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 computers 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.Whats 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 124-2613
製造零件編號CT4G4RFS8213
BrandCrucial
HK$563.19
單位
Server 4 GB - 2133MHz DDR4 RDIMM PC4-17000 288 1.2V 15
RS庫存編號 798-9600
製造零件編號TS128MSQ64V8U-I
BrandTranscend
HK$449.02
單位
Laptop 1 GB - 800MHz DDR2 SODIMM PC2-6400 200 1.8V 6
RS庫存編號 180-5906
製造零件編號IN4V4GNDJRX
HK$673.69
單位
Laptop 4 GB - 2400MHz DDR4 SODIMM PC4-19200 260 1.2V 15
RS庫存編號 174-1855
製造零件編號CT16G4DFD8266
BrandCrucial
HK$1,263.66
單位
Desktop 16 GB - 2666MHz DDR4 UDIMM PC4-21300 288 1.2V 19
RS庫存編號 182-8188
製造零件編號KVR26N19D8/16
BrandKingston
HK$1,238.72
單位
Desktop 16 GB - 2666MHz DDR4 DIMM PC4-2666 288 1.2V 19
RS庫存編號 174-1848
製造零件編號CT8G4DFS824A
BrandCrucial
HK$646.82
單位
Desktop 8 GB - 2400MHz DDR4 UDIMM PC4-19200 288 1.2V 17
RS庫存編號 180-5908
製造零件編號IN4V16GNDLRX
HK$2,450.33
單位
Laptop 16 GB - 2400MHz DDR4 SODIMM PC4-19200 260 1.2V 17
RS庫存編號 804-7757
製造零件編號KVR16LS11/8
BrandKingston
HK$714.08
單位
Laptop 8 GB - 1600MHz DDR3L SODIMM PC3-12800 204 1.35 V, 1.5 V 11
全新
RS庫存編號 195-8314
製造零件編號KVR32N22S8/8
BrandKingston
HK$670.84
單位
- 8 GB - 3200MHz DDR4 DIMM - 288 1.2V 22
RS庫存編號 758-6716
製造零件編號TS128MSQ64V6U-i
BrandTranscend
HK$414.36
單位
Laptop 1 GB - 667MHz DDR2 SODIMM PC2-5300 200 1.8V 5
RS庫存編號 182-8191
製造零件編號KVR24S17D8/16
BrandKingston
HK$1,254.05
單位
Laptop 16 GB - 2400MHz DDR4 SODIMM PC4-2400 260 1.2V 17
RS庫存編號 758-6722
製造零件編號TS256MSK64V3N-i
BrandTranscend
HK$430.26
單位
Laptop 2 GB - 1333MHz DDR3 SODIMM PC3-10600 204 1.5V 9
RS庫存編號 187-9323
製造零件編號M2SK-1GMDAC06-M
BrandInnoDisk
HK$326.27
單位
Laptop 1 GB Yes 800MHz DDR2 SODIMM PC2-6400 200 1.8V 6
RS庫存編號 785-8077
製造零件編號MY08TFPSY-RA000-D
HK$1,240.81
單位
Desktop, Laptop 8 GB - - - - - 10 5V -
RS庫存編號 174-1857
製造零件編號CT2K16G4DFD8266
BrandCrucial
HK$2,527.32
單位
Desktop 2 x 16 GB - 2666MHz DDR4 UDIMM PC4-21300 288 1.2V 19
全新
RS庫存編號 195-8318
製造零件編號KVR32S22D8/16
BrandKingston
HK$1,280.36
單位
- 16 GB - 3200MHz DDR4 SODIMM - 260 1.2V 22
RS庫存編號 187-9336
製造零件編號M4S0-4GSSN5IK
BrandInnoDisk
HK$397.43
單位
Laptop 4 GB Yes 2666MHz DDR4 SODIMM PC4-2666 260 1.2V 19
RS庫存編號 187-9330
製造零件編號M2UK-4GMJQC05-C
BrandInnoDisk
HK$2,605.69
單位
Desktop 4 GB Yes 800MHz DDR2 DIMM PC2-6400 240 1.8V 5
RS庫存編號 774-3082
製造零件編號CT2KIT25664AA800
BrandCrucial
HK$696.24
單位
Desktop 2 x 2 GB - 800MHz DDR2 DIMM PC2-6400 240 1.8V 6
RS庫存編號 187-9341
製造零件編號M4S0-8GS13CIK
BrandInnoDisk
HK$719.00
單位
Laptop 8 GB Yes 2666MHz DDR4 SODIMM PC4-2666 260 1.2V 19