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OWC 16GB DDR4 2666MHz PC4-21300 CL19 1.2V 288-Pin Non-ECC UDIMM Memory RAM Compatible with Hp Omen X 900-200Nd 900-200Nf 900-201La 900-201Ng 900-201Nl
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OWC 16GB DDR4 2666MHz PC4-21300 CL19 1.2V 288-Pin Non-ECC UDIMM Memory RAM Compatible with Hp Omen X 900-200Nd 900-200Nf 900-201La 900-201Ng 900-201Nl
  • Voltage: 1.2V
  • Compatible System: HP OMEN X 900-200nd HP OMEN X 900-200nf HP OMEN X 900-201la HP OMEN X 900-201ng HP OMEN X 900-201nl
  • CAS Latency: CL19
  • Part Number: 2U6D42R816GB
  • Model #: OWC2U6D42R816GB-AEJ
  •  
  • $120.99 
OWC 128GB (2x64GB) DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Kit Compatible with PowerEdge R760xd2
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OWC 128GB (2x64GB) DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade Kit Compatible with PowerEdge R760xd2
  • Brand: OWC
  • Capacity: 128GB (2 x 64GB)
  • Speed: DDR5 4800 (PC5 38400)
  • ECC: Yes
  • Model #: OWC4R8D52R4128P-C071-SF
  •  
  • $3,581.98 
Black Diamond Memory 32GB 288-Pin DDR4 SDRAM DDR4 2133 (PC4 17000) ECC Registered System Specific Memory Model BD32G2133MQR26DE
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  • $283.99 
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Black Diamond Memory 16GB DDR4 2133 (PC4 17000) ECC Registered System Specific Memory Model BD16G2133MQR26DE
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Black Diamond Memory 16GB DDR4 2133 (PC4 17000) ECC Registered System Specific Memory Model BD16G2133MQR26DE
  • Voltage: 1.20V
  • Compatible System: Dell
  • CAS Latency: CL15
  • Type: 288-Pin DDR4 SDRAM
  • Model #: BD16G2133MQR26DE
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  • $174.99 
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Crucial 8GB DDR3 1600 (PC3 12800) Unbuffered Memory for Apple Model CT8G3S160BM
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Crucial 8GB DDR3 1600 (PC3 12800) Unbuffered Memory for Apple Model CT8G3S160BM
  • Type: 204-Pin DDR3 SO-DIMM
  • Compatibility: For Apple Notebook
  • CAS Latency: 11
  • Voltage: 1.35V/1.5V
  • Model #: CT8G3S160BM
Crucial 4GB DDR3 1333 (PC3 10600) Memory for Apple Model CT4G3S1339M
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Crucial 4GB DDR3 1333 (PC3 10600) Memory for Apple Model CT4G3S1339M
  • Type: 204-Pin DDR3 SO-DIMM
  • Compatibility: For Apple Notebook
  • CAS Latency: 9
  • Voltage: 1.35V/1.5V
  • Model #: CT4G3S1339M
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  • $19.99 
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Black Diamond Memory 8GB DDR4 3200 (PC4 25600) Unbuffered System Specific Memory Model BD8G3200MQ22
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Black Diamond Memory 8GB DDR4 3200 (PC4 25600) Unbuffered System Specific Memory Model BD8G3200MQ22
  • Voltage: 1.20V
  • Compatible System: Dell, HP, Lenovo, Acer, Asus, MSI, Gigabytes
  • CAS Latency: CL21
  • Type: 288-Pin DDR4 SDRAM
  • Model #: BD8G3200MQ22
  •  
  • $96.99 
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Black Diamond 8GB DDR5 5200 SODIMM Memory 262-Pin (1Rx8)  BD8G5200MCN28
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Black Diamond 8GB DDR5 5200 SODIMM Memory 262-Pin (1Rx8) BD8G5200MCN28
  • Part Number: BD8G5200MCN28
  • Type: 262-Pin DDR5 SO-DIMM
  • Model #: BD8G5200MCN28
  •  
  • $140.99 
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Black Diamond Memory 8GB DDR4 3200 (PC4 25600) ECC Registered System Specific Memory Model BD8G3200MQR26
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Black Diamond Memory 8GB DDR4 3200 (PC4 25600) ECC Registered System Specific Memory Model BD8G3200MQR26
