.hide-partial { max-height: none; } .show-more { display: none; }

4 GB Memory Modules & Memory Cards

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Memory Modules & Memory Cards

List Images

Results: 387

Applied Filters:

Memory Size = 4 GB

Manufacturer

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Memory Modules DDR4-2666 SODIMM 4GB CL19 78.B2GG6.4000B Apacer 1: HK$4,162.03 9In Stock	Mfr. Part No. 78.B2GG6.4000B Mouser Part No 908-78.B2GG6.4000B	Apacer	Memory Modules DDR4-2666 SODIMM 4GB CL19 Learn More about Apacer ddr4 sdrams	Datasheet	9In Stock	HK$4,162.03 HK$3,825.51 HK$3,735.00	Min.: 1 Mult.: 1
Memory Cards 4GB Industrial Micro SD Card SLC DESDM-04GS02AE1ST Innodisk 1: HK$5,561.49 4In Stock	Mfr. Part No. DESDM-04GS02AE1ST Mouser Part No 944-SDM-04GS02AE1ST	Innodisk	Memory Cards 4GB Industrial Micro SD Card SLC Learn More about Innodisk sd microsd card	Datasheet	4In Stock	HK$5,561.49 HK$5,109.88	Min.: 1 Mult.: 1
Memory Cards 04GB iCF 1SE3 DECFC-04GYA2AC2DB Innodisk 1: HK$5,561.98 7In Stock	Mfr. Part No. DECFC-04GYA2AC2DB Mouser Part No 944-CFC-04GYA2AC2DB	Innodisk	Memory Cards 04GB iCF 1SE3	Datasheet	7In Stock	HK$5,561.98 HK$5,110.37	Min.: 1 Mult.: 1
Memory Cards Industrial microSD SLC Extended Temp 4GB AP-MSD04GIHI-T Apacer 1: HK$7,085.80 10In Stock	Mfr. Part No. AP-MSD04GIHI-T Mouser Part No 908-AP-MSD04GIHI-T	Apacer	Memory Cards Industrial microSD SLC Extended Temp 4GB	Datasheet	10In Stock	HK$7,085.80	Min.: 1 Mult.: 1
Memory Cards CFast 2 SATA3 SLC 4GB Extended Temperature APCFA004GACAN-WAT Apacer 1: HK$3,564.03 3In Stock	Mfr. Part No. APCFA004GACAN-WAT Mouser Part No 908-APCFA004GACANWAT	Apacer	Memory Cards CFast 2 SATA3 SLC 4GB Extended Temperature	Datasheet	3In Stock	HK$3,564.03 HK$3,277.48 HK$3,167.66	Min.: 1 Mult.: 1
Memory Modules 4GB DDR4 2666 ECC Unbuffered DIMM D31.23185S.001 Apacer 1: HK$2,271.35 3In Stock	Mfr. Part No. D31.23185S.001 Mouser Part No 908-D31.23185S.001	Apacer	Memory Modules 4GB DDR4 2666 ECC Unbuffered DIMM	Datasheet	3In Stock	HK$2,271.35 HK$2,089.94 HK$2,020.23	Min.: 1 Mult.: 1
Memory Modules 4GB DDR3 1333 VLP U-DIMM 256x8 2 Rank CL9 78.B1GDE.40F0C Apacer 1: HK$2,720.24 1In Stock	Mfr. Part No. 78.B1GDE.40F0C Mouser Part No 908-78.B1GDE.40F0C	Apacer	Memory Modules 4GB DDR3 1333 VLP U-DIMM 256x8 2 Rank CL9	Datasheet	1In Stock	HK$2,720.24 HK$2,502.91 HK$2,419.39	Min.: 1 Mult.: 1
Memory Modules 204pin SODIMM ECC DDR3L 1600 4GB 1.35v 512x8 (0-85) Advantech SQR-SD3N4G1K6SEEEB SQR-SD3N4G1K6SEEEB Advantech 1: HK$1,363.53 13In Stock Verify Status with Factory	Mfr. Part No. SQR-SD3N4G1K6SEEEB Mouser Part No 923-QRSD3N4G1K6SEEEB Verify Status with Factory	Advantech	Memory Modules 204pin SODIMM ECC DDR3L 1600 4GB 1.35v 512x8 (0-85)		13In Stock	HK$1,363.53	Min.: 1 Mult.: 1
Memory Modules WT 4GB Unb Non-ECC SODIMM AW12M7218BLK0MW ATP Electronics 1: HK$725.17 1In Stock	Mfr. Part No. AW12M7218BLK0MW Mouser Part No 162-AW12M7218BLK0MW	ATP Electronics	Memory Modules WT 4GB Unb Non-ECC SODIMM	Datasheet	1In Stock	HK$725.17 HK$669.11 HK$638.86 HK$617.90	Min.: 1 Mult.: 1
