areas. Secure the backplane using the appropriate screws or latch mechanisms provided with the kit or the chassis.
- Connect the backplane to the system’s NVMe/PCIe connectors as specified in the SR645 maintenance guide. Ensure all connectors are fully seated to establish a reliable data path to the motherboard/CPU PCIe controller.
- Install two 2.5-inch NVMe drives into the backplane’s drive bays, using the standard drive trays or hot-swap caddies approved for your SR645 configuration. Confirm each drive is firmly seated and secured.
- Reinstall any drive cages or cover panels, reassemble the chassis, reconnect power and cables, and boot the server. Enter the system BIOS or UEFI to verify the new NVMe backplane and drives are detected and correctly mapped.
- Once the OS loads, use Lenovo management tools or your standard storage admin tools to format, partition, and configure the new NVMe storage as needed for your workloads.
Frequently asked questions
- What is the Lenovo ThinkSystem SR645 Rear 2x2.5" NVMe Backplane Option Kit? A dedicated expansion module that adds two rear-mounted 2.5-inch NVMe drive bays to a Lenovo ThinkSystem SR645 server, delivering enhanced storage performance and easier maintenance for enterprise workloads.
- What drives are supported? The kit supports standard 2.5-inch NVMe SSDs that are compatible with the SR645 chassis and drive caging. Always consult Lenovo’s official compatibility guides for approved drive models and firmware requirements before purchasing.
- Is the backplane hot-swappable? Yes. The design supports hot-swappable NVMe drives, enabling drive replacement or upgrades without powering down the server, which helps maximize uptime for critical workloads.
- Is this backplane compatible with all generations of the SR645? The kit is designed to work with ThinkSystem SR645 servers, but always verify your server’s exact generation, firmware levels, and chassis configuration against Lenovo’s product documentation to ensure full compatibility.
- Do I need any special tools or cables? Installation typically uses standard server mounting hardware and the backplane’s integrated connectors. Some setups may require specific cables or adapters provided by Lenovo for your chassis; refer to the installation guide for precise requirements.
- How does this backplane affect system performance? By providing direct, high-speed NVMe connections at the rear of the chassis, the backplane can reduce controller contention and latency for NVMe workloads, improving throughput for I/O-intensive applications while maintaining efficient airflow.
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4.3 ★★★★★
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Product Reviews
★★★★★ 4
Soft...but fluffy and tall
Color: White, Size: Standard (Pack of 2)
I've only had these pillows for about a week. They are a great quality pillow. The cover is soft and seems well made. My only complaint is that they are VERY full pillows. If you're tall with broader shoulders, you'll probably love them. If you're shorter with a smaller frame you will probably feel like your head is too high and your neck at a weird angle (my problem). There seemed to be mixed reviews about softness....I would consider these a nice medium pillow. Soft filling but firm enough that your head doesn't sink to the bed. Definitely NOT a down-like pillow, so if that's what you're looking for, this is not for you.
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Finally! Comfy pillows for a😴good night sleep
Color: White, Size: Queen (Pack of 4)
Just wow!!
Looking for new pillows that are comfortable & hold their shape. These are it !
I love anything by utopia. And these pillows did not disappoint.
Great value. Feels like a high end pillow.
As a side sleeper these are a keeper.
Highly recommend. And ill be purchasing more!
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Soft, fluffy and surprisingly comfortable
Color: White, Size: Queen (Pack of 2), Color: White, Size: Queen (Pack of 2)
I really liked these pillows. I tried to show different things in my photos because I wanted people to see the details: the design, how fluffy they are, and how full and thick they actually look. They are so full that the pillowcase even looks tight once you put it on, which I actually loved because they look luxurious and well-filled.
At first glance they look very thick and high, but once you lay down they feel soft and fluffy instead of hard. They adjust comfortably and feel very cozy whether you’re sleeping, relaxing, or even reading before bed.
I think they offer a really good balance because they feel supportive without being stiff. Of course, pillow preference is very personal—some people like lower pillows and others like higher ones—but for someone who likes fuller pillows that are still soft and comfortable, these are great.
They are spacious, cozy, and feel like a very good purchase overall. I honestly don’t have any complaints so far. Definitely happy with them.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Great quality pillows. Very difficult wrapping.
Color: White, Size: King (Pack of 2)
The Pillows are the real deal. Very fluffy but with good support. I was surprised by the weight of the box they came in, pretty heavy so you know there’s good quality pillows inside.
The one negative is that the pillows are packed in very very tight plastic because they come compressed. But the thing is, it’s really a chore to open them. You have to be careful not to cut through the plastic to the material, but the plastic is put on so incredibly tight that it’s even hard to get your finger underneath.
But I found a way to open them. Near the top, insert A very flat metal ruler as far in as you could get it. Then cut through the plastic that’s above the metal ruler. That prevents a sharp tool from damaging the pillows. As you get through the plastic above the ruler, keep pushing the ruler further down into the package. Believe me, this simplifies what could be a very difficult unpacking. I am very surprised that the company that makes them does not insert the type of opener that you find on boxes you receive in the mail or even packages that you get from the grocery store where you just pull a tab and that opens the package.
These are really good pillows, but you must be very careful about using a sharp object when opening the box and when trying to cut through the plastic. I am a strong man and have the tools needed, a very flat metal ruler, and a box cutter, knife, or razor. Good luck. !!
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Good quality
Color: White, Size: King (Pack of 2), Color: White, Size: King (Pack of 2)
These are so comfortable. I don’t think I even have to break them in. Soft and firm at the same time
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Reviewed in the United States on May 24, 2026
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