  • Voltage: 1.20V
  • Compatible System: Dell PowerEdge, HP Proliant, Lenovo, Supermicro, IBM
  • CAS Latency: CL21
  • Type: 288-Pin DDR4 SDRAM
  • Model #: BD8G3200MQR26
  •  
  • $115.99 
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Black Diamond Memory 32GB DDR4 3200 (PC4 25600) ECC Registered System Specific Memory Model BD32G3200MQR29
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Black Diamond Memory 32GB DDR4 3200 (PC4 25600) ECC Registered System Specific Memory Model BD32G3200MQR29
  • Voltage: 1.20V
  • Compatible System: Dell PowerEdge, HP Proliant, Lenovo, Supermicro ,IBM
  • CAS Latency: CL21
  • Type: 288-Pin DDR4 SDRAM
  • Model #: BD32G3200MQR29
  •  
  • $396.99 
  • Free Shipping
HP - DDR3 - 1 GB - SO-DIMM 144-pin - 800 MHz / PC3-6400 - unbuffered - non-ECC 1 GB DDR3 Memory
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HP
HP - DDR3 - 1 GB - SO-DIMM 144-pin - 800 MHz / PC3-6400 - unbuffered - non-ECC 1 GB DDR3 Memory
  • Part Number: E5K48A
  • Features: HP 1 GB x32 144-pin (800 MHz)DDR3 SODIMM
  • Model #: E5K48A
Dell 16GB 288-Pin DDR4 SDRAM DDR4 2666 (PC4 21300) ECC Registered System Specific Memory Model AA940922
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Black Diamond 32GB (2Rx8) DDR5 5200 ECC REG Memory  BD32G5200MCR28
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Black Diamond 32GB (2Rx8) DDR5 5200 ECC REG Memory BD32G5200MCR28
  • Part Number: BD32G5200MCR28
  • Model #: BD32G5200MCR28
  •  
  • $890.99 
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Black Diamond Memory 16GB DDR4 3200 (PC4 25600) ECC Registered System Specific Memory Model BD16G3200MQR26
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Black Diamond Memory 16GB DDR4 3200 (PC4 25600) ECC Registered System Specific Memory Model BD16G3200MQR26
  • Voltage: 1.20V
  • Compatible System: Dell PowerEdge, HP Proliant, Lenovo Supermicro, IBM
  • CAS Latency: CL21
  • Type: 288-Pin DDR4 SDRAM
  • Model #: BD16G3200MQR26
  •  
  • $257.99 
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Black Diamond 8GB DDR5 4800 SODIMM Memory - 262-pin  BD8G4800MCN28
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Black Diamond 8GB DDR5 4800 SODIMM Memory - 262-pin BD8G4800MCN28
  • Part Number: BD8G4800MCN28
  • Type: 262-pin DDR5 SO-DIMM
  • Model #: BD8G4800MCN28
  •  
  • $119.99 
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Kingston 8GB 204-Pin DDR3 SO-DIMM DDR3 1600 Laptop Memory Model KVR16S11/8
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Kingston 8GB 204-Pin DDR3 SO-DIMM DDR3 1600 Laptop Memory Model KVR16S11/8
  • CAS Latency: CL11
  • Voltage: 1.50V
  • Features: Memory Size: 8 GBMemory Technology: DDR3 SDRAMMemory Voltage: 1.50 VNumber of Modules: 1 x 8 GBMemory Speed: 1600 MHzMemory Standard: DDR3-1600/PC3-12800Error Checking: Non-ECCSignal Processing: UnbufferedCAS Latency: CL11Number of Pins: 204-pinForm Factor: SoDIMMCompatibility: Alienware-M11x(2nd-Gen Corei5/ i7)NotebookAlienware-M17x(2nd-Gen Corei7)NotebookAlienware-M17xR3NotebookAlienware-M18XR2NotebookMSI-Motherboard IM-QM67(MS-9887)MSI-Notebook GT60 0NCMSI-Notebook GT70 0NCZOTAC-Motherboard Z68-ITX WiFi Supreme
  • Model #: KVR16S11/8
Black Diamond Memory 16GB (2 x 8GB) DDR5 6400 288-pin Memory  BD16G6400MC28
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  • $390.99 
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HPE 16GB Registered DDR4 2933 (PC4 23400) Server Memory Model P00922-B21
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HPE 16GB Registered DDR4 2933 (PC4 23400) Server Memory Model P00922-B21
  • CAS Latency: CL21
  • Timing: 21-21-21
