Product comparison · 2 servers

Dell PowerEdge R640 server vs Dell PowerEdge R740 server

74specifications compared
9differ
65identical
21known for one product only

Key differences

Number of processors installed
- PowerEdge R640 server:1
- PowerEdge R740 server:2
Memory clock speed
- PowerEdge R640 server:2666 MHz
- PowerEdge R740 server:2667 MHz
Maximum internal memory
- PowerEdge R640 server:192 GB
- PowerEdge R740 server:3 TB
USB 2.0 ports quantity
- PowerEdge R640 server:1
- PowerEdge R740 server:2
VGA (D-Sub) ports quantity
- PowerEdge R640 server:1
- PowerEdge R740 server:2
PCI Express x8 (Gen 3.x) slots
- PowerEdge R640 server:3
- PowerEdge R740 server:4
Chassis type
- PowerEdge R640 server:Rack (1U)
- PowerEdge R740 server:Rack (2U)
Depth
- PowerEdge R640 server:705 mm
- PowerEdge R740 server:715.5 mm

Side by side

Differences highlightedShow differences only

Comparison of R640, R740
95 specifications	A Dell PowerEdge R640 server Model R640 View product	B Dell PowerEdge R740 server Model R740 View product
Processor1 differ
Number of processors installedDiffers	1	2
Compatible processor seriesKnown for one	Unknown — not stated by the source	Intel® Xeon®
Intelligent Platform Management Interface (IPMI) supportKnown for one	Yes	Unknown — not stated by the source
Memory2 differ
Memory clock speedDiffers	2666 MHz	2667 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 16 GB
Maximum internal memoryDiffers	192 GB	3 TB
ECCKnown for one	Yes	Unknown — not stated by the source
Storageidentical
Maximum storage capacityKnown for one	Unknown — not stated by the source	80 TB
HDD speedKnown for one	Unknown — not stated by the source	10000 RPM
Number of HDDs supportedKnown for one	Unknown — not stated by the source	8
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Supported storage drive interfacesKnown for one	Unknown — not stated by the source	Serial ATA, Serial Attached SCSI
RAID levelsKnown for one	0, 1, 5, 10	Unknown — not stated by the source
Internal drive baysKnown for one	8	Unknown — not stated by the source
Networkidentical
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	1	2
VGA (D-Sub) ports quantityDiffers	1	2
Expansion slots1 differ
PCI Express x8 (Gen 3.x) slotsDiffers	3	4
Design1 differ
Chassis typeDiffers	Rack (1U)	Rack (2U)
Performanceidentical
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM) versionKnown for one	Unknown — not stated by the source	1.2
Processor special featuresidentical
Intel Secure BootKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Redundant power supply (RPS) supportKnown for one	Unknown — not stated by the source	Yes
Power supplyKnown for one	Unknown — not stated by the source	495 W
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	482 mm
DepthDiffers	705 mm	715.5 mm
HeightKnown for one	Unknown — not stated by the source	76.8 mm
WeightKnown for one	Unknown — not stated by the source	26.3 kg
Other features1 differ
Conflict-FreeKnown for one	Unknown — not stated by the source	Yes
Dell E-Value CodeDiffers	PER6402	PER7403

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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