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庫存編號 804-7710
製造零件編號KVR1333D3N9/8G
BrandKingston
HK$775.25
單位
Desktop 8 GB - 1333MHz DDR3 DIMM PC3-10600 240 1.5V 9
RS庫存編號 774-3151
製造零件編號CT51264BD160B
BrandCrucial
HK$389.31
單位
Desktop, Server 4 GB - 1600MHz DDR3 DIMM PC3-12800 240 1.35V 11
RS庫存編號 774-3127
製造零件編號CT102464BA160B
BrandCrucial
HK$731.31
單位
Desktop 8 GB - 1600MHz DDR3 DIMM PC3-12800 240 1.35V 11
RS庫存編號 798-9616
製造零件編號TS1GLK64V6H
BrandTranscend
HK$951.32
單位
Desktop 8 GB - 1600MHz DDR3 DIMM PC3-12800 240 1.5V 11
RS庫存編號 201-6605
製造零件編號CT2K51264BD160BJ
BrandCrucial
HK$681.41
單位
Desktop 8 GB No 1600MHz DDR3 UDIMM - - 1.35, 1.5 V -
RS庫存編號 201-6606
製造零件編號CT16G4DFD832A
BrandCrucial
HK$1,210.47
單位
Desktop 16 GB No 3200MHz DDR4 UDIMM - - 1.2V -
全新
RS庫存編號 206-9320
製造零件編號MTA18ASF2G72PDZ-2G9E1
BrandMicron
HK$1,768.05
單位
Server 16 GB No 2933MHz DDR4 RDIMM - - 1.2V -
RS庫存編號 203-0115
製造零件編號LNM610-250RB
BrandLexar
HK$719.78
單位
Laptop 8 GB Yes 2666MHzMHz DDR4 SODIMM - - 1.2V -
RS庫存編號 182-8189
製造零件編號KVR24S17S6/4
BrandKingston
HK$366.81
單位
Laptop 4 GB - 2400MHz DDR4 SODIMM PC4-2400 260 1.2V 17
RS庫存編號 201-6607
製造零件編號CT2K4G4SFS8266
BrandCrucial
HK$678.74
單位
Laptop 8 GB No 2666MHz DDR4 SODIMM - - 1.2V -
RS庫存編號 174-1850
製造零件編號CT2K4G4DFS824A
BrandCrucial
HK$564.89
單位
Desktop 2 x 4 GB - 2400MHz DDR4 UDIMM PC4-19200 288 1.2V 17
RS庫存編號 201-6616
製造零件編號CT2K8G3S160BM
BrandCrucial
HK$1,613.84
單位
Laptop 16 GB No 1600MHz DDR3 SODIMM - - 1.35, 1.5 V -
RS庫存編號 203-0117
製造零件編號LJDM45-64GABSL
BrandLexar
HK$211.52
單位
Desktop 16 GB Yes 2666MHzMHz DDR4 UDIMM - - 1.2V -
RS庫存編號 201-6650
製造零件編號CT2KIT25664BF160BJ
BrandCrucial
HK$470.87
單位
Laptop 4 GB No 1600MHz DDR3 SODIMM - - 1.35, 1.5 V -
RS庫存編號 182-8190
製造零件編號KVR24S17S8/8
BrandKingston
HK$706.52
單位
Laptop 8 GB - 2400MHz DDR4 SODIMM PC4-2400 260 1.2V 17
全新
RS庫存編號 206-9330
製造零件編號MTA36ASF4G72PZ-2G9E2
BrandMicron
HK$3,179.47
單位
Server 32 GB No 2933MHz DDR4 RDIMM - - 1.2V -
RS庫存編號 182-8193
製造零件編號KVR24N17S8/8
BrandKingston
HK$681.77
單位
Desktop 8 GB - 2400MHz DDR4 DIMM PC4-2400 288 1.2V 17
全新
RS庫存編號 206-9321
製造零件編號MTA18ASF2G72PDZ-3G2E1
BrandMicron
HK$1,793.98
單位
Server 16 GB No 3200MHz DDR4 RDIMM - - 1.2V -
全新
RS庫存編號 206-9332
製造零件編號MTA9ASF1G72PZ-2G6J1
BrandMicron
HK$1,255.95
單位
Server 8 GB No 2666MHz DDR4 RDIMM - - 1.2V -
RS庫存編號 804-7748
製造零件編號KVR16S11S8/4
BrandKingston
HK$388.13
單位
Laptop 4 GB - 1600MHz DDR3 SODIMM PC3-12800 204 1.5V 11