Does the RAID 940-8i support NVMe drives?

Yes. It is tri-mode, supporting SAS, SATA and NVMe U.3 drives, up to 8 devices.

How much cache does it have and how is it protected?

4GB, protected by CacheVault flash.

What is the Broadcom equivalent of this adapter?

The Broadcom MegaRAID 9560-8i 4G, on the SAS3908 controller.

Lenovo

Lenovo ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb RAID Adapter

Name: Lenovo ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb RAID Adapter
Brand: Lenovo
SKU: 4Y37A09728

MPN4Y37A09728

The Lenovo ThinkSystem RAID 940-8i (4Y37A09728) is a tri-mode PCIe 4.0 x8 RAID adapter with 4GB of CacheVault flash cache, supporting SAS, SATA and NVMe U.3 drives.

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Lenovo ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb RAID Adapter

4Y37A09728 · Refurbished · 1 year warranty

Quantity (units)

Overview

Tri-mode support is the reason to pick the ThinkSystem RAID 940-8i, part number 4Y37A09728. One Broadcom SAS3908 controller handles SAS, SATA and NVMe U.3 drives, up to 8 devices through a single x8 SFF-8654 connector. Broadcom's equivalent is the MegaRAID 9560-8i 4G.

The card is low profile and uses a PCIe 4.0 x8 host interface. Its 4GB cache is backed by CacheVault flash, and it covers RAID 0, 1, 5, 6, 10, 50 and 60, with JBOD for drives you want to pass straight through. The Lenovo feature code is B8NY.

Compatibility spans several ThinkSystem generations: V4 servers such as the SR630 V4 and SR650 V4, V3 models such as the SR630 V3, SR650 V3 and SR665 V3, V2 models such as the SR650 V2, and earlier servers including the SR630, SR650 and ST550. The full list is in the FAQ.

Available New and Refurbished, each with 1 year or 3 years of warranty, or Used with 90 days. Put 4Y37A09728 on an RFQ with the quantity and we will reply.

Specifications

Lenovo 4Y37A09728 specifications
Manufacturer part number	4Y37A09728
Brand	Lenovo
Form factor	PCIe low profile
Jbod	Yes
Ports	8
Cache	4 GB
Tri mode	Yes
Interface	12Gb SAS/SATA, PCIe Gen4
Controller	Broadcom SAS3908
Max devices	8
RAID levels	0, 1, 5, 6, 10, 50, 60
Feature code	B8NY
Component type	RAID controller
Host interface	PCIe 4.0 x8
Drive interface	SAS, SATA, NVMe U.3
Port connectors	1 x8 SFF-8654
Cache protection	CacheVault flash
Compatible systems	ThinkSystem SR635 V3, SR655 V3, SR645 V3, SR665 V3, ST650 V3, SR630 V3, SR650 V3, SR630 V4, SR650 V4, SR650a V4, ST250 V3, SR250 V3, SR850 V3, SR860 V3, SR950 V3, SR850 V4, SR860 V4, SR675 V3, SE455 V3, ST250 V2, ST650 V2, SR630 V2, SR650 V2, SR635, SR655, SR665, SR670 V2, SR850 V2, SR860 V2, SR950, SR850, SR850P, SR860, ST50, ST250, SR150, SR250, ST550, SR530, SR550, SR570, SR590, SR630, SR650, SR670
Broadcom equivalent	MegaRAID 9560-8i 4G

Specifications from the manufacturer's datasheet ↗

Compatibility

The manufacturer lists this part for:

ThinkSystem SR635 V3, SR655 V3, SR645 V3, SR665 V3, ST650 V3, SR630 V3, SR650 V3, SR630 V4, SR650 V4, SR650a V4, ST250 V3, SR250 V3, SR850 V3, SR860 V3, SR950 V3, SR850 V4, SR860 V4, SR675 V3, SE455 V3, ST250 V2, ST650 V2, SR630 V2, SR650 V2, SR635, SR655, SR665, SR670 V2, SR850 V2, SR860 V2, SR950, SR850, SR850P, SR860, ST50, ST250, SR150, SR250, ST550, SR530, SR550, SR570, SR590, SR630, SR650, SR670

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

FAQ

Which servers is the 4Y37A09728 compatible with?: ThinkSystem SR635 V3, SR655 V3, SR645 V3, SR665 V3, ST650 V3, SR630 V3, SR650 V3, SR630 V4, SR650 V4, SR650a V4, ST250 V3, SR250 V3, SR850 V3, SR860 V3, SR950 V3, SR850 V4, SR860 V4, SR675 V3, SE455 V3, ST250 V2, ST650 V2, SR630 V2, SR650 V2, SR635, SR655, SR665, SR670 V2, SR850 V2, SR860 V2, SR950, SR850, SR850P, SR860, ST50, ST250, SR150, SR250, ST550, SR530, SR550, SR570, SR590, SR630, SR650 and SR670.
Does the RAID 940-8i support NVMe drives?: Yes. It is tri-mode, supporting SAS, SATA and NVMe U.3 drives, up to 8 devices.
What connector does the 4Y37A09728 use?: One x8 SFF-8654 connector.
How much cache does it have and how is it protected?: 4GB, protected by CacheVault flash.
What is the Broadcom equivalent of this adapter?: The Broadcom MegaRAID 9560-8i 4G, on the SAS3908 controller.