What is the difference between this item, P/N CT51264BA160BJ, and P/N CT51264BA160B. Specs/description/price are the same. Thanks!

I asked a support person at Crucial what the difference was and was given a very helpful answer: A low density part# (CT51264BA160B) will have 16 DRAM chips on the module, while a high density part# (CT51264BA160BJ) has just 8 DRAM chips. Both provide the same level of performance and most systems can support both types - however they cannot be mixed within the same system.You can also check our memory installation guides here:http://uk.crucial.com/gbr/en/support-memory

Would this one or CT51264BA160B be better for my MSI G41M-P33 Combo motherboard?

I don't have a specific answer to your question, but I can tell you the the "B" model has 16 256Mb chips (low density) and the BJ model has 8 512MB chips (high density). If that doesn't help, Google Crucial and visit their web site. They have a lot of info available, and you don't find what you need, try a chat or give them a call. I found them very helpful. Good luck!

Is this the same on crucial website that has model # ct51264bf160bj?

Hi Retsel , Both memory are different type one is SODIMM and the other one is UDIMM But configuration wise both are same. REgards, Rakesh

will this work in a Compaq presario cq57 laptop?

No, this memory is for a desktop PC computer.

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4 GB (1 x 4 GB) PC1600 CL11 DDR3 SIMM RAM Memory Module

4 GB (1 x 4 GB) PC1600 CL11 DDR3 SIMM RAM Memory Module

Product ID: 57078312

Details

Brand
Crucial
Computer memory size
4 GB
RAM memory technology
DDR3
Memory speed
1600 MHz
Compatible devices
PC/server

⚡1600 MHz speed boost

💾4 GB DDR3 capacity

🔧Easy plug-and-play install

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Description

⚡ Upgrade your rig, upgrade your hustle!

PLUG PLAY SIMPLICITY - No tech skills needed—install effortlessly and upgrade your system instantly.
SPEED UP YOUR WORKFLOW - 1600 MHz clock speed ensures smooth multitasking and faster program loads.
TRUSTED MICRON QUALITY - Built by Micron for reliable, long-lasting performance you can count on.
ENERGY EFFICIENT OPERATION - Runs at a low 1.5V voltage to keep your system cool and power consumption minimal.
OPTIMAL CAPACITY FOR EVERYDAY USE - 4 GB DDR3 memory balances performance and efficiency for professional tasks.

This Crucial 4 GB DDR3 PC1600 RAM module delivers a reliable 1600 MHz speed with low 1.5V power consumption, designed for easy installation and enhanced multitasking. Engineered by Micron, it offers trusted performance to keep your professional workflow seamless and responsive.

Specifications

Brand	Crucial
Product Dimensions	17.78 x 1.12 x 12.7 cm; 4.54 g
Item model number	CT51264BD160BJ.M8FP
Manufacturer	Micron
Series	CT51264BA160BJ
Colour	Multicolor
Form Factor	DIMM
RAM Size	4 GB
Memory Technology	DDR3
Computer Memory Type	DDR3 SDRAM
Memory Clock Speed	1600 MHz
Voltage	1.5 Volts
Operating System	Yes
Are Batteries Included	No
Item Weight	4.54 g
Guaranteed software updates until	unknown

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