Product comparison · 2 servers

Lenovo ThinkServer RD550 server vs Lenovo ThinkServer RD650 server

121specifications compared
10differ
111identical
15known for one product only

Key differences

Maximum storage capacity
- ThinkServer RD550 server:14.4 TB
- ThinkServer RD650 server:30.8 TB
Number of HDDs supported
- ThinkServer RD550 server:12
- ThinkServer RD650 server:26
USB 2.0 ports quantity
- ThinkServer RD550 server:0
- ThinkServer RD650 server:2
DisplayPorts quantity
- ThinkServer RD550 server:1
- ThinkServer RD650 server:2
PCI Express x8 (Gen 3.x) slots
- ThinkServer RD550 server:2
- ThinkServer RD650 server:8
Chassis type
- ThinkServer RD550 server:Rack (1U)
- ThinkServer RD650 server:Rack (2U)
Depth
- ThinkServer RD550 server:780 mm
- ThinkServer RD650 server:764 mm
Height
- ThinkServer RD550 server:43 mm
- ThinkServer RD650 server:87 mm

Side by side

Differences highlightedShow differences only

Comparison of RD550, RD650
136 specifications	A Lenovo ThinkServer RD550 server Model RD550 View product	B Lenovo ThinkServer RD650 server Model RD650 View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel Xeon E5 v3	Intel Xeon E5 v3
Processor model	E5-2620V3	E5-2620V3
Processor frequency	2.4 GHz	2.4 GHz
Processor boost frequency	3.2 GHz	3.2 GHz
Processor cores	6	6
Processor cache	15 MB	15 MB
Motherboard chipset	Intel® C612	Intel® C612
Memory channels supported by processor	Quad	Quad
Number of processors installed	1	1
Thermal Design Power (TDP)	85 W	85 W
Processor cache type	Smart Cache	Smart Cache
System bus rate	8 GT/s	8 GT/s
Bus type	QPI	QPI
ECC supported by processor	Yes	Yes
Embedded options available	Yes	Yes
Execute Disable Bit	Yes	Yes
FSB Parity	No	No
Idle States	Yes	Yes
Maximum internal memory supported by processor	768 GB	768 GB
Maximum number of PCI Express lanes	40	40
Maximum number of SMP processors	2	2
Memory bandwidth supported by processor (max)	59 GB/s	59 GB/s
Memory clock speeds supported by processor	1600,1866 MHz	1600,1866 MHz
Memory types supported by processor	DDR4-SDRAM	DDR4-SDRAM
Number of QPI links	2	2
PCI Express configurations	x4, x8, x16	x4, x8, x16
Physical Address Extension (PAE)	Yes	Yes
Processor code	SR207	SR207
Processor codename	Haswell	Haswell
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor package size	52.5 x 45 mm	52.5 x 45 mm
Processor series	Intel Xeon E5-2600 v3	Intel Xeon E5-2600 v3
Processor socket	LGA 2011-v3	LGA 2011-v3
Processor threads	12	12
Scalability	2S	2S
Stepping	R2	R2
Supported instruction sets	AVX	AVX
Tcase	72.6 °C	72.6 °C
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Compatible processor seriesKnown for one	Unknown — not stated by the source	Intel® Xeon®
Memoryidentical
Internal memory	8 GB	8 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
ECC	Yes	Yes
Memory clock speed	2133 MHz	2133 MHz
Memory layout (slots x size)	1 x 8 GB	1 x 8 GB
Memory slots	24	24
Maximum internal memory	768 GB	768 GB
Storage2 differ
Maximum storage capacityDiffers	14.4 TB	30.8 TB
Total storage capacity	0 GB	0 GB
Number of HDDs installed	0	0
HDD interfaceKnown for one	Serial ATA, Serial Attached SCSI (SAS)	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Number of HDDs supportedDiffers	12	26
RAID support	Yes	Yes
RAID levels	0, 1, 5, 6, 10, 50, 60	0, 1, 5, 6, 10, 50, 60
Hot-swap	Yes	Yes
Optical drive type	No	No
Supported HDD sizesKnown for one	Unknown — not stated by the source	2.5"
Supported storage drive interfacesKnown for one	Unknown — not stated by the source	SAS, Serial ATA III
Graphicsidentical
On-board graphics card	Yes	Yes
On-board graphics card model	Not available	Not available
Maximum graphics card memory	16 MB	16 MB
Network1 differ
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ethernet LAN	Yes	Yes
Ethernet interface typeDiffers	Gigabit Ethernet	10 Gigabit Ethernet, Gigabit Ethernet
Ports & interfaces2 differ
Ethernet LAN (RJ-45) ports	5	5
USB 2.0 ports quantityDiffers	0	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
DisplayPorts quantityDiffers	1	2
Serial ports quantity	1	1
VGA (D-Sub) ports quantity	0	0
Expansion slots1 differ
PCI Express x8 (Gen 3.x) slotsDiffers	2	8
PCI Express x16 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express slots version	3.0	3.0
Design1 differ
Chassis typeDiffers	Rack (1U)	Rack (2U)
Redundant fans support	Yes	Yes
Rack mountingKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Noise levelKnown for one	6.5 dB	Unknown — not stated by the source
Software1 differ
Compatible operating systemsDiffers	- Microsoft Windows Server 2012 R2, 2012, 2008 R2, Windows Small Business Server 2011 - Red Hat Enterprise Linux 6.5, SUSE Linux Enterprise Server 11 - VMware vSphere (ESXi) 5.5 U2	Microsoft Windows Server 2012 R2 (Hyper-V) Microsoft Windows Server 2012 (Hyper-V) Microsoft Windows Server 2008 R2 SP1 (Hyper-V) SUSE Linux Enterprise Server Red Hat Enterprise Linux Server VMware vSphere ESXi Citrix XenServer
Operating system installedKnown for one	Unknown — not stated by the source	No
Processor special featuresidentical
CPU configuration (max)	2	2
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	Yes	Yes
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	0.00	0.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® OS Guard	Yes	Yes
Intel® Quick Sync Video Technology	No	No
Intel® Secure Key	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK ID	83352	83352
Poweridentical
Redundant power supply (RPS) support	Yes	Yes
Power supply	750 W	750 W
Number of main power suppliesKnown for one	1	Unknown — not stated by the source
Number of redundant power supplies supportedKnown for one	Unknown — not stated by the source	2
Number of redundant power supplies installedKnown for one	Unknown — not stated by the source	1
Operational conditionsidentical
Operating temperature (T-T)	10 - 45 °C	10 - 45 °C
Storage temperature (T-T)	-10 - 60 °C	-10 - 60 °C
Operating relative humidity (H-H)	20 - 80%	20 - 80%
Storage relative humidity (H-H)	8 - 90%	8 - 90%
Operating altitudeKnown for one	0 - 3048 m	Unknown — not stated by the source
Weight & dimensions2 differ
Width	482 mm	482 mm
DepthDiffers	780 mm	764 mm
HeightDiffers	43 mm	87 mm
WeightKnown for one	13.5 kg	Unknown — not stated by the source
Other featuresidentical
Graphics card	AST2400	AST2400
Graphics card family	Aspeed	Aspeed
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x
Security featuresKnown for one	Power-on and administrator password	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.

More server comparisons

All server comparisons