Product comparison · 2 servers

NEC SI1520 server vs NEC SI series SI1720 server

25specifications compared
9differ
16identical
68known for one product only

Key differences

Processor frequency
- SI1520 server:2.33 GHz
- SI series SI1720 server:2.66 GHz
Processor cores
- SI1520 server:2
- SI series SI1720 server:4
Processor cache
- SI1520 server:4 MB
- SI series SI1720 server:6 MB
Internal memory
- SI1520 server:1 GB
- SI series SI1720 server:2 GB
Total storage capacity
- SI1520 server:320 GB
- SI series SI1720 server:250 GB
Chassis type
- SI1520 server:Tower (5U)
- SI series SI1720 server:Tower (6U)
Weight
- SI1520 server:15 kg
- SI series SI1720 server:25 kg
Dimensions (WxDxH)
- SI1520 server:425 x 198 x 465 mm
- SI series SI1720 server:452 x 236 x 483 mm

Side by side

Differences highlightedShow differences only

Comparison of SI1520, SI1720
93 specifications	A NEC SI1520 server Model SI1520 View product	B NEC SI series SI1720 server Model SI1720 View product
Processor3 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor family	Intel® Xeon®	Intel® Xeon®
Processor modelKnown for one	3065	Unknown — not stated by the source
Processor frequencyDiffers	2.33 GHz	2.66 GHz
Processor coresDiffers	2	4
Processor cacheDiffers	4 MB	6 MB
Motherboard chipset	Intel® 3210	Intel® 3210
Number of processors installed	1	1
Thermal Design Power (TDP)Known for one	65 W	Unknown — not stated by the source
Processor cache type	L2	L2
Bus typeKnown for one	FSB	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	7	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	No	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	291 M	Unknown — not stated by the source
Processing Die sizeKnown for one	143 mm²	Unknown — not stated by the source
Processor codenameKnown for one	Conroe	Unknown — not stated by the source
Processor front side bus	1333 MHz	1333 MHz
Processor lithographyKnown for one	65 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 3000 Series	Unknown — not stated by the source
Processor socketKnown for one	LGA 775 (Socket T)	Unknown — not stated by the source
Processor threadsKnown for one	2	Unknown — not stated by the source
TcaseKnown for one	72 °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
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Memory slots	4	4
Maximum internal memory	8 GB	8 GB
ECCKnown for one	Unknown — not stated by the source	Yes
Memory clock speedKnown for one	Unknown — not stated by the source	800 MHz
Storage1 differ
Total storage capacityDiffers	320 GB	250 GB
Number of HDDs installedKnown for one	2	Unknown — not stated by the source
HDD capacityKnown for one	160 GB	Unknown — not stated by the source
HDD interface	Serial ATA II	Serial ATA II
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
RAID levelsKnown for one	Unknown — not stated by the source	5, 6
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
Maximum graphics card memory	32 MB	32 MB
Networkidentical
Network ready	Yes	Yes
Supported network protocolsKnown for one	Unknown — not stated by the source	10/100/1000 Base-T(X)
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfacesidentical
InterfaceKnown for one	2 Gigabit Ethernet	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	2	2
USB 2.0 ports quantity	5	5
PS/2 ports quantity	2	2
Serial ports quantity	1	1
Supports EPP and ECPKnown for one	Yes	Unknown — not stated by the source
VGA (D-Sub) ports quantity	1	1
Design1 differ
Chassis typeDiffers	Tower (5U)	Tower (6U)
Software1 differ
Compatible operating systemsDiffers	Windows ServerTM 2003 R2 SP2 (x64, x86), Red Hat LinuxTM EL 4.5, EL 5.1, Fedora, Debian, Mandriva CS 4.0,Novell Suse SLES 10	Windows Server 2003 R2 SP2 (x64, x86), Red Hat Linux EL 4.5/EL 5.1
Bundled softwareKnown for one	Embedded IMPI 2.0 Management Controller, Syam System Area Management Made SimpleTM, Microsoft System Center Essentials Suite, ExpressBuilder	Unknown — not stated by the source
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	No	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	Yes	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	30775	Unknown — not stated by the source
Poweridentical
Number of power supply unitsKnown for one	1	Unknown — not stated by the source
Power consumption (typical)Known for one	400 W	Unknown — not stated by the source
Redundant power supply (RPS) supportKnown for one	Unknown — not stated by the source	No
Weight & dimensions1 differ
WeightDiffers	15 kg	25 kg
Other features1 differ
Dimensions (WxDxH)Differs	425 x 198 x 465 mm	452 x 236 x 483 mm
Drive baysKnown for one	Unknown — not stated by the source	5.25" x 2, 3.5" x 1
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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