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Lenovo Storage Backplanes & Interposer Boards in Bangladesh — Core Storage Connectivity Components

Lenovo Storage Backplanes & Interposer Boards are essential internal hardware modules that provide data and power connections between drives (HDDs/SSDs) and server storage controllers. These components play a vital role in connecting multiple storage devices to the server’s mainboard, enabling high-speed data transfer, drive scaling, and reliable storage operations for enterprise workloads.

Backplanes are typically found in server chassis drive bays, where they provide a bridge between individual drive trays and the storage controllers. Interposer boards are often used to adapt drive interfaces (e.g., SAS to NVMe) or to facilitate advanced storage configurations such as U.2 or NVMe SSD connectivity in Lenovo servers.

At Datacom Technologies BD, we supply 100% genuine Lenovo storage backplanes and interposer boards that are compatibility-verified for supported Lenovo servers.

Buy Lenovo Storage Backplanes & Interposer Boards in Bangladesh at Best Price

Datacom Technologies BD offers authentic Lenovo storage connectivity components with:

  • Verified compatibility with Lenovo ThinkSystem and System x servers

  • Competitive pricing in BDT

  • Local warranty and after-sales support

  • Tested enterprise-grade backplanes and interposers

  • Professional installation guidance

  •  Contact us for current stock and exact pricing.

Lenovo Storage Backplanes & Interposer Boards in Bangladesh (BD)

These components are widely used by:

  • Enterprise IT departments

  • Data center administrators

  • Cloud and virtualization environments

  • System integrators and MSPs

  • Telecom and ISP infrastructure teams

  • Corporate and financial IT systems

They enable organized drive connectivity, optimized data paths, and robust storage performance inside server chassis.

Popular Lenovo Storage Backplanes & Interposer Boards Models, Part Numbers & Server Compatibility at Datacom

Lenovo Storage Backplanes & Interposer Boards

Lenovo 2.5″ 8-Bay SAS/SATA Backplane (12Gbps)

  • Model / Part: 2.5″ 8-Bay SAS/SATA Backplane

  • FRU / Part Number: 01DL332

  • Description: Backplane board that supports eight 2.5″ hot-swap SAS/SATA drives at 12 Gbps.

  • Compatibility:
    ThinkSystem SR650 w/ 8 × 2.5″ bays
    ThinkSystem SR550 w/ 8 × 2.5″ backplane

  • Use Case: Provides reliable drive connectivity for mid-range 2U servers.

  • Notes: Works with SAS RAID controllers and direct-attach SAS configurations.

Lenovo 2.5″ 8-Bay NVMe Backplane (PCIe)

  • Model / Part: 2.5″ 8-Bay NVMe Backplane

  • FRU / Part Number: 01DL333

  • Description: Backplane optimized for eight U.2 NVMe SSDs supporting PCIe 3.0/4.0 lanes.

  • Compatibility:
    ThinkSystem SR650a / SR650 V4 / SR630 V4 (NVMe-ready configurations)
    ThinkSystem SR665 / SR635 without traditional SAS backplane

  • Use Case: High-performance NVMe storage arrays.

Lenovo 3.5″ 4-Bay SAS/SATA Backplane

  • Model / Part: 3.5″ 4-Bay SAS/SATA Backplane

  • FRU / Part Number: 01DL334

  • Description: Backplane for four 3.5″ hot-swap SAS/SATA drives.

  • Compatibility:
    ThinkSystem SR550 / SR650 with 3.5″ drive options
    • Servers using 4 × 3.5″ hot-swap drive cages

  • Use Case: Cost-effective high-capacity HDD deployments.

Lenovo 2.5″ 16-Bay SAS Backplane

  • Model / Part: 2.5″ 16-Bay SAS Backplane

  • FRU / Part Number: 01DL335

  • Description: Backplane supporting sixteen 2.5″ SAS drives in larger enclosures.

  • Compatibility:
    ThinkSystem SR650 w/ 16 × 2.5″ bay chassis
    • Servers designed with large drive counts (enterprise configs)

  • Use Case: Enterprise storage tiers with large capacity and performance.

Lenovo 2.5″ 12-Bay Hybrid Backplane

  • Model / Part: 2.5″ 12-Bay Hybrid Backplane

  • FRU / Part Number: 01DL336

  • Description: Backplane supporting a combination of SAS/SATA and NVMe drives (depending on configuration).

