What does the 4Y37A09736 do?

It expands the number of drives a SAS controller or HBA can reach, with 48 ports at 12Gb.

Lenovo ThinkSystem 48 port 12Gb Internal Expander

Name: Lenovo ThinkSystem 48 port 12Gb Internal Expander
Brand: Lenovo
SKU: 4Y37A09736

MPN4Y37A09736

The Lenovo ThinkSystem 48 port 12Gb Internal Expander, part number 4Y37A09736, is a SAS expander for SR665, SR650 V2, SR650 V3, SR665 V3 and SR655 V3.

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Lenovo ThinkSystem 48 port 12Gb Internal Expander

4Y37A09736 · Refurbished · 1 year warranty

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Overview

A SAS expander lets one controller connect more drives than it has ports. The Lenovo ThinkSystem 48 port 12Gb Internal Expander, part number 4Y37A09736, provides 48 ports at 12Gb SAS speed, and its feature code is B8P6.

It is classed as a SAS expander, not a controller, so it works alongside a RAID controller or HBA that is already in the server. The compatible Lenovo ThinkSystem / System x systems are the SR665, SR650 V2, SR650 V3, SR665 V3 and SR655 V3. Send the server model with your request and we will check that this part fits.

Send us your drive count and backplane when you request pricing, and we will confirm the match.

New and refurbished units come with 1 year or 3 years of warranty. No used offer is listed.

Specifications

Lenovo 4Y37A09736 specifications
Manufacturer part number	4Y37A09736
Brand	Lenovo
Feature code	B8P6
Component type	SAS expander
SAS speed	12 Gb/s
Compatible systems	Lenovo ThinkSystem / System x: SR665, SR650 V2, SR650 V3, SR665 V3, SR655 V3

Specifications from the manufacturer's datasheet ↗

Compatibility

The manufacturer lists this part for:

Lenovo ThinkSystem / System x: SR665, SR650 V2, SR650 V3, SR665 V3, SR655 V3

Not sure it fits? Add your system model to the message in your request and we will check before you order.

FAQ

What does the 4Y37A09736 do?: It expands the number of drives a SAS controller or HBA can reach, with 48 ports at 12Gb.
Is it a controller?: No. It is a SAS expander.
Which servers are listed?: SR665, SR650 V2, SR650 V3, SR665 V3 and SR655 V3.
What is the feature code?: B8P6.