Product comparison · 2 raid controllers

HP SmartArray P420 RAID controller PCI Express x8 6 Gbit/s vs Lenovo ThinkSystem RAID 940-16i

5specifications compared
3differ
2identical
17known for one product only

Key differences

The Lenovo ThinkSystem RAID 940-16i has 6 Gbit/s more data transfer rate than the HP SmartArray P420 RAID controller PCI Express x8 6 Gbit/s (12 Gbit/s vs 6 Gbit/s). Only the Lenovo ThinkSystem RAID 940-16i has SSD support. RAID levels: 0, 1, 1+0, 5, 6, 50, 60 on the HP SmartArray P420 RAID controller PCI Express x8 6 Gbit/s, 0, 1, 5, 6, 10, 50, 60, JBOD on the Lenovo ThinkSystem RAID 940-16i.

RAID levels
- SmartArray P420 RAID controller PCI Express x8 6 Gbit/s:0, 1, 1+0, 5, 6, 50, 60
- ThinkSystem RAID 940-16i:0, 1, 5, 6, 10, 50, 60, JBOD
Data transfer rate
- SmartArray P420 RAID controller PCI Express x8 6 Gbit/s:6 Gbit/s
- ThinkSystem RAID 940-16i:12 Gbit/s
SSD support
- SmartArray P420 RAID controller PCI Express x8 6 Gbit/s:No
- ThinkSystem RAID 940-16i:Yes

Side by side

Differences highlightedShow differences only

Comparison of P420, ThinkSystem RAID 940-16i
22 specifications	A HP SmartArray P420 RAID controller PCI Express x8 6 Gbit/s Model P420 View product	B Lenovo ThinkSystem RAID 940-16i View product
Ports & interfacesidentical
Supported storage drive interfaces	SAS	SAS
Host interface	PCI Express x8	PCI Express x8
PCI Express slots versionKnown for one	Unknown — not stated by the source	4.0
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
RAID levelsDiffers	0, 1, 1+0, 5, 6, 50, 60	0, 1, 5, 6, 10, 50, 60, JBOD
Data transfer rateDiffers	6 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 productsKnown for one	Unknown — not stated by the source	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
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
Weight & dimensionsidentical
WidthKnown for one	57 mm	Unknown — not stated by the source
DepthKnown for one	241 mm	Unknown — not stated by the source
HeightKnown for one	191 mm	Unknown — not stated by the source
WeightKnown for one	370 g	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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