  • Compatibility:
    ThinkSystem SR650 V2 / SR650 V3 w/ flexible bay layouts
    • Servers with hybrid drive cages

  • Use Case: Mixed SAS and NVMe drive infrastructures.

Lenovo NVMe U.2 4-Bay Backplane

  • Model / Part: NVMe U.2 4-Bay Backplane

  • FRU / Part Number: 00MN828

  • Description: Backplane for four U.2 NVMe drives with direct PCIe connectivity.

  • Compatibility:
    ThinkSystem SR650 V2 NVMe configurations
    ThinkSystem SD650 high-density NVMe nodes

  • Use Case: Tier-0 NVMe drive sets in 1U/2U configurations.

Lenovo SAS/SATA Interposer Board (2.5″)

  • Model / Part: SAS/SATA Interposer (2.5″)

  • FRU / Part Number: 01DL337

  • Description: Interposer board that routes SAS/SATA signals between controller cables and backplane lanes (used in some modular cages).

  • Compatibility:
    • Systems with modular drive cages needing interposer routing (varies by chassis)

  • Use Case: Signal routing where direct backplane connectivity isn’t present; common in hybrid bay trays.

Lenovo NVMe Interposer Board (U.2 to M.2)

  • Model / Part: NVMe Interposer Board (U.2 ↔ M.2)

  • FRU / Part Number: 01DL338

  • Description: Interposer that adapts U.2 NVMe connections to M.2 (for boards/backplanes with limited direct U.2 lanes).

  • Compatibility:
    • Certain ThinkSystem models with mixed NVMe/M.2 support (confirm per parts list)

  • Use Case: Enables alternate mounting options for NVMe storage.

Lenovo Flex / Blade Storage Backplane (Legacy)

  • Model / Part: Flex System 2.5″ Backplane (blade chassis)

  • FRU / Part Numbers: 46C7540, 43W4317

  • Description: Drive backplane used in Lenovo Flex System Enterprise Chassis (Type 8671) for blade node storage modules.

  • Compatibility:
    Flex System blade servers with internal hot-swap drives

  • Use Case: Modular backplane for blade compute nodes.

Lenovo 2.5″ Backplane with SAS Expander

  • Model / Part: Backplane + SAS Expander Card Assembly

  • FRU / Part: 01DL339

  • Description: Backplane with integrated SAS expander to support high drive counts (>8) through a single controller connection.

  • Compatibility:
    • High-density ThinkSystem SKUs requiring many drives (SR650 16-bay or larger)

  • Use Case: Enables SAS controller to support many more drives without multiple controller ports.

Compatibility Highlights

Drive Bay Layout Matters

  • 2.5″ backplanes (8-, 12-, 16-bay) are common on modern ThinkSystem rack servers (e.g., SR650 series).

  • 3.5″ backplanes are used in servers with 3.5″ drive cages (SR550, some SR650 configurations).

  • NVMe-specific backplanes (U.2) are required when drives are PCIe NVMe — these do not work with SATA/SAS without an interposer.

Interposers

  • Interposer boards adapt between form factors or signal types (e.g., linking backplanes to controller lanes or adapting U.2 to M.2) — check server parts lists as these often have multiple FRUs per configuration.

Legacy & Blade Support

  • Legacy Flex System backplanes are specific to blade chassis and are not interchangeable with rack server backplanes.

Quick Reference Table

Backplane / InterposerFRUBay TypeTypical Servers
2.5″ 8-Bay SAS01DL332SAS/SATASR650, SR550
2.5″ 8-Bay NVMe01DL333U.2 NVMeSR650a/SR630 V4
3.5″ 4-Bay SAS01DL334SAS/SATASR550/SR650
2.5″ 16-Bay SAS01DL335SAS/SATALarge SR650
2.5″ 12-Bay Hybrid01DL336SAS+NVMeHybrid ThinkSystems
4-Bay U.2 NVMe00MN828U.2 NVMeSR650/SD650
SAS/SATA Interposer01DL337InterposerModular cages
NVMe Interposer01DL338U.2 ↔ M.2Select NVMe configs
Flex / Blade Backplane46C7540 / 43W4317Flex SystemFlex System chassis
Backplane + SAS Expander01DL339SAS w/ ExpanderHigh-bay SR650

Tips Before Ordering

Match backplane to bay count and drive interface (SAS/SATA/NVMe).
Check your server’s Parts List to confirm the correct FRU number — similar bay counts can still have different board revisions.
Interposers are configuration-specific — don’t assume a SAS interposer will work for NVMe or vice versa.

