Product comparison · 2 memory modules

Lenovo 49Y3757 memory module vs Lenovo 73P4971-02 memory module

Key differences

Internal memory
- 49Y3757 memory module:4 GB
- 73P4971-02 memory module:0.5 GB
Memory layout (modules x size)
- 49Y3757 memory module:1 x 4 GB
- 73P4971-02 memory module:1 x 0.5 GB
Internal memory type
- 49Y3757 memory module:DDR3
- 73P4971-02 memory module:DDR2
ECC
- 49Y3757 memory module:Yes
- 73P4971-02 memory module:No
CAS latency
- 49Y3757 memory module:9
- 73P4971-02 memory module:4
Memory clock speed
- 49Y3757 memory module:1333 MHz
- 73P4971-02 memory module:533 MHz

Differences highlightedShow differences only

Comparison of 49Y3757, 73P4971-02
11 specifications	A Lenovo 49Y3757 memory module Model 49Y3757 View product	B Lenovo 73P4971-02 memory module Model 73P4971-02 View product
Features6 differ
Internal memoryDiffers	4 GB	0.5 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 0.5 GB
Internal memory typeDiffers	DDR3	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	9	4
Memory clock speedDiffers	1333 MHz	533 MHz
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Component forKnown for one	PC/Server	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM
Other featuresidentical
Number of pinsKnown for one	Unknown — not stated by the source	240

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.