Product comparison · 2 servers

Dell PowerEdge R660XS server vs Lenovo SR635 V3

27specifications compared
18differ
9identical
56known for one product only

Key differences

Processor manufacturer
- PowerEdge R660XS server:Intel
- SR635 V3:AMD
Processor family
- PowerEdge R660XS server:Intel Xeon Silver
- SR635 V3:AMD EPYC
Processor model
- PowerEdge R660XS server:4514Y
- SR635 V3:9015
Processor frequency
- PowerEdge R660XS server:2 GHz
- SR635 V3:3.6 GHz
Processor boost frequency
- PowerEdge R660XS server:3.4 GHz
- SR635 V3:4.1 GHz
Processor cores
- PowerEdge R660XS server:16
- SR635 V3:8
Processor cache
- PowerEdge R660XS server:30 MB
- SR635 V3:64 MB
Internal memory
- PowerEdge R660XS server:16 GB
- SR635 V3:32 GB

Side by side

Differences highlightedShow differences only

Comparison of R660XS, SR635 V3
83 specifications	A Dell PowerEdge R660XS server Model R660XS View product	B Lenovo SR635 V3 View product
Processor7 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel Xeon Silver	AMD EPYC
Processor modelDiffers	4514Y	9015
Processor frequencyDiffers	2 GHz	3.6 GHz
Processor boost frequencyDiffers	3.4 GHz	4.1 GHz
Processor coresDiffers	16	8
Processor cacheDiffers	30 MB	64 MB
Motherboard chipsetKnown for one	Intel C741	Unknown — not stated by the source
Number of processors installed	1	1
Thermal Design Power (TDP)Known for one	150 W	Unknown — not stated by the source
System bus rateKnown for one	16 GT/s	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	4400 MHz	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR5-SDRAM	Unknown — not stated by the source
Processor threadsKnown for one	32	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	16 GB	32 GB
Internal memory type	DDR5-SDRAM	DDR5-SDRAM
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Memory rankingKnown for one	1	Unknown — not stated by the source
Memory slotsDiffers	16x DIMM	12x DIMM
Memory data transfer rateKnown for one	5600 MT/s	Unknown — not stated by the source
Maximum internal memoryDiffers	1 TB	1.5 TB
ECCKnown for one	Unknown — not stated by the source	Yes
Memory clock speedKnown for one	Unknown — not stated by the source	4800 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 32 GB
Storageidentical
Total storage capacityKnown for one	2 TB	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	2 TB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA III	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Number of HDDs supportedKnown for one	4	Unknown — not stated by the source
Supported HDD sizesKnown for one	3.5"	Unknown — not stated by the source
RAID supportKnown for one	Yes	Unknown — not stated by the source
Supported RAID controllersKnown for one	PERC H755 SAS Front	Unknown — not stated by the source
Hot-Plug supportKnown for one	Yes	Unknown — not stated by the source
Optical drive type	No	No
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Internal drive baysKnown for one	Unknown — not stated by the source	8
Networkidentical
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
LAN controllerKnown for one	Broadcom 57416	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	4
VGA (D-Sub) ports quantity	2	2
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
PCI Express x16 (Gen 4.x) slotsKnown for one	1	Unknown — not stated by the source
Design1 differ
Chassis type	Rack (1U)	Rack (1U)
Product colourDiffers	Black	Black, Metallic
Rack railsKnown for one	Yes	Unknown — not stated by the source
Rack mountingKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Remote administrationKnown for one	iDRAC9, Enterprise 16G	Unknown — not stated by the source
Trusted Platform Module (TPM)	Yes	Yes
Trusted Platform Module (TPM) version	2.0	2.0
Performance managementKnown for one	Unknown — not stated by the source	XClarity Standard
Software1 differ
Operating system installed	No	No
Compatible operating systemsDiffers	Canonical Ubuntu Server LTS Microsoft Windows Server with Hyper-V Red Hat Enterprise Linux SUSE Linux Enterprise Server VMware vSAN/ESXi	Microsoft Windows Server, Microsoft Windows 10 & 11, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, Ubuntu Server
Power2 differ
Redundant power supply (RPS) support	Yes	Yes
Power supplyDiffers	1400 W	1100 W
Number of redundant power supplies supportedKnown for one	2	Unknown — not stated by the source
Number of redundant power supplies installedDiffers	2	1
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	0 - 12000 m	Unknown — not stated by the source
Carbon footprintidentical
Carbon emissions, end-of-life (kg of CO2e)Known for one	0	Unknown — not stated by the source
Carbon emissions, energy usage (kg of CO2e)Known for one	5970.51	Unknown — not stated by the source
Carbon emissions, logistics (kg of CO2e)Known for one	131.22	Unknown — not stated by the source
Carbon emissions, manufacturing (kg of CO2e)Known for one	459.27	Unknown — not stated by the source
PAIA versionKnown for one	1.3.2, 2022	Unknown — not stated by the source
Total carbon emissions, standard deviation (kg of CO2e)Known for one	3677	Unknown — not stated by the source
Total carbon footprint (kg of CO2e)Known for one	6561	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	434 mm	440 mm
HeightDiffers	42.8 mm	43 mm
DepthKnown for one	Unknown — not stated by the source	773 mm
WeightKnown for one	Unknown — not stated by the source	20.2 kg
Packaging contentidentical
Packaging contentKnown for one	Power Cord - C13, 3M, 125V, 15A	Unknown — not stated by the source
Other featuresidentical
Bytes per sectorKnown for one	512n	Unknown — not stated by the source
Data transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Open Compute Project (OCP)Known for one	NIC 3.0	Unknown — not stated by the source
Certificatesidentical
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS Titanium
CertificationKnown for one	Unknown — not stated by the source	ANSI/UL 62368-1 IEC 62368-1 (CB Certificate and CB Test Report) FCC - Verified to comply with Part 15 of the FCC Rules, Class A Canada ICES-003, issue 7, Class A CSA C22.2 No. 62368-1 CISPR 32, Class A, CISPR 35 Japan VCCI, Class A Taiwan BSMI CNS15936, Class A; CNS15598-1; Section 5 of CNS15663 CE,

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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