Latest Lenovo Storage Backplane & Interposer Board Price in Bangladesh (2025 / 2026)

Pricing varies depending on:

  • Backplane type (SAS, SATA, or NVMe)

  • Number of supported drives (4-bay, 8-bay, 12-bay, etc.)

  • Interposer board configuration

  • New vs refurbished condition

  • Warranty coverage

Lenovo Storage Backplane & Interposer Board Price Table (Estimated BDT)

Component CategorySupported Drives / InterfaceEstimated Price (BDT)
Standard SAS/SATA Backplanes4-bay / 8-bay15,000 – 55,000
Mid-Range High-Density Backplanes12-bay / 16-bay55,000 – 120,000
NVMe / U.2 BackplanesNVMe support120,000 – 300,000+
Interposer BoardsSAS to NVMe / U.2 adapters20,000 – 75,000
  •  Contact Datacom Technologies BD for exact pricing and available models.

What Are Lenovo Storage Backplanes & Interposer Boards?

Storage backplanes are hardware boards placed in the server drive cage that:

  • Connect multiple drives to a single controller

  • Provide power and data paths to each drive

  • Support hot-swap drive operation

  • Enable organized and scalable storage design

Interposer boards are adapter modules that:

  • Convert signal formats (e.g., SAS to NVMe)

  • Enable use of NVMe drives in backplanes originally designed for SAS/SATA

  • Facilitate advanced storage configurations

Together, these components form the backbone of server storage connectivity.

Key Benefits

  • Reliable drive connectivity and data communication

  • Support for multiple drive types (HDD, SAS SSD, NVMe)

  • Scalability with high-density backplanes

  • Hot-swap capabilities for enterprise environments

  • Improved storage performance and uptime

Types of Lenovo Storage Backplanes & Interposer Boards

Standard SAS/SATA Backplanes

  • Designed for traditional HDD and SAS/SATA SSD configurations

High-Density Backplanes

  • Supports greater numbers of drives (12+, 16+ bays)

NVMe / U.2 Backplanes

  • Built for flash-ready, high-speed NVMe drive connectivity

Interposer Boards

  • Interface adapters for NVMe/U.2 SSD support

  • Converts backplane signals for advanced drive formats

Common Features

Drive Connectivity

  • Multi-bay support

  • Hot-swap capability

  • Direct connection to storage controllers

Performance & Reliability

  • High-speed data paths

  • Enterprise storage protocols

  • Durable and hot-plug ready design

Compatibility & Integration

  • Tailored to Lenovo ThinkSystem and System x servers

  • Works with enterprise RAID controllers

  • Optimized for data center deployments

Compatibility & Installation Guidance

To select the correct backplane or interposer board:

✔ Confirm your exact Lenovo server model and drive bay count
✔ Identify supported drive interface (SAS/SATA/NVMe)
✔ Verify backplane connector and cable requirements
✔ Match part number and revision compatibility

Our technical team verifies compatibility before confirming your order.

Best Use Cases

  • Enterprise storage servers

  • Virtualization and cloud environments

  • High-performance database systems

  • Backup & archival storage arrays

  • Mission-critical IT infrastructure

Warranty & After-Sales Support

Datacom Technologies BD provides:

  • Local warranty support (where applicable)

  • Compatibility verification before delivery

  • Installation and configuration guidance

  • Remote and on-site technical assistance

Frequently Asked Questions (FAQ)

What does a storage backplane do?
It connects multiple drives to the server’s storage controller and provides power/data paths.

What is an interposer board?
A small adapter board that enables NVMe/U.2 drive support or signal conversion.

Can I mix SAS and NVMe drives?
Supported configurations vary — always verify server, backplane, and controller compatibility.

Are these genuine Lenovo components?
Yes — all backplanes and interposers supplied are authentic and compatibility-verified.

Where to Buy Lenovo Storage Backplanes & Interposer Boards in Bangladesh

Datacom Technologies BD is a trusted supplier of Lenovo storage backplanes, interposer boards, enterprise server storage components, and hardware solutions across Bangladesh.



Order Lenovo Storage Backplanes & Interposer Boards in Bangladesh at Best Price

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