Memory Modules 4GB Unbuffered ECC Module AQ12P72D8BLH9S ATP Electronics 1: HK$477.99 19In Stock	Mfr. Part No. AQ12P72D8BLH9S Mouser Part No 162-AQ12P72D8BLH9S	ATP Electronics	Memory Modules 4GB Unbuffered ECC Module	Datasheet	19In Stock	HK$477.99 HK$441.83 HK$427.60 HK$416.84 View HK$406.40 HK$392.83 Quote	Min.: 1 Mult.: 1
Memory Modules DDR4 4GByte SODIMM MTA4ATF51264HZ-3G2R1 Micron 1: HK$3,923.82 375In Stock 1,200Expected 27/11/2026 End of Life	Mfr. Part No. MTA4ATF51264HZ-3G2R1 Mouser Part No 340-471656 End of Life	Micron	Memory Modules DDR4 4GByte SODIMM	Datasheet	375In Stock 1,200Expected 27/11/2026	HK$3,923.82	Min.: 1 Mult.: 1
Memory Cards Industrial SD Card, S-56, 4 GB, 3D PSLC Flash, -40C to +85C SFSD004GL1AM1TB-I-CE-22Q-STD Swissbit 1: HK$1,517.41 19In Stock 500On Order NRND	Mfr. Part No. SFSD004GL1AM1TB-I-CE-22Q-STD Mouser Part No 922-GL1AM1TBCE22QSTD NRND	Swissbit	Memory Cards Industrial SD Card, S-56, 4 GB, 3D PSLC Flash, -40C to +85C	Datasheet	19In Stock 500On Order	HK$1,517.41	Min.: 1 Mult.: 1
Memory Cards Industrial CF6A SLC 24nm Non-DMA Non-Removeable 4GB AP-CF004GRBNS-NRG Apacer 1: HK$2,583.87 3In Stock	Mfr. Part No. AP-CF004GRBNS-NRG Mouser Part No 908-AP-CF004GRBNSNRG	Apacer	Memory Cards Industrial CF6A SLC 24nm Non-DMA Non-Removeable 4GB Learn More about Apacer industrial cf6a cards	Datasheet	3In Stock	HK$2,583.87 HK$2,353.39 HK$2,322.64	Min.: 1 Mult.: 1
Memory Cards Industrial SD Card SLC Extended Temperature 4GB AP-ISD04GIS4B-8T Apacer 1: HK$2,604.18 1In Stock	Mfr. Part No. AP-ISD04GIS4B-8T Mouser Part No 908-AP-ISD04GIS4B-8T	Apacer	Memory Cards Industrial SD Card SLC Extended Temperature 4GB Learn More about Apacer industrial sd cards	Datasheet	1In Stock	HK$2,604.18 HK$2,396.13 HK$2,316.15	Min.: 1 Mult.: 1
Memory Cards 04GB iCF 1SE3 Extended Temp DECFC-04GYA2AW2DB Innodisk 1: HK$7,143.59 1In Stock	Mfr. Part No. DECFC-04GYA2AW2DB Mouser Part No 944-CFC-04GYA2AW2DB	Innodisk	Memory Cards 04GB iCF 1SE3 Extended Temp	Datasheet	1In Stock	HK$7,143.59 HK$6,561.53	Min.: 1 Mult.: 1
Memory Cards 4GB Industrial Micro SD Card SLC Extended Temp DESDM-04GS02AW1ST Innodisk 1: HK$6,281.23 1In Stock	Mfr. Part No. DESDM-04GS02AW1ST Mouser Part No 944-SDM-04GS02AW1ST	Innodisk	Memory Cards 4GB Industrial Micro SD Card SLC Extended Temp Learn More about Innodisk sd microsd card	Datasheet	1In Stock	HK$6,281.23 HK$5,771.92	Min.: 1 Mult.: 1
Memory Cards Industrial SD Card SLC 4GB AP-ISD004GIE-AAT Apacer 1: HK$1,859.36 7In Stock Factory Special Order	Mfr. Part No. AP-ISD004GIE-AAT Mouser Part No 908-AP-ISD004GIE-AAT Factory Special Order	Apacer	Memory Cards Industrial SD Card SLC 4GB	Datasheet	7In Stock	HK$1,859.36 View HK$1,712.06 HK$1,654.93 HK$1,613.42 Quote	Min.: 1 Mult.: 1
