Product comparison · 2 raid controllers

Dell PERC H755 vs Lenovo 4Y37A72485 RAID controller PCI Express x8 3.0 12 Gbit/s

4specifications compared
3differ
1identical
18known for one product only

Key differences

Supported storage drive interfaces
- PERC H755:SAS
- 4Y37A72485 RAID controller PCI Express x8 3.0 12 Gbit/s:SAS, Serial ATA
Host interface
- PERC H755:PCI Express
- 4Y37A72485 RAID controller PCI Express x8 3.0 12 Gbit/s:PCI Express x8
RAID levels
- PERC H755:0, 1, 5, 6, 10, 50, 60
- 4Y37A72485 RAID controller PCI Express x8 3.0 12 Gbit/s:0, 1, 10, 5, 50, 6, 60

Side by side

Differences highlightedShow differences only

Comparison of PERC H755, 4Y37A72485
22 specifications	A Dell PERC H755 View product	B Lenovo 4Y37A72485 RAID controller PCI Express x8 3.0 12 Gbit/s Model 4Y37A72485 View product
Ports & interfaces2 differ
Supported storage drive interfacesDiffers	SAS	SAS, Serial ATA
Host interfaceDiffers	PCI Express	PCI Express x8
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
Performance1 differ
RAID levelsDiffers	0, 1, 5, 6, 10, 50, 60	0, 1, 10, 5, 50, 6, 60
Data transfer rateKnown for one	Unknown — not stated by the source	12 Gbit/s
SSD supportKnown for one	Unknown — not stated by the source	Yes
Internal memoryKnown for one	Unknown — not stated by the source	4000 MB
ChipsetKnown for one	Unknown — not stated by the source	Microchip Luxor ROC PM8236
JBOD functionKnown for one	Unknown — not stated by the source	Yes
Number of devices supportedKnown for one	Unknown — not stated by the source	16
Hot-swap	Yes	Yes
CertificationKnown for one	Unknown — not stated by the source	FCC Part 15 Class A Australia/New Zealand (AS/NZS 3548) Canada (ICES-003 Class B) Europe (EN55032/EN55024) Japan VCCI Korea KCC RoHS compliant EN/IEC/UL 60950 USA (FCC 47 CFR part 15 Subpart B class B)
Internal memory typeKnown for one	DDR4	Unknown — not stated by the source
Memory clock speedKnown for one	2666 MHz	Unknown — not stated by the source
Online Capacity ExpansionKnown for one	Yes	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 55 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	167 mm
HeightKnown for one	Unknown — not stated by the source	64 mm
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733080	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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