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MemoryMasters 32GB ( 2x 16GB ) Desktop Memory Upgrade DDR4 2666Mhz PC4-21300 DIMM 2Rx8 CL19 1.2v Desktop RAM 288Pin
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  • $229.00 
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1 GB Dell New Certified Memory RAM Upgrade for Dell Dimension E521 Desktop SNPXG700C/1G A0763207
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  • $16.99 
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Kingston 2GB (2 x 1GB) DDR2 667 (PC2 5300) ECC Fully Buffered Dual Channel Kit System Specific Memory Model KTH-XW667/2G
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Kingston 2GB (2 x 1GB) DDR2 667 (PC2 5300) ECC Fully Buffered Dual Channel Kit System Specific Memory Model KTH-XW667/2G
  • Voltage: 1.80V
  • Compatible System: HP/Compaq
  • CAS Latency: CL5
  • Heat Spreader: Yes
  • Model #: KTH-XW667/2G
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  • $38.50 
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SAMSUNG M393A1G40DB0-CPB 8GB 1RX4 PC4-2133P ECC RDIMM Memory
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SAMSUNG
SAMSUNG M393A1G40DB0-CPB 8GB 1RX4 PC4-2133P ECC RDIMM Memory
  • Voltage: 1.20V
  • Compatible System: M393A1G40DB0-CPB
  • CAS Latency: CL15
  • Type: 288-Pin DDR4 SDRAM
  • Model #: M393A1G40DB0-CPB-075
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM Memory Compatible with QNAP RAM-16GDR4ECT0-SO-2666
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NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM Memory Compatible with QNAP RAM-16GDR4ECT0-SO-2666
  • Brand: NEMIX RAM
  • Series: NEMIX RAM Original Series Memory
  • Capacity: 16GB
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: MSE21300-628K1-RAM-16GDR4ECT0-SO-2666
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  • $157.26 
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Dell SNPPR5D1C/32G 32GB DDR4 SDRAM Memory Module
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DELL
Dell SNPPR5D1C/32G 32GB DDR4 SDRAM Memory Module
  • Voltage: 1.20V
  • Type: 288-Pin DDR4 SDRAM
  • Model #: SNPPR5D1C/32G
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  • $229.00 
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Kingston 2GB 240-Pin DDR3 SDRAM DDR3 1333 System Specific Memory for HP/Compaq Model KTH9600B/2G
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Kingston 2GB 240-Pin DDR3 SDRAM DDR3 1333 System Specific Memory for HP/Compaq Model KTH9600B/2G
  • Compatible System: HP/Compaq
  • Type: 240-Pin DDR3 SDRAM
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: KTH9600B/2G
  • $29.41
  •  
  • $19.45 
  • Save: 33%
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Hynix HMCG88MEBRA Memory 32GB DDR5 4800MHz DIMM - MEM-DR532L-HL01-ER48
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  • $1,044.96 
Kingston 512MB 184-Pin DDR SDRAM DDR 266 (PC 2100) Unbuffered System Specific Memory for HP/Compaq Model KTC-PR266/512
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Kingston 512MB 184-Pin DDR SDRAM DDR 266 (PC 2100) Unbuffered System Specific Memory for HP/Compaq Model KTC-PR266/512
  • Compatible System: HP/Compaq
  • Type: 184-Pin DDR SDRAM
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: KTC-PR266/512
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  • $22.99 
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SAMSUNG 32GB DDR3L 1600 (PC3 12800) Server Memory Model M386B4G70DM0-YK0
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SAMSUNG
SAMSUNG 32GB DDR3L 1600 (PC3 12800) Server Memory Model M386B4G70DM0-YK0
  • CAS Latency: CL11
  • Voltage: 1.35V
  • Model #: M386B4G70DM0-YK0
NEMIX RAM 8GB (2X4GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM KIT Compatible with Apple MacBook Pro 2012 9,1 9,2
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NEMIX RAM 8GB (2X4GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM KIT Compatible with Apple MacBook Pro 2012 9,1 9,2
  • Brand: NEMIX RAM
  • Series: Apple iMac/Mac Mini Compatible Series Memory
  • Capacity: 8GB (2 x 4GB)
  • Speed: DDR3 1600 (PC3 12800)
  • Model #: MS12800-428K2-XM50
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  • $58.95 
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NEMIX RAM 32GB (2X16GB) DDR42666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC SODIMM KIT Compatible with ASUS Laptop PC PC Memory
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NEMIX RAM 32GB (2X16GB) DDR42666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC SODIMM KIT Compatible with ASUS Laptop PC PC Memory
  • Brand: NEMIX RAM
  • Series: ASUS Laptop, AIO All-in-One PC Compatible Series Memory
  • Capacity: 32GB (2 x 16GB)
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: MS21300-628K2-AS28
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  • $185.88 
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NEMIX RAM 32GB (4X8GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM KIT Compatible with Apple iMac Retina 27" Late 2014 & Mid 2015
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NEMIX RAM 32GB (4X8GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM KIT Compatible with Apple iMac Retina 27" Late 2014 & Mid 2015
  • Brand: NEMIX RAM
  • Series: Apple iMac/Mac Mini Compatible Series Memory
  • Capacity: 4GB
  • Speed: DDR3 1600 (PC3 12800)
  • Model #: MS12800-828K4-AI143
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  • $87.89 
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NEMIX RAM 8GB (2X4GB) DDR3 1866MHZ PC3-14900 2Rx8 1.35V 204-PIN Non-ECC SODIMM Laptop Memory KIT Compatible with Apple iMac Late 2015 17,1 Retina 27"
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NEMIX RAM 8GB (2X4GB) DDR3 1866MHZ PC3-14900 2Rx8 1.35V 204-PIN Non-ECC SODIMM Laptop Memory KIT Compatible with Apple iMac Late 2015 17,1 Retina 27"
  • Brand: NEMIX RAM
  • Series: Apple iMac/Mac Mini Compatible Series Memory
  • Capacity: 8GB (2 x 4GB)
  • Speed: DDR3 1866 (PC3 14900)
  • Model #: MS14900-428LK2/AI13
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  • $58.95 
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NEMIX RAM 8GB (2X4GB) DDR3 1866MHZ PC3-14900 2Rx8 1.35V 204-PIN Non-ECC SODIMM Laptop Memory KIT Compatible with Apple iMac Late 2015 17,1 Retina 27"
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NEMIX RAM 8GB (2X4GB) DDR3 1866MHZ PC3-14900 2Rx8 1.35V 204-PIN Non-ECC SODIMM Laptop Memory KIT Compatible with Apple iMac Late 2015 17,1 Retina 27"
  • Brand: NEMIX RAM
  • Series: Apple iMac/Mac Mini Compatible Series Memory
  • Capacity: 8GB (2 x 4GB)
  • Speed: DDR3 1866 (PC3 14900)
  • Model #: MS14900-428LK2-NMA12
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  • $58.95 
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NEMIX RAM 4GB (1X4GB) DDR3 1866MHZ PC3-14900 2Rx8 1.35V 204-PIN Non-ECC SODIMM Laptop Memory KIT Compatible with Apple iMac Late 2015 17,1 Retina 27"
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NEMIX RAM 4GB (1X4GB) DDR3 1866MHZ PC3-14900 2Rx8 1.35V 204-PIN Non-ECC SODIMM Laptop Memory KIT Compatible with Apple iMac Late 2015 17,1 Retina 27"
  • Brand: NEMIX RAM
  • Series: Apple iMac/Mac Mini Compatible Series Memory
  • Capacity: 4GB
  • Speed: DDR3 1866 (PC3 14900)
  • Model #: MS14900-428LK1/AI13
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  • $29.99 
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SAMSUNG M378B5173Cb0-Ck0  Memory For Desktop Memory-M378B5173Cb0-Ck0
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Kingston 2GB DDR2 800 (PC2 6400) ECC Low Power System Specific Memory Model KTD-DM8400C6E/2G
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Kingston 2GB DDR2 800 (PC2 6400) ECC Low Power System Specific Memory Model KTD-DM8400C6E/2G
  • Voltage: 1.80V
  • CAS Latency: CL6
  • Type: 240-Pin DDR2 SDRAM
  • Parts: Lifetime limited
  • Model #: KTD-DM8400C6E/2G
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  • $29.00 
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Kingston 4GB DDR2 800 (PC2 6400) ECC System Specific Memory Model KTH-XW4400E6/4G
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Kingston 4GB DDR2 800 (PC2 6400) ECC System Specific Memory Model KTH-XW4400E6/4G
  • Compatible System: HP ProLiant Server: - DL120 G5 - DL320 G5p - ML110 G5 - ML115 G5 - ML310 G5 - L310 G5p HP Workstation: - xw4600 - xw4600 / CT
  • CAS Latency: CL6
  • Type: 240-Pin DDR2 SDRAM
  • Parts: Lifetime limited
  • Model #: KTH-XW4400E6/4G
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  • $99.99 
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Kingston 256MB 168-Pin SDRAM PC 133 Unbuffered System Specific Memory For Dell Model KTD-GX150/256
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Kingston 256MB 168-Pin SDRAM PC 133 Unbuffered System Specific Memory For Dell Model KTD-GX150/256
  • Voltage: 3.30V
  • Compatible System: Dell
  • Parts: Lifetime
  • Labor: Lifetime
  • Model #: KTD-GX150/256
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  • $24.95 
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NEMIX RAM 32GB (1X32GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM Memory Compatible with QNAP RAM-32GDR4ECK0-UD-3200, RAM-32GDR4ECK1-UD-3200, RAM-32GDR4ECT0-UD-3200
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NEMIX RAM 32GB (1X32GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM Memory Compatible with QNAP RAM-32GDR4ECK0-UD-3200, RAM-32GDR4ECK1-UD-3200, RAM-32GDR4ECT0-UD-3200
  • Brand: NEMIX RAM
  • Series: NEMIX RAM Original Series Memory
  • Capacity: 32GB
  • Speed: DDR4 3200 (PC4 25600)
  • Model #: ME25600-328K1-RAM-32GDR4ECXX-UD-3200
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  • $298.88 
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Kingston 8GB DDR3 1333 ECC Registered Server Memory Model KVR1333D3D4R9S/8G
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Kingston 8GB DDR3 1333 ECC Registered Server Memory Model KVR1333D3D4R9S/8G
  • Voltage: 1.50V
  • CAS Latency: CL9
  • Type: 240-Pin DDR3 SDRAM
  • Parts: Lifetime limited
  • Model #: KVR1333D3D4R9S/8G
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  • $29.99 
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SAMSUNG 8GB 1RX4 PC4-2133P  M393A1G40DB0-CPB0Q MEMORY MODULE
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SAMSUNG
SAMSUNG 8GB 1RX4 PC4-2133P M393A1G40DB0-CPB0Q MEMORY MODULE
  • Voltage: 1.20V
  • Compatible System: M393A1G40DB0-CPB
  • CAS Latency: CL15
  • Type: 288-Pin DDR4 SDRAM
  • Model #: M393A1G40DB0-CPB-110
NEMIX RAM 4GB (1X4GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM Compatible with Apple 2012 Mac Mini 6,1 6,2
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NEMIX RAM 4GB (1X4GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM Compatible with Apple 2012 Mac Mini 6,1 6,2
  • Brand: NEMIX RAM
  • Series: Apple iMac/Mac Mini Compatible Series Memory
  • Capacity: 4GB
  • Speed: DDR3 1600 (PC3 12800)
  • Model #: MS12800-428LK1-N
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  • $29.99 
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Kingston 16GB (1 x 16GB) DDR4 2133 RAM (System Specific Memory) ECC DIMM (288-Pin) KTL-TS421E/16G (select Lenovo)
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Kingston 16GB (1 x 16GB) DDR4 2133 RAM (System Specific Memory) ECC DIMM (288-Pin) KTL-TS421E/16G (select Lenovo)
  • Compatible System: Lenovo - ThinkServer TS150 Lenovo - ThinkServer TS450 Lenovo - ThinkStation P310 (SFF/Tower)
  • Type: 288-Pin DDR4 SDRAM
  • Model #: KTL-TS421E/16G
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  • $189.00 
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NEMIX RAM 8GB (1X8GB) DDR3 1866MHZ PC3-14900 2Rx8 1.35V 204-PIN Non-ECC SODIMM Compatible with Apple iMac Late 2015 17,1 Retina 27"
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NEMIX RAM 8GB (1X8GB) DDR3 1866MHZ PC3-14900 2Rx8 1.35V 204-PIN Non-ECC SODIMM Compatible with Apple iMac Late 2015 17,1 Retina 27"
  • Brand: NEMIX RAM
  • Series: Apple iMac/Mac Mini Compatible Series Memory
  • Capacity: 8GB
  • Speed: DDR3 1866 (PC3 14900)
  • Model #: MS14900-828LK1/AI13
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  • $24.88 
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Kingston 16GB (2 x 8GB) 240-Pin DDR2 SDRAM DDR2 667 ECC Registered System Specific Memory Model KTH-XW9400K2/16G
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Kingston 16GB (2 x 8GB) 240-Pin DDR2 SDRAM DDR2 667 ECC Registered System Specific Memory Model KTH-XW9400K2/16G
  • Voltage: 1.80V
  • Compatible System: HP/Compaq
  • Type: 240-Pin DDR2 SDRAM
  • Rank: 2Rx4
  • Model #: KTH-XW9400K2/16G
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  • $67.89 
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NEMIX RAM 32GB (1X32GB) DDR4 3200MHZ PC4-25600 2Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory Compatible with HPE P07646-B21
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NEMIX RAM 32GB (1X32GB) DDR4 3200MHZ PC4-25600 2Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory Compatible with HPE P07646-B21
  • Brand: NEMIX RAM
  • Series: HPE Server/Workstation Compatible Series Memory
  • Capacity: 32GB
  • Speed: DDR4 3200 (PC4 25600)
  • Model #: 0759170868063
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  • $377.00 
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NEMIX RAM 4GB (1X4GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM Compatible with Apple MacBook Pro 2012 - Late 2016 Non-Retina
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NEMIX RAM 4GB (1X4GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM Compatible with Apple MacBook Pro 2012 - Late 2016 Non-Retina
  • Brand: NEMIX RAM
  • Series: Apple iMac/Mac Mini Compatible Series Memory
  • Capacity: 4GB
  • Speed: DDR3 1600 (PC3 12800)
  • Model #: MS12800-428LK1-NMA68
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  • $29.99 
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Kingston ValueRAM 1GB DDR 333 (PC 2700) ECC Registered System Memory Model KVR333X72RC25/1g
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Kingston ValueRAM 1GB DDR 333 (PC 2700) ECC Registered System Memory Model KVR333X72RC25/1g
  • Voltage: 2.50V
  • CAS Latency: CL2.5
  • Type: 184-Pin DDR SDRAM
  • Parts: Lifetime
  • Model #: KVR333X72RC25/1G
  •  
  • $39.00 
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NEMIX RAM 8GB (2X4GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM KIT Compatible with Apple iMac Late 2012 - Mid 2015
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NEMIX RAM 8GB (2X4GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM KIT Compatible with Apple iMac Late 2012 - Mid 2015
  • Brand: NEMIX RAM
  • Series: Apple iMac/Mac Mini Compatible Series Memory
  • Capacity: 8GB (2 x 4GB)
  • Speed: DDR3 1600 (PC3 12800)
  • Model #: MS12800-428K2-AI177
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  • $58.95 
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Kingston 16GB 240-Pin DDR3 SDRAM ECC Registered DDR3 1866 (PC3 14900) System Specific Memory Model KTD-PE318/16G
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Kingston 16GB 240-Pin DDR3 SDRAM ECC Registered DDR3 1866 (PC3 14900) System Specific Memory Model KTD-PE318/16G
  • Compatible System: Dell
  • CAS Latency: CL13
  • Type: 240-Pin DDR3 SDRAM
  • Model #: KTD-PE318/16G.
  • $79.99
  •  
  • $49.99 
  • Save: 37%
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System-specific memory has a significant effect on your device's performance. Memory is also called Random Access Memory (RAM), and selecting the correct type is important, as it needs to match the specifications of your device. The Double Data Rate (DDR) generation, for example, needs to match your motherboard. DDR 2 is what older computers use, and DDR 3 goes with motherboards created after 2007, with the latest motherboards being designed to work with DDR 4. Determine how much RAM you can install by checking your operating system. If you are using Windows®, it will vary between the 32-bit version, which can handle 4GB of RAM at most, and the 64-bit version, which can handle up to 3TB of RAM. Also check to see if the version is Pro or Home. When choosing system-specific RAM, first double-check the specifications of both your motherboard and your operating system.

Run Programs, Applications, and Games Efficiently With System-Specific Memory

Reduce latency and prevent programs from crashing due to overload with sufficient system-specific memory. Gamers need a minimum of 8GB of RAM, and creative professionals require at least 16GB to run programs that use a lot of processing power. RAM modules are available from as little as 128MB up to 64GB. The number of RAM modules you can purchase depends on how many Dual In-Line Memory Module (DIMM) slots your motherboard has. Bear in mind that smaller motherboards (mITX- Mini-ITX and mATX- Micro-ATX) only have two slots, whereas the larger ATX and Extended-ATX (eATX) models have four or more. Get around limited space issues by purchasing a RAM module with a higher amount of memory. DIMM is specifically designed for use as desktop RAM, as these modules fit into the available slots of a desktop computer.

Speed Up Your Laptop and Run More Applications at Once With RAM

Upgrade your laptop by increasing the amount of RAM. Small Outline Dual Inline Memory Module (SO-DIMM) options are the correct choice for laptop RAM. SO-DIMM slots accommodate the smaller and slimmer case of laptops. As with a desktop, check what your operating system and motherboard can handle. Use Unbuffered Non-Error Correction Code memory, abbreviated as unbuffered non-ECC registered RAM and also known as Static RAM (SRAM), for personal computers and laptops for work, entertainment, or gaming purposes. This type of RAM is faster, which is especially important for gamers and creative professionals.

Keep Your Server Processing and Data Safe With RAM

Because servers run constantly and process so much data, it is best to purchase dedicated server memory. Unlike desktop computers and laptops, servers require ECC registered RAM, also known as Dynamic Random Access Memory or DRAM. ECC registered memory finds errors and corrects them, which helps prevent data corruption without needing manual input. This lets your servers transfer data faster, keeps your data safe and places a smaller electrical load on your computer without requiring input from the user.

Bestselling System Specific Memory Reviews:

Anonymous
3/16/2026 6:03:37 PM
The memory is good

“ The memory is good, shipping was fast, and delivery was quick. ”

A-Tech 64GB Kit (2x32GB) RAM for Apple iMac (2019, 2020), Mac mini (Late 2018, Early 2020) | DDR4 2666MHz PC4-21300 SODIMM 260-Pin Memory Upgrade
Anonymous
2/6/2026 9:23:17 PM
Reliable SK Hynix-Based ECC Memory for Professional Workstations

“ A solid, dependable 64GB memory kit built with quality SK Hynix chips. ”

NEMIX RAM 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Micron KSM48R40BS8KMM-16HMR
Ej
4/11/2023 7:54:10 AM
For older laptop

“ The existing 4GB memory was causing too much hard disk paging. ”

Crucial 8GB Kit (2 x 4GB) DDR3L 1600 MT/s (PC3L-12800) SODIMM 204-Pin 1.35V Laptop Memory - CT2KIT51264BF160B
Anonymous
4/1/2023 8:32:49 AM
Crucial - 4GB DDR3 1600 MHz

“ Decided to finally max out my laptop's memory after Microsoft released W10-22H2. ”

Crucial - DDR3 - 4 GB - SO-DIMM 204-pin - 1600 MHz / PC3-12800 - CL11 - 1.35 V - unbuffered - non-ECC - for Apple iMac 2