Product comparison · 2 memory modules

HyperX 4GB, DDR3L vs HyperX 8GB (2x 4GB), DDR3L

Key differences

Internal memory
- 4GB, DDR3L:4 GB
- 8GB (2x 4GB), DDR3L:8 GB
Memory layout (modules x size)
- 4GB, DDR3L:1 x 4 GB
- 8GB (2x 4GB), DDR3L:2 x 4 GB
CAS latency
- 4GB, DDR3L:11
- 8GB (2x 4GB), DDR3L:10
Memory clock speed
- 4GB, DDR3L:1866 MHz
- 8GB (2x 4GB), DDR3L:1600 MHz
Row cycle time
- 4GB, DDR3L:44.75 ns
- 8GB (2x 4GB), DDR3L:48.125 ns
Row active time
- 4GB, DDR3L:32.125 ns
- 8GB (2x 4GB), DDR3L:37.5 ns

Differences highlightedShow differences only

Comparison of 4GB, DDR3L, 8GB (2x 4GB), DDR3L
22 specifications	A HyperX 4GB, DDR3L View product	B HyperX 8GB (2x 4GB), DDR3L View product
Features6 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	2 x 4 GB
Internal memory type	DDR3L	DDR3L
Component for	PC/Server	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	No	No
CAS latencyDiffers	11	10
Memory clock speedDiffers	1866 MHz	1600 MHz
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltage	1.35 V	1.35 V
Module configuration	512M x 64	512M x 64
Row cycle timeDiffers	44.75 ns	48.125 ns
Refresh row cycle time	260 ns	260 ns
Row active timeDiffers	32.125 ns	37.5 ns
Intel Extreme Memory Profile (XMP)	Yes	Yes
Product colour	Black	Black
Cooling type	Heatsink	Heatsink
Operational conditionsidentical
Operating temperature (T-T)	0 - 85 °C	0 - 85 °C
Storage temperature (T-T)	-55 - 100 °C	-55 - 100 °C
Weight & dimensionsidentical
Width	133.3 mm	133.3 mm
Depth	7.08 mm	7.08 mm
Height	32.8 mm	32.8 mm

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