What type of storage interface does the Lenovo 4Y37A72481 adapter support?

The Lenovo 4Y37A72481, identified as the ThinkSystem 4350-16i SAS SATA 12Gb HBA, supports both SAS and SATA storage interfaces. It is described specifically as a SAS SATA 12Gb adapter, meaning it can connect to SAS or SATA drives operating within a 12Gb SAS framework for internal server storage connectivity.

How many internal connections can the ThinkSystem 4350-16i HBA provide?

This model is categorized as an internal 12Gb SAS 16-port PCIe 3.0 x8 host bus adapter. The 16-port designation indicates it is designed to provide connectivity for up to sixteen internal SAS or SATA endpoints, allowing a single adapter to serve multiple drives within a ThinkSystem server chassis.

What host interface does the Lenovo ThinkSystem 4350-16i HBA use?

The adapter is identified as a PCIe 3.0 x8 host bus adapter. This means it plugs into a PCIe 3.0 x8 slot in a compatible server, providing the bandwidth required to handle traffic from its 12Gb SAS SATA connections to internal storage devices.

Is the 4Y37A72481 adapter intended for internal or external storage connectivity?

The Lenovo ThinkSystem 4350-16i SAS SATA 12Gb HBA is described as an internal 12Gb SAS 16-port PCIe 3.0 x8 host bus adapter. This classification indicates it is intended for internal storage connectivity within servers, rather than for external SAS enclosures or cabling.

Which server family is the Lenovo 4350-16i 12Gb HBA associated with?

The product is named Lenovo ThinkSystem 4350-16i SAS SATA 12Gb HBA, indicating it is associated with the Lenovo ThinkSystem server family. Its designation as an internal 12Gb SAS 16-port PCIe 3.0 x8 adapter aligns it with ThinkSystem platforms that support this type of storage controller.

4Y37A72481 - Lenovo 4Y37A72481 12Gb SAS SATA 16-port HBA adapter

Name: Lenovo 4Y37A72481 12Gb SAS SATA 16-port HBA adapter
Brand: Lenovo
SKU: 4Y37A72481
Price: 505 USD
Availability: InStock

4Y37A72481 - Lenovo 4Y37A72481 12Gb SAS SATA 16-port HBA adapter | US IT Hardware

Product overview

The Lenovo ThinkSystem 4350-16i SAS SATA 12Gb HBA, SKU 4Y37A72481, is an internal host bus adapter designed for ThinkSystem server storage connectivity. It supports SAS and SATA interfaces at 12Gb performance levels, aligning with demanding enterprise storage requirements. As a 16-port internal 12Gb SAS adapter, it enables connectivity to multiple SAS or SATA devices within a server chassis. The adapter uses a PCIe 3.0 x8 host interface, suitable for modern server architectures that require reliable bandwidth for storage traffic. Classified as an internal 12Gb SAS 16-port PCIe 3.0 x8 host bus adapter, it fits controller roles in data center and enterprise server configurations. This model focuses on SAS SATA connectivity and 12Gb operation, making it a targeted option for environments standardizing on internal SAS or SATA storage backplanes in Lenovo ThinkSystem platforms.

SAS and SATA 12Gb interface for internal storage
16-port internal 12Gb SAS host bus adapter
PCIe 3.0 x8 host interface compatibility
Designed for Lenovo ThinkSystem servers
Supports internal SAS or SATA drive connectivity
Single adapter for multi-device internal storage

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Featuring

Product Type
Manufacturer part #	4Y37A72481
Brand	Lenovo
Condition	New
Model	4350-16i
Use With	Server
Card Type	Plug-in card
Card Length	Half-length
Form Factor	Internal adapter
Card Profile	Low profile
Intended Use	Internal storage connectivity in ThinkSystem servers
Product Line	ThinkSystem

Compatible systems

No specific system or OS compatibility information stated for 4Y37A72481 beyond general server use

Best for

Server storage connectivity
Suited for connecting internal SAS or SATA storage devices in ThinkSystem servers using a 12Gb SAS interface and 16-port host bus adapter design.
Internal SAS backplane integration
Designed as an internal 12Gb SAS 16-port PCIe 3.0 x8 adapter, appropriate for integrating with server SAS backplanes that require SAS or SATA connectivity.
SATA device attachment
Supports SATA as well as SAS, making it suitable for environments that attach internal SATA drives while using a 12Gb SAS capable HBA.
PCIe 3.0 x8 server deployments
Fits server platforms that provide a PCIe 3.0 x8 slot and need to add internal 12Gb SAS SATA connectivity through a dedicated host bus adapter.
Multi-device internal storage
The 16-port internal configuration is aligned with deployments that must connect multiple internal SAS or SATA devices within a single ThinkSystem server.

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Lenovo Enterprise Drives

RAID Mode Support	Non-RAID JBOD mode only

Drive Type Support	SAS and SATA HDDs and SSDs

Compatible Product Family	ThinkSystem servers

Underlying Controller Family	Based on Adaptec HBA 1100-16i

Performance

Lifecycle Status	Withdrawn from marketing
Maximum Data Transfer Rate	12 Gbit/s
Per-Port Maximum Throughput	Up to 12 Gbps per port
Maximum Random Read IOPS (4KB, 16-port model)	Up to 1.7 million IOPS

Networking Ports & Interfaces

SAS Lanes	16 lanes of 12 Gbps SAS
Connector Type	Mini-SAS HD x4 (SFF-8643)
Host Interface	PCI Express 3.0 x8
Internal Ports	16 internal SAS/SATA ports
Output Interface	SAS
Interface Standard	PCI Express 3.0
PCIe Bus Interface	PCI Express 3.0 x8 electrical interface for power and data
Host Interface Type	PCIe
Storage Interface Type	SAS/SATA
Internal Connector Count	4 internal Mini-SAS HD x4 (SFF-8643) connectors
SAS Signaling Rate Support	12 Gbps, 6 Gbps, 3 Gbps SAS
Storage Interface Standard	12 Gb/s SAS
SATA Signaling Rate Support	6 Gbps, 3 Gbps SATA
Total Available Device Ports	16 internal SAS/SATA device ports
PCIe Host Interface Lane Count	x8 PCI Express lanes
Number of Mini-SAS HD x4 (SFF-8643) Connectors	4 internal x4 Mini-SAS HD (SFF-8643) connectors

Lenovo 4Y37A72481 12Gb SAS SATA 16-port HBA adapter