Product comparison · 2 raid controllers

Dell 405-AAER RAID controller PCI Express x8 3.0 1.2 Gbit/s vs Lenovo ThinkSystem RAID 940-16i

7specifications compared
4differ
3identical
18known for one product only

Key differences

The Lenovo ThinkSystem RAID 940-16i has 1 more PCI Express slots version than the Dell 405-AAER RAID controller PCI Express x8 3.0 1.2 Gbit/s (4.0 vs 3.0). The Lenovo ThinkSystem RAID 940-16i has 10.8 Gbit/s more data transfer rate than the Dell 405-AAER RAID controller PCI Express x8 3.0 1.2 Gbit/s (12 Gbit/s vs 1.2 Gbit/s). Only the Lenovo ThinkSystem RAID 940-16i has SSD support.

PCI Express slots version
- 405-AAER RAID controller PCI Express x8 3.0 1.2 Gbit/s:3.0
- ThinkSystem RAID 940-16i:4.0
Data transfer rate
- 405-AAER RAID controller PCI Express x8 3.0 1.2 Gbit/s:1.2 Gbit/s
- ThinkSystem RAID 940-16i:12 Gbit/s
SSD support
- 405-AAER RAID controller PCI Express x8 3.0 1.2 Gbit/s:No
- ThinkSystem RAID 940-16i:Yes

Side by side

Differences highlightedShow differences only

Comparison of 405-AAER, ThinkSystem RAID 940-16i
25 specifications	A Dell 405-AAER RAID controller PCI Express x8 3.0 1.2 Gbit/s Model 405-AAER View product	B Lenovo ThinkSystem RAID 940-16i View product
Ports & interfaces1 differ
PCI Express slots versionDiffers	3.0	4.0
Internal mini-SAS portsKnown for one	4	Unknown — not stated by the source
Internal SAS portsKnown for one	2	Unknown — not stated by the source
Performance3 differ
RAID Level MigrationKnown for one	Unknown — not stated by the source	Yes
Data transfer rateDiffers	1.2 Gbit/s	12 Gbit/s
SSD supportDiffers	No	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 productsDiffers	- PowerEdge R330XL - PowerEdge R630XL - PowerEdge R730 - PowerEdge R730XD - PowerEdge R430 - PowerEdge C4130 - PowerEdge FC630 - PowerEdge R230 - PowerEdge R230XL - PowerEdge R330 - PowerEdge M630P - PowerEdge FC830 - Poweredge R830 - PowerEdge R530 - PowerEdge R730XL - PowerEdge R630 - PowerEdge FC	SR665 (7D2W/7D2V), SR645 (7D2Y/7D2X)
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
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
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%
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84733080
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
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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