Product comparison · 2 raid controllers

Lenovo ThinkServer 8708EM2 vs Lenovo ThinkServer RAID 500 II

5specifications compared
4differ
1identical
24known for one product only

Key differences

Supported storage drive interfaces
- ThinkServer 8708EM2:SAS, Serial ATA
- ThinkServer RAID 500 II:SAS
RAID levels
- ThinkServer 8708EM2:0, 1, 5, 10, 50, 60
- ThinkServer RAID 500 II:0, 1, 10
Internal memory
- ThinkServer 8708EM2:256 MB
- ThinkServer RAID 500 II:512 MB

Side by side

Differences highlightedShow differences only

Comparison of ThinkServer 8708EM2, ThinkServer RAID 500 II
29 specifications	A Lenovo ThinkServer 8708EM2 View product	B Lenovo ThinkServer RAID 500 II View product
Ports & interfaces1 differ
Supported storage drive interfacesDiffers	SAS, Serial ATA	SAS
Host interface	PCI Express x8	PCI Express x8
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Performance3 differ
RAID Level MigrationKnown for one	Yes	Unknown — not stated by the source
RAID levelsDiffers	0, 1, 5, 10, 50, 60	0, 1, 10
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Internal memoryDiffers	256 MB	512 MB
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
ChipsetKnown for one	LSISAS1078	Unknown — not stated by the source
Number of devices supportedKnown for one	8	Unknown — not stated by the source
Online Capacity ExpansionKnown for one	Yes	Unknown — not stated by the source
CertificationDiffers	UL, CE EMC, C-tick, GS, cUL, CB, FCC	C-Tick, CB, cUL, FCC, GS, UL
Form factorKnown for one	Unknown — not stated by the source	LP
Channels quantityKnown for one	Unknown — not stated by the source	8 channels
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	2000000 h
Compatible productsKnown for one	Unknown — not stated by the source	ThinkServer RD330; RD430; RD530; RD630; TS430
Processoridentical
Processor frequencyKnown for one	500 MHz	Unknown — not stated by the source
Processor familyKnown for one	PowerPC	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	18.7 mm	Unknown — not stated by the source
DepthKnown for one	167.7 mm	Unknown — not stated by the source
HeightKnown for one	64.4 mm	Unknown — not stated by the source
WeightKnown for one	105 g	Unknown — not stated by the source
Other featuresidentical
PCI Card form factorKnown for one	Half-height (low-profile)	Unknown — not stated by the source
Number of products includedKnown for one	Unknown — not stated by the source	1 pc(s)
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

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.

More raid controller comparisons

All raid controller comparisons