Product comparison · 2 servers

Lenovo ThinkServer RD120 server vs NEC SI series SI1720 server

28specifications compared
17differ
11identical
68known for one product only

Key differences

Processor family
- ThinkServer RD120 server:Intel® Xeon® 5000 Sequence
- SI series SI1720 server:Intel® Xeon®
Processor frequency
- ThinkServer RD120 server:2.5 GHz
- SI series SI1720 server:2.66 GHz
Processor cache
- ThinkServer RD120 server:12 MB
- SI series SI1720 server:6 MB
Motherboard chipset
- ThinkServer RD120 server:Intel® 5000P
- SI series SI1720 server:Intel® 3210
Number of processors installed
- ThinkServer RD120 server:2
- SI series SI1720 server:1
Internal memory
- ThinkServer RD120 server:4 GB
- SI series SI1720 server:2 GB
Memory clock speed
- ThinkServer RD120 server:667 MHz
- SI series SI1720 server:800 MHz
Memory slots
- ThinkServer RD120 server:12x DIMM
- SI series SI1720 server:4

Side by side

Differences highlightedShow differences only

Comparison of RD120, SI1720
96 specifications	A Lenovo ThinkServer RD120 server Model RD120 View product	B NEC SI series SI1720 server Model SI1720 View product
Processor5 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon®
Processor modelKnown for one	E5420	Unknown — not stated by the source
Processor frequencyDiffers	2.5 GHz	2.66 GHz
Processor cacheDiffers	12 MB	6 MB
Motherboard chipsetDiffers	Intel® 5000P	Intel® 3210
Number of processors installedDiffers	2	1
Thermal Design Power (TDP)Known for one	80 W	Unknown — not stated by the source
Bus typeKnown for one	FSB	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	7.5	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
FSB ParityKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Maximum number of SMP processorsKnown for one	2	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	820 M	Unknown — not stated by the source
Processing Die sizeKnown for one	214 mm²	Unknown — not stated by the source
Processor codeKnown for one	SLANV	Unknown — not stated by the source
Processor codenameKnown for one	Harpertown	Unknown — not stated by the source
Processor lithographyKnown for one	45 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Processor seriesKnown for one	Intel Xeon 5400 Series	Unknown — not stated by the source
Processor socketKnown for one	LGA 771 (Socket J)	Unknown — not stated by the source
Processor system typeKnown for one	DP	Unknown — not stated by the source
Processor threadsKnown for one	4	Unknown — not stated by the source
SteppingKnown for one	C0	Unknown — not stated by the source
TcaseKnown for one	67 °C	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	4 GB	2 GB
Memory clock speedDiffers	667 MHz	800 MHz
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Memory slotsDiffers	12x DIMM	4
Maximum internal memoryDiffers	48 GB	8 GB
Storage3 differ
Total storage capacityDiffers	146 GB	250 GB
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD interfaceDiffers	Serial Attached SCSI (SAS)	Serial ATA II
RAID levelsDiffers	1, 5, 6, 10, 1E	5, 6
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Networkidentical
Network readyKnown for one	Unknown — not stated by the source	Yes
Supported network protocolsKnown for one	Unknown — not stated by the source	10/100/1000 Base-T(X)
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	5
Design1 differ
Chassis typeDiffers	Rack (2U)	Tower (6U)
Software1 differ
Compatible operating systemsDiffers	Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 x64, Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 5 x64, SUSE LINUX Enterprise Server10, SUSE LINUX Enterprise Server 10 x64	Windows Server 2003 R2 SP2 (x64, x86), Red Hat Linux EL 4.5/EL 5.1
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	Yes	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	33927	Unknown — not stated by the source
Power1 differ
Redundant power supply (RPS) supportDiffers	Yes	No
Power supplyKnown for one	835 W	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	443.6 mm	Unknown — not stated by the source
DepthKnown for one	705 mm	Unknown — not stated by the source
HeightKnown for one	85.4 mm	Unknown — not stated by the source
WeightDiffers	29.3 kg	25 kg
Other featuresidentical
Graphics cardKnown for one	ES1000	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	452 x 236 x 483 mm
Drive baysKnown for one	Unknown — not stated by the source	5.25" x 2, 3.5" x 1
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	32 MB
Expansion slotsidentical
PCI Express x4 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x8 slotsKnown for one	Unknown — not stated by the source	2
PCI slotsKnown for one	Unknown — not stated by the source	2

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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