Product comparison · 2 raid controllers

Lenovo 4Y37A09728 RAID controller PCI Express x8 4.0 12 Gbit/s vs Lenovo ThinkSystem RAID 940-16i

6specifications compared
1differ
5identical
16known for one product only

Key differences

Supported storage drive interfaces
- 4Y37A09728 RAID controller PCI Express x8 4.0 12 Gbit/s:SAS, Serial ATA
- ThinkSystem RAID 940-16i:SAS

Side by side

Differences highlightedShow differences only

Comparison of 4Y37A09728, ThinkSystem RAID 940-16i
22 specifications	A Lenovo 4Y37A09728 RAID controller PCI Express x8 4.0 12 Gbit/s Model 4Y37A09728 View product	B Lenovo ThinkSystem RAID 940-16i View product
Ports & interfaces1 differ
Supported storage drive interfacesDiffers	SAS, Serial ATA	SAS
Internal SAS portsKnown for one	8	Unknown — not stated by the source
Internal SATA ports quantityKnown for one	8	Unknown — not stated by the source
Performanceidentical
RAID Level MigrationKnown for one	Unknown — not stated by the source	Yes
SSD supportKnown for one	Unknown — not stated by the source	Yes
Internal memoryKnown for one	Unknown — not stated by the source	8000 MB
Number of devices supportedKnown for one	Unknown — not stated by the source	16
Hot-swapKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	USA (FCC 47 CFR part 15 Subpart B, class B) Canada (ICES -003, Class B) Taiwan (CNS 13438) Japan (VCCI V-3) Australia/New Zealand (AS/NZS CISPR 22) Korea (RRA no 2013-24 & 25) Europe (EN55022/EN55024) Safety: EN/ IEC/ UL 60950 RoHS WEEE
Compatible productsKnown for one	Unknown — not stated by the source	SR665 (7D2W/7D2V), SR645 (7D2Y/7D2X)
ChipsetKnown for one	Broadcom SAS3908	Unknown — not stated by the source
JBOD functionKnown for one	Yes	Unknown — not stated by the source
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
System requirementsidentical
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows Server 2016 Microsoft Windows Server 2019 Red Hat Enterprise Linux 8.1 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 12 SP5 with Xen SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server 15 SP1 with Xen VMware vSphere Hypervisor (ESXi) 6.7 U3 VMware vS
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 55 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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