  • Rank: 2Rx8
  • Model #: P00922-B21
Kingston 8GB DDR3 1600 (PC3 12800) Unbuffered System Specific Memory Model KTL-TP3C/8G
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Kingston 8GB DDR3 1600 (PC3 12800) Unbuffered System Specific Memory Model KTL-TP3C/8G
  • Voltage: 1.50V
  • Compatible System: Lenovo
  • CAS Latency: CL11
  • Type: 204-Pin DDR3 SO-DIMM
  • Model #: KTL-TP3C/8G
  • $29.99
  •  
  • $24.85 
  • Save: 17%
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Kingston 8GB DDR3 1600 (PC12800) SODIMM System Specific Memory for Dell Model  KTD-L3C/8G
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Kingston 8GB DDR3 1600 (PC12800) SODIMM System Specific Memory for Dell Model KTD-L3C/8G
  • Voltage: 1.50V
  • Compatible System: Dell
  • CAS Latency: CL11
  • Type: 204-Pin DDR3 SO-DIMM
  • Model #: KTD-L3C/8G
A-Tech 16GB Kit (2x8GB) RAM for Apple iMac (Late 2015) | DDR3 1866MHz PC3-14900 SODIMM 204-Pin Memory Upgrade
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A-Tech 16GB Kit (2x8GB) RAM for Apple iMac (Late 2015) | DDR3 1866MHz PC3-14900 SODIMM 204-Pin Memory Upgrade
  • Voltage: 1.35V
  • Compatible System: Apple Mac Systems
  • Rank: 2Rx8
  • Parts: Lifetime
  • Model #: NE-MAC-0049
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  • $59.67 
Kingston 16GB 240-Pin DDR3 SDRAM DDR3 1333 ECC Registered System Specific Memory  Low Voltage Module Model KTH-PL313LV/16G
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Kingston 16GB 240-Pin DDR3 SDRAM DDR3 1333 ECC Registered System Specific Memory Low Voltage Module Model KTH-PL313LV/16G
  • Voltage: 1.35V
  • Compatible System: HP/Compaq
  • Type: 240-Pin DDR3 SDRAM
  • Rank: 2Rx4
  • Model #: KTH-PL313LV/16G
  •  
  • $59.99 
  • Free Shipping
Kingston ValueRAM 512MB DDR 400 (PC 3200) Desktop Memory Model KVR400X64C3A/512
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Kingston ValueRAM 512MB DDR 400 (PC 3200) Desktop Memory Model KVR400X64C3A/512
  • Voltage: 2.60V
  • CAS Latency: CL3
  • Type: 184-Pin DDR SDRAM
  • Parts: Lifetime limited
  • Model #: KVR400X64C3A/512
Kingston 8GB DDR3 1600 (PC3 12800) Unbuffered System Specific Memory Model KTD-XPS730C/8G
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Kingston 8GB DDR3 1600 (PC3 12800) Unbuffered System Specific Memory Model KTD-XPS730C/8G
  • Voltage: 1.50V
  • Compatible System: Dell
  • CAS Latency: CL11
  • Type: 240-Pin DDR3 SDRAM
  • Model #: KTD-XPS730C/8G
For Dell SNPTN78YC/32G A9781929 32 GB 288-Pin DDR4 ECC RDIMM Server RAM for PowerEdge R740xd2  by SAMSUNG Server Memory Model M393A4K40CB2-CTD
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SAMSUNG
For Dell SNPTN78YC/32G A9781929 32 GB 288-Pin DDR4 ECC RDIMM Server RAM for PowerEdge R740xd2 by SAMSUNG Server Memory Model M393A4K40CB2-CTD
  • Voltage: 1.20V
  • Compatible System: Dell
  • CAS Latency: CL19
  • Type: 288-Pin DDR4 SDRAM
  • Model #: SKU0318QDD001-56
  •  
  • $191.59 
A-Tech 16GB Kit (4x4GB) RAM for Apple iMac (Late 2009) | DDR3 1066MHz PC3-8500 SODIMM 204-Pin Memory Upgrade
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A-Tech 16GB Kit (4x4GB) RAM for Apple iMac (Late 2009) | DDR3 1066MHz PC3-8500 SODIMM 204-Pin Memory Upgrade
  • Voltage: 1.50V
  • Compatible System: Apple Mac Systems
  • Rank: 2Rx8
  • Parts: Lifetime
  • Model #: NE-MAC-0040
  •  
  • $77.46 
  • Free Shipping
HP E5K49A  2GB DDR3x32 144-Pin 800MHz SODIMM
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HP
HP E5K49A 2GB DDR3x32 144-Pin 800MHz SODIMM
  • Part Number: E5K49A
  • Model #: E5K49A
Kingston 4GB 240-Pin DDR2 SDRAM DDR2 400 (PC2 3200) ECC Registered System Specific Memory Model KTD-WS670/4G
