RAM

What is RAM?
Random Access Memory or RAM is a type of computer memory or storage. RAM is a piece of hardware within your computer that temporarily stores and retrieves data. It is also referred to as main memory, primary memory, primary storage or internal memory.
Essentially, RAM is your computer’s short term memory. It stores all of the data that your laptop or computer is currently using so that you can access programs and multitask without any delays.

What’s the difference between RAM and a hard drive?
RAM is short term memory and only holds information temporarily. Once you have switched your device off, all of the data stored within the RAM will be lost. On the other hand, a hard drive is the long term or permanent memory within your computer or laptop. It retains all information even when powered off.

Why is RAM so important?
RAM is important because it can impact the performance and day to day operation of your device. Acting as short term memory, RAM allows you to open multiple programmes that require greater processing power without impacting on the performance of your machine. When higher capacity RAM with a faster speed is installed within your device, the quicker your computer will run and accomplish tasks.

How much RAM do you need?
RAM is commonly available in 4GB, 8GB, 16GB or 32GB options. 4GB of RAM is typically found in entry level laptops and notebooks, while a system with 32GB of integrated RAM will be suitable for a computer or laptop required for complex photo and video editing, compositing and simulation. If you want to play games, 16GB of RAM is recommended to prevent the game from lagging or freezing.

What is DDR3 and DDR4?
DDR is a type of memory. DDR stands for Double Data Rate, and the number represents what type it is; type 3 or type 4. DDR3 RAM has been in use since 2007, while DDR4 was introduced in 2014. DDR3 provides a higher speed that previous iterations (DDR2 and DDR) and is still commonly available. DDR4 RAM is usually more expensive than DDR3 RAM, but has a higher speed and efficiency. DDR4 RAM uses less voltage but greater transfer rates than DDR3 RAM.

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Description Price Desktop/Laptop Capacity Industrial Speed Memory Class Memory Socket Module Type Pins Voltage CAS Latency
RS Stock No. 804-7710
Mfr. Part No.KVR1333D3N9/8G
BrandKingston
HK$1,287.63
Each
units
Desktop 8 GB - 1333MHz DDR3 DIMM PC3-10600 240 1.5V 9
RS Stock No. 774-3151
Mfr. Part No.CT51264BD160B
BrandCrucial
HK$405.60
Each
units
Desktop, Server 4 GB - 1600MHz DDR3 DIMM PC3-12800 240 1.35V 11
RS Stock No. 798-9616
Mfr. Part No.TS1GLK64V6H
BrandTranscend
HK$1,004.06
Each
units
Desktop 8 GB - 1600MHz DDR3 DIMM PC3-12800 240 1.5V 11
RS Stock No. 774-3127
Mfr. Part No.CT102464BA160B
BrandCrucial
HK$731.31
Each
units
Desktop 8 GB - 1600MHz DDR3 UDIMM PC3-12800 240 1.35V 11
RS Stock No. 187-9333
Mfr. Part No.M3S0-8GSSULQE
BrandInnoDisk
HK$1,273.83
Each
units
Laptop 8 GB Yes 1866MHz DDR3L SODIMM - 204 1.35V 13
RS Stock No. 201-6602
Mfr. Part No.CT2KIT51264BF160B
BrandCrucial
HK$811.45
Each
units
Laptop 8 GB No 1600MHz DDR3 SODIMM - - 1.35, 1.5 V -
RS Stock No. 180-5901
Mfr. Part No.IN3T4GNAJKXLV
HK$518.39
Each
units
Desktop 4 GB - 1600MHz DDR3 DIMM PC3-12800 240 1.35V 11
RS Stock No. 187-9334
Mfr. Part No.M3U0-2GSJNLQE
BrandInnoDisk
HK$436.20
Each
units
Desktop 2 GB Yes 1866MHz DDR3L DIMM - 240 1.35V 13
RS Stock No. 201-6623
Mfr. Part No.CT2K16G4S24AM
BrandCrucial
HK$2,506.39
Each
units
Laptop 32 GB No 2400MHz DDR4 SODIMM - - 1.2V -
RS Stock No. 174-1849
Mfr. Part No.CT16G4DFD824A
BrandCrucial
HK$992.80
Each
units
Desktop 16 GB - 2400MHz DDR4 UDIMM PC4-19200 288 1.2V 17
New
RS Stock No. 206-9239
Mfr. Part No.CT4G4DFS6266
BrandCrucial
HK$297.78
Each
units
Desktop 4 GB No 2666MHz DDR4 UDIMM - - 1.2V -
RS Stock No. 180-5902
Mfr. Part No.IN3V8GNZJIX
HK$891.77
Each
units
Laptop 8 GB - 1333MHz DDR3 SODIMM PC3-10600 204 1.5V 9
New
RS Stock No. 206-9220
Mfr. Part No.CT2K16G4DFRA32A
BrandCrucial
HK$2,179.81
Each
units
Desktop 32 GB No 3200MHz DDR4 UDIMM - - 1.2V -
RS Stock No. 124-2611
Mfr. Part No.CT8G3ERSLD4160B
BrandCrucial
HK$1,574.07
Each
units
Server 8 GB - 1600MHz DDR3L RDIMM PC3-12800 240 1.35V 11
RS Stock No. 201-6624
Mfr. Part No.CT8G4S24AM
BrandCrucial
HK$559.89
Each
units
Laptop 8 GB No 2400MHz DDR4 SODIMM - - 1.2V -
RS Stock No. 201-6628
Mfr. Part No.CT2K8G4S24AM
BrandCrucial
HK$1,667.38
Each
units
Laptop 16 GB No 2400MHz DDR4 SODIMM - - 1.2V -
RS Stock No. 201-6606
Mfr. Part No.CT16G4DFD832A
BrandCrucial
HK$1,210.47
Each
units
Desktop 16 GB No 3200MHz DDR4 UDIMM - - 1.2V -
RS Stock No. 180-5832
Mfr. Part No.IN3V4GNZBIX
HK$617.85
Each
units
Laptop 4 GB - 1333MHz DDR3 SODIMM PC3-10600 204 1.5V 9
RS Stock No. 201-6603
Mfr. Part No.CT2K16G4S266M
BrandCrucial
HK$2,463.49
Each
units
Laptop 32 GB No 2666MHz DDR4 SODIMM - - 1.2V -
RS Stock No. 180-5908
Mfr. Part No.IN4V16GNDLRX
HK$2,586.50
Each
units
Laptop 16 GB - 2400MHz DDR4 SODIMM PC4-19200 260 1.2V 17