Product comparison · 2 raid controllers

Dell 405-AAEK RAID controller PCI Express x8 3.0 vs Lenovo RAID 940-16I

6specifications compared
5differ
1identical
12known for one product only

Key differences

The Lenovo RAID 940-16I has 1 more PCI Express slots version than the Dell 405-AAEK RAID controller PCI Express x8 3.0 (4.0 vs 3.0). The Dell 405-AAEK RAID controller PCI Express x8 3.0 has 239 more devices supported than the Lenovo RAID 940-16I (255 vs 16). Supported storage drive interfaces: SAS, Serial ATA III on the Dell 405-AAEK RAID controller PCI Express x8 3.0, SAS, Serial ATA on the Lenovo RAID 940-16I. Host interface: PCI Express x8 on the Dell 405-AAEK RAID controller PCI Express x8 3.0, PCI Express x4 on the Lenovo RAID 940-16I. RAID levels: 0, 1, 5, 6, 10, 50, 60 on the Dell 405-AAEK RAID controller PCI Express x8 3.0, 0, 1, 5, 10, 50, 60 on the Lenovo RAID 940-16I.

Supported storage drive interfaces
- 405-AAEK RAID controller PCI Express x8 3.0:SAS, Serial ATA III
- RAID 940-16I:SAS, Serial ATA
Host interface
- 405-AAEK RAID controller PCI Express x8 3.0:PCI Express x8
- RAID 940-16I:PCI Express x4
PCI Express slots version
- 405-AAEK RAID controller PCI Express x8 3.0:3.0
- RAID 940-16I:4.0
RAID levels
- 405-AAEK RAID controller PCI Express x8 3.0:0, 1, 5, 6, 10, 50, 60
- RAID 940-16I:0, 1, 5, 10, 50, 60
Number of devices supported
- 405-AAEK RAID controller PCI Express x8 3.0:255
- RAID 940-16I:16

Side by side

Differences highlightedShow differences only

Comparison of 405-AAEK, RAID 940-16I
18 specifications	A Dell 405-AAEK RAID controller PCI Express x8 3.0 Model 405-AAEK View product	B Lenovo RAID 940-16I View product
Ports & interfaces3 differ
Supported storage drive interfacesDiffers	SAS, Serial ATA III	SAS, Serial ATA
Host interfaceDiffers	PCI Express x8	PCI Express x4
PCI Express slots versionDiffers	3.0	4.0
Performance2 differ
RAID levelsDiffers	0, 1, 5, 6, 10, 50, 60	0, 1, 5, 10, 50, 60
Channels quantityKnown for one	8 channels	Unknown — not stated by the source
Number of devices supportedDiffers	255	16
Compatible productsKnown for one	PowerEdge R430 PowerEdge R530 PowerEdge R630 PowerEdge R640 PowerEdge R730 PowerEdge R730XD PowerEdge R740 PowerEdge R740XD	Unknown — not stated by the source
RAID Level MigrationKnown for one	Unknown — not stated by the source	Yes
Data transfer rateKnown for one	Unknown — not stated by the source	12 Gbit/s
Form factorKnown for one	Unknown — not stated by the source	Low-Profile MD2 PCIe AIC
SSD supportKnown for one	Unknown — not stated by the source	Yes
Processoridentical
Built-in processorKnown for one	SAS 3108	Unknown — not stated by the source
Processor familyKnown for one	LSI	Unknown — not stated by the source
System requirementsidentical
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Server operating systems supportedKnown for one	Windows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2012	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	167.6 mm	Unknown — not stated by the source
DepthKnown for one	64.4 mm	Unknown — not stated by the source

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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