Memory Cards Industrial CF6 SLC Non-Removable Ext Temp 4GB AP-CF004GRANS-ETNRC Apacer 1: HK$3,936.89 695Expected 28/1/2027	Mfr. Part No. AP-CF004GRANS-ETNRC Mouser Part No 908-CF004GRANSETNRC	Apacer	Memory Cards Industrial CF6 SLC Non-Removable Ext Temp 4GB	Datasheet	695Expected 28/1/2027	HK$3,936.89 HK$3,619.27	Min.: 1 Mult.: 1
Memory Modules 4GB Unbuffered Non ECC Module A4D04QC6BNWEME ATP Electronics 1: HK$431.22 3In Stock	Mfr. Part No. A4D04QC6BNWEME Mouser Part No 162-A4D04QC6BNWEME	ATP Electronics	Memory Modules 4GB Unbuffered Non ECC Module Learn More about ATP Electronics atp ddr4 dram	Datasheet	3In Stock	HK$431.22 HK$400.97 HK$361.10 HK$354.53 View Quote	Min.: 1 Mult.: 1
Memory Modules 4GB Unb ECC SODIMM A4F04QD8BLPBSE ATP Electronics 1: HK$490.57 20In Stock	Mfr. Part No. A4F04QD8BLPBSE Mouser Part No 162-A4F04QD8BLPBSE	ATP Electronics	Memory Modules 4GB Unb ECC SODIMM Learn More about ATP Electronics atp ddr4 dram	Datasheet	20In Stock	HK$490.57 HK$454.89 HK$412.15 View Quote	Min.: 1 Mult.: 1
Memory Cards Micro SD Phison industrial card 4Gb USD-4GB-Industrial 4D Systems 1: HK$479.64 1,977On Order	Mfr. Part No. USD-4GB-Industrial Mouser Part No 971-USD4GBINDUSTRIAL	4D Systems	Memory Cards Micro SD Phison industrial card 4Gb	Datasheet	1,977On Order	HK$479.64	Min.: 1 Mult.: 1 Max.: 10
Memory Cards Industrial microSD Card, S-56u, 4 GB, 3D PSLC Flash, -40C to +85C SFSD004GN1AM1TB-I-CE-22Q-STD Swissbit 1: HK$1,332.05 331On Order NRND	Mfr. Part No. SFSD004GN1AM1TB-I-CE-22Q-STD Mouser Part No 922-GN1AM1TB-I-CE22Q NRND	Swissbit	Memory Cards Industrial microSD Card, S-56u, 4 GB, 3D PSLC Flash, -40C to +85C	Datasheet	331On Order On Order Ship Dates Mfr. No: SFSD004GN1AM1TB-I-CE-22Q-STD Stock: 0 On Order: 31 Expected 7/12/2026 300 Expected 5/4/2027 Factory Lead Time: 30 Weeks	HK$1,332.05 HK$1,227.25 HK$1,186.56 HK$1,156.47	Min.: 1 Mult.: 1
Memory Modules 4GB 2666MT/s 512Mx8 M4D0-4GSSPCIK Innodisk 1: HK$9,434.67 14On Order	Mfr. Part No. M4D0-4GSSPCIK Mouser Part No 944-M4D0-4GSSPCIK	Innodisk	Memory Modules 4GB 2666MT/s 512Mx8	Datasheet	14On Order	HK$9,434.67	Min.: 1 Mult.: 1
Memory Cards Industrial microSD Card, S-56u, 4 GB, 3D PSLC Flash, -40C to +85C SFSD004GN1AM1TB-I-CE-23Q-STD Swissbit 1: HK$1,333.45 15Expected 16/12/2026 New Product	Mfr. Part No. SFSD004GN1AM1TB-I-CE-23Q-STD Mouser Part No 922-004GN1AM1TBICE23 New Product	Swissbit	Memory Cards Industrial microSD Card, S-56u, 4 GB, 3D PSLC Flash, -40C to +85C Learn More about Swissbit s 56 s 56u memory cards	Datasheet	15Expected 16/12/2026	HK$1,333.45 HK$1,228.73 HK$1,188.04 HK$1,158.28 View Quote	Min.: 1 Mult.: 1
Memory Cards Industrial Temp. SLC SDXC Support UHS-I AF4GSDI-WADXM ATP Electronics 1: HK$2,147.48 465On Order	Mfr. Part No. AF4GSDI-WADXM Mouser Part No 162-AF4GSDI-WADXM	ATP Electronics	Memory Cards Industrial Temp. SLC SDXC Support UHS-I Learn More about ATP Electronics atp sd sdhc sdxc card	Datasheet	465On Order	HK$2,147.48	Min.: 1 Mult.: 1