Product comparison · 2 memory modules

HP 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit vs HyperX 8GB DDR3 2666MHz Kit

8specifications compared
6differ
2identical
17known for one product only

Key differences

The HyperX 8GB DDR3 2666MHz Kit has 4 GB more internal memory than the HP 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit (8 GB vs 4 GB). The HyperX 8GB DDR3 2666MHz Kit has 1 x 4 GB more memory layout (modules x size) than the HP 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit (2 x 4 GB vs 1 x 4 GB). The HyperX 8GB DDR3 2666MHz Kit has 2 more CAS latency than the HP 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit (11 vs 9). Buffered memory type: Registered (buffered) on the HP 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit, Unregistered (unbuffered) on the HyperX 8GB DDR3 2666MHz Kit.

Internal memory
- 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit:4 GB
- 8GB DDR3 2666MHz Kit:8 GB
Memory layout (modules x size)
- 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit:1 x 4 GB
- 8GB DDR3 2666MHz Kit:2 x 4 GB
CAS latency
- 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit:9
- 8GB DDR3 2666MHz Kit:11
Memory clock speed
- 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit:1333 MHz
- 8GB DDR3 2666MHz Kit:2666 MHz
Buffered memory type
- 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit:Registered (buffered)
- 8GB DDR3 2666MHz Kit:Unregistered (unbuffered)
Memory voltage
- 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit:1.5 V
- 8GB DDR3 2666MHz Kit:1.65 V

Side by side

Differences highlightedShow differences only

Comparison of 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit, 8GB DDR3 2666MHz Kit
25 specifications	A HP 4GB (1x4GB) Dual Rank x4 PC3-10600 (DDR3-1333) Registered CAS-9 Memory Kit View product	B HyperX 8GB DDR3 2666MHz Kit View product
Features6 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	2 x 4 GB
ECCKnown for one	Unknown — not stated by the source	No
CAS latencyDiffers	9	11
Memory clock speedDiffers	1333 MHz	2666 MHz
Memory busKnown for one	Unknown — not stated by the source	64 bit
Buffered memory typeDiffers	Registered (buffered)	Unregistered (unbuffered)
Memory voltageDiffers	1.5 V	1.65 V
Module configurationKnown for one	Unknown — not stated by the source	512M x 64
Row cycle timeKnown for one	Unknown — not stated by the source	49.5 ns
Refresh row cycle timeKnown for one	Unknown — not stated by the source	160 ns
Row active timeKnown for one	Unknown — not stated by the source	36 ns
Memory typeKnown for one	Unknown — not stated by the source	PC-21300
Lead platingKnown for one	Unknown — not stated by the source	Gold
Component forKnown for one	PC/Server	Unknown — not stated by the source
Memory rankingKnown for one	2	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 85 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-55 - 100 °C
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM
Other featuresidentical
Bus clock rateKnown for one	Unknown — not stated by the source	2666 MHz
Error indicationKnown for one	Unknown — not stated by the source	No
Internal memoryKnown for one	Unknown — not stated by the source	8192 MB
Memory layoutKnown for one	Unknown — not stated by the source	2 x 4096 MB

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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