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Kingston 4GB 240-Pin DDR2 SDRAM DDR2 400 (PC2 3200) ECC Registered System Specific Memory Model KTD-WS670/4G
  • Voltage: 1.80V
  • Compatible System: Dell
  • Type: 240-Pin DDR2 SDRAM
  • Parts: Lifetime limited
  • Model #: KTD-WS670/4G
  •  
  • $34.89 
  • Free Shipping
Kingston 8GB DDR3L 1600 (PC3L 12800) Unbuffered System Specific Memory Model KTH-X3CL/8G
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Kingston 8GB DDR3L 1600 (PC3L 12800) Unbuffered System Specific Memory Model KTH-X3CL/8G
  • Voltage: 1.35V
  • Compatible System: Compatibility: HP - Notebook - Pavilion 15, 17 HP - Notebook - ProBook 450, 455, 470
  • CAS Latency: CL11
  • Type: 204-Pin DDR3 SO-DIMM
  • Model #: KTH-X3CL/8G
NEMIX RAM 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V 262-PIN Non-ECC Unbuffered SODIMM Laptop PC Memory Compatible with Samsung M425R2GA3BB0-CQK
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NEMIX RAM 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V 262-PIN Non-ECC Unbuffered SODIMM Laptop PC Memory Compatible with Samsung M425R2GA3BB0-CQK
  • Voltage: 1.10V
  • Compatible System: Samsung
  • CAS Latency: CL40
  • Part Number: MS38400-618K1
  • Model #: MS38400-618-M425R2GA3BB0-CQK
  •  
  • $198.88 
Kingston 2GB DDR2 800 (PC2 6400) Unbuffered System Specific Memory for Dell Model KTD-DM8400C6/2G
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Kingston 2GB DDR2 800 (PC2 6400) Unbuffered System Specific Memory for Dell Model KTD-DM8400C6/2G
  • Voltage: 1.80V
  • Compatible System: Dell
  • CAS Latency: CL6
  • Type: 240-Pin DDR2 SDRAM
  • Model #: KTD-DM8400C6/2G
Kingston 8GB DDR3 1600 (PC3 12800) System Specific Memory Model KCP316ND8/8
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Kingston 8GB DDR3 1600 (PC3 12800) System Specific Memory Model KCP316ND8/8
  • Voltage: 1.50V
  • CAS Latency: CL11
  • Type: 240-Pin DDR3 SDRAM
  • Model #: KCP316ND8/8
A-Tech 8GB Kit (2x4GB) RAM for Apple iMac (Late 2015) | DDR3 1866MHz PC3-14900 SODIMM 204-Pin Memory Upgrade
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A-Tech 8GB Kit (2x4GB) RAM for Apple iMac (Late 2015) | DDR3 1866MHz PC3-14900 SODIMM 204-Pin Memory Upgrade
  • Voltage: 1.35V
  • Compatible System: Apple Mac Systems
  • Rank: 1Rx8
  • Parts: Lifetime
  • Model #: NE-MAC-0039
  •  
  • $48.41 
  • Free Shipping
A-Tech 32GB RAM for Apple Mac Pro (Late 2013, Cylinder) | DDR3 1333MHz PC3-10600 ECC RDIMM 240-Pin Memory Upgrade
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A-Tech 32GB RAM for Apple Mac Pro (Late 2013, Cylinder) | DDR3 1333MHz PC3-10600 ECC RDIMM 240-Pin Memory Upgrade
  • Voltage: 1.50V
  • Compatible System: Apple Mac Systems
  • Parts: Lifetime
  • Labor: Lifetime
  • Model #: NE-MAC-0197
  •  
  • $82.01 
A-Tech 1GB RAM for Apple MacBook (Mid 2009), iMac (Early 2008) | DDR2 800MHz PC2-6400 SODIMM 200-Pin Memory Upgrade
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A-Tech 1GB RAM for Apple MacBook (Mid 2009), iMac (Early 2008) | DDR2 800MHz PC2-6400 SODIMM 200-Pin Memory Upgrade
  • Voltage: 1.80V
  • Compatible System: Apple Mac Systems
  • Parts: Lifetime
  • Labor: Lifetime
  • Model #: NE-MAC-0005
  •  
  • $14.99 
  • Free Shipping

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

“ - Uses genuine SK Hynix memory chips - a top-tier manufacturer known for quality and reliability ”

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
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
Anonymous
2/23/2023 7:38:14 AM
Very pleased

“ Show up in system info as two 8GB sticks for 16GB. ”

Crucial 16GB (2 x 8GB) DDR3 1600 (PC3 12800) Unbuffered Memory for Mac Model CT2K